Speak for yourself. The W3Schools site has a clean information architecture, short chapters on topics and working example code with a sandbox.
The MDN site on the other hand is a pure technical reference site, like PHP.net.
Considering that search works by way of matching search phrases to site text, it's not at all surprising that Stack Overflow and W3Schools rank higher than the reference manual sites.
The MDN site on the other hand is a pure technical reference site, like PHP.net.
Considering that search works by way of matching search phrases to site text, it's not at all surprising that Stack Overflow and W3Schools rank higher than the reference manual sites.