Dear visitor! Welcome to Bad HTML. With this website we want to teach you the best web design practices to avoid Bad HTML. Find here everything you need to know to build the most user-friendly website ever!
Today is 2024 July 15, Monday
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Raising Awareness For Bad HTML Practices
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HTML Validation

There are many tools which we can use to validate our HTML, CSS and JavaScript code. Fortunately most of these are free online tools which turn back the results instantly so we can make the required adjustments. There are many browser extensions which analize the sites while you're browsing them.

W3C HTML Markup Validator

W3C validator HTML CSSAll you have to do is input the web address of a page, hit the Check button and the HTML validator will return all warnings and errors a web page source contains.

CSS Validator by V3C

Similar to the HTML validator, you can look for errors and warnings in the CSS stylesheet.

XML Validator

XML is used to create common information formats and share both the format and the data. Check the syntax of an XML (eXtensible markup language)

Broken Link Checker

Avoiding broken links and missing files on our site is crucial.

The online broken link checker is a great tool to parse the whole website for URLs pointing to invalid targets.

Google Mobile-Friendly Test

google mobile friendly testWe have dedicated an article on this website to draw attention to the importance of the website responsiveness. Google has its own online tester that analizes the mobile-friendliness of a page. Getting negative results on this test might motivate you to redesign your website, using a responsive layout to get better search rankings for mobile users.

Speed Test

webpagetest org speed testerWebPageTest.org allows us to test the load speed of a web page from multiple locations and multiple web browsers. Beside the screenshot, and the page load-video we get a waterfall view of the loaded files so we can analize which file takes too long to download.

Please note that in some cases it is impossible to fulfill all validation tests, especially when a website is using a CMS or third-party modules.

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