A previous Firefox study in 2015 showed that there was a reduction in median page load time on top News websites of 44%. While the feature is meant to help keep users from being tracked when they have explicitly opted to use Private Browsing, the side effect is a much faster browsing experience on websites which attempt to load content from URLs on the tracking list. This list is a balanced approach to blocking and does not include sites that obey Do Not Track (as defined in the EFF guidelines). Tracking Protection, as the name implies, blocks resources from loading if the URL being loaded is on a list of known trackers as defined by Disconnect’s Tracking Protection list.
In 2015, Firefox became the only browser to include Tracking Protection enabled by default in Private Browsing mode. Unfortunately trackers can delay the completion of page loads while the browser waits for tracking scripts to respond. The use of trackers on websites is very common. Trackers are used for a variety of reasons including everything from website analytics to tracking website engagement for the purposes of targeted advertising. Websites have the ability to load content and run scripts from a variety of sources. Why would Private Browsing performance be any different? Firefox Quantum’s Private Browsing is fast…. But, what about Private Browsing? Given that Private Browsing use is so common, we wanted to see how Firefox’s Private Browsing compared with Chrome’s Incognito when it came to page load time (that time between a click and the page being fully loaded on the screen).
Most browser performance benchmarks focus on the use of a regular browsing mode.
By using key performance benchmarks, we were able to optimize Firefox to eliminate unnecessary delays and give our users a great browsing experience. It is twice as fast as Firefox 52 and often faster than the latest version of Chrome in head to head page load comparisons. to compare page load times between desktop versions of Chrome’s Incognito mode and Firefox Quantum’s Private Browsing.įirefox Quantum is the fastest version of Firefox we’ve ever made. With the launch of Firefox Quantum, Mozilla decided to team up with Disconnect Inc.
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