Does Google rank a page higher because of valid code? The short answer is
no, even though I tested it on a small scale test with different results.
Google doesn’t care if your page is valid html and valid css. This is clear –
check any top ten results in Google and you will probably see that most
contain invalid HTML or CSS. I love creating accessible websites but they are
a bit of a pain to manage when you have multiple authors or developers on a
site.
If your site is so badly designed with a lot of invalid code even Google and
browsers cannot read it, then you have a problem.
Where possible, if commissioning a new website, demand at least minimum
accessibility compliance on a site (there are three levels of priority to meet),
and aim for valid html and css. Actually this is the law in some countries
although you would not know it, and be prepared to put a bit of work in to keep
your rating.
Valid HTML and CSS are a pillar of best practice website optimisation, not
strictly search engine optimisation (SEO). It is one form of optimisation Google
will not penalise you for.
no, even though I tested it on a small scale test with different results.
Google doesn’t care if your page is valid html and valid css. This is clear –
check any top ten results in Google and you will probably see that most
contain invalid HTML or CSS. I love creating accessible websites but they are
a bit of a pain to manage when you have multiple authors or developers on a
site.
If your site is so badly designed with a lot of invalid code even Google and
browsers cannot read it, then you have a problem.
Where possible, if commissioning a new website, demand at least minimum
accessibility compliance on a site (there are three levels of priority to meet),
and aim for valid html and css. Actually this is the law in some countries
although you would not know it, and be prepared to put a bit of work in to keep
your rating.
Valid HTML and CSS are a pillar of best practice website optimisation, not
strictly search engine optimisation (SEO). It is one form of optimisation Google
will not penalise you for.
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