PUBLIC MARKS with tag check

All you have to check before putting your site in production.

Si vous êtes comme moi et vous inscrivez irrésistiblement sur tous les nouveaux services « Web 2.0 », voilà de quoi faire le ménage...

CheckMyColours is a tool for checking foreground and background color combinations of all DOM elements and determining if they provide sufficient contrast when viewed by someone having color deficits.

Check to see if your desired username or vanity url is still available at dozens of popular Social Networking and Social Bookmarking websites

Search over 340 popular social media networks to instantly secure your brand across the social web.

"This extension adds a few extras useful to those that regularly test nightly builds of Firefox, Thunderbird, Sunbird and Toolkit Seamonkey (Suiterunner)."

IE NetRenderer allows you to check how a website is rendered by Internet Explorer 7, 6 or 5.5, as seen from a high speed datacenter located in Germany. Just type in a URL in the field above and try it out - it's free!

check rumors - see if it's true

check rumors - see if it's true

PrevURL is for previewing URLs. You may preview normal URLs like http://google.com or shortened URLs like http://is.gd/w.

Tests if a site is down for everyone or just you

The original qmail-smtpd accepts by default all messages, checking later for the existence of recipients. So, if the message is delivered to not existing recipients, a lot of additional system work and network traffic are generated, with multiple expensive bouncing if the sender is a fake one. chkuser has been developed with the goal to improve the acceptance SMTP phase of qmail-smtpd. qmail-smtpd patched with chkuser may check the existence of e-mail recipients immediately in the SMTP acceptance phase of a message and rejects instantly all messages not directed to existing users, avoiding additional traffic, work and messages bounced more times.