Search spam (spamdexing) is spam of an index of a search engine, for example, in a way of cloaking or creation of doorways. Search engines do not usually report an exhaustive list of the methods of spam which can lead to the removal of a site from the index.
Here are some of them for a search system Yandex:
- Use in a page of elements misleading the search system (text, links et al.);
- Creation and placement of fraudulent «entry» pages (doorways) redirecting visitors in one or another way to a target page;
- Special website programming for the purpose of presenting to the Yandex robot of content other than that which is given to ordinary users;
- Placing of links intended only for «pumping» of a relevance in a search system including participation in programs of exchange of links with the mentioned goal.