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Showing posts with label answer SEO questions. Show all posts
Showing posts with label answer SEO questions. Show all posts

Monday, December 3, 2012

SEO Buzzwords - don't get sucked into the hype

I am asked often by people wanting to get into the SEO business where to get training. There are a lot of online resources available; articles, blog posts, videos, and even downloadable presentations. It's difficult to know what to believe, who to pay attention to, and what will work for any particular website. Most experienced SEO's will tell you to learn as much as you can and then simply start optimizing and learning from trial and error. But who has the time? Let alone wanting to risk a website losing rankings or, even worse, getting banned for using the wrong techniques? This industry is very fickle and is always changing - what may work for one website, may not work for another, and what that big company that dictates how we should be doing our job changes it's mind often.

I have sat back and watched how the industry began, has grown, and developed throughout the years. On one hand it's been fun to be a part of something big that started from one company's idea and development that turned out an entire industry as a result.  On the other had, because it is still a very young industry, and that industry is dictated by the company that sparked it, we are all still developing standards, strategies, and learning every day.  In fact, just the other day I saw a post on Facebook for a workshop on how to use the Google Disavow Tool. It scares me to see SEO's already taking advantage of a strategy that is to not be taken lightly and making money off of "teaching" people on how to do it themselves. It's like a surgeon trying to teach a child how to patch up a kidney. Any seriously wrong move and the patient could die, and any slightly overlooked part of the process then the kidney could fail over time not knowing if it was the surgery or that the patient drinks vodka all day long.

In trying to learn and keep up with the latest in this capricious industry we often find ourselves having to look-up and research what the "experts" are talking about - those SEO buzzwords - coming across contradicting opinions, and quite frequently second guessing ourselves (even the highly experienced SEO experts second guess themselves). I have too often seen people trying to do what they think is right, and completely messing up their own site, and even client's websites because of all of the hype and misinformation out there.

The truth is that it is all viable, it's all in how you approach it. Of course, hearing that probably doesn't help, so the following are some of the most common strategies and some SEO buzzwords and hopefully clear up any confusion you might have. 

Link Building


Yeah, I started with the most common, yet most controversial buzzword of all. The term "Link Building" began with the birth of the almighty Google itself. What was a very simple and quick way to get rankings for a website for the most popular search engine, is slowly becoming an art-form within itself. The basic idea is that a link from one site pointing to another site is counted as a "vote". The more links pointing from other sites to one site the more votes, and thus higher rankings. With such an easy strategy to implement, and the growing popularity of the search engine that uses the algorithm, more and more spammers began to take advantage. By offering website owners to pay money fro a link pointing to a website (a.k.a. purchasing links), asking a website to link to a site in exchange for a link back (a.k.a.link exchanging), submitting a website to directories (a.k.a. directory submissions), commenting on blog posts (a.k.a. commenting), and even submitting articles with links in them to article distribution sites - all of these means of obtaining links tricked the search engines into ranking websites that might not have otherwise deserved the positions they were given.  In December of 2007 Google began cracking down on such strategies not only with increasingly new algorithms that catch sites that might be purchasing links, but by allowing webmasters to report one another manually. In the years since, we have seen a dramatic increase in the quality of the websites appearing in search results as a result.


SEO Buzzwords from Link Building:

Text Links
Links that point a page that contain a descriptive keyword or phrase. Many SEO's have used this strategy in the past because they give a context and a relevance to a link. This means that the search engines can read and index a page with all the text links and assign a ranking based on the quality if the content, the links and the destination of the links.

With Google's latest updates, the search engine no longer looks at the text within the link itself, but rather the words and relevance around the link. By recognizing that a page on a dog breed website with a link to a pet related website contains terms like "puppy", "hound", "paws", and other pet related terms that the dog site pointing to the pet site is, in fact, related. What I have seen in the past is a automotive website with an article on candy that contains one text link for "chocolate bon bons" and points to a chocolate website just isn't going to count (believe me, I've seen it). In fact, it will hurt the website's rankings.

Link Bait
The idea behind ‘link bait’ is to encourage people to bookmark or link to your website from theirs. Personal blogs, social media sites, and other communities will usually link to a site if the site offers something useful. Because of this, the search engines place a high value on the link.The best way to obtain these types of links is to write articles or white papers, a very valuable blog posting, or any sort of information your audience will find relevant. The more they share, the better the website ranks. The trick is to not force it - don't go out hiring people to share your posts, just let them happen naturally.

Link Juice
The ‘search equity’ that is passed to one page from another is called "link juice". The more relevant a page is, how often it has been shared, and how many times it is visited places a high value from the search engines. From that page (or website) the pages that link from it will also gain extra value because the original content is deemed useful to users.

Internal Linking
Almost self explanatory, most individuals tend to overlook the importance of linking within their own website. In fact, in most cases, the link to a page from a homepage can be just as valuable, if not more, than an external link. This, of course, does not mean that you should go adding a link to every page of your website from your homepage; nor does it mean you should link to a few pages, then rotate them, so that every page gets a chance at a high vote. What it means is that the pages that are most relevant to your users and make the most sense to continue from the homepage to, are the ones you should link to, and are the second most valuable pages (next to your homepage) that the search engines will rank.

Taxonomy
Categorizing a website with a hierarchy and linking to one another internally is one of the best ways to show the search engines which pages are most important, and where they should rank. If a website is about cupcakes and selling supplies, the site should be organized by types of cupcakes (perhaps flavors) and then categories of supplies. Then place pages within that category that make sense. From there, pages should link to one another where relevant to show the search engines that this is X category and a set of pages, and this is Y category with a set of pages.

Internal Optimization


Often overlooked by agencies simply due to the fact that so many clients will hire an agency to "optimize" their site only to tell them in the end that they don't have the resources to make the suggested changes, or that they simply just can't make changes (whether it be because of design, usability, business reasons, etc).  Unfortunately this leaves agencies in the predicament that they have to please the client and do what they were hired to do (which is to get the website rankings and increase traffic) but left with no other choice but to start link building. But a good SEO knows that internal optimization is really the heart and soul into obtaining legitimate rankings that will stick throughout all of the spam algorithm updates like Panda and Penguin. Below is a quick list and brief explanations for internal optimization.

Metatags


Title Tag - This often shows up as the title in your search engine result. The title tag should never be more than 70 characters, and should only contain your most broad term that describes your website.

Description Tag - The description tag will often appear in the search result as the description text if the key term searched is within the tag. If not, then the search engine will pull from the content on the page itself where the key term is located. If a page on your site is specific to a certain term, then this is a good time to get that term within the description.

Keyword Tag - The keyword meta tag was once the main source of how search engines determined what site would show up for what search. Now it isn't as relevant, but is still used by some meta crawler search engines (not Google - but Excite, and often Bing). List out a few of your target terms for the page you are optimizing to help you focus on what you want the page to rank for, and just in case a search engine is paying attention.

Content


Keyword density in document text - simply put, search engines look at how often a term shows up within the content of a page. If a word is mentioned 10 times within 300 words on a page, then the page won't get very good rankings. If a word is mentioned 10 times within 1200 words and spread out once or perhaps twice in a paragraph or two, then that page is more likely to rank better. A quick way to check densities is to put the content of a page within Microsoft Word, do a search within the document (Find), type in the word, and click "Highlight All". it's a great visual to see where a term is placed.

Content around the anchor text - As mentioned earlier, the words and context around an internal link is representative of the relevance of that page. The more a page will have of terms similar in context to the term you are optimizing for, the better.

Unique content - Any content borrowed, rented, or just stolen is considered a felony in the SEO world. There are algorithms in place that look for not only content within a site that exists elsewhere on a site, but content that exists on other sites as well. A quick way to check to see if your site has unique content is by searching on copyscape.com. Content that you have on yoru site that exists on other pages (or every page) will simply just not get counted (sort of just overlooked by the search engine), so any key terms within duplicate content on your site won't count. Duplicate content outside of your website is another story. If a website has content that you have copied (in other words, they had it first) then your site will get penalized. If your site had content first, and then someone copied you, then they would get penalized.

Frequency of content change - Search engines don't know the difference between a blog, a new publication, or a brochure-ware site that remains static. The best way they have developed to recognize a cutting edge news site and a static site, is how often new content is generated. The more often a new page is created with a robust amount of text, the more the search engine will come back and index, and therefore the higher the priority those new pages will get. If your site is something that is updated often, and is generating new content regularly, then the search engines will adjust accordingly. If your site is static, then don't worry, let it be, and the age of the pages will determine where they belong in the world of rankings (mentioned later).

Anchor text has key term(s) in links - What was a solid strategy of obtaining rankings for key terms in the past, is now less relevant, and even considered bad SEO. It's more about keyword "essence" and the relevance of the terms around the anchor text, than the anchor text itself (as mentioned above). Some of the more experienced SEO's are even finding that linking the word "more" or "click here" are helping their rankings more so than putting the key term within the anchor text.


Duplicating content - As mentioned before in the "Unique Content" bullet item, duplicating content on a site, or from another site is a very bad technique.

Invisible text - Nope, don't use white text on a white background with a bunch of keywords in it that only the search engine can see. Even 1 pixel high div's with the overflow hidden set in the stylesheet is a bad thing. Not only will you not get rankings, but your site will get penalized for it.

Overall Website


Age of website - the older a domain (or website) is, the higher a priority it will get within search rankings. A typical spam strategy is to buy a new domain and optimize it as much as possible to obtain quick rankings. Because of this, search engines will tend to ignore a website until it has been around for a few weeks, sometimes even months or years. If you have an older domain, then don't go thinking you should change it because it's "stale", it's actually a good thing.

Poor coding and design - Search engines can't tell what good design is, but they can tell from the popularity of the website. Social sharing, articles, blog posts, and all of the buzz about a website will only happen when a website is easy for the visitor to use, and gives all of the value a user is looking for. So, make sure your website is easy on the eyes, gives a clear and concise value proposition with a call to action, and is easy to navigate.

Exact Match Domain - Many spammers create website with a descriptive key term in the domain in attempts to get rankings. Google announced in October of 2012 that they were updating with an algorithm that will weed out any exact match domains. For example: http://www.compareinterestrates.com/ or http://www.best-interest-mortgage-rates.com/

Keyword-rich URLs and filenames - Just as the exact match domain is taking a hit in the recent updates, the keyword rich URL and filename strategy is as well. SEO's used to put their keyword within the URL with dashed between words in order to obtain ranking for long tail terms.
Site Accessibility - it's not talked about often, but can be potentially beneficial when your website is designed with accessibility in mind. Someone that has poor vision, hard of hearing, or may have trouble clicking links and buttons, is going to have trouble with most websites. If your website audience contains users that might need some extra help, keep this in consideration. Search engines know, and it could help you rank over your competition that hasn't.

Website size - Big or small, size doesn't matter. Some SEO's stress that a website needs to have millions upon millions of pages, but I have often personally witnessed websites that get penalized for having too many pages. Don't let this happen to your site, keep the pages down to a manageable and reasonable number. If your site is a publication with thousands or even hundreds of thousands of pages with unique content, then you should be fine. Just watch your webmaster tools notifications. Most of the websites that trigger the warnings are ecommerce websites with masses of pages for each product. If you find your site is showing this kind of error, it's best to seek out an experienced professional to help you get your pages under control and managed properly.

Domains versus subdomains - A subdomain is a subset of a main domain. Often used as a place to store images, or for other purposes, a subdomain looks something like images.mysite.com. Too often websites will put their highly valuable unique content of their blog on a subdomain. Unfortunately search engines don't know the difference between a main domain and the subdomain. Because of this, they treat each one as a separate entity. In the past SEO's have taken advantage of this and tried to get multiple rankings on one page with multiple subdomains. Just this year (2012) Matt Cutts has announced that they no longer treat them separately for separate rankings, but rather as an extension of the main domain. Because of this, subdomains not only won't see rankings, but the content is still not counted as part of the main domain. When setting up a blog, or any section of your website, it's best to simply just add a new directory (ex: www.mysite.som/blog) so that any of the content within that directory supports the domain as a whole.

Hyphens in URLs - When creating URLs for your website, it's still considered best practice to separate each word with a hyphen rather than a space, or an underscore. For example, if you write a blog post or article titled "The ten best puppies everyone should own" the URL should be "www.mysite.com/the-ten-best-puppies-everyone-should-own.html" or to avoid getting pegged for keyword rich URLs and a set hierarchy, it should be "www.mysite.com/puppies/ten-best.html".

URL length - A URL that is too long is a red flag for a keyword rich URL. try to keep your URL simple, and keep that site hierarchy.

IP address - The IP address is the unique identifying number (like a phone number) of where the server that hosts your website is located. If you are targeting a local audience, or maybe even just focusing on one country, be aware of where your website is hosted. A website that targets users searching in Canada, and is hosted in the U.S. will have an IP that resides within the U.S. In this case, search engines will only rank the site for U.S. searchers, and not for their Canadian searchers. If you aren't' worried about focusing your SEO by location, then don't worry about your IP.

robots.txt - The robots.txt file is a very simple text file (like Notepad) that resides on the main server. The only case in which you need a robots.txt is when you want to block certain sections of your website. Some search engines will allow you to put links to your xml sitemap for better indexing. For more information on setting up your robots.txt you can visit robotstxt.org.

XML Sitemap - Sitemaps are an easy way to let search engines know about all of the pages within your website that you would like to see indexed.

Redirects (301 and 302) or Status Codes - 404, 301, 302... Each one of these numbers has a different meaning to a search engine. The most common is a 404 or "page not found" it basically means that the UIRL existed, and now it doesn't. In the SEO world, the 301 is another code that is mentioned often. A 301 one lets the search engine know that the URL existed and has been moved, so we let the search engine know by redirecting the old URL to the new URL. My favorite explanation of these codes is from a dear friend of mine Lindsay Wassell at SEOmoz in which she uses pictures to best explain the different codes, and what they mean.

Some basic SEO buzzwords


Long Tail - A long tail is what most SEO refer to when talking about a 3-5 or more word term. When a user is looking to buy a computer and begins their search with the word "computers", they will often start to get specific as they search focusing on the specifics like "500 GB laptop computer". This is what a long tail key terms is - the more specific you can target your audience, the more likely they will be to convert as they find what they are looking for.

Indexed - Indexing is a term SEO's use when a search engine has crawled a website and it's pages, and then starts to display them within the search results. This doesn't effect rankings, but merely expresses that a page is within the database, and recognized by the search engine. A quick and easy way to see if your website is indexed is to search with site: before your domain. For example: search for "site:oceansofpets.com".

SERP - Simply meaning the "search engine results page" and rolled off of the tongue of SEO's quite often. Pronounced just as it looks (serp) the search engine results page is the page that the user sees after completing the search.

Snippet - A search snippet is what SEO's use to describe the title and description a search engine displays on the search results page.


I think that should just about do it to get you started. With SEO there is no standard way of doing things. There is no true right and no true wrong, there is only what we try, fail or succeed, and try again.

Please feel free to add anything I might have missed in the comments below. I'm hoping this will become a pretty comprehensive list that newbie SEO's can get started with.

Tuesday, December 2, 2008

Online Marketing Strategy and Your Target Persona


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Whether you are planning a natural search targeting campaign, a paid search marketing strategy or a social media strategy it’s always best to know who you are targeting before implementing any of your campaign or strategy. But how do you know who you are targeting and how to target them?
The www.savethebreakfastsandwich.com (STBS) website was originally developed as a fun site after speaking with a colleague in February 2008 in finding out that Howard Schultz was planning on discontinuing them in October of 2008. The goal was to develop a website where breakfast sandwich lovers could join in support of keeping them with a discussion board with stories and discussions supporting the sandwiches.
In this website’s case my main goal was to encourage people to sign up and possibly join in on the discussions. The site isn’t a money maker, but rather a site that was to generate buzz and enough members to hopefully convince Starbucks that the Breakfast Sandwich is worth keeping. In order to determine who I would be targeting in my strategies I had to go back to the type of person that enjoys walking into Starbucks and ordering a breakfast sandwich, and then narrow it down to the type of person that would be upset enough to rally in support. From there this person had to be technically savvy and one who is involved in the internet (i.e. active in sites such as Twitter, Facebook, Digg, etc.).
As I dug deeper into the personality of the STBS Persona I narrowed it down to a male between the age of 20-30 who is very active in the online community having Facebook profiles so that he would talk about the site and the story of the Breakfast Sandwich being discontinued creating awareness. He also has his own websites and/or Blog in which he would post a blurb about the story and link back to the website (generating awareness and linking credit for SEO). He is a very sarcastic individual and loves to mock the large corporations (what I like to call the conforming non-conformist). He also enjoys a good controversy (but only the obscure ones). Let’s call him Brian…
Now that I know I am targeting Brian, where he enjoys hanging out on the web, and what he does, as well as what will spark his interest it was time to determine a strategy. Every online marketing plan should have a basic strategy of 4 channels.
1) Search Engine Optimization – natural rankings on Google, Yahoo, Bing, Ask, and more
2) Paid Search Marketing – paid placements starting with bidding on key words and showing up in search results on the top sponsored or right side placements up to placements on other sites (per keyword bidding and/or placement targeting) to even banner ad placements(per keyword bidding and/or placement targeting)
3) Social Media Marketing – generating brand awareness and/or buzz about a website, company or product through social sites such as Twitter, Facebook, Linkedin, and more
4) Traditional Banners – with sites such as Adready in which your ads can appear across a network of sites generating awareness.
Depending on your budget and man power you should have a clear plan established before ever beginning any work or hiring of agencies to help you.
In the case of the STBS site I had no budget whatsoever, with limited amount of manpower since I was already marketing full time for Concur Technologies.
With a budget of nothing and limited manpower I set a plan that solely relied on the controversy of the Breakfast Sandwich being discontinued to trigger Brian to start talking immediately. I developed the site in 3 days keeping all search engine optimization in play with each page and across the entire site, and focused on promoting it as much as I could through social media sites.

Natural SEO

My main target was to rank for “Starbucks” of course, but second would be to show up naturally for “Breakfast Sandwich”, “Starbucks Breakfast”, “Starbucks breakfast sandwiches”, etc.
When targeting a persona and optimizing a website for that persona it’s always important to pay attention to the following 4 optimization techniques:
1) Landing Pages – focus on obscure terms (long tailed key phrases) that are 3-5 words in length that your persona might specifically be searching for and provide them with a landing page or 2-4 page microsite that gives them exactly what they are looking for.
2) Meta Tags – each landing page and page of your website should keep your persona in mind as you write the title and description. If a persona is looking for the “Starbucks breakfast sandwich” the result should explain what the site is about. Especially in the case of the STBS site. We don’t want a user searching for the actual sandwich to click the result and close out the website because they didn’t see the sandwiches. If they saw a result that talks about the demise and saving the sandwich and they choose to click the result then they are already aware of what the site is about and less likely to close out.
3) Internal Linking – when it comes to the persona the links pointing to other pages is very important. If you have a page seeded with links within the content the person might be compelled to click through to irrelevant pages and get lost within the site. Focus on the links that would be most important to them as they land on the pages that rank with clear calls to action (graphical buttons, banners, etc) and keep the linking to other pages in the sitemap or on pages that are more relevant.
4) External Linking – external linking is a great source for SEO credit. Encourage users to link to stories, landing pages, posts, etc. by adding “bookmark us” with the more popular bookmarking sites (Google, Digg, del.icio.us, etc) and encourage them to add links to their blogs or websites to specific pages with quick html they can copy and paste and talk about on their blog.
Of course this is all in addition to the standard SEO such as xml sitemaps, robots.txt, etc.

Social Media

Keeping my persona Brian in mind as I looked to other sites to talk about the STBS site and spark controversy I started with other blogs that discussed Starbucks either by fans or had Starbucks coffee drinkers talking to one another. I particularly started with a comment to a blog post that was a few days old on the Starbucks Gossip Blog - http://starbucksgossip.typepad.com/_/2008/01/starbucks-to-ge.html
The comment was quickly picked up and blogged about http://starbucksgossip.typepad.com/_/2008/02/seven-people-ha.html. The site immediately took off from there with blog postings from local obscure publications such as Seattle’s own Stranger http://slog.thestranger.com/2008/02/save_the_starbucks_breakfast_sandwich , to the New York Times http://cityroom.blogs.nytimes.com/2008/02/25/blogtalk-burgled-in-the-burg/
From there the site took off for the first few weeks it was launched. People were buzzing about it faster than I could keep track. Knowing that this groundswell wouldn’t last long (as most controversies die off within weeks or even days) I had to keep the momentum going as well as implement an SEO strategy that would keep the awareness of the site prominent in the internet culture.
With regards to the social media I kept commenting on blogs and sending out emails to members that would be interesting enough for them to forward on. I also setup a Facebook page and occasionally promoted it through my profile, twitter tweet, etc.
The SEO strategy was focused on local targeting. I developed a database of every city in every state across the US and created a page for each state and then the city targeting individuals that would be searching for a Starbucks in their area. The beauty of SEO is that you don’t have to be as specific to the user since you aren’t paying for the ad. The goal with these pages was to mention the demise of the breakfast sandwich in the snippet itself. The user would be searching for Starbucks close to their home, work, hotel, etc (for example starbucks felton, CA) then see the result and read “Find the Starbucks in FELTON - CA for your favorite breakfast sandwich before they are discontinued.” The user would click the result out of curiosity (not a highly qualified referral – but SEO has next to $0 cost per click so it has room for less qualified click throughs) the user then sees a landing page that educates them more about the decision to discontinue the breakfast sandwich and encourages them to sign up to help support it. Signup is free and easy which makes that decision fairly easy (with a 40% conversion rate from those pages from natural traffic).
Of course if I had an ad placed the messaging, and landing page would be much different, but again, this is SEO so we have a bid of legroom to convince rather than just presenting as we would with paid advertising so that our return on investment would be higher.
Always remember your user with any marketing strategy - a banner ad should spark curiosity and educate before the user clicks so that it is not only noticed but the user knows what to expect before clicking through, whereas a PPC ad should be specific to the term you are bidding on with the ad and landing page giving the user exactly what they are looking for. Pay attention to who your user is, what they are looking for and where you are grabbing them from and you will be successful in your marketing.

Saturday, July 19, 2008

SEO Survey




After signing up for one of Google's beta testing applications through their form that posts directly to the google doc spreadsheet I thought I would give it a try and create an SEO survey through Google docs myself. The results are published directly to the doc as the survey is submitted.
Take a moment and fill out the survey yourself. The results will update automatically as people fill it out and submit it, and I will post the data in all its glory to the public with pie chart sand everything for all to see. It will be interesting to see what comes of the answers.

The form is no longer available







Wednesday, September 10, 2003

What are Meta Tags?

What are Meta Tags?


The common question out on the SEO circuit is Meta tags or no Meta tags. Some argue that meta tags are useless. But are they really useless? The answer is no. In fact, back in the golden days of SEO (1990's) meta tags were the only way any website would have ever been seen. If you wanted your website to show up on MSN, Yahoo, Excite, Lycos, or any other popular search engine at the time, if you didn't have the proper meta tags, then your website was virtually hidden from the world.

As search engines became the more popular way to find what you were looking for on the internet, and the internet itself began to grow into this immense “pot of knowledge”, and resources, search engines had to find a way to find all of those websites available on the internet and lump them in an organized easy to access source for users to find what they need. By typing in a word or phrase that describes what you were looking for, the more results you found, the more you would return to that search engine in order to find what you were looking for.

So, the search engines found a way to find websites, and pull the keywords from those websites if there were no meta tags available. The more a word or phrase was found within the content of a website, the higher a website would show up for that word or phrase. The more another site would have the same word, the higher that site would appear, and so on.

Along came Google, with their page ranking system which changed the direction of SEO completely. Search engine optimizers began focusing on getting links to their sites. So much so, that they forgot about the meta tags altogether. Some SEO individuals are so obessesed with the google page ranking system, and obtaining links to their sites that they get involved with links farms, and cross linking, which inevitably will get a website banned from Google or Yahoo.


So, what happened to the meta tags?


They are still there, and are as important as the day they were ever thought up.

In fact, Google and Yahoo both place emphasis on how important it is to have proper meta tags. Yahoo even lists out that proper meta tags are important when optimizing a website, and details how to create proper meta tags (click here to read more). Does this mean that your site won't be seen if you don't have meta tags? Not necessarily. But, your site won't be highlighted for the words, or phrases, that you would like the people that search those phrases to find you. In fact, you will find that some phrases are so popular they are searched several hundred, if not several thousands of times a day.

So, by choosing the right keywords, and properly placing them in your meta tags, and efficiently wording your description, you will find that not only will you show up ahead of your competition for the words that are getting searched, but that the one who searched that phrase might be lured to your link in the results more so than your competition because of your title, and meta tag description.

Meta tags should be placed in the head of the HTML document, between the <HEAD> and </HEAD> tags.

Expires


The date and time after which the document should be considered expired - such as a news article, or marketing promotional landing page.

Controls cacheing as web robots may delete expired documents from a search engine, or schedule a revisit.

Dates must be given in GMT. E.g. format(META tag):

<META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
or (HTTP header):




Expires: Wed, 26 Feb 1997 08:21:57 GMT

Pragma


Controls cacheing - the value must be "no-cache".
<META value="no-cache" >


Content-Type




The meta content type may be extended to give the character set.
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=ISO-2022-JP">

It is recommended to use this tag failure to do so may cause display problems.

Content-Script-Type


i.e.
<META HTTP-EQUIV="Content-Script-Type" CONTENT="text/javascript">




Specifies the default scripting language in a document.

Content-Style-Type


i.e.
<META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css">



Specifies the default style sheet language for a document.


Default-Style



Set the document's preferred style sheet, taken from a stylesheet specified elsewehere e.g. in a LINK element.



Content-Language



Used to set the natural language of the document. Used
by robots to categorize by language. The corresponding Accept-Language
header (sent by a browser) causes a server to select an appropriate
natural language document.
i.e.
<META HTTP-EQUIV="Content-Language" CONTENT="en-US">



or (HTTP header)

Content-language: en-US

languages are specified as the pair (language-dialect); here, English United States

Set-Cookie



Sets a "cookie" along with a value with an expiry date are
considered "permanent" and will be saved to disk on exit.

i.e.
<META HTTP-EQUIV="Set-Cookie" CONTENT="cookievalue=xxx;expires=Friday, 31-Dec-09 23:59:59 GMT; path=/">




PICS-Label



Platform-Independant Content rating scheme. Typically used to
setva document's rating in terms of adult content (sex, violence, etc.)
although the scheme is very flexible and may be used for other purposes.

Cache-Control



Specifies the action of cache agents. Possible values:

  • Public - may be cached in public shared caches
  • Private - may only be cached in private cache
  • no-cache - may not be cached
  • no-store - may be cached but not archived


Robots



Controls web robots on a per-page basis.
i.e.
<META NAME="ROBOTS" CONTENT="NOINDEX,FOLLOW">

Robots may spider this page but not index it.



Most search bots support:


  • NOINDEX prevents anything on the page from being indexed and ranked

  • NOFOLLOW prevents the crawler from following the links on the page and indexing the linked pages

  • NOIMAGEINDEX prevents the images on the page from being indexed but the text on the page can still be indexed

  • NOARCHIVE extension to request that the search engine not cache the pages content



Description



A short, plain language description of the document. Used by search
engines to describe your document. Particularly important if
your document has very little text, is a frameset, or has extensive scripts
at the top.
i.e.
<META NAME="description" CONTENT="describe your website or page here">


Keywords




Keywords used by search engines to index your document in addition to
words from the title and document body. Typically used for synonyms
and alternates of title words.
i.e.
<META NAME="keywords" CONTENT="oranges, lemons, limes">


Author



Typically the author's name.
i.e.

<META NAME="author" CONTENT="Your Name">


Copyright



Typically a copyright date a company or website name
i.e.
<META NAME="copyright" CONTENT="2009 company name">




Google Specific


tags specific to Google onle
i.e.
<META NAME="googlebot" CONTENT="noarchive">


  • googlebot: noarchive - do not allow google to display cached content


  • googlebot: nosnippet - do not allow google to display excerpt or cached content


  • googlebot: noindex - similar to the robots meta element

  • googlebot: nofollow