The Page Speed tab can be used to analyze the active website. A website optimization report will be generated that groups the findings into priorities. The high and medium priority groups list elements that should be optimized to increase the performance of the website. Low priority items on the other hand are fully or partially optimized items that can still provide some performance gains but not as much as the medium or high priority items.

Each entry is listed with a short description, priority and an expanding area that lists the elements that are affected and optimization tips on how to resolve the issue. This usually requires some research on how to implement the optimization, the Page Speed homepage is usually a good starting point as it contains some tips on how to resolve some of the issues. Some issues cannot be solved by the webmaster at all, like compressing or combining externally loaded JavaScript.

The Page Speed Activity tab on the other hand displays a timeline of all browser activities including JavaScript processing which makes it easier to spot scripts and elements that are increasing the loading times.

The data is divided into blocks that define elements like network latency, DNS lookups, connection establishment, and JavaScript processing.

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Image Optimization has become a tad easier with Smush It. Smush It is a web service that can optimize all images on a specific website in one go. It comes as a Firefox extension that adds a button to the Firefox status bar. The other option is to enter an url directly or upload images from a local computer so that Smush It can optimize them.

The system works nicely for webmasters who want to optimize all images on their pages. All that needs to be done is to either click the Smush It button in Firefox or load the website directly on the Smush It page.

Smush It (via Genbeta) will process all images from the selected page and optimize them. The optimized images are then listed on the page with the the size savings shown in percent and bytes.

Each image can be previewed by hovering over it and downloaded the usual way. Ghacks is not using that many images and they had been optimized in the past but Slush It managed to reduce the size by about 2 Kilobytes.

That might not sound much but a size reduction of 2 Kilobytes equals saving 60 Megabytes of bandwidth per day on a site with 30000 visitors and 1.8 Gigabyte per month. It also means that the website will load just a tad faster especially for slow connections.

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