Mozilla Finds Tracking Protection in Firefox Decreases Page Load Time for Websites by 44%

Monica Chew of Mozilla, along with George Kontaxi, presented an article about ‘Tracking protection in Firefox for privacy performance‘ for ‘Web 2.0 Security and Privacy 2015 workshop’, for which they received the best award two days ago.

READ: How to enable tracking protection (Polaris) in Firefox?

They performed performance reviews for the top 200 Alexa news sites after enabling tracking protection in the Firefox browser and found a reduction in page load times by 44%.

Monica shared this information on his blog: “My article with Georgios Kontaxis won the best article award at the Web 2.0 Security and Privacy workshop today! Georgios has re-run performance reviews on major news sites and the decrease in page load time with tracking protection enabled is even greater (44%!) than in our Air Mozilla keynote last August due to the prevalence of third-party content embedded in news sites. You can read the paper here.”

Enabling Tracking Protection in Firefox

Tracking Protection has been available since Firefox 34 but is not enabled by default, here’s how you can

1. Visit about:config

2. Find and change privacy.tracking protection.enabled value for ‘real’.

After enabling the tracking protection feature, you will find a shield in the location bar whenever Firefox blocks tracking domains or mixed content (check the screenshot below).

When the shield icon appears, the user will have the option to disable protection for that site.

Note: Firefox’s initial tracking protection block list is based on disconnect.

If you’re interested in knowing which resources are blocked from loading, open the Web Console (use Ctrl+Shift +K on Windows) and look at the messages.

Here is the summary of the document:

Summary—Introducing Tracking Protection in the Mozilla Firefox browser. Tracking Protection is a new privacy technology to mitigate intrusive tracking of users’ online activity by blocking requests to tracking domains. We evaluated our approach and demonstrated a 67.5% reduction in the number of HTTP cookies set during a crawl of the top 200 Alexa news sites. Because Firefox does not download and process content from tracking domains, Tracking Protection also enjoys performance benefits of 44% average page load time reduction and 39% reduction in data usage across the top 200 news sites in the world. Alexa.

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