issue_comments: 1059633902
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| html_url | issue_url | id | node_id | user | created_at | updated_at | author_association | body | reactions | issue | performed_via_github_app |
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| https://github.com/simonw/datasette/issues/1645#issuecomment-1059633902 | https://api.github.com/repos/simonw/datasette/issues/1645 | 1059633902 | IC_kwDOBm6k_c4_KLru | 9599 | 2022-03-05T01:03:06Z | 2022-03-05T01:03:06Z | OWNER | I agree: this is bad. Ideally, content served from `/static/` would apply best practices for static content serving - which to my mind means the following: - Where possible, serve with a far-future cache expiry header and use an asset URL that changes when the file itself changes - For assets without that, support conditional GET to avoid transferring the whole asset if it hasn't changed - Some kind of sensible mechanism for setting cache TTLs on assets that don't have a unique-file-per-version - in particular assets that might be served from plugins. Datasette half-implemented the first of these: if you view source on https://latest.datasette.io/ you'll see it links to `/-/static/app.css?cead5a` - which in the template looks like this: https://github.com/simonw/datasette/blob/dd94157f8958bdfe9f45575add934ccf1aba6d63/datasette/templates/base.html#L5 I had forgotten I had implemented this! Here is how it is calculated: https://github.com/simonw/datasette/blob/458f03ad3a454d271f47a643f4530bd8b60ddb76/datasette/app.py#L510-L516 So `app.css` right now could be safely served with a far-future cache header... only it isn't: ``` ~ % curl -i 'https://latest.datasette.io/-/static/app.css?cead5a' HTTP/2 200 content-type: text/css x-databases: _memory, _internal, fixtures, extra_database x-cloud-trace-context: 9ddc825620eb53d30fc127d1c750f342 date: Sat, 05 Mar 2022 01:01:53 GMT server: Google Frontend content-length: 16178 ``` The larger question though is what to do about other assets. I'm particularly interested in plugin assets, since visualization plugins like `datasette-vega` and `datasette-cluster-map` ship with large amounts of JavaScript and I'd really like that to be sensibly cached by default. | {"total_count": 0, "+1": 0, "-1": 0, "laugh": 0, "hooray": 0, "confused": 0, "heart": 0, "rocket": 0, "eyes": 0} | 1154399841 |