Best Free Safety Add-ons for Firefox
Web of Trust allows its user community to rate websites in terms of trustworthiness, vendor reliability, privacy and child safety. Its toolbar icon displays the average rating of the page you're currently viewing. Clicking the icon displays the 4 individual ratings and lets you submit your own with a simple mouseclick. Ratings are weighted according to user reliability as well, so it's unlikely that people can forge false ratings for websites. In other words, if WOT tells you a site is unsafe, there is a fair reason for concern.
Links on pages are also rated: their average rating is displayed next to them with an icon.
All in all, WOT is one of the finer website raters. It's been around a long time, has a fairly large community, is developed well and most ratings do appear correct.
Terms of Service; Didn’t Read gives you a quick overview of popular websites' privacy policies and other legal terms. When visiting a supported site, click the new icon in the URL bar to get an overview of the main pros and cons. The developers mainly look at things such as
- the actual privacy of your private data;
- account deletion thoroughness;
- how copyright and ownership is applied to files you upload or create, etc.
You can find the full list of the ratings they've gathered on their homepage.
ToS:DR works very well and displays fairly useful information on sites it supports. The problem is that only major, well-known websites get rated. It has no use at all on less-known websites. ToS:DR is still a young add-on of course, so expect their database to grow. I certainly recommend this add-on if you wish to be wary of legal issues.
LinkExtend is the powerhouse of website raters. It gathers statistics from an impressive number of online rating services, such as WOT, Google Safe Browsing, Scryve, PageRank, SiteTraffic, Alexa, ICRA, McAfee, Norton, SiteAdvisor, Quantcast (which is a web tracker for this exact purpose), etc. It also has a few extra features, such as a filetree-like menu that lists all links, embedded files, scripts, videos, images and frames, a massive collection of search engines and a quick history of previous visits. All of this is visible in a toolbar.
Surprisingly, being the powertool it is and despite the obvious need to constantly poll dozens of online services for ratings, LinkExtend does not have a noticeable performance impact.
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