wg-runtime Status Update 2020-05-26

[jridgewell]

Recap

Justin


• Opened PR for deferring buildCallback

  • Doesn't affect LCP as much as we thought, maybe it'll help FID

• PR Reviews


Jake


• Submitted a fix so that we don’t send documentHeight until it is ready. Potentially two bugs with one stone: (b/154603596, b/143078110).

• In-progress

  • New metrics eer/ser (https://github.com/ampproject/amphtml/pull/28401)

  • Improved e2e viewer tests (https://github.com/ampproject/amphtml/pull/28531).

  • Adding runtime pages to the gulp performance (https://github.com/ampproject/amphtml/pull/28503).

  • Protocol adapters worker-dom implementation (https://github.com/ampproject/worker-dom/pull/850).


Will


• intersect-resources

  • Candidate fix for idle render merged, pending ads metrics


Learned

• Use DCL to normalize metrics like LCP

  


Next

Justin


• Finish buildCallback PR

• Finally write doc about WorkerDOM/amp-bind in same-origin iframe (with sync messaging)

• Look into removing Owners System, replace with InOb polyfill


Jake


• IE11 Minimum support explorations

• Continue many in-progress PRs with the goal of eventually optimizing

  • Load rect

  • Resource loading prioritization


Will


• intersect-resources

  • Prod rollout and manual QA test plan