Add XML decl. Fix backslash. Where Which file to correct these errors? Break before BR. Uppercase tags.
Then there is also the CSS validator, which you may need too:. You have two meta keyword entries on that page, so maybe it's warning you that the second one doesn't belong there. Show body only.
Hopefully it can speed up your workflow and make life easier for you. I want to check if there are any errors in my coding.
The Pro version has these same features and a batch wizard and customizing capabilities, while Enterprise has all the Pro capabilities and features along with priority support, extra TNPL functionality and enhancements to the batch wizard. Debugging HTML.
If you can't work out what every error message means, don't worry about it — a good idea is to try fixing a few errors at a time.
The web would probably not be as popular as it is today, if it had been more strict from the very beginning.30: How to Validate a Website - Check Website for Errors & Bugs - Learn HTML & CSS - HTML Tutorial
Here, the error message is relatively easy to understand — "unterminated double quote string". Writing HTML is fine, but what if something goes wrong, and you can't work out where the error in the code is?
So you can see from the above example that you really want to make sure your HTML is well-formed! Numeric Character Refs. The service doesn't include a lot of extras like spell checkers or link checkers, but it provides links where you can run those tools on your site.
An attribute missing a closing quote can result in an open element because the rest of the document is interpreted as the attribute's content.