Smart and easy visual feedback for websites and images. Invite unlimited contributors to any project. Did we mention it's free?

Free Heatmap web analytics provided by UserLocal, Inc. You can undergo vicarious experience of an eye tracking.

All History of WordPress Plugin Vulnerabilities

2 effective email signatures against spoofing, phishing or impersonation. When recipients receive your emails, their spam filters automatically poke your domain to see if those signatures are not forged

Why No Padlock? - Why is my SSL web page insecure? Find the culprit!

Check DNS Propagation worldwide. DNS Checker provides name server propagation check instantly. Changed nameservers so do a DNS lookup and check if DNS and nameservers have propagated.

Automatically generates high-quality visual sitemaps + high-res screenshots of any PUBLIC or PRIVATE website, making it fast and easy to perform in-depth site audits for SEO, UX and marketing research.

information about domain age - NS - Email hosting

A tool to compare Chrome UX Report field data for multiple origins or URLs.

Test how responsive your website design is with this free tool. Check if your website fits and adapts to mobile, tablet, and desktop screen sizes.

Find out what websites are BuiltWith

Easily create automated browser tests for your websites and web apps. Run them continuously, end-to-end. Catch bugs before they cost you. No coding required.

take a snapshot of your site before and after running the update and compare the two versions. The tool runs through the entire site and notifies you of the exact changes and the percentage of change too.