You might have read yesterday's article titled “Average Page Load Time of Top Ranking Websites in Google.” It conducts a study on the average page loading times of top ranking URLs in Google. You may also be wondering how you can improve the speed at which your own web pages load. Keep reading; this article will show you how to diagnose your technical issues with Google Page Speed.
Google Page Speed is a Firefox plug-in that can help you discover technical issues affecting the average page load time of your website.
Google Page Speed analysis using a Firefox browser measures how optimized the web page is in terms of loading time and provides a quantitative measurement that is known as a “Page Speed” score. This is a rating on a scale from 1 to 100. If a website scores 100, it means it is “perfectly optimized” for fast website loading.
Does Google Page Speed really help in improving a web page's loading speed?
A Google Page Speed score does tell you if your website is still far from completely optimized for speed. As with every other tool, this might not be a perfect measurement or a true indicator of a slow- or fast-loading website.
Because of this doubt, you might ask: Does Google Page speed really help in improving a web page's loading speed? Of course, we cannot directly ask the Google developers about this; instead, the best way to prove this is to study the behavior of this tool with respect to actual website loading time.
What about conducting a correlation study between an actual website's loading time measurement vs. the Google Page Speed score? Well, if there is a “strong” correlation between the two, then you can say that the Google Page Speed score is indeed a strong indicator of a website's loading performance. For example, say we are interested in finding out whether a high Google Page Speed score corresponds to a very fast loading time, and a low Google Page Speed score corresponds to slow loading time for a web page.
Now if it is indeed true that there is a strong and direct correlation between the Google Page Speed score and the website loading time in seconds, then the problem items and solutions outlined by the Google Page Speed analysis (for example, see the screen shot below) should indeed be an effective solution to improving a website's loading time.
Search Optimization 
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