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CSS-triggers

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William Bamberg

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May 20, 2015, 11:09:40 PM5/20/15
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Hi

In the course of writing some docs on performance for MDN, I linked to
http://csstriggers.com/. It's really nice, but Chrome-only.

Paul Lewis, who put the site together, was interested in making it be
cross-browser, and Paul Rouget got quite a lot of the way with getting data
from Firefox for it [1] - but seems to have got stuck on the Firefox data
not distinguishing between painting and composition [2].

Does anyone know what the current state of this is? Do we have the
granularity we would need, now? It's not, unfortunately, a thing I would be
able to help out with very soon, but I might be able to look into it in
June.

Will

[1] https://github.com/paullewis/CSS-Triggers/issues/4
[2] https://bugzilla.mozilla.org/show_bug.cgi?id=1050376#c64

Jordan Santell

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May 20, 2015, 11:16:23 PM5/20/15
to William Bamberg, dev-developer-tools
I followed up[0] with Paul's original PR a few days ago, since our markers
are more accurate now, but pretty similar to webkit's markers in this list
(we don't have compositing markers, but pretty much every one of these
composites anyway, I believe).

In the PR as well is the differences between webkit/gecko, in atleast what
we mark.

There's still an outstanding issue of loading multiple platforms on the
site itself -- it seems that the site on GH automatically loads up Gecko
data (doesn't let you switch), but the site being served on the domain has
the values baked into the markup (so probably some build step that isn't in
GH).

[0] https://github.com/paullewis/CSS-Triggers/pull/9

On Wed, May 20, 2015 at 8:09 PM, William Bamberg <wbam...@mozilla.com>
wrote:
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Paul Rouget

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May 21, 2015, 4:04:43 AM5/21/15
to Jordan Santell, William Bamberg, dev-developer-tools
Glad to see that we're looking at this again.
The platform team is very interested in the results we'll get from this.
What ever you end up with, please share with the platform team (talk
to Jet Villegas).
--
Paul

Jordan Santell

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Jun 3, 2015, 5:03:22 PM6/3/15
to Paul Rouget, William Bamberg, dev-developer-tools
Paul, do you know Paul Lewis? No word from the css triggers PR.
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