Why fix errors in HTML code
Checking and correcting errors in the code is an important part for SEO optimization and for the operation of the site!
Affects:
- on loading/display speed
- for display in different browsers
- to promote the site in search
Check your site for errors in this resource - https://validator.w3.org/nu/
This resource only shows errors in the site's HTML code.
What happens if you don't fix it?
Take a close look at the last error. If there is an inscription «Fatal Error», this means that there are more errors on your site, but after this one it is simply impossible to count all the others.
If you fix errors on the main page, there will be fewer of them on other pages. For a complete correction, you need to edit all pages of the site.
Having corrected errors for one product, it is likely that errors will also disappear for all other products, since they use the same template.
Sometimes (albeit rarely) fixing an error can entail a large chain of rework. This is usually due to the fact... ... however, you don’t have to delve into the nuances now. If I don’t correct some error, I will give a full explanation of why I had to leave it.
You decide for yourself whether to fix only critical errors «Error» or all errors along with warnings «Warning»