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I have noticed that one of my slower sites only gets updates on a very occasional basis so maybe Google only gives us an update when it has enough data to compile averages from. Christmas is a very slow period (at least for my site) and the speed tests depend upon the Google Toolbar so maybe Google just hasn't collected enough data for us over the past week or so.
Also there is a statement that appears to indicate that any site not in the fastest 20% is classified as "slow". Very puzzling.
Even if the calculations were wrong, they were a relative bench mark. I could at least tell if changes I was making was having a positive impact on page loading times. Without the updates, I don't know how much impact the changes I made had on overall performance.
I think it might work as a long term tool, short term no. It fluctuates wildly and the stats lag. Not good for real time measuring and tuning.
Maybe they are catching up.
Obviously. Same site now says Dec 28. No need to track dates anymore I guess.
What gets me is that the same site in a span from Aug through Dec (per Google's graph) is showing performance from being in the green area (fast one) to up to over 25 seconds.
Just two days ago, this particular site has been optimized by using suggestions from Page Speed and it is getting the overall green checkmark (nice job per that tool).
My thinking is that the next update should show the improvement.
Anyhow, going back to huge discrepancy - will people start blaming their hosts at some point?
I already have Google showing few seconds for all of my PHP redirects. At this moment I don't know if that would be PHP by its nature or slow server issue. Have to do more research.
What I know is that many people tend to blame something else (like hosting company), rather then their code.
Could be. I have a timer running with my php code and it shows consistently page build times in the milliseconds by the php engine of the webserver. So I know for sure that the page is fast enough but external factors are slowing it down.
joined:Feb 28, 2004
Page load time is the total time from the moment the user clicks on a link to your page until the time the entire page is loaded and displayed in a browser. It is collected directly from users who have installed the Google Toolbar and have enabled the optional PageRank feature.