SEO Workers Firefox Add-Ons Collection

by John S. Britsios (Webnauts)

15 Add-ons in this Collection

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,007 reviews

1,229,698 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 263 reviews

323,627 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Web Developer by chrispederick

Rated 5 out of 5 stars 246 reviews

461,940 users

The Web Developer extension adds various web developer tools to the browser.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 170 reviews

142,393 users

View HTTP headers of a page and while browsing.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 358 reviews

135,632 users

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Html Validator by Marc Gueury

Rated 4 out of 5 stars 215 reviews

50,947 users

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Online HTML 5 validation, you need 0.962
http://users.skynet.be/mgueury/mozilla

WCAG Contrast checker by Rumoroso

Rated 4 out of 5 stars 9 reviews

4,471 users

Checks for compliance with the contrast levels, brightness and shine in the color combination of foreground and background of textual content based on the requirements of WCAG 1 and WCAG 2.

Juicy Studio Accessibility Toolbar by Gez Lemon

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Experimental

Rated 5 out of 5 stars 14 reviews

2,006 users

The toolbar enables developers to examine WAI-ARIA live regions roles and properties, examine data tables, and determine if the colour contrast is sufficient.

Operator by Mike Kaply

Rated 3 out of 5 stars 36 reviews

1,794 users

Operator leverages microformats and other semantic data that are already available on many web pages to provide new ways to interact with web services.

OpenLink Data Explorer by OpenLink Software Inc

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Experimental

Rated 4 out of 5 stars 3 reviews

417 users

A tool for generating structured descriptor documents for HTTP accessible resources. HTML+RDFa based Linked Data is the default Descriptor Document format. Other formats are available via page hosted links or content negotiation.

Semantic Radar by CaptSolo (Uldis Bojārs), Sergio Fernández

Rated 5 out of 5 stars 4 reviews

481 users

Displays a status bar icon to indicate presence of Semantic Web (RDF) data in the web page. Click the icon to explore this information in more detail...

Amplify by Clipmarks

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Experimental

Rated 5 out of 5 stars 80 reviews

750 users

Use Amplify to clip, share & spark conversation about excerpts from articles, blog posts, tweets or anything else you read on the web. Amplify supports autoposting to Twitter, Facebook, Wordpress, Posterous, Tumblr & more.

SEO Workers Web Page SEO Analysis Tool by John S. Britsios (Webnauts)

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Experimental

Rated 4 out of 5 stars 3 reviews

401 users

SEO Workers Analysis Tool extension allows you to perform a basic analysis of the page in your browser with a single click. The results from the SEO Workers Analysis Tool are structured into the following useful groups:

General status, meta tags li...

Semantic Checker by Nico Steiner

Rated 3 out of 5 stars 5 reviews

340 users

Checks your document for semantic elements and highlights them.

RDFa Developer by Javier Pozueco Pérez, Sergio Fernández, others

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Experimental

Rated 5 out of 5 stars 2 reviews

139 users

Displays RDFa triples, errors, warnings and executes SPARQL queries

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