Pattern of displaying keyword average search volume and monthly search volume has changed. Now it’s shows exact number in place of green bar… it’s looking more easy to pick searchable keywords.

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Pattern of displaying keyword average search volume and monthly search volume has changed. Now it’s shows exact number in place of green bar… it’s looking more easy to pick searchable keywords.
Google over the years has produced a large amount of helpful information that gives us great insight to how their search engine works.
This information includes and is not limited to terms of service details, white papers, discussion groups and blogs.
The following is therefore a list of these resources which mainly focus on SEO, search engine optimization and search engine marketing. This list does not include tool, it is a list of documents that Google has produced (in the main) that provide valuable insights into how Google works.
Using these insights will help you to better understand how search works and give you some very good tips on how to improve rankings.
As Google release more information I will do my best to keep this list up to date. If you find page s in Google I have missed, please email me and I will add them.
Google Blogs & Discussion
Google Webmaster Help Group - A great place to ask any question you may have about Google and your website and SEO.
Google Webmaster Central Blog - If you can’t find it in Google’s TOS or written information this is great place to conduct a search on the exact information you are looking for.
Matt Cutts - Matt Cutts works for Google and blogs about Google updates, algorithms, search engine tips, white hat SEO and a lot more.
Google Help
Google Webmaster Central - Links leading to many of Google’s apps and documents for webmasters.
Google Webmasters Help center – Google webmaster guidelines, tips & FAQ’s.
Google SEO Documents & White Papers
Anatomy Of A Large Scale Hyertextual Web Search Engine - Quoted first paragraph…
“In this paper, we present Google, a prototype of a large-scale search engine which makes heavy use of the structure present in hypertext. Google is designed to crawl and index the Web efficiently and produce much more satisfying search results than existing systems. The prototype with a full text and hyperlink database of at least 24 million pages is available at http://google.stanford.edu/”
The above page is a great place to start in getting your head around the workings of Google and search engines in general.
Google Papers - A list of publications, white papers and texts written by Google employees. A great place to find insights regarding Google algorithms and where they are headed with search.
PageRank - A detailed explanation of PageRank.
Pagerank Explained - An easier, less in depth explanation of PageRank.
Trust Rank - A white paper of how Google may be currently implementing algorithms rules.
Unlike submitting to search engines, submitting your site to directories and niche portals usually involves a lot more than simply typing in your URL. You often have to start by researching the various topic categories to find the most appropriate area to submit to. Then you generally have to provide some detailed information about your site, its’ content, your company and your contact details.
When selecting the most appropriate Directory category to submit your site to, conduct a search for your main keyword phrase and view the various related categories. Study the sites listed within these categories and choose the category that is the most relevant to or closely related to your site content. Some directories like ODP have specific Category Descriptions you should read before submitting, to ensure you have chosen the most relevant topic for your site.
Another way to choose your category is to search for sites belonging to your direct competitors. It is likely that the category they are listed in will be the most relevant to your site.
If your site targets or discusses a specific regional market, you will need to submit to a regional category. For example, if my site was about rental cars for hire in Sydney, Australia, I would need to submit it to the regional Yahoo category: http://dir.yahoo.com/Regional/Countries/Australia/States_and_Territories/
New_South_Wales/Cities_and_Regions/Sydney/Business_and_Shopping/
Shopping_and_Services/Automotive/Rentals/
and not the general Yahoo rental car category:
http://dir.yahoo.com/Business_and_Economy/Shopping_and_Services/Automotive/
Rentals/
I find it useful to submit a slightly different description of my client’s sites for each directory submission. That way, I can gauge which descriptions are more effective in terms of encouraging people to click and also which directories are providing my clients with the most traffic. Many directories feed their database results to other engines and directories, so if I have a description unique to each directory and I see that description pop up on other search sites, I know it is the result of that original directory submission and immediately recognize the value of that original submission.
Remember that directory editors don’t care about your site’s ranking in their search results. If they are reviewing a site submission that contains an obviously keyword stuffed title and description, they are unlikely to find it appealing or beneficial for inclusion in their database! Always make sure your submission details are relevant, interesting and accurate. Try to highlight your site’s benefits for the visitor and unique content that makes it stand out from others in the same category. If your site sounds just like a cookie-cutter version of others of the same topic, there is no incentive for the editor to include it.
Submitting to the Yahoo! Directory
There are a couple of sites where you want to take extreme care and do advance research when submitting your site. One of these is the Yahoo! Directory. The way you submit your site to Yahoo! can make or break your site’s ultimate ranking in the Directory and if you’re not careful, could also cost you USD 299 for nothing.
With Yahoo!’s huge market share and popularity worldwide, I believe it’s vital that your site is listed in Yahoo!’s Directory. The best way to get listed quickly is by paying the fee for Express Submission. Yahoo! Express is an expedited fee-based site suggestion service for web sites submitted to the Yahoo! directory. A member of Yahoo!'s editorial staff will look at your site, consider your suggestion and respond to you within 7 business days.
Important: Payment does not guarantee inclusion in the directory, site placement, or site commentary. It only guarantees that Yahoo! will respond to your suggestion within seven business days, by either adding or denying the site.
The secret to obtaining excellent results via your Yahoo! submission is to choose the most appropriate category and include a carefully-crafted description that contains your main keyword phrase/s without being too verbose. For those of you offering a Yahoo! submission service to clients, be sure to charge a generous admin fee for your expertise in researching the category and writing the description for your client – a successful Yahoo submission can pay dividends for your client for years.
Example of a successful site description for Yahoo!:
ABC VIP Adventures - offers tailored adventure travel and vacation packages to
New Zealand including day tours, exotic corporate trips, luxury travel packages,
kite surfing, and extreme sports.
Example of an unsuccessful site description for Yahoo!:
ABC Travel – we are the best! We are the only company to contact for your vacation. Call now!
The latter does not use the actual company name, plus it contains lots of hype but no keywords and few clues as to what the site is about. In this case, the Yahoo! editor would have to visit the site submitted and come up with their own description and it’s doubtful the edited description will be something the submitter would be happy with.
Submitting to Open Directory
Another Directory where submission is critical is the Open Directory. DMOZ is run entirely by volunteers and your site submission must be hand-reviewed by one of these volunteers before it can be considered for inclusion. DMOZ is extremely under-staffed (I know this because I’m a DMOZ editor) and it can take 6 or more months before your submission is reviewed – you must be patient. When submitting to DMOZ, make sure you follow the directory submission guidelines above and prepare to wait, wait and wait some more.
Procedure to follow for a successful DMOZ Submission:
1- Submit site
2- wait for 3 months
3- follow up email to category editor
4- wait for 3 months
5- escalation email to category editor above your category
6- wait for 3 months
7- ask for assistance in the Open Directory Public Forum
8- wait for 1 month
9- escalation email to DMOZ senior staff & post to various forums seeking help
Rules of Submission
1) Do it once: Despite the hype, there is NEVER a need to resubmit to a search engine or directory unless your site is dropped entirely (which is a very rare occurrence).
2) Do it properly: Be very thorough when submitting, especially to directories. Take the time to research and locate the most appropriate category for your site.
3) Be brief: Don’t waffle on about your site in the description field. Get to the point and describe your site in a short sentence or two.
4) Be accurate: Don’t try to trick potential visitors by using vague or misleading descriptions about your products or services.
5) Be relevant: There is a fine line to tread between relevance and keyword optimization when creating your site descriptions for submissions. Try not to cross it by using descriptions over-stuffed with keywords.
6) Be humble: “Best Web Site in the World!!!!” is not going to convince anyone and may earn you the wrath of search engine editors.
7) Be patient: Search engines and directories can take up to 6 months to index and list your site. Re-submitting won’t help things and could result in your site being shoved to the bottom of the review pile.
So that wraps up the directory submission process. It can be time consuming, but taking a little bit of time and care with your submissions can pay dividends for your site for years to come.
Source: http://www.ewebmarketing.com.au/seo/3_search_engine_marketing_article.htm