Site advisors, Link scanners and E-mail identifiers

Site advisors are add-ons that report on the safety of websites usually using colors to represent the safety or danger level of websites. This colors are usually green for safe sites, yellow for suspicious or spamming sites, and red for dangerous sites.
They usually stop the loading of potentially malicious sites to protect the user. 

EMail ID is a
browser plug-in that helps identify legitimate email messages in the inbox.
Site advisors
For Mozilla Firefox 3.0+ and Internet Explorer 5.5+ (32-bit only). Firefox version works on all operating systems supported by Firefox 3.0+. IE version works on Windows 2000, XP and Vista (32-bit and 64-bit).

It reports on the safety of web sites by crawling the web and testing the sites it finds for malware and spam.
The main version is available for IE and Mozilla Firefox. Click here to go to the download page of SiteAdvisor for Google Chrome.

Note: SiteAdvisor has received criticism for incorrectly flagging web sites with a caution or warning label.

Available for IE, Firefox & Chrome.

Available for Firefox & Google Chrome.

Site advisers based on user ratings

WOT uses an intuitive traffic-light style rating system to help Internet users stay safe as they search the web. It is available for IE, FirefoxChrome, Safari & Opera. It works with Google, Yahoo!, Gmail, Wikipedia, Digg,, AOL, Bing and other popular sites. 

Web Security Guard from Crawler
System Requirements: 15MB of free disk space
Supported OS: Windows XP, Vista or 7
Supported web browsers: Internet Explorer 6 and higher, or Mozilla Firefox 2.0 or higher.


LinkExtend provides meta-site-ratings for computer safety, child safety, company ethics, and popularity. Safety results come from eight online services.
Available for Firefox, Internet Explorer and Google Chrome.
Click here to see more info, ratings, and reviews at

Available for Firefox & Google Chrome.
Link scanners

AVG LinkScanner
Scans for active malicious threats on a website.
Works with Internet Explorer, Firefox, Chrome (Active Surf-Shield only), and Opera (Active Surf-Shield only) browsers.
AVG LinkScanner for Mac

BitDefender TrafficLight
Features: Search results scanner, Anti-phishing, Antivirus web filter, & Social network links scanner.
Supported OS: Windows, Linux & Mac OS X   Supported browsers for Windows: Most browsers  Supported browsers for Windows, Mac OS X & Linux: Chrome, Firefox & Safari.     

Social Network Scam Protection

Anti Phishing
Verify that the website you're on is legitimate and not a phony.
Features: Verify the authenticity of websites Browser-independent verification
Access a website's security credentials

Content filtering web applications
WebFilter by Cloudacl
Available for Chrome & Firefox.
Safe Browser is the iPhone & Android version of Web Filter. 
Both can be set-up to block or unblock specific categories.
The following nine security categories are supported in the blocking setup:
1. Sites hosting spyware, virus, fishing & frauds
2. Adult sites
3. Sites related to abused drugs.
4. Bandwidth consuming sites peer2peer, online storage
5. Sites including weapon, gambling & questionable content
6. Online gaming sites
7. Online sites used as proxy servers
8. Sites used for spamming
9. Social-networking, dating and media streaming sites
Advisory: Cloudacl has been rated yellow by WOT.


E-mail Identifiers

Iconix eMail ID
Supported Web Browsers: Microsoft Internet Explorer 6.0, 7.0, or 8.0 and Mozilla Firefox 3.0, 3.5
Supported OS: Microsoft Windows XP, Vista, and 7
Click here to see more system requirements and supported Email programs.

Trend Micro eMail ID
Based on Iconix
Supported Web Browsers: Microsoft Internet Explorer 6.0, 7.0, or 8.0 and Mozilla Firefox 2.0 or 3.0
Supported OS: Microsoft Windows XP and Vista
Click here to see more system requirements and supported Email programs.

Email programs supported by both email identifiers
AOL webmail
AIM mail
AT&T Yahoo! Mail
Yahoo! Mail
MSN Hotmail
Windows Live Hotmail
Gmail (standard and basic)
Earthlink web mail
Microsoft Outlook 2003 and 2007
Microsoft Outlook Express 6.0