Free Search Engine Optimisation Tools


A list of free SEO tools:

Keyword related:

Overture Keyword Selector Tool
http://inventory.overture.com/d/searchinventory/suggestion/

Wordtracker keyword tool – free trial
http://www.wordtracker.com/

Digital Point keyword suggestion tool - can search by country
http://www.digitalpoint.com/tools/suggestion/

SlowSEO keyword selector tool that shows cost per click information
http://www.slowseo.com/tools/keyword-selector-tool.php


Link related:

Web Build Pages Anchor text backlink checker
http://www.webuildpages.com/neat-o
and their Top 10 analysis tool
http://www.webuildpages.com/cool-seo-tool

Marketleap’s Link Popularity check, Search engine saturation and keyword verification tools
http://www.marketleap.com/publinkpop

Sitemap creation tool
http://www.xml-sitemaps.com

Google webmaster tools - create a Google account to access these tools - shows diagnostics, statistcs, link report, keywords and submit your sitemap.
Google Analytics - Free web analytics with a Google Adwords account.
http://www.google.com

Google Toolbar –quickly and easily view page rank, keyword density and back links
http://toolbar.google.com


Assorted:

Submit express have a handy toolset including a page snooper
http://www.submitexpress.com/snooper

A load of seo tools including rank checkers for most search engines
http://www.searchenginegenie.com/seo-tools.htm

Bruce Clay has a free handy toolset including keyword activity, keyword density analyzer, competition research and link analysis. You can also get access to more tools by subscribing for free.
http://www.seotoolset.com/tools/free_tools.html

Google Duel - Good to compare two words, such as plural to see which will rank better.
http://www.googleduel.com/original.php

Screen Res comparison tool - More of a web development tool but extremely useful
http://www.markhorrell.com/tools/browser.html

SEOChat keyword difficulty check
They also have a number of other tools available
http://www.seochat.com/seo-tools/keyword-difficulty

W3C Markup Validation Service, a free service that checks Web documents in formats like HTML and XHTML for conformance to W3C Recommendations and other standards
http://validator.w3.org

Domain age checker- Allows you to check multiple domains at a time
http://www.webconfs.com/domain-age.php

Link Vendor have a nice tool that shows links on a website with information including linked page’s PR, whether it’s an external link and if the no follow tag has been used.
They also have a decent free tool set
http://www.linkvendor.com/seo-tools/visualpagerank.html

Webcomfs SEO friendly redirect check, they also have many more free tools:
http://www.webconfs.com/redirect-check.php


Firefox SEO plug ins:

These plugins display a toolbar with just about every thing you could wish for in one easy snap shot, including PR, backlinks, domain age, alexa rank, DMOZ inclusion, whois and much more.

SEOpen
http://seopen.com/firefox-extension/index.php

SEO for Firefox:
http://tools.seobook.com/firefox/seo-for-firefox.html

SEOQuake:
http://ff.seoquake.com/?sln=en

SEO Services:

Keyword ResearchResearch: Selecting the best keywords
Keyword research should the first step in the Search Engine                 Optimisation process.

SEO on page optimisationSearch Engine Optimisation: On-Page Optimisation
The on-page factors to Optimising your site for the                 Search Engines.

SEO link buildingBack Link Building, Link Baiting and Page Rank
How many quality back links does your web site have?                 And how to get more.

PPC, pay per clickPay Per Click: Search Engine Marketing explained
You can generate targeted traffic while waiting for your SEO to                 kick in?

Web AnalyticsWeb Analytics: Measuring results for improvement
Fine tuning to maximize your return on investment.

SEO Resources:

SEO ToolsOur favorite FREE SEO tools
From keyword research to back link checkers, we've used and reccommend them.

SEO ExpertsSEO Pod Casts, Blogs and Authority Sites
A directory of valuable Search Engine Optimisaton resources.