Google PageRank Prediction
This predictor tool does what it says, it predicts your future Google PageRank. To improve your website's ranking, you may want to add your site to our directory. (а add site to there directory стоит 10 баксов pear year - пожалуй единственный минус)
Backlink Checker
Find those backlinks linking to you, their Description, Language and Size. (выдает список сайтов, на которых найдена ссылка на вас. Тоже самое, собственно, можно сделать и с помощью Гугла
All-in-One Lookup
Retrieve a number of information about a detail including age of domain, speed, Dmoz listings, Current PageRank, Predicted PageRank, Alexa Ranking, Backlinks, Listings on Google/MSN/Yahoo and Website's competition. (типа "все-в-одном". Можно сразу перейти на эту страницу по адресу http://www.iwebtool.com/ваш сайт, например http://www.iwebtool.com/seventhsite.ru)
PageRank Checker
Check your website's Google PageRank on major Google datacenters instantly.
Visual PageRank
View the PageRank of links visually rather than in text.
Link Popularity
Find how many links your domain has on the most common search engines.
Rank Checker
Use this online tool to see what your ranking is. Find out how popular your website is to users and search engines. Also, find out how many search engines linked to your website.
Website Speed Test
Find out how fast your website loads. Too slow? Perhaps you need to optimize the page or move to a faster server. (как быстро твой сайт грузиться)
Search Engine Position
Use this tool to chek what search engine position you have for Google and Yahoo. (определение твоих позиций в Гугле и Yahoo! по определенным ключевым словам)
Google Banned Checker
This tool will analyze your domain with Google search to detect if the domain is banned. (проверка - а не забанен ли твой сайт Гуглом :))

Кроме этих, в левой части окна есть ещё куча.