Google just launched the Site Performance tool, an experimental feature in Webmaster Tools that shows you information about the speed of your site and suggestions for making it faster.
It's likely 2010 will be "the year of site speed" and this feature can become a really important information point. However, I just noticed a really weird behavior. Look at the following screenshot.
Enable Ggzip compression
WTF?!? All the assets are linked from Google and Google does gzip compression. Why Google is saying Google is not Gzipping?
Headers don't lie.
Hey Google, that would be great but I can't combine these libraries. You should combine them since you are serving the content and considering you are motivating webmasters to use your service.
Minimize DNS Lookup
Sorry, it's not my fault again.
Combine external CSS
Yeah, I would be happy to do so but one style is for
screen. I know, I could embed the media type directly in the CSS definition, but also you could understand they are here for different purposes.
In conclusion, 3 of 4 Google suggestions depends Google itself. Has anyone here noticed a similar behavior?