These search engine optimization tools are helpful resources for analyzing your on-page optimization, backlinks, and other aspects of search engine optimization, helping you make strategic improvements where you need them.
SEOMoz PRO is the top SEO software, with dozens of tools and valuable SEO resources. Membership in SEOMoz PRO gives you campaign-based web apps, dozens of SEO tools, webinars, and full access to Open SiteExplorer.
SEOMoz’s Open Site Explorer pulls data from over 50 billion web pages and about 10 trillion links. Here at McDougall Interactive, it is our go-to source for exploring links and the links of competitors.
SEO Book offers a great forum and a set of free and paid web-based SEO tools.
SEO Book’s SEO for Firefox Plugin is an indispensable quick analysis tool. You get data such as: PageRank, Google’s Cache Date, Traffic Value, Site Age, del.icio.us, del.icio.us Page Bookmarks, Diggs, Diggs Popular Stories, StumbleUpon, Twitter, Y! links, Y! edu links, Y! gov links, Y! Page links, Y! edu page links, OSE links to page, OSE links to domain, Blekko domainlinks, Technorati, Alexa, Compete.com rank, Compete.com uniques, Cached, Dmoz, Bloglines, Page blog links, wikipedia, dir.yahoo.com, BOTW, Business, and Majestic SEO linkdomain
SEO Book’s Hub Finder Sites that link out to several competitors are worth getting links from them yourself. You can plug in 2 to 10 of your competitors to see sites that link to as many of them as you specify.
Google Webmaster Tools Essentials is very useful tool that you can use to analyze your website’s performance and fix errors.
SEO Browser shows how a search engine looks at your site. It strips away the CSS or any styles, and displays text and links.
Firefox SEO and Social Tool Plug-ins (addons.mozilla.org/en-US/firefox) There are thousands of add-ons for Mozilla and lots of great ones for SEO and social media marketing.
Raven has a tool set including SEO, social media, and advertising tools.
Majestic SEO links intelligence tools for SEO and online public relations and marketing. The link tools are outstanding.