In addition to HTML documents, Yandex indexes other document formats. The following formats are indexed in addition to HTML: PDF, Flash (Adobe Systems); DOC/DOCX, XLS/XLSX, PPT/PPTX (MS Office); ODS, ODP, ODT, ODG (Open Office); RTF, TXT.
Some restrictions apply to the type of indexed data:
In PDF documents, only text content is indexed. Text represented as graphic images is not indexed.
For a flash document, the text from the following blocks is indexed:
The links are indexed if they reside in the following blocks:
Please note that when new versions of software appear the implementation of support for the new formats may take a while.
The documents larger than 10 MB are not indexed.