“ What does this mean for developers? The main thing is that there's no longer any advantage to trying to use the same URLs as other sites. You won't get perfor

“ What does this mean for developers? The main thing is that there's no longer any advantage to trying to use the same URLs as other sites. You won't get performance benefits from using a canonical URL over hosting on your own site (unless they're on a CDN and you're not) and you have no reason to use the same version as everyone else (but staying current is still a good idea).”