68 Free SEO Tools, Tips and ServicesEvaluate Your Site, or Your Competitor's
Firefox addons
SeoQuake - obtain and investigate many important SEO parameters of an internet project on the fly
SEOpen - provides some basic tools to help with search engine optimization including google backlinks, yahoo backlinks, PageRank check, http header viewer, and more Google Analytics - Provides deep analysis on all traffic, including paid search.
IBP - Several tools for checking rank positions, basic SEO page analysis and link building tools.
WebCEO - Site optimization, promotion and analysis.
WeBuildPages - Free software for SEO analysis, back link and anchor text tool.
Link Building 101 - Basic link building instructions and tips.
Link Baiting - Good link baiting tutorial.
Google Webmaster Central - Statistics, diagnostics and management of Google's crawling and indexing of your website, including Sitemap submission and reporting.
PayperClick Tools
WordTracker -Data is based on the Metacrawler and Overture search engines.
KeywordDiscovery - Data is based on the number of search engines.
Keyword Optimizer - Enter a list of keywords and this tool will remove any duplicate entries and re-order the list alphabetically.
Google Analytics - Provides deep analysis on all traffic, including paid search.
Google Suggest - As you type, Google provides the top 10 most popular keywords that begin with the keyed-in letters, in order of popularity.
SpyFu - Find out what competitors are bidding on, estimates for the cost of PPC advertising and other bells and whistles.
Hittail - Finds and easily groups the actual terms being used to find your site into an Excel format. Great for finding niches and long keyword strings.
Google Trends - Graphs historical trends of various Google searches.
Google External Keyword Tool - Historical trends in keyword popularity.
BidCenter - A good tool for comparative analysis and easy to use.
SEO Sleuth - Find what AOL users search for (AOL produces 2x the retail conversions as any other engine).
ROI Calculator - This calculator measures the ROI (return on investment) of a CPC (cost per click) campaign.
Site Tools
C-Class Checker - Use the Class C Checker if you own several cross-linked sites.
Code to Text Ratio - This tool will help you discover the percentage of text in a
Future PageRank - This tool will query Google's various data centers to check for any changes in PageRank values for a given URL.
Internet Officer - Checks for redirects.
Live PR - The Live PageRank calculator gives you the current PageRank value in the Google index, not just the snapshot that is displayed in the toolbar.
Keyword Cloud - This tool provides a visual representation of keywords used on a website.
Keyword Difficulty Check - Use the Keyword Difficulty Check Tool to see how difficult it would be to rank for specific keywords or keyword phrases.
Page Size - This tool will help you to determine HTML web page size.
Site Link Analyzer - This tool will analyze a given web page and return a table of data containing columns of outbound links and their associated anchor text.
Spider Simulator - This tool simulates a search engine spider by displaying the contents of a web page
URL Rewriting - This tool converts dynamic URLs to static URLs. You will need to create an .htaccess file to use this tool.
Keyword Misspelling Generator - Allows you to generate various misspellings of a keyword or phrase to match common typing errors. Useful for creating keyword lists around your most important keywords to bid on.
Keyword Density Analysis Tool - Finds common words and phrases on your site.
Hub Finder - Finds topically related pages by looking at link co-citation. Post about tool.
Page Text Rank Checker - Tool allows you to check where each phrase or term occurring on the page.
XML Sitemaps - Makes free Google Sitemaps for sites up to 500 pages in size.
Google Tools
Google Webmaster Central *Tool - See how Google crawls and indexes your site and learn about specific problems they're having accessing it.
Google Labs*Tool - Cutting edge Google tools that are currently in beta
SpyFu for Google Bidding*Tool - Lets you see which keywords your competitors are buying and which ones they optimize their site for.
Google Future PR *Tool - This tool will query Google's various data centers to check for any changes in PageRank values for a given URL
Google Sandbox *Tool - Enter the URL or keywords in the box, and you will see up to 20 sample AdSense ads for the URL or keywords
Google Dance Watch - Google Datacenter Search Tool
Google Page Rank Formula and Sandbox Explanation - Check link popularity on Google, Yahoo and MSN
Google Google Information and FAQ
Google Reinclusion Request *Tool - Remove information from search requests
Google Advanced Search *Tool - Quick explanation of different search parameters.
Google Page Rank Check (All DC's)*Tool - Look up any site's pagerank
Google Keyword Ranking Check*Tool - Find where a site ranks for keyword searches
Google "Need-To-Know" Info- Start here if you're not familiar with Google
Beginner Adwords Tips *Instruction - Learn how to utilize AdWords
How Google Analytics Work *Instruction- Interpret Analytics results
Check Google Keyword Prices *Tool- Keyword price research
Hit Tail *Advanced Adwords Tool - Reveals in real time which keywords people use to find your website.
Hit Tail Documented - How to use HitTail to your advantage
Even More Tools!
Getting into DMOZ - How to get a website listed in the Open Directory Project
Meta Tag Generator Tool
RoboForm - A MUST-HAVE! - Completely automates password entering and form filling.
Keyword Density * - Helps webmasters and SEOs achieve their optimum keyword density for a set of key terms.
Web CEO - SEO Software *Tool - Great SEO software package.
IBP Pro - SEO Software *Tool - Another good SEO software package
Robots.txt Generator *Tool - Allows you to hide files or directories that you don't wish the search engine spiders to find
Domain Age Check *Tool - Use this tool to find the age of any domain, including your competitors' or ones you might want to purchase
Who Supplies Who with Search Results*Tool - Search engine relationship chart
Adwords Click Fraud Study *Information - In depth study on click fraud
IP Information *Tool - - An online DNS tool suite
PPC Hijacking *Information - Info on Pay-per-click hijacking
Comprehensive Link Building 101 *Tool - Link building is the single most important element to obtaining high rankings in all of the major search engines
Link Baiting *Instruction - How to create the most link-worthy content
