[Incorrect Data] No WPT results shown for 0% despite wpt.fyi showing results

[gsnedders]

https://webstatus.dev/?q=name%3A%22device+posture%22&num=100 shows:

Note the lack of results for Firefox or Safari.

Following the link to https://wpt.fyi/results/?label=master&label=stable&view=test&q=feature%3Adevice-posture%20%21is%3Atentative shows:

Notably, this has results for Firefox and Safari.

I expect these to be the same. Having no results is a very different situation to the test results being at 0%.

[gsnedders]

Note the "Export to CSV" view does actually include this — it shows 0 for some, and undefined for others, so this is purely in the rendering of the table, the data is all there.

[gsnedders]

It looks like these might be being deliberately excluded when the feature is "unavailable" — this does however make the dashboard less useful if you're trying to find places where the data appears to be incorrect.

There's a big and meaningful difference between something like 'blocking="render"' being unavailable but passing 96.77% of tests on WPT and something like 'Device posture' being unavailable and passing 0% of the tests on WPT — one of these is a lot more likely to be usable than the other, and may be indicative of data issues rather than an absence of the feature.

[jcscottiii]

Thanks for creating this issue @gsnedders !

Some background on this:

In an earlier version of the UI, we combined availability and WPT scores into the same column. So we would hide the score if the feature is not available in a browser.

We have since split out availability and WPT scores into separate columns. But we kept the same logic of hiding the scores but there's no good explanation behind it anymore.

This kind of goes back to this pinned issue. That issue has a possible solution around looking at the best way to render hidden scores with some rationale. While we could simply say the score is hidden, vendors may want to include some custom rationale per feature which may lead back to something like this RFC. But we can start with the simpler icon with some hover text to address this.

[gsnedders]

There's also oddities like https://webstatus.dev/features/marker:

This shows no WPT pass rate for Safari yet does show "+1.3%" (relative to what? no base number is given!). Omitting it here really does seem silly when the implementation progress graph below gives the numbers.