Contraste Alternatives

Free tool for testing how good your website is, and what you can do to improve it. Check accessibility, SEO, social media, compliance and more.

Check and adjust web element contrast in real time.

Employee Monitoring Software with Screenshots, Internet, Activity and Time Tracking

Try for free freemium $4.99 / Monthly

Modern web accessibility tools for agencies & webmasters

paid Free Trial $49.0 / Monthly (Standard, 3 Websites, Unlimited Pages, Unlimited Page Views)

Comprehensive free accessibility testing tool for designers

Automatically detect accessibility (a11y) issues on webpages

Site-wide Accessibility and HTML validation made easy. With a single click, Rocket Validator will check thousands of web pages on your site for Accessibility and HTML conformance, producing a detailed, actionable report on seconds.

paid Free Trial $36.0 / Monthly (25,000 HTML checks/month, 1,000 docs/report, 5 requests/second)

A stream-lined CLI to easily test for web accessibility

Plagiarism scanner that detects plagiarism in your text.

An accessibility visualization toolkit from Khan Academy

A timeline editor for CSS animations

Colorific Hair Color Salons give you amazing color at an affordable price.

A growing list of accessibility tools and resources

Validates HTML markup of web pages, one at a time.