| Spider | Database | Crawlspace | Search by | Search options | Output |
|---|
| Alta Vista (altavista.digital.com) | 16,000,000 full text pages | Web + Usenet | Keyword | AND, OR, NOT, NEAR; title:, url:, host:, link:; Usenet from:, subject:, newsgroups:, summary:, keywords:; * at end of 3+ letter word; Date Range | relevance |
| Excite (www.excite.com) | 1,500,000 full text pages | Web + Usenet + Reviews + Classified | Keyword, Concepts | "plain english" | confidence, site |
| Open Text (www.opentext.com) | 27, 671, 020 hyperlinks | Web | Keyword | phrase, all words, any words; AND, OR, NOT, NEAR, FOLLOWED BY; summary, title, first heading, url; weighted | relevance |
| NlightN (www.nlightn.com) | 10,000,000 URLs | Web(Lycos) + hundreds of databases + news + reference | Keyword | keyword, limit/filter, & (and), | (or), ^ (not) | database |
| infoseek guide (guide.infoseek.com) | ? | Web + Usenet + Usenet FAQs + Reviewed pages + topics | Keyword | keyword, phrase, [words within 100 words of each other], +word must occur, -word must not occur | relevance? |
