1 Firebug
Firebug integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can […]
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1 Screenfly
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1 Tweriod
Tweriod gives you the best times to tweet. We analyse both your tweets and your followers‘ tweets. So you can start tweeting […]
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1 Link Checker
This Link Checker looks for issues in links, anchors and referenced objects in a Web page, CSS style sheet, or […]
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1 CSS Lint
Automated linting of Cascading Stylesheets.
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1 Robots.txt Test Tool
Robots.txt Test Tool is an Online-Tool for testing and analysing the robots.txt from your website.
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1 LinkChecker
LinkChecker is a free, GPL licensed website validator. LinkChecker checks web documents or full websites for broken links.
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1 CSS Specificity Graph Generator
The CSS Specificity Graph Generator compiles your stylesheet into a graph to visualize the specificity of your CSS selectors.
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1 sizersoze
Download, Online-Tool, Script / Library
This tool evaluates the savings by resizing images to various viewports, with the goal of fitting images into a »performance […]
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Like ColorZilla
Advanced Eyedropper, ColorPicker, Gradient Generator and other colorful goodies…
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Like WhatTheFont
Seen a font in use and want to know what it is? Submit an image to WhatTheFont to find the closest […]
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Like Color Hunter
create and find color palettes made from images
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Like Google Analytics
Google Analytics is the enterprise-class web analytics solution that gives you rich insights into your website traffic and marketing effectiveness. […]
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Like Loads.in
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Like Under The Site
“I wonder how that site works?” Use UnderTheSite to find the answer! We detect and catalog the technologies used by your […]
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Like resizeMyBrowser
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Like W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
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Like W3C CSS Validation Service
The W3C CSS Validation Service is a free software created by the W3C to help Web designers and Web developers […]
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Like W3C Unicorn – W3C’s Unified Validator
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Like PinReach – Pinterest Analytics
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Like Counting Tweets
Display number of tweets for links on websites.
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Like Pingdom
Test the Load Time of a Web Page. Enter a URL to test the load time of that page, analyze […]
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Like Detect Facebook ID
Detect Facebook-User-ID or Facebook-Page-ID by URL.
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Like Google Tag Manager
Want to focus on marketing instead of marketing technology? Google Tag Manager lets you add and update your website tags, […]
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Like MQtest.io
A simple tool to help identify which media queries your device responds to.
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Like Palm Reader
Showing what @media features your device can and can’t see. Various media query tests are listed on this website, the […]
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Like Ringmark
Ringmark is a web-based test suite that measures how well a mobile browser supports the capabilities that modern mobile web […]
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Like Countable.js
Countable is a JavaScript function to add live paragraph-, word- and character-counting to an HTML element. Countable does not rely […]
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Like Helium
Helium is a tool for discovering unused CSS across many pages on a web site.
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Like WP-Theme Detector
WP-Theme Detector is a tool that will analyze any WordPress Website for you and will display a whole lot of information […]
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Like Revenge.css
Revenge.css is a CSS bookmarklet that reports bad html using pseudo content.
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Like Fontface Ninja
Fontface Ninja is a tool to explore fonts within a website.
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Like CSS Stats
Online-Tool to visualize various stats about css.
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Like Purify
Purify is a function that takes content (HTML/JS/PHP/etc) and CSS, and returns only the used CSS.
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Like Broken Link Checker
Broken Link Checker is an Online-Tool which scans webpages for bad hyperlinks.
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