Free SEO Tools

Welcome to the free tools page, brought to you by SEO.co! We are working on implementing and integrating APIs at the moment, so all of the tools may not yet be available. Check back for future updates.

Validators / Testers

Domain Age Tester

Robots.txt Tester

Sitemap Validator

Htaccess Redirect Checker

Ping Tester

Title Tag Checker

Meta Description Checker

H1 and all Header Tag Checker Tool

Keyword Density & Consistency Tool

Website Word Count Tool

Image Alt Tag Checker

Backlink Checker

Internal Link Checker

Broken Link Checker

SEO Friendly URL Checker

Robots.txt Checker

XML Sitemap Checker

Google Analytics (and Other Web Analytics Tools) Checker

Meta Viewport Tag Checker

Webpage Flash Test Tool

Webpage iFrame Test Tool

Favicon Checker

Font Size and Legibility Checker

Webpage Tap Target Size Tester

Page Request Checker Tool

Webpage Javascript Error Checking Tool

Webpage GZIP Test Tool

Webpage Image Optimization Checker

Webpage File Minification Checker

Webpage W3C Validator

Deprecated HTML Tags Checker

Inline CSS Checker

SSL Checker

HTTPS (SSL) Redirect Checker

Malware Test Tool

Test a Website URL for Clear-Text Email Addresses

Find the Technology a Website is Built With Tool

Website IP Address Finder Tool

Website DNS Lookup Tool

Check the Web Server being used by a Website

Website Mobile and Tablet Responsiveness Tester

Website Load Speed Performance Tester

Webpage File Size Check Tool

Generators

Meta Tag Generator

.htaccess Generator

Robots.txt Generator

XML Sitemap Generator

Keyword Generator

Minifiers

CSS Minifier

JS Minifier

HTML Minifier