There are a vast number of tools and utilities available to the SEO engineer. In fact there’s a massive industry catering to every aspect of SEO.
From back-link checkers and analysers all the way to tools to see various metrics on keywords.
This page is a list of some of the most useful, containing many free SEO software packages as well as some of the best free SEO tools.
The links below will take you to the relevant sections:-
Analyse the value of backlinks pointing to your site.
These tools will show you what sites your backlinks are coming from.
These tools will find a list of backlinks pointing to a specific website.
Check your organic search engine results.
Tools that scan the web, looking for backlink possibilities
Google specific pagerank analysis tools.
Tools used to discover the IP address information pertaining to websites.
Tools that allow you to manage backlinks.
A range of tools that covers the whole spectrum of keywords and their investigation
These tools will grade your webpages over a number of different metixs and return some form of quality score. Either based around the SEO values of the page or the html markup code used.