Stephen Cronin's SEO Add-ons
6 Add-ons in this Collection
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
FoxyProxy Standard by Eric H. Jung, groeg, others
FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.
Accelerate your SEO efforts on the fly. SEOquake is a free plugin for browsers that provides you with key SEO metrics for a specific page, along with other useful tools such as SEO Audit and many others.
Display the Google PageRank, Alexa rank, Compete ranking and SEOmoz Linkscape mozRank anywhere in your browser, along with fast keyword density analyser, keyword/nofollow highlighting, backward/related links, canonical links, WHOIS, robots and more.
Link Evaluator works as an enhanced Link Checker. When started, it attempts to download the Web page behind each link and searches for 2 customizable sets of phrases - one for "red-flag" phrases and one for "green-flag" phrases.