Resource of web-based testing and validation tools
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README.md

README.md

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✔️ Website Testing Tools & Audits

Resource of web-based testing tools

Contents

💻 General & Multipurpose

Browser extension that tests for SEO, speed and security best practices. Crawls your site checking multiple pages at once.

Markup Validation

Performance, SEO, Social, Links, Popularity

Auditing, performance metrics, and best practices for Progressive Web Apps (Chrome Devtools and Chrome extension)

Accessibility, security, interoperability and more

📐 Design & Layout

Responsive Layout

Cross Browser Testing

Free screenshots of webpages in a variety of browsers and devices

⚡ Performance

Page Speed

Performance

Pingdom Website Speed Test

Google's Test Your Mobile Speed

GTMetrix PageSpeed Score

🔐 Security

SSL Server Test

Content Security Policy (CSP) Validator

HSTS Preload

Security Headers

Test SSL, security headers and more

🙂 Social Media Tags and Schema Markup

OpenGraph (Facebook Login required)

Open Graph Check

Twitter Cards (Twitter Login required)

Structured Data (Schema.org) Testing Tool

Google Rich Results Test

Rich Snippet Previews (WhatsApp, Telegram, Skype, Facebook, Twitter, LinkedIn, Google+)

Pinterest Rich Pins Validator

📱 Mobile Friendliness

Bing Webmaster Mobile Friendliness Test Tool

Google Mobile Friendly Test Tool

🔗 Broken Links

Dead Link Checker

License

CC0

To the extent possible under law, Christian Oliff has waived all copyright and related or neighboring rights to this work.