Free SEO Tools

Robots.txt Validator

Robots.txt Validator by Search Engine Watch
checks your robots.txt file and informs you of any errors that it finds.

Robots.txt Syntax Checker

Robots.txt Syntax Checker by sxw.org.uk
checks your robots.txt file and informs you of any errors that it finds.

Advanced Google Search Methods

Advanced Google Search Methods by AlgoTech
enter domain and keyword and select numberous searches includeding allintitle, allinurl, allinanchor, allintext, site, define, sponsored links and results with sandbox penalty suspended.

Alexa Ranking

Alexa Ranking by Evrsoft
allows you to cut and paste a number of domians and get the 3 month Alexa Ranking or you can browse your harddrive and provide a list of domains. If you have a number of sites and you want to see the Alexa Rankings, this is the way to do it.

Alexa Related Rank Check

Alexa Related Rank Check by 123promotion
gives you 10 seperate fields to enter domains and gives you the same day, 1 week ago and 3 month average Alexa Rank. It also shows the movement up or down in the last 3 months.

Adword Keyword Generator

Combine words by SEO Tools
is a tool that generates a list of possible keyword combinations based on lists of keywords that you provide. Has a stemming switch also.

Search Engine Position Checker

Search Engine Position Checker by Webmaster Toolkit
allows you to enter your keyword phrases and site URL and then displays the top 50 position for those keyword phrases in Altavista, Excite, Google, Yahoo, HotBot, MSN, WiseNut, Alltheweb and Teoma.

Search Engine Positioning

Search Engine Positioning by SEO Guy
enables you to enter your keyword phrase with your site URL and it shows the top 100 results for those keyword phrases in Yahoo, Google, AllTheWeb, MSN and HotBot.

Search Engine Placement Check

Search Engine Placement Check by Marketleap
has you enter you keyword phrase and site URL and displays the top 30 results for your keyword phrase in Alltheweb, AltaVista, AOL, Dmoz, Google, AOL, HotBot, Lycos, MSN, Netscape and WiseNut.

Google-Yahoo-Ask Search

Google-Yahoo-Ask Search by jux2
displays results from Google Yahoo and Ask Jeeves together. Jux2 can show the unique results from Yahoo! that are not in Google, or combine the results from the top ten that are in both browsers. They have some very interesting stats. Check it out I found it quite interesting.

Yahoo-Google Search

Yahoo-Google Search by Yahoo-Watch
gives you the top 100 Yahoo results and noting the Googles position on the side. After Yahoo top 100 it then shows the remaining Google results. Very nice!

Yahoo vs. Google

Yahoo vs. Google by Christian Langreiter
enables you to enter a keyword and displays a page of the linked search results from Yahoo and Google on any webpages that come up in the top 100 search results.

HTTP Header Viewer

HTTP Header Viewer by Webmaster Toolkit
gives shows you the the HTTP headers that the web server is sending. Shows Cookies being sent, re-directs and mini-type.

Class C Range Checker

Class C Range Checker by TextLinkBrokers.com
enables you to cut & paste a number of domains or browse to a file that has a list of domains and check whether they are on an unique Class C IP.

Domain Dossier

Domain Dossier by CentralOps.net
resolves IP to host, host to IP, runs a traceroute, and displays the zone file and does a whois look up.

Search Engine Friendly Redirect Checker

Search Engine Friendly Redirect Checker by webconf
will check to see if your redirect of a URL is search engine friendly. Will also tell you if you have a redirect.

Browser Screen Resolution Checker

Browser Screen Resolution Checker by Mark Horrell
lets you check your an URL to see what it looks like in different screen resolutions. Beats changing your screen resolution all the time.

Free Google Keyword Ranking Tool

Free Google Keyword Ranking Tool by Nichebot
enter keywords, domain, depth of search (10-1000), any/all or exact phrase and choose one of the 101 Google country sites to search from.

Google Datacenter Watch Tool

Google Datacenter Watch Tool by McDar
is a tool that will let you do a search on Google at all the different datacenters. This shows whether the different datacenters are giving different different Ranking results for the same key phrase.

Google Rank Position

Google Rank Position by PRSearch.net
allows you to enter a search term and the domain to search for. It returns the position that search term has on Google WITH, the number of entries that search term is indexed for, the PR of your home page, the size of file, the number of inbound links the site has and lets you know if you are in the DMOZ or Google Directory.

Google One Line Results

Google One-line Results by Google
enables you to view Googles search results with each entry on one liner .

Google Rankings

Google Rankings by googlerankings.com
searches for the entered URL and keyword in the first 1000 pages.

Keyword Popularity Tool

Keyword Popularity Tool by 123 Promotion
has made a number of changes to there Overture Keyword Popularity Tool. It now searches not only Overture's database but WorkTracker also! It looks like the same tool but the results in the search term field is an anchor text that opens up a whole new set of data and word mining possibilities. In the new set of data it tells you how many times Google and Yahoo find this term on the internet, there is a list of related words which is linked to let you conduct a dictionary.com or thesaurus.reference.com search or to research on one of the related words. Very nice tool, and very useful for copywriters.

Free Keyword Research Tool

Free Keyword Research Tool by Nichebot
shows for entered keyword and simular keywords the number of times searched in 60 days according to WordTracker and Google results and Google exact results page numbers.

Google Suggest

Google Suggest by Google
will offer completions when you type in your keyword for searches. I have found this very helpful in keyword mining.

Search Term Research

Search Term Research by PrioritySubmit
requires an username and password but it has lots of features. They claim to have the biggest database, with over 9 billion searches compiled from 37 sources that include major international, pay per click, meta and regional engines. You can search on spell:keyword, related:keyword, like:keyword and crawl:keyword . The tool will search Overture's data from 16 different countries. There is just too much to list here. Go sign up and get take a peek.

Keyword Research Tool

Keyword Research Tool by Webmaster Toolkit
will generate a list of keywords and keyword phrases used in other web sites based on the keyword or keyword phrase you enter into their tool. This tool searches other sites with your choice of one of the 9 listed search engines and displays what other web sites that are optimized for the keyword phrase you entered are using for keywords on their site. Very helpful tool!

Search Term Suggestion Tool

Overture Search Term Suggestion Tool by Overture
allows you to enter a prospective keyword and it returns the related keyword phrases and the number of times they have been searched in the last month on Overture search engines such as Yahoo, MSN, Altavista and Hotbot. You use this kind of data to help you choose the keyword phrases you want to target. This tool is a "must use" as you don't want to target keywords that no one is searching for!

Keyword Suggestion Tool

Keyword Suggestion Tool by Digital Point Solutions
shows the per day keyword results from both Overture and Wordtracker. Wordtracker breaks the results down in plural and singular where Overture combines them together. For example Overture reports "anime wallpage" as 2609 per day where Wordtracker shows "anime wallpaper" with 3160 per day and "anime wallpaper s " with 1948 per day. The different totals don't matter, it is the plural/singular percentages that you need to help you decide which keyword to target.

Keyword Generator

Keyword Generator by Espotting Media
provides you with keywords from there PPC data base. Espotting powers over 1.4 billion searches every month across Europe. With offices in the UK, Ireland, France, Germany, Spain, Italy, Sweden, Denmark and Norway.

Google Adwords Keyword Tool

Google Adwords Keyword Tool by Google
provides you with 2 lists of words, Specific keywords that are that include your keyword that have been searched on Google and Similar keywords that are relevant terms searched by uses that searched for your keyword also.

Google Keyword Suggestions

Keyword Suggestions for Google by SEO Chat
give you relevant and popular terms related to the keyword you search for. This tool queries information from Google searches for your keyword and determines popular and re-occurring terms and displays them with a field that shows there relevent per cent. Very good tool.

Keyword Density Analyzer

Keyword Density Analyzer by Stargeek
gives you keyword density for 1, 2 and 3 word combinations.

Keyword Density Analyzer

Keyword Density Analyzer by Internet Marketing
gives you keyword density in your title, meta description, meta keywords, visible text, alt tags, comment tags, image tags, option tags, reference tags, linked text and URL.

Keyword Density

Keyword Density Tool by SEO Chat
will analyze your entered URL, and return a list of key phrases with their corresponding density values for one, two, or three word key phrases. You can choose whether you want the longs key phrase to be 1, 2 or 3 words long.

Keyword Density Tool
(Site Offline)

Keyword Density Tool by Webmaster Brian
generates a list of one, two and three word key phrases from the URL you enter in. Instead of giving you the number of keywords on the page it gives you the density ratio of each keyword to the page.

Keyword Density Analyzer

Keyword Density Analyzer by Jim Tools
checks your webpage and give you a full report on the optimization of that page. There is just to much to list for this tool. It checks from your anchor text to your Yahoo listing and everything in between.

GoogleDuel Orginal

GoogleDuel Orginal Tool by GoogleDuel
enables you to compare two different words to see which is more popularity on the internet. This tool is a fast way to check you keywords to see where plural or singlar is the more common form used on the internet.

Ontology Finder

Ontology Finder by goRank
gives you synonymous words of your keywords to consider for possible keywords or just to add to your webpage.

Free Broken Link Checker

Free Broken Link Checker by dead-links.com
check domain wide for broken outbound links. Very very very nice!

Site Link Analyzer

Site Link Analyzer by SEOChat
displays a list of internal and external links and their anchor text for input webpage.

Free Link Checker

Free Link Checker by SEO-HighRankings.com
checks the URL of a single page for broken outbound links. This tools only checks the page you enter.

Online Free Reciprocal Link Checker

Online Free Reciprocal Link Checker by recip-links.com
checks the list of reciprocal you cut & paste into there form. It checks the page, not the whole site and reports back the URLs that it found had a link to your domain, the URLs that didn't have a link to your and any URLs that errored out.

Link Popularity Check

Link Popularity Check by MarketLeap
displays inbound link reported by Alltheweb, Alta Vista, Google/AOL, HotBot, MSN & Yahoo and provides a total of them. But what makes this tool shine is its new trend/history report. Yes that is correct it will give you the history of links for your site. Now that is hot!

Link Popularity Analysis Tool

Google Link Popularity Analysis Tool by RustyBrick
provides you with all the data you need to analyze a page's link popularity. This tool looks a sites backlinks on Googleand provides you with a summary of all your links under the catagories of pagerank, domains, anchoring text, internal and external link counts, Page Titles, IP Addresses, Link Ratios and relevent pages. This tool is hot! Requires Google API key.

Report Bot

Report Bot by reportbot.com
reports, links and pages indexed from Google, alltheweb, MSN, HotBot & Yahoo, Tool PageRank, Alexa Ranking and checks where you are listed in DMOZ - and it fast!

Link Popularity Checker

Link Popularity Checker by PRSearch.net
searches Google, Yahoo, MSN Search, Altavista, Alltheweb and Hotbot for inbound links to your site.

Link Popularity Checker

Link Popularity Checker by Webmaster Toolkit
enables you to enter your URL shows the number of links your site has in Google, Altavista, MSN, AlltheWeb and Yahoo.

Link Appeal

Link Appeal by Webmaster Toolkit
will calculate the desirability rating of having a link on the URL you specify. This calculation includes factors such as pagerank, number of outbound links and the overall percentage of links to html. It is intended as a guideline for evaluating whether you should ask for a link on a certain page or not.

Free IBL Check (Site Down)

Free IBL Check by IBL Check
takes the keyword you input and tells you the number of inbound PR4 links with the anchor text being the keyword that you would need to get first page SERP. This tool needs a bit of tuneing. It would be nice if it would also give the averages for the PR and backlinks for the bottom 5 on the first page SERP. That would give you a better idea what it takes to get into the the bottom half of the first page.

Required Text Links Estimator

Required Text Links Estimator by Text Link Brokerage
enables you to input a keyword and returns the number of inbound links for the the top 10 sites on Google have with Google, Yahoo and MSN. It also estimates how many PR4 links is required to get 1 page SERP for that keyword.

Keyword Competition Analyzer

Keyword Competition Analyzer by SEO Rank
displays the number of web pages on Google, Yahoo, MSN & HotBot that contain the keyword you enter. Nice tool that gives you all the numbers in one shot!

AdSense Ad Display

AdSense Ad Display by google.blogspace
lets you enter you URL and shows what AdSense ads would be displayed for that web page.

Search Engine Index Checker

Search Engine Index Checker by Marketleap
will display the number of your site pages that are in the database of Alltheweb, AltaVista, Google/AOL and HotBot Search Engines. It also enables you to enter up to 5 URLs of competing sites and compares your site to those sites in a graph. MarketLeap also stores this data so your can view your trend/history report.

Watchfire WebXACT

Watchfire WebXACT by Watch
analyses your web page for w3c validation, alt tags, all your meta tags, and much much more. How 4 pages of things it checks.

Poodle Predictor

Poodle Predictor by GRI Technologies
shows you a spiders view of the text on your webpage. Ignore where it shows what your page will be displayed like on a Search Engine. Go into the Diagnostics View and there you will see your page in text only with all your alt, title, menu and copy displayed in the order the spider will see it. This is helpful to show you what order you columns are in.

Web Page Analyzer

Web Page Analyzer by Webmaster Toolkit
checks your webpage to make sure to see if you have you keyword in bold text, in link text, in header text, in document title, in meta description and in meta keywords. It's a simple tool but using for entry level checking.

Meta Tag Generator

Meta Tag Generator by 123 Promotion
lets you fill in your webpage title, description, and keywords and then creates your tags for you.

Similar Page Checker

Similar Page Checker by webconfs.com
help you determine if the content of your webpage's to similar as you can be penalizes for having similar webpage's on the same website.

Code to Text Calculator

Code to Text Calculator by Stargeek
helps you avoid diluting your keyword relevancy by letting you know the ratio of your text to code. The higher the ratio of text to code in your webpage's the better.

Search Engine Spider Simulator

Search Engine Spider Simulator by webconfs.com
shows you the content order of your webpage as the search engine bot sees it. This will help you to verify that your keywords are at the top of your page where they will be more relevant. Some times, like in the case of a float:right, your right column could be read by the search engine bot before your main body of text.

Page Report

Page Report by We Build Pages
reports pages indexed, PR, Yahoo backlinks, unique linking domains, Alexa ranking, internal link, external links and where the page is in the Yahoo or DMOZ directory. Requires Google API Key .

Pages Indexed Backlinks Domain Pagerank Allinanchor Keyword Density Tool (Tool #5)

Pages Indexed Backlinks Domain Pagerank Allinanchor Keyword Density Tool by We Build Pages
checks the top 10 sites for any keyword search in Google and shows number of pages indexed in Google & Yahoo, backlinks for the page and site from Yahoo, PageRank, Allinanchor, body keyword density and text link keyword density. Requires Google API Key .

PulseRank

PageRank Finder Offline/Upgrading

PageRank Finder by SEO Guy
enter keyword and the min pagerank and number of pages to be displays and you get the the top sites with PR, Backlinks, site pages and allinanchor results.

SERP Checker

SERP Checker by ThinkBLINK
enter keyword and this tool displays the top ten websites for the entered keyword phrase and displays their pagerank and backlinks.

Robots.txt Validator

Robots.txt Validator by Search Engine Watch
checks your robots.txt file and informs you of any errors that it finds.

Page Rank Grid Calculator

Page Rank Calculator by WebWorkshop
enables you to construct a grid showing the relationship of your website pages to each other and calculates the PR for each page. This tool will show you how you can concentrate PR to your home page, how dangling links bleed off PR from your site, and overall give you a better understanding of how PR works.

Pagerank Calculator

Pagerank Calculator by Mark Horrell
is quite a bit different than WebWorkshop's Page Rank Grid Calculator and to tell you the truth I didn't find any use for it. I will spend some more time on it later but I thought it should be in here as Mark Horrell has a lot of good things to say about Pagerank.

Google PageRank Calculator

Google PageRank Calculator by ThinkBLING
lets you search on keywords and give you the top tem pagerank and backlinks.

Google PageRank Prediction

Google PageRank Prediction by RustyBrick
Looks at your URL and predicts what your Page Rank will be at the next PR update based on the backlinks Google shows.

Page Rank Search

Page Rank Search by PRSearch.net
provides you with Google results but includes a PR bar and the number of inbound links the site has.

Page Rank Search Results

Page Rank Search Results by ThinkBLINK
allows you to do Google searches with the PR reported with the search results.

Google PageRank Report

Google PageRank Report by Top25Web.com
lets you check the PR of unlimited number of sites at a time. Now all you have to do is cut and paste you list of webpages and there you have it all before you with one click. Very nice!

PageRank Lookup
(Site Offline)

PageRank Lookup by Webmaster Brian
lets you check the PR of up to 100 sites at a time. Now all you have to do is cut and paste you list of webpages and there you have it all before you with one click. Very nice!

Backlink Checker

Backlink Checker by ThinkBLING
checks your webpage for backlinks and returns the number of backlinks for each PR position. Requires Google API key.

Datacenter Quick Check

Datacenter Quick Check by McDar
lets you add you URL and check all Google datacenters for BackLinks, PR and Ranking of keyword.

Future PageRank Tool

Future PageRank Tool by SEO Chat
will query all of Google's various data-centers and display your Pagerank value for each one. If queried during a Google update you will get a glimpse of upcoming PR changes.

Google Toolbar

Google Toolbar by Google
is a toolbar that installs on Internet Explorer and shows you the pagerank number for each webpage you visit. Beware - this tool bar will make you more PageRank conscience.

Mozdev GoogleBar & PRGoogleBar

Mozdev GoogleBar by mozdev.org
has all of Google's specialty searches in one convenient location. This toolbar works both on Mozilla 1.7.3 and FireFox 1.0 .
PRGoogleBar by NickStallman.net
is a modification for the Mozdev Googlebar extension for Mozilla and Firefox. It adds the PageRank bar to the toolbar. There are different files for Mozilla and Firefox.

PR Toolbar Widget For Macintosh

PR Toolbar Widget For Macintosh by Digital Point Solutions
is a PR Toolbar Widget that runs on Mac OS X. You will need Konfabulator (JavaScript runtime engine for Mac OS X that lets you run little files called Widgets) to run this PR Toolbar Widget.

Yahoo Toolbar

Yahoo Toolbar by Yahoo
is a toolbar that installs on Internet Explorer and shows you the webrank number for each webpage you visit. This tool bar will make you more webrank conscience.

Yahoo Search Rankings

Yahoo Rankings by yahoosearchrankings.com
searches for the entered URL and keyword in the first 1000 pages.