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Searching the Internet

Individual Search Engine Sites


Search engines index web sites using electronic means such as spiders, robots or worms which roam the web and compile a database of information. In its basic form, the results list from a search of this database contains a list of web sites which contain that search term, and the placement of the web sites on that list is based upon the frequency of the appearance of that term, its location on the page and similar factors.

Because of the huge number of web sites, other means are now being used to bring users of the search engine the most relevant web sites, and to modify the placement of web sites on the results list to present the most relevant web sites first. These methods may examine the popularity of web sites and present the most popular sites first. Web sites may also be ranked based on the number of sites linked to them, or they may be ranked based on how much the web site owner pays for the listing.

For best results, 1) Examine the results list carefully, determine what type of sites are listed, and whether you want a human selected directory or a general web search, 2) read the instructions carefully and 3) use more than one search engine. No one search engine indexes the whole web, and coverage may not overlap.


General Search Engines

Google
The order of the results list returned on a Google search is based on a complicated formula relating to the number of pages linked to the page in question. The pages with the most links from the most important sites are given top priority on the list. Note that you may need to search for the singular and the plural of a word (dog and dogs). Paid listings are on the right side of the page. If you need help with all of Google's special search functions, try using Soople. Google has also prepared it own guide at Google Guide. If you want to compare items or people, visit Google Squared. If you are looking for an academic topic, visit Google Scholar

Yahoo!
Yahoo now has its own search engine. The results of the Yahoo! search are also used by All the Web and AltaVista.

Gigablast
Gigablast claims to index 2 billion web pages. Results are returned rapidly, and there are advanced search options. The date that each page was indexed is given so that you may find the most recently updated sites. Gigablast also groups related web sites.

Bing
Microsoft's search engine.

All The Web
AllTheWeb uses Yahoo!'s index to the web which they claim contains "billions" of pages. The advanced search option allows word filtering and searching by language or by date. Note that on the results page, sponsored listings are given before the search results. All the Web is owned by Overture.

Cuil
Cuil (pronounced cool) says that it indexes 121 billion sites. The results list contains a graphic and a short excerpt from each web site. This format is very different from the usual list of search results, and it may take some time to get use to. It does index blogs and wikis.

Alta Vista
The advanced search option provides for Boolean searching, and by date. There are separate searches for audio, video, images and news. AltaVista search results are obtained from Yahoo!. AltaVista is owned by Overture.

Ask
Ask Jeeves has merged with Teoma and the result is this site. Beware of the sponsored results (ads) tucked among the web sites in the results. Ask does suggest some helpful related searches.

Middle Spot
Middle Spot shows you screenshots of the web sites found in your search which makes it easier to decide on which sites to visit. Sites may also be saved to a workpad. You may search for web sites, images, and news.

Lycos
The Lycos web directory uses the Look Smart Directory. Note that paid listings are presented first. Lycos may now also be using the Yahoo database.

The Way Back Machine
Use this site to search for old web pages.

Web 2.0 Search Engines

Suchur
Suchur searches blogs, the social web, pictures, video, news and products. You can also find out what the hot topics on the net are.

Technorati
Search for blogs

Google Blog Search
Search for blogs or search the web

Wiki
A search engines for wikis.

The Top 100 Alternative Search Engines
An article by Charles S. Knight, January, 2007 which will give you some ideas of where else to search.

One Hundred Plus Search Engines Your Should Know
A list of mnay specialized search engines. This is good list to try if you are looking for books, music, and video.

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Table of Contents | Subject Indexes | Portals | Search Engines | Kid Safe Sites | Meta-Search Engines |
All-in-One Pages | Specialized Engines and Indexes | Links to More Information



Please address any comments, additions, or corrections to Linda Bertland, school librarian, Philadelphia, PA at info@sldirectory.com.