8 Web Tools for Website Validation and Testing

A website represents your company. It must look appealing as well as free from any kind of errors. Most sites look elegant and have an eye-pleasing design but they don’t offer the same experience across all browsers. It’s always viable to validate and test the website before making it live. Here we list some useful online tools which run all necessary tests including CSS Errors, HTML Errors, WAP Errors (if your site is WAP enabled), cross browsing errors, and various other tests to ensure your website remains fault-free.
Webpage analyzer
This free web tool lets you test overall website performance including page size, composition, and download time. It analyzes the web pages script and calculates the size of individual elements, and sums up each type of web page component. It also provides suggestions based on the page analysis to improve page load time.

CSS validator
This web tool validates Cascading Style Sheets (CSS) and (X)HTML documents with style sheets. Just you need to be sure before validating your site that the CSS style sheet is embedded in an (X)HTML document. You should first check that the (X)HTML you use is valid. It provides a full-fledged report about the errors available in CSS and (X)HTML.

W3C markup validation service
Get a detailed validation report of your website’s Web documents in HTML, XHTML, SMIL, MathML, etc. with this tool. You can also validate the specific content of your website using this tool such as RSS/Atom feeds or CSS stylesheets, MobileOK content, or to find broken links, etc.

XML well checker and validator
A sitemap is one of the important element of any website and if it’s not functioned then you can lose potential traffic. This tool helps you to determine the XML document for format and validity. It checks for spaces and syntax errors while pointing to the line number at which the error was spotted.

Robots checker
Robots.txt file gives instruction to the web robots to crawl pages and this tool lets you check whether your file is valid or not. Also, it validates the syntax of a robots.txt file to see if its format is valid as established by Robot Exclusion Standard or if it contains errors. It may show some exclusions you’ve done as errors, but overall they are good pointers to check if the commands will be misinterpreted or not.

Viewlike.us
Nowadays most of the people are browsing the internet over their smartphone or tablets, and this tool helps you determine whether your site is ready for mobile devices or not. This tool tells you about two essential parameters – usability and loading speed. Also it points out some suggestions that can help you optimize your website for mobile devices.

Mobile checker
This tool performs various tests on the website to analyze its level of mobile friendliness. It lets you determine your website’s level of mobile friendliness. These tests are defined in the mobileOK Basic Tests 1.0 specification and if the website passes all the tests, it gives the score accordingly.

Color contrast
You may have done lots of research to choose a color combination for your site, but is it really going to impress visually? This tool tests the color contrast and color brightness between the foreground and background of all elements in the DOM to make sure that the contrast is high enough for people with visual impairments. Also, it suggests the relevant color combination within your HTML and CSS documents.