Internet

DeWitt Industries DeWitt Industries- Interactive graphics to create icons, buttons, and banners. Animation Online Animation Online- Button and banner generator. Acme Labelmaker Acme Labelmaker- Create graphics like the old-style labelmakers. The Banner Generator The Banner Generator- Banner creation from templates, with customizable options. Cool Text Cool Text- Image creation package that allows choice of objects, colors, and lighting. FormLinter FormLinter- Tool helps to find common usability and accessibility issues in HTML forms. JSON Validator JSON Validator- Tool to validate JSON files against RFC 4627. XML Sitemap Validator XML Sitemap Validator- Tool to validate xml sitemap files and inform search engines about the sitemap location. Google AMP Validator Google AMP Validator- Tool to validate the markup of Accelerated Mobile Pages (AMP). WebVTT Validator WebVTT Validator- Tool to validate different kinds of WebVTT files like subtitles, captions, descriptions, metadata, and chapters. .htaccess check .htaccess check- Tool to validate .htaccess files and check for syntax errors. JSON Validator JSON Validator- Tool allows to validate and reformat JSON code. W3C Unicorn Validator W3C Unicorn Validator- Tool to validate (X)HTML, CSS, Mobile OK, RSS and Atom feeds, HTTP headers and internationalization (i18n) at once. .htaccess Validator .htaccess Validator- Online tool to validate the syntax of .htaccess files. Allows to specify and limit the number of Directives to check. Structured Data Testing Tool Structured Data Testing Tool- Simple Google tool to validate and test structured data in websites. PowerMapper Sortsite PowerMapper Sortsite- Scan tool to test and validate web sites for a variety of governmental requirements, web standards and best practices. Structured Data Linter Structured Data Linter- Analyze websites, local files or pasted markup for structured data. CSS Lint CSS Lint- CSS testing tool with multiple options to choose which errors and warnings to test for. hCard Microformat Validator hCard Microformat Validator- An unofficial validator and conformance checker for the hCard microformat. W3C HTML Validation Service W3C HTML Validation Service- A free service from W3C that checks HTML and XHTML code against the W3C Web Accessibility Guidelines. Web Authoring - Validation Web Authoring - Validation- Mark Freeman on free web site validation, featuring HTML, META Tag, Cascading Style Sheet, Accessibility and Link Validation. W3C CSS Validation Service W3C CSS Validation Service- The tool allows to check all levels of CSS code for validity. Sources can be specified by URI, file upload and direct input. Robots.txt Validator Robots.txt Validator- Tool to check the syntax of robots.txt files. Robots.txt Validator Robots.txt Validator- Online utility to validate the syntax of a robots.txt file. Robots.txt Creation & Validation Robots.txt Creation & Validation- Creator tool helps to create a new robots.txt file and the validator allows syntax checks of robots.txt files. Robots.txt Syntax Validator Robots.txt Syntax Validator- Robots.txt validation tool to test for syntax errors. Responsinator Responsinator- Tool to test responsive websites on different device resolutions. Search Console Mobile-Friendly Test Search Console Mobile-Friendly Test- Google tool to test if a web page is mobile-friendly. Ready.mobi Ready.mobi- Tool allows to analyze a web page and report if it has a mobile-friendly design along with technical optimization recommendations. Screenfly Screenfly- Tool to preview web pages in a variety of predefined screen resolutions including desktops, tablets, televisions, and mobile phones. Responsivepx.com Responsivepx.com- Allows to adjust the width and height of the viewport to test responsive design. Works with local and online URIs. Mobile-Friendly Test Mobile-Friendly Test- Google tool to analyze a web page and report if the page has a mobile-friendly design and gives optimization recommendations. Responsivetest.net Responsivetest.net- Forkable tool to test responsive web design in various predefined and custom resolutions. Responsive Web Design Test Responsive Web Design Test- Simple tool to check the responsiveness of a web page in common, predefined devices resolutions. Viewport Size Viewport Size- Tool to quickly check the current brower's viewport size. Webpagesize Webpagesize- Tool to preview web pages in a variety of predefined screen resolutions. Am I Responsive Am I Responsive- Test web pages for responsive design across 4 different viewports, desktop, laptop, ipad and iphone. Responsive Design Testing Responsive Design Testing- Simple tool to test a specific web page for responsiveness in predefined resolutions. Responsive Design Checker Responsive Design Checker- Tool to test if a website uses responsive design and how it looks on different screen sizes, like smartphones and tablets. Anybrowser - screen size testing Anybrowser - screen size testing- Allows to test how web page appear at low screen resolutions - e.g. webtv, 640x480, 800x600. Regular Expression Tester Regular Expression Tester- JavaScript-based tool to test regular expressions and highlight matches. Uses XRegExp library for enhanced features. RegExr.com RegExr.com- Regular expression tester with syntax highlighting, contextual help, video tutorial, reference, and searchable community patterns. Regular Expression Tester Regular Expression Tester- Visual regular expression (regex) testing tool for JavaScript, Python, and Perl (PCRE). Regular Expressions 101 Regular Expressions 101- PCRE-based regular expression tester with real time explanation, error detection and highlighting. RegexPal.com RegexPal.com- Tool to test Javascript and PCRE regular expressions online. Rubular.com Rubular.com- A Ruby-based regular expression editor and tester. HTTP Gzip Compression Test HTTP Gzip Compression Test- Tool to check if a server has Gzip compression enabled. Progressive JPEG Checker Progressive JPEG Checker- Tool to check if a (progressive) JPEG file displays a low-resolution version of the image in the web browser while the full image is downloading. SPDYcheck.org SPDYcheck.org- Allows to check if a website properly supports the SPDY protocol and helps troubleshooting problems with the configuration. Website Speed Test Website Speed Test- The tool checks page load speed from 20 global locations with real web browsers: IE, Chrome, Firefox, and mobile browsers.