Search Engine Optimization Strategies

Google

Google is the world's biggest search engine with over 8 billion webpages, 880 million images, and 1 billion Usenet messages.

Its search results now appear in some of the most popular websites including Yahoo!, AOL Search, and Netscape. Google is without doubt the most widely used search engine on the planet, with over 250 million searches per day. Fifty percent of Google.com traffic is from outside the US.

Google Information

Documents Indexed 8 billion web Pages 880 million images 1 billion Usenet messages
Crawls The Web (Every) 4 weeks (in order of importance)
Unique Visitors (Monthly) 62.2 million (Nielsen//NetRatings 10/02)
Audience Reach 39.4% (Nielsen//NetRatings 01/04) - over 50% of which is from outside the US.
Searches (Daily) 250 million+
Referral Traffic 14.40%
Directory Partner (Powered By) Open Directory Project
Pay Per Click Google AdWords
Set Up: Within minutes
Cost Per Click: $0.05 minimum
Ads per page: Up to 8
Ranking Algorithm: Mixture of bid price and click through ratio
Supplies Results For Yahoo!, AOL Search, Netscape Search, CompuServe, EarthLink and AT&T.
Search Results Listing Order Google
Free Submission (Time to Index) 4-8 weeks
Non-Submitted Pages (Time to Index) 4-8 weeks
Submit Pages Home page
Deep Crawl? Yes - 4 levels down
Pages Indexed Entire website
Submission Limit (Daily) 1 page recommended
Paid Inclusion? (Time to Index & Update + Costs) Not Available
Spider's Name Googlebot
Page Clustering? Yes
Maximum Title Tag Length 83 characters
Maximum Description Tag Length 160 characters. If tag is missing, it displays webpage extract. Also displays Open Directory description, if available.
Maximum Keyword Tag Length Not indexed
Support Frame Links? No
Support Image Maps? No
Support Meta Robots Tag? No
Support Robots.Txt? Yes
Index Description Tag? Yes
Index Dynamic Pages? (CGI, ?, =, %, &, Etc.) Yes, but given lower ranking than HTML pages.
Index Keyword Tag? No
Index PDF Files? Yes
Recommended Maximum File Size 20k
Recommended Maximum Keyword Weight 1-3%
Recommended Maximum Word Count Per Page (Content) Maximum of 750 words
Case Sensitivity Affect Ranking? No
Cross Linking Important Pages Affect Ranking? Yes
Directory Listing Affect Ranking? Yes
Home Page Affect Ranking? No
Keywords in ALT Attributes Affect Ranking? Yes
Keywords in Anchor Text Affect Ranking? No
Keywords in Body Content Affect Ranking? Yes (Density)
Keywords in Bold Affect Ranking? Yes
Keywords in Bottom of Page Affect Ranking? Yes (Density)
Keywords in Comment Tags Affect Ranking? No
Keywords in Entire HTML File Affect Ranking? No
Keywords in Headline Tags Affect Ranking? Yes (Density)
Keywords in Hidden Layers (CSS) Affect Ranking? No
Keywords in Link Text Affect Ranking? Yes (Frequency)
Keywords in Link URL Affect Ranking? Yes (Frequency is important)
Keywords in Meta Author Tag Affect Ranking? No
Keywords in Meta Description Tag Affect Ranking? Yes (Frequency)
Keywords in Meta Keyword Tag Affect Ranking? Yes (Density is important)
Keywords in NoFrames Content Affect Ranking? No
Keywords in Style Tags Affect Ranking? No
Keywords in Title Tag Affect Ranking? Yes (Density and frequency is very important)
Keywords in Top of Page Affect Ranking? Yes (Frequency and density is important)
Keywords in URL Affect Ranking? Yes (Frequency is important)
Link Popularity Affect Ranking? Very important
Page Length Affect Ranking? Short pages
Spider Found Sites Affect Ranking? Yes
Stop Words Affect Ranking? Yes
Uncommon Keywords Affect Ranking? Yes
Word Stemming Affect Ranking? No
Cloaking Considered Spam? Yes
Hidden Links Considered Spam? Yes
Duplicate Pages Considered Spam? Yes
Invisible Text Considered Spam? Yes
Keyword Stuffing Considered Spam? Yes
Keywords in Hidden Value Tag Considered Spam? Yes
Link Exchange Program Use Considered Spam? Yes
Meta Refresh Tag Considered Spam? Yes
Tiny Text Considered Spam? Yes
Home Page http://www.google.com
Engine's Own Site Submission/Ranking Tips Google Information for Webmasters http://www.google.com/webmasters/
Free Submission Submit your site http://www.google.com/addurl.html
Paid Inclusion Google AdWords https://adwords.google.com
Email Support help@google.com
Spam Report / Support help@google.com
Copyright Infringement Support http://www.google.com/dmca.html
Customer Support Telephone Number 1-650-330-0100