HEATKEYS

The extension Adblock Plus for Chrome is the best and most flexible ad blocker available. With the existing filter lists it can block almost all advertisements on the web.

Webutation scan's websites against ongoing malware scripts and collects realtime user feedback and experience. It is free & open! Safe Surfing!

The Web

WOT is a community-based, free safe surfing tool for browsers that provides website ratings & reviews to help web users as they search, surf & shop online.

From AboutUs: See what information we have on Wiki and share your knowledge.

Huge selection of twitter buttons/icons for blog, homepage or any other website. Easy to install.

AdvertPro is a complete ad management platform for publishers and advertisers who require ad serving, targeting, tracking and real-time reporting.

Scan websites with multiple engines to check if the site is safe to browse. Security tools for webmasters. Free internet service.

URL Mapping and links cross domains..

Website down or up time ? Is this website down for everyone or just me? Do an independent, real-time website availability check if a site is down right now or not working.

urlQuery.net is a service for scanning URLs and detecting web-based malware. It provides detailed information about the actions a browser takes while visiting an site.