The Big 5: Overview of Top U.S. Search Engines
| Name: | |||||
|---|---|---|---|---|---|
| Founded: | 1996 | 1994 | 1998 | 1996 | 2002 |
| Founders: | Larry Page / Sergey Brin | David Filo / Jerry Yang | Microsoft Corp. | Time Warner/America Online Corp. | Ask Jeeves |
| Technological Distinctions: | PageRank - A citation based ranking algorithm which identifies the relative importance of all pages within the index. CIRCA - An advanced language ontology and semantic connectivity database. | A variety of integrated services and strategic partnerships has placed Yahoo's reach well beyond the search industry, into nearly every aspect of consumer information technology. | The child of technology behemoth Microsoft, MSN Search includes many innovative technologies such as block level link analysis under the hood. | Uses Google's powerful search technology to furnish search results. | MyWay does not own a unique infrastructure, rather it retrieves results from AskJeeves (default), with the option to select from Google, Yahoo! or LookSmart results. |
| Est. Size of Index (in docs): | 22,000,000,000 | 10,000,000,000 | 7,000,000,000 | 22,000,000,000 (Mirrored from Google) | 5,500,000,000 |
| Index Type: | Full Text with full document storage in compressed format. | Full Text and Searchable Subject Index hybrid. | Full Text. | Full Text. | Full Text and searchable subject index hybrid |
| Est. U.S. Market Share: | 46.3% | 23.4% | 11.4% | 6.9% (Total Search Properties Combined) | 2.5% |
| Noteworthy Information: | Created at Stanford University while founders where post graduate students. First inception was named "BackRub", which suggested the engine's unique usage of backward linking information to rank documents within the index. | Yahoo! is an acronym- (Y)et (A)nother (H)ierarchical (O)fficious (O)racle. | There is evidence that the new MSN Search may be using the innovative Block-Level Analysis technology that was developed jointly by Microsoft Research Japan and the University of Chicago Illinois. | AOL ISP subscribers receive additional search results that are part of the AOL system. | MyWay Search distinguishes itself as providing a banner-free, pop-up-free environment. |
Prior to working with PPM our website was ranked on the 10th page of Google with the search terms we desired. Now it is on page one and we have noticed an increase in traffic 
and calls as a result. Thanks for everything.
