This is a categorized listing of free SEO tools you can use for optimizing websites. Each category has a short introduction about what the tools. Most of them have an English interface and are web based.
Some tools need to be installed on a web server or a client connected to the Internet which is indicated in the introductory text or next to the link. Have fun trying out these free SEO tools!
Swiss Army Knives for SEO
These SEO tools check multiple SEO metrics in one step: Google PageRank, Alexa Rank, Compete Rank, Quantcast Rank, Google Backlinks, Yahoo Backlinks, MSN Live Search Backlinks, Technorati Links, del.icio.us Bookmarks, Rojo links, Bloglines subscribers.
- SEOmoz Page Strength SEO Tool
- popuri.us
- Rank Alert: Site Rank Report
- webconfs: Domain Stats Tool
- SEOcompany.ca: Website Analysis Tool
- socialmeter
- Seitwert (German)
Firefox SEO Extensions
It should come as no surprise that you need Firefox to use the following tools. Similar to the Swiss army knives above many of the Firefox extensions listed perform various SEO related tasks and allow you to check: Google PageRank, Google Category, Alexa Rank, Compete Rank, Alexa related links and backward links from Google, Yahoo!, Alexa and MSN.
- SearchStatus
- SeoQuake
- RankQuest SEO Toolbar
- SEOpen
- SEO Tools
- KGen
- SEO Book: SEO for Firefox
- Joost de Valk’s SEO Link Analysis
Search Engine Tools
Tools available from major search engines.
Keyword Research and Analysis
These tools are useful for keyword research, keyword analysis, checking keyword frequency, and getting keyword suggestions.
- SEO King: Overture Keyword tool
- SEO Book Keyword Suggestion Tool
- Google AdWords: Keyword Tool
- Rank Alert: Keyword Popularity Checker
- We Build Pages: Search Combination Tool
- webconfs: Website Keyword Suggestions
- SEO Book: Text Rank Checking Tool for Google
- We Build Pages: Cool Domain Age Checker
- Overture: Keyword Selector Tool
- Overture: Suchbegriffe finden (German)
- MetaGer-Web-Assoziator (German)
- Keyword Datenbank mir KEI-Berechnung (German)
- Keyword Datenbank (German)
- Word Stream
- Enquisite
- Keyword Discovery
- Keyword Spy
- Word Butler
Keyword Ranking Tools
Tools for checking the search engine rankings for specified keywords on your site and/or top ranking sites (keyword competition).
- We Build Pages: Top Ten Analysis SEO Tool!
- SEOcompany.ca: Keyword Top 10 Site Info
- We Build Pages: Top Competitor Tool
- We Build Pages: Deep Link Ratio Tool
- SEO Book: Google Advanced Keyword Rank Checker
- Suchmaschinen Ranking (German)
Keyword Density Tools
Tools for analyzing the keyword density of web pages.
- We Build Pages: Keyword Density Analysis Tool
- SEO Book: Keyword Density Analyzer Tool
- iWebtool:Keyword Density Checker
- webconfs: Keyword Density Checker – Keyword Cloud
Google PageRank Tools
Tools for checking, monitoring, and predicting Google PageRank.
- iWebtool: Visual PageRank
- Smart PageRank
- iWebtool: Multi-Rank Checker
- Rank Alert: Data Center Watch
- iWebtool: Google PageRank Prediction
Backlink Checkers
Tools for checking backlinks and anchor texts found in various search engines and suggestions for linkbuilding.
- webconfs: Backlink Builder
- We Build Pages: Common Backlinks Tool!
- Free Backlink Checker
- We Build Pages: Strongest Subpages Tool
- iWebtool: Backlink Checker
- We Build Pages: C Class Backlink Analyzer
- Rank Alert: Backlink Watch
Link Popularity / Link Value
Tools that measure the popularity and/or value of a link based on various criteria. Some off these tools can be embedded into websites to show off your immense popularity.
- Popularity Check
- Text Link Ads: Ad Link Value Calculator
- SEO Chat: SEO Tools – Link Popularity
- Webmaster Toolkit: Link Popularity Checker
Link Tools
Tools for extracting links and searching websites for broken links.
- iWebtool: Link Extractor
- Rank Alert: Link Validator Check Broken Links
- Xenu’s Link Sleuth (Web Client)
Web Statistics and Tracking
Tools for analyzing website traffic and visitor tracking.
- Google Analytics
- Yahoo Web Analytics
- Web Analytics by Coremetrics
- Web Analytics by Omniture
- Webalizer (Web Server)
- AWStats (Web Server)
- Analog – The most popular logfile analyser in the world (Web Server)
- Summary.net – We tell you more (Web Server)
- Web Trends (Web Server)
- OneStat Free – Free hit counter (Web Server)
- Compete Site Analytics
Crawling Test and Speed Check Tools
Tools for checking out how search engine crawlers (spiders) “view” web pages and how fast they are downloaded with different Internet connection bandwidths.
- SEO Book:Spider Test
- iWebtool: Spider View
- webconfs: Search Engine Spider Simulator
- Free Website Performance Tool and Web Page Speed Analysis
- iWebtool: Website Speed Test
Meta Tag Tools
Tools for generating, optimizing, and extracting meta tags.
- SEO King: Meta tag optimization
- SEO Book Meta Medic
- iWebtool: Meta-tags Generator
- iWebtool: Meta-tags Extractor
Domain Tools
Tools for retrieving data about domains, such as age and ip address, tools for finding expired domains, and domain name suggestion tools.
- Domain Tools: Whois Lookup and Domain Suggestions Engine
- Stuckdomains: Free Expired Domains Search
- Nameboy: Domain Name Generator
- AjaxDomainSearch
- webconfs: Keyword-Rich Domain Suggestion Tool
- iWebtool: Reverse IP/Look-up
- iWebtool: Ping Test
- webconfs: Domain Age Tool
- Netcraft Site Report
- DNS Stuff: Empowering users with DNS tools and expertise
- Premium Domain
- Psychic Whois
HTTP header viewer
Tools for viewing the HTTP header send to clients after requesting web pages.
Top Search Words / Search Buzz
Information on top search words by search engines, market places, news and blog aggregators, and download portals.
- Google Press Center: Zeitgeist
- Lycos 50 – Top Films, TV Shows, and News Stories
- Google Current
- Yahoo! Buzz Index
- AOL Hot Searches
- Ask.com IQ
- Dogpile Search Spy
- Most Popular Searches – Search.com
- Popular tags on del.icio.us
- Technorati Popular
- SearchKing: Top Key Words
- eBay Pulse: trends, hot picks, cool stuff and popular searches on eBay.com
- Top Search Terms – Free Downloads on ZDNet
Misc Tools
Tools that don’t fit into any of the above categories.
- Mark Horrel: Browser screen resolution checker
- webconfs: Search Engine Friendly Redirect Checker
- webconfs: URL Rewriting Tool
- iWebtool: HTML Optimizer
- iWebtool: Alexa Traffic Rank
- iWebtool: Search Listings Preview
- iWebtool: Server Status
- iWebtool: Google Banned Checker
Optimization Tools
These free SEO Tools will help you to optimize your website and move your search engine position.
- Fagan Finder URLinfo is a tool for handling web pages: finding information about it, translating it, finding related pages
- Web Confs Tools Duplicate content validation tool and search engine spider simulators
- Instant Position SEO training and website promotion tools to help improve and promote your search engine rankings
- SEO Chat Search Engine Optimization, Google Optimization
- SEO Company Tools
- Web Site Optimization Increase Web sitetraffic, improves conversion rates, and improve search engine rankings
Extra Tools
- Info Vilesilencer Info Vilesilencer: The Original SEO friendly free directory list
- Right Scripts Internet Research PHP Scripts
- Compete Compete.com helps you personally benefit from click-sharing. Whether it’s protecting you from a dangerous site, profiling each website you visit
- Yelp Yelp is a fun and easy way to find, review and talk about what’s great – and not so great – in your area
- Chitika
- AboutUs
- Squidoo
- Quigo Technologies, Inc. – Content-Targeted Ad Serving and Search Engine Marketing Solutions
- sphinn New, Discussion Form & Networking for Search & Internet Marketing Professionals
- Meetup.com – Do something, Learn something, Share something, Change something
- Blogger.com – Create your free blog
I tested all of these SEO tools to make sure they are useful and worth to be listed here. Did I miss a great tool? You can suggest other free SEO tools at seo@seous.com Enjoy!
