W3C Markup Validation Service Reviews and details

Social recommendations and mentions

• What is cross-browser compatibility, and why should you care?

  Validate Your Code Include tools like W3C code validation service and CSS validator to ensure your code meets web standards. - Source: dev.to / about 1 month ago

• What You Need to Know About Domain and Hosting

  ===> Click here to run your code through the HTML validator. - Source: dev.to / 4 months ago

• Is my code good ?I'm a beginner

  Try looking at tools like https://validator.w3.org/. Source: 5 months ago

• Searching for the *old* W3C XHTML/CSS validator or something of equivalent functionality

  I'm looking for either that specific validator (older version of https://validator.w3.org/) or an equivalent that can validate pre-HTML5 (DTD-based) files in a similar fashion. I would appreciate any pointers in the right direction. Thanks in advance. Source: 10 months ago

• Is there an addon that will allow me to see CSS errors in the HTML and CSS?

  Not an addon, but maybe it helps Https://validator.w3.org/. Source: 11 months ago

• SEO issues with React/NextJs

  Issues like missing h1 and the like: this most probably has nothing to do with react / next. Make sure your html structure is correct and elements are used correctly. Check here https://validator.w3.org/. Source: 11 months ago

• (HTML) Can someone tell me what’s wrong with this code? It says I’m doing it wrong but it looks right to me

  Https://validator.w3.org/ Try pasting your html into a validator when you’re stuck, helpful to debug. Source: 12 months ago

• Help Please :')

  Can't help you on the bootstrap side, but run your HTML and CSS through https://validator.w3.org/ to see what errors in your code you might be able to correct. Source: about 1 year ago

• Nav not displaying correctly in Safari

  I would run the code through a W3C validator to see if all is correct https://validator.w3.org/. Source: about 1 year ago

• Need help with HTML

  I would suggest you to use a HTML validator. A quick google search will show you a few of them. The first result most likely will be a https://validator.w3.org/. In My experience it works well and would help you with this type of problem. Source: about 1 year ago

• My website's layout is EXTREMELY weird on mobile, please help! It's like divided in half?

  Back to basics, but have you tried validating both your HTML and your CSS? Source: about 1 year ago

• WELP

  The first thing to do when your HTML isn't working as you're expecting it to is to validate it. The tool will catch stray tags or typos and provide useful feedback. Source: about 1 year ago

• What was going on in the web development world that XHTML was designed to address? Was it successful?

  In this context, "must have" means "to pass the W3C validator," because in the long run, XHTML 2.0 was meant to be read only by browsers that could parse XML (not HTML). No XML, no content shows up (either XML on the browser end, or proper XHTML on the author end). Source: about 1 year ago

• Learning to make websites and need practice, does anyone want a website for free?

  When you do a few different sample sites it will give your future clients something to be sold on. Make each site different - do at least one without bells and whistles (i.e. No Javascript, etc), one using something like PHP, etc. Helps to show clients your range. And validate every site using something like validator.w3.org and fix any issues reported. Source: over 1 year ago

• I just took an HTML5 assessment and I was surprised how bad I did.

  HTML validation is kinda irrelevant since it's up to browsers to interpret your HTML and they don't follow the standards perfectly. Errors that the validator finds may not have any impact on real-world use, and problems that show up in browsers may not be found by the validator. For instance, I just tried running a site through validator.w3.org and it gave an error because it thinks the pipe symbol (|) is not... Source: over 1 year ago

• Noob making an attempt at text replacement?

  Are you writing this HTML yourself? It's malformed (throw it into the official W3 validator to check). Source: over 1 year ago

• What is the W3C VALIDATOR?

  The w3c validator is one of the many HTML validators that checks your HTML markup to see if you are following the rules for constructing proper HTML. Source: over 1 year ago

• How To Validate Your HTML5 Code Using An Online Validation Service | W3C...

  This will be a video tutorial on how to find and fix html coding errors using an online validation service. For this tutorial I will be using the W3C validator https://validator.w3.org/. Source: over 1 year ago

• Finally, I designed and built my Portfolio

  Thirty-three (33!) errors and warnings (mostly errors) on the W3 validator: https://validator.w3.org/. Source: over 1 year ago

• Every time..

  Https://validator.w3.org/ this site will give you all the validation errors your need. Source: over 1 year ago

• Should I use this tool?

  I was analysing a website, and used a tool (https://validator.w3.org/) to analyse the code . I found the following Error message:. Source: over 1 year ago