Updates to Warm Page Load Tests
Background We have recently begun the process of updating our warm page load tests to be more representative of real user behavior. Cold page load is defined as the first … Read more
Background We have recently begun the process of updating our warm page load tests to be more representative of real user behavior. Cold page load is defined as the first … Read more
In October there were 303 alerts generated, resulting in 45 regression bugs being filed on average 5.2 days after the regressing change landed. Welcome to the October 2021 edition of … Read more
Background mitmproxy is a third-party tool that we use to record and play back page loads in Firefox to detect performance regressions. The page load is “recorded” to a file: … Read more
As the Perf-Tools team, we are responsible for the Firefox Profiler. This newsletter gives an overview of the new features and improvements we’ve done in Q3 2021. This is our … Read more
In September there were 174 alerts generated, resulting in 23 regression bugs being filed on average 6.4 days after the regressing change landed. Welcome to the September 2021 edition of … Read more
In August there were 126 alerts generated, resulting in 16 regression bugs being filed on average 3.6 days after the regressing change landed. Welcome to the August 2021 edition of … Read more
The Firefox Profiler and its overhead Firefox includes its own profiler: Visit profiler.firefox.com to enable it, and the user documentation is available from there. The main advantages compared with using … Read more
In July there were 105 alerts generated, resulting in 20 regression bugs being filed on average 6.6 days after the regressing change landed. Welcome to the July 2021 edition of … Read more
In the last six months the Firefox performance team has implemented changes to improve startup, responsiveness, security (Fission), and web standards. Startup and perceived startup Doug Thayer and Emma Malysz … Read more
In June there were 119 alerts generated, resulting in 22 regression bugs being filed on average 3.7 days after the regressing change landed. Welcome to the June 2021 edition of … Read more
Since last “What’s new in Perfherder” article a lot has changed. Our development team is making progresses towards automating the regression detection process. This post will cover the various improvements … Read more
In this blog post we’ll talk about what the Firefox Performance team set out to achieve for 2021 and the Firefox 89 release last month. With the help of many … Read more