Results are often overwhelming. No browsable index supported. Results are ranked extremely well, so you are likely to find what you are looking for quickly, and they include WWW and gopher documents, as well as newsgroups. Provides good instructions, easy search customization, and very high accuracy. Excite Allows both concept search and keyword search, the former being somewhat incomprehensible.
Results provide site sorts, confidence ranks and similar page searches.
Summaries are not all that useful. In the spring of 1997 it claims 50 million indexed web sites. It also indexes the previous two weeks of newsgroups. Browsable index also available. Open Text Provides special sites to search in Japanese, Spanish and Portuguese.