No LightHouse scores on some pages with WebPageTest.

[pmd-bgermain]

Provide the steps to reproduce

1. Run a webpagetest on https://www.capital.fr or go to https://www.webpagetest.org/result/190819_8Q_aadf1661f1cd53525217b82c539cb54e/
2. Run a webpagetest with a script blocking all domains except capital.fr prismamedia.com prismaconnect.fr prismamediadigital.fr prismamediadigital.com capital.fr tra.scds.pmdstatic.net cap.img.pmdstatic.net or alternatively go to this test https://www.webpagetest.org/result/190819_QK_da88f3d697febd4be11cadcb2b298f96/1/details/#waterfall_view_step1

To help here is the WPT Script :
// Block third party blockDomainsExcept www.capital.fr prismamedia.com prismaconnect.fr prismamediadigital.fr capital.fr pmdstatic.net prismamediadigital.com prismashop.fr tra.scds.pmdstatic.net cap.img.pmdstatic.net navigate https://www.capital.fr/

What is the current behavior?

On the first test case you can see a lighthouse score on the top right (at least for PWA)
On the second test case you don't have that score.

What is the expected behavior?

You should see the score on the second test case

Environment Information

• Affected Channels: CLI, DevTools and tools like Webpagetest using lighthouse
• Lighthouse version: latest
• Node.js version: -
• Operating System: Linux, MacOS

More investigation on the issue

I looked at the WPT logs for Lighthous and saw : "Runtime error encountered: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests."
But I can't see any popin/interstitial on that page ...

[patrickhulce]

Thanks for filing with such detail @pmd-bgermain! This ends up being the same root issue as #9562 which we are working on :) Feel free to follow along there for updates.

[pmd-bgermain]

Hi @patrickhulce any idea when the #9576 (root to this issue and #9562) will be pushed in production ?

[patrickhulce]

@pmd-bgermain it should have already gone out with v5.4.0 a few days ago.

[pmd-bgermain]

Oh my !! I missed it... I checked just the day before 🤣

Thanks @patrickhulce