Recall & Diversity Analyzers To specify a search engine, check its checkbox.  Google  Yandex <script type="text/javascript" language="JavaScript" src="http://analyzethis.ru/informer.cgi?v3&summary.completeness&ru&en"></script>

Recall analyzer To specify a search engine, check its checkbox.  Google  Yandex <script type="text/javascript" language="JavaScript" src="http://analyzethis.ru/informer.cgi?v3&rare&ru&en"></script>

Analyzer of subject search To specify a search engine, check its checkbox.  Google  Yandex <script type="text/javascript" language="JavaScript" src="http://analyzethis.ru/informer.cgi?v3&entirety&ru&en"></script>

Analyzer of Ambiguous Queries To specify a search engine, check its checkbox.  Google  Yandex <script type="text/javascript" language="JavaScript" src="http://analyzethis.ru/informer.cgi?v3&homonymous&ru&en"></script>