The 25 Best SEO Tools

Also, see WordPress Tips 2009.

Accessibility Checker

Accessibility Check

Make sure your page validates for handicapped users and increase your site usability while ensuring the use of standard SEO practices.

Backlink Analyzer

Backlink Analyzer

Wondering what your inbound links’ anchor text is?

Check Server Headers

Check Server headers

Make sure your pages are returning the correct headers (i.e. 200, 301, 302, 404, etc.)

Code to Text Ratio

Code to Text Ratio

The higher your code to text ratio the better your site may look to some search engines.

Crawl Test

Crawl Test

Are your pages getting crawled? Make sure!

Disable Personalized Search Plugin

Disable Personalized Search

Google personalizes search results so when you’re doing your keyword research your results will vary on several factors. Eliminate those factors with this script.

Duplicate Content Check

Duplicate Content Check

Is your content being ripped off on other sites?

HTML Validation

HTML Validation

Your site is always better off if your pages are validating for correct HTML markup.

Keyword Extraction

Keyword Extractor

Find out what your page is really
about with this extensive tool.

Link Check

Link Check

Broken links are dumb. Find ’em.

Page Size

Page Size

Is your page too big for spiders to index? Find out the size.

Rank Chcker

Rank Checker

Get the rank of your chosen keywords accross multiple search engines.

Redirect Checker

Redirect Checker

Are your pages redirecting correctly?

Robots.txt Syntax Checking

Robots Syntax Checking

Robots.txt files are extremely important to directing the flow of bots – don’t screw it up!

RSS Validator

RSS Validator

Validate your RSS feed and ensure that other services can interpret it correctly.

Search Status

Search Status

Semantic Data Extraction

An assortment of incredibly useful tools installed as a Firefox plugin.

Semantic Data Extraction

Semantic Data Extraction

How well do the search engines really know your site?

SEO Book Keyword Research

SEO Book Keyword Research

A few different tools that can help in keyword research

SEO for Firefox

SEO for Firefox

A plugin that reveals all kinds of stats about a page in search results.

SEO Link Analysis

SEO Link Analysis

Google, Yahoo!, and MSN allow webmasters access to link data – using this plugin really makes that data come to life.

Site Link Analyzer

Site Link Analyzer

Check your internal and external links’ anchor text.

Technorati Reactions

Technorati Reactions

Find your blog and see how many people have “reacted” to it.

Text Analysis

Text Analysis

Is your writing style too intelligent for most searchers?

Trifecta Score

Trifecta Score

An awesome summary of how well your blog, page, or domain score based on a flurry of factors.

5 Comments

  1. Just a note from personal experience with tools like RankChecker. If done repeatedly, Google will note your IP address and for a limited time will require you to enter a captcha code to verify that you are a human doing a search and not software. Granted, when this happened to me I wasn’t using RankChecker but the concept was still the same. So what should you do? Run RankChecker from your friend’s house. A bunch.

    Reply

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