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Task
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Resolution: Unresolved
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Minor
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None
Just like JENKINS-40932 we want to combine some files together to improve the browsers parallelise requests (we do too many requests - see the Waterfall report).
These JS files should be concatinated into a single resource and served to the browser together:
- react-router
- react-redux
- reselect
- keymirror
- redux-thunk
- immutable
This awesome tool provides some insight into what can be optimised (page speed + yslow + waterfall):
https://gtmetrix.com/reports/ci.blueocean.io/ijzy6djd
You can see from this, having fewer http requests wil allow the browser to do less "waterfall loading".
Once we have this, we can revaluate on hi and low latency connections (low latency things are much worse than that tool shows, about 10x slower for cold load).
- is blocked by
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JENKINS-40992 Enable http/2 on ci.blueocean.io
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- Resolved
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This is not as easy as it might sound "in theory". Easiest way might be to bundle them directly in blueocean.js, which is what we used to do but then split them out because that was seen as a performance bottleneck. I feel like we get caught one way or another on these things .... we should try use fewer packages.