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MacOS Safari renders the mobile site, should render root site #4

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sbarber2 opened this issue Sep 26, 2023 · 2 comments
Open

MacOS Safari renders the mobile site, should render root site #4

sbarber2 opened this issue Sep 26, 2023 · 2 comments

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@sbarber2
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sbarber2 commented Sep 26, 2023 •
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MacOS Safari 16.5.1 renders the mobile site, should render desktop site.

This doesn't happen, for example, on MacOS Chrome 117.
@sbarber2
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Hmm, this problem doesn't happen when viewing the site locally with pyserver.py, but it does happen on the live site browsing to https://planttracer.com

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sbarber2 commented Sep 27, 2023 •
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Some notes to guide further investigation:

Browsers ignore the extension; they only consider the Mime-Type set in the HTTP header. We aren't setting the Mime-Type in the header and not in a meta tag. However, the document itself begins:

(base) webapp % curl --dump-header /tmp/head https://planttracer.com/plantliteracy | head                                    (audit-page)webapp
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  8212  100  8212    0     0   102k      0 --:--:-- --:--:-- --:--:--  104k
<!DOCTYPE html>

<html>

    <head>
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>
        Plant Literacy
    </title>

Mime type inference is apparently called "MIME Sniffing" and is discussed here:
https://security.stackexchange.com/questions/256357/is-mime-sniffing-still-something-to-protect-against-with-modern-browsers-with-x

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