I take it the author is not a fan of w3schools.com, a web site that's been around for a very long time and is highly ranked for many html-related queries. Pers

I take it the author is not a fan of w3schools.com, a web site that's been around for a very long time and is highly ranked for many html-related queries. Personally I find most of their content to be pretty decent, so I wouldn't filter it out as a rule.