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 | |
| 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 |
