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developer.chrome.comChrome ad measurements | Ads | Chrome for DevelopersUser ad experiences in Chrome.

Ad Count is the average number of ads in the viewport. Ad Density is the average % of the viewport area occupied by ads. Ad Weight: Network is the total network KB fetched by ad scripts and frames. Ad Weight: CPU is milliseconds of CPU time used by ads frames. developer.chrome.com/docs/ads 2/8

We think these are some of the key measures of ad experiences and are excited to share this data. It's difficult to measure these types of metrics given technical constrains on the web platform, so CrUX is in a unique position to publish this data. 3/8

cruxvis.withgoogle.comCrUX VisCrUX Vis is a tool by the Chrome team to help you explore the Chrome User Experience Report (CrUX) data with visualizations and helpful links to articles, for a particular web page or origin.

The metrics are available in the CrUX API and the CrUX History API today and you can view these metrics for sites with third-party ads in CrUX Vis: cruxvis.withgoogle.com We're working on adding them to CrUX BigQuery dataset. 4/8

We've heard from a large cross-section of ad ecosystem stakeholders that these metrics could enhance how they value ad opportunities and make ad product decisions. We're encouraged by this as we think users ultimately benefit from more collective attention paid to tuning web ad experiences. 5/8

While inspired by Core Web Vitals, which help provide visibility into websites' speed, responsiveness and visual stability, CrUX ad metrics are not part of Core Web Vitals and don't have suggested targets or thresholds. 6/8

Each of the four metrics is labeled "experimental" to make clear we are open to community feedback, evolving these metrics and exploring additional metrics that focus sites' investments on improving users' browsing experience. 7/8

15/9/26, 4:29 pm0 reposts3 likes

groups.google.comChrome UX Report (Discussions) - Google Groups

We're excited to see what insights can be gained from publishing this new data and encourage feedback at our discussion forum: groups.google.com/a/chromium.o... 8/8 🏁

Dave Rupert

@davatron5000.bsky.social

While listening to "a large cross-section of ad ecosystem stakeholders", can I suggest to also listen to a large cross-section of website users who's entire world wide web browsing experience is enshittified by slow ad tech. We can't let IAB set the line on what's acceptable in terms of ad perf.