Internet

Pingdom.com Pingdom.com- Website speed test tool to analyze the load speed of websites, find bottlenecks, and learn how to resolve them. Dareboost.com Dareboost.com- Website speed and quality test delivering optimization recommendations about speed, SEO, security. Gtmetrix.com Gtmetrix.com- The tool gives insight on how well a website loads and provides actionable recommendations on how to optimize it. MySiteSpeed.com MySiteSpeed.com- Simple, instant website connection speed checking with information about DNS resolution, connection time, download time and speed. WebPagetest.org WebPagetest.org- Free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations. PageSpeed Insights PageSpeed Insights- Tool analyzes the content of a web page, then generates suggestions to make that page faster. Websiteoptimization.com Websiteoptimization.com- Tool to test web page size, composition, and download speed. Lists recommendations for speed improvement. Broken Link Checker Broken Link Checker- Simple tool to inspect links on a web page for their server header status code. Broken Links Finder Broken Links Finder- Simple tool to find broken links on web websites. Broken Link Checker Broken Link Checker- Checks entire websites for broken links in HTML, PDF, CSS, and Flash documents. Broken links at a glance Broken links at a glance- Online link checking tool to test the HTTP response codes of a website for up to 1000 links. Deadlinkchecker.com Deadlinkchecker.com- Check single pages or whole websites for broken URLs. Scans websites, images and other linked resources. Brokenlinkcheck.com Brokenlinkcheck.com- Checking tool to validate hyperlinks of linked resources. Dead-link-checker.com Dead-link-checker.com- JavaScript based link checker to find broken links. Dr. Link Check Dr. Link Check- Link validation tool for detecting broken and blacklisted links on websites. Link Valet Link Valet- Tool to check the validity of linked resources together with link modification date information. Indiabook - Link Checker Indiabook - Link Checker- The Megrisoft link checker. Basic good/bad link checking service. W3C Link Checker W3C Link Checker- This is a tool to get a deep information about links in a webpage, about errors and link inexistence. Web-sniffer.net Web-sniffer.net- View request and response header of a HTTP connection and HTML source. iPhone 4 Simulator iPhone 4 Simulator- Tool allows to test websites vertically and horizontally on an emulated iPhone 4. Android Emulators Android Emulators- In-browser Android emulators for testing on different Android versions and with different screen resolutions. Netrenderer.com Netrenderer.com- Allows to check how a website is rendered by Internet Explorer 11, 10, 9, 8, 7, 6 or 5.5, as seen from a high speed internet location. Browser Simulator Browser Simulator- Test web pages and headers by simulating a variety of browser parameters such as user agent, referer, cookies, GET/POST, and other options. Browserling.com Browserling.com- Live interactive cross-browser testing. Allows to test websites in Internet Explorer, Chrome, Safari, Firefox, and Opera. Browsershots.org Browsershots.org- Tool to take screenshots of web pages in different operating systems and browsers. Contrast Ratio Tool Contrast Ratio Tool- Simple tool to calculate color contrast ratios. Contrast-Finder Contrast-Finder- The tool evaluates the contrast ratio of two colors and provides alternative colors with better contrast. Readability Test Readability Test- A variety of reading level algorithms help to determine how easily readable the content of a specified web page is. AccessLint AccessLint- Accessibility checker that lists problems which need review. Tenon.io Tenon.io- Tool helps to identify 508 and WCAG 2.0 issues. Algorithms help to prioritize what to fix first. Accessibility Code Sniffer Accessibility Code Sniffer- The tool checks pasted HTML code and detects violations of all levels of WCAG 2.0 and Section 508 guidelines. Check My Colours Check My Colours- Tool allows to analyze the colors of any webpage to verify optimal contrasts for better accessibility. Vamolà Web Accessibility Checker Vamolà Web Accessibility Checker- Tool to check websites, uploaded or pasted HTML against Allegato A L.4/04 and WCAG 2.0 (Level A to AAA) accessibility guidelines. Cynthia Says Cynthia Says- The tool allows to tests websites against predefined checkpoint groups to validate it against various accessibility guidelines. Juicy Studio: Colour Contrast Analyser Juicy Studio: Colour Contrast Analyser- Uses the W3C algorithm to check for sufficient contrast between background and foreground colours. ATRC Web Accessibility Checker ATRC Web Accessibility Checker- Analyses a page for conformance with WCAG 1.0 and 2.0, BITV 1.0, Section 508, and the Stanca Act. Web Accessibility Analysis Web Accessibility Analysis- A combined interface for a collection of tools for web standard and accessibility testing. Site Valet Site Valet- Tool to check websites for quality, accessibility and web standards compliance. OCAWA Accessibility Validator OCAWA Accessibility Validator- Standing for Operational Control and Analysis for Web Accessibility. OCAWA tests the accessibility of websites using international accessibility sta… Color-Blind Design Evaluation Color-Blind Design Evaluation- Tool to show what website colors look like to color-blind people. Accessibility Color Wheel Accessibility Color Wheel- A tool to help choose a color pair with good contrast and suitable for text and background of accessible sites. It simulates also various kinds of color… Color Vision Color Vision- Test website foreground/background colors for contrast and clarity to color blind visitors. WAVE 3.0 Accessibility Tool WAVE 3.0 Accessibility Tool- Online tool checks page accessibility, displays page with tags to show good and bad points. Webthing Accessibility Valet Webthing Accessibility Valet- Tool allows to validate different accessibility levels of websites. Vischeck Vischeck- Allows the user to see the world as color blind people see it. Checks by images and urls. Colorblind Web Site Filter Colorblind Web Site Filter- View web pages through the eyes of visitors with three different types of color blindness. Google Merchant Blog Google Merchant Blog- Updates on Google Base and the Google Merchant Center. GoogleMan GoogleMan- A weblog with a mission to organize the world's information by first organizing Google's info. Google Tutor Google Tutor- Tips for using Google, and related subjects. Matt Cutts Matt Cutts- A Google associate gives insight into the company, search engine index updates and SEO issues.