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Comment by troupo | Hacker News Reader

1. Chrome telemetry underreports a lot of use cases

2. They have a semi-internal document https://docs.google.com/document/d/1RC-pBBvsazYfCNNUSkPqAVpS... that explicitly states: small usage percentage doesn't mean you can safely remove a feature

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As a general rule of thumb, 0.1% of PageVisits (1 in 1000) is large, while 0.001% is considered small but non-trivial. Anything below about 0.00001% (1 in 10 million) is generally considered trivial.

There are around 771 billion web pages viewed in Chrome every month (not counting other Chromium-based browsers). So seriously breaking even 0.0001% still results in someone being frustrated every 3 seconds, and so not to be taken lightly!

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3. Any feature removal on the web has to be a) given thorough thought and investigation which we haven't seen. Library of congress apparently uses XSLT and Chrome devs couldn't care less

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Hmm, I don't see the LOC listed here among the top sites: https://chromestatus.com/metrics/feature/timeline/popularity... - where are you seeing the Library of Congress as impacted?

This was mentioned in the discussions and are an easy search away. Which means that googlers in their arrogance didn't do any research at all and that their counter underrepresents data as explicitly stated in their own document

https://www.loc.gov/standards/mods/mods-conversions.html

https://www.loc.gov/preservation/digital/formats/fdd/fdd_xml...

And then there's Congress: https://simonwillison.net/2025/Aug/19/xslt/

The library of congress examples appear to be using server side xslt not client side. Thus they are not affected by this deprecation.

Before calling people arrogant you should read your own links.

[The congress example is legit]

Here is an example of a URI using client-side XSLT in the library of congress. They are definitely using this feature.

https://www.loc.gov/standards/mets/profiles/00000016.xml

    <?xml version="1.0" encoding="UTF-8"?>
    <?xml-stylesheet type="text/xsl" href="echoProfile2html.xsl" ?>

Before calling people arrogant you should validate your own arrogance.

> [The congress example is legit]

So let me get this straight. The Congress example is legit. Multiple other cases discussed here: https://github.com/whatwg/html/issues/11523 are legit

And yet it's not the Googlers and other browser implementers who didn't do even a modicum or research who are arrogant, but me, because I made a potential mistake quickly searching for something on my phone at night?

Do you honestly believe none of these will be addressed before the deadline passes?

>Chrome telemetry underreports a lot of use cases Sure; in that case, I would suggest to the people with those use cases that they should stop switching off telemetry. Everyone on HN seems to forget telemetry isn't there for shits and giggles, it's there to help improve a product. If you refuse to help improve the product, don't expect a company to improve the product for you, for free.

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