350m pages from a total of 600m pages crawled and duplicates, dead links and spam removed. 4 million articles from 14,000 Usenet newsgroups. Method Automatic and user registration. None used - indexes every page spider finds. Indexes words in both forms.
Index saves each instance of each word and information about location on document.
Not user deletable. Will index description and keyword meta tags up to a limit of 1024 characters - can therefore use meta tag to control what is indexed. Image search - whole web. Does not index Stopwords. HTML Comment tag contents. .