As the title says, I run my website on a W3C validator and seen some errors, and it says that it has a SEO score of how important it is. And I have W3C errors and having at least over 100 errors.
So I was doing some researching and a lot of people are saying it is important to do correct W3C validation because of google crawlers.
Can anyone shed some light on this? Worry about W3C or not?