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Update docs with details for cached images #18399

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merged 4 commits into from
Oct 28, 2020

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styfle
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@styfle styfle commented Oct 28, 2020

This PR explains the caching algorithm for the default loader.

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ijjk commented Oct 28, 2020

Stats from current PR

Default Server Mode
General
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
buildDuration 10.7s 10.8s ⚠️ +39ms
nodeModulesSize 91.3 MB 91.3 MB
Page Load Tests Overall increase ✓
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
/ failed reqs 0 0
/ total time (seconds) 2.09 2.116 ⚠️ +0.03
/ avg req/sec 1196.04 1181.35 ⚠️ -14.69
/error-in-render failed reqs 0 0
/error-in-render total time (seconds) 1.296 1.283 -0.01
/error-in-render avg req/sec 1928.89 1947.86 +18.97
Client Bundles (main, webpack, commons)
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
677f882d2ed8..3aa9.js gzip 11.3 kB 11.3 kB
framework.HASH.js gzip 39 kB 39 kB
main-fc2ed98..cd2b.js gzip 7.33 kB 7.33 kB
webpack-e067..f178.js gzip 751 B 751 B
Overall change 58.3 kB 58.3 kB
Client Bundles (main, webpack, commons) Modern
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
677f882d2ed8..dule.js gzip 7.03 kB 7.03 kB
framework.HA..dule.js gzip 39 kB 39 kB
main-20f9619..dule.js gzip 6.31 kB 6.31 kB
webpack-07c5..dule.js gzip 751 B 751 B
Overall change 53.1 kB 53.1 kB
Legacy Client Bundles (polyfills)
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
polyfills-4b..e242.js gzip 31 kB 31 kB
Overall change 31 kB 31 kB
Client Pages
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
_app-9a0b9e1..b37e.js gzip 1.28 kB 1.28 kB
_error-ed1b0..8fbd.js gzip 3.44 kB 3.44 kB
hooks-89731c..c609.js gzip 887 B 887 B
index-17468f..5d83.js gzip 227 B 227 B
link-41ceea0..6b62.js gzip 1.35 kB 1.35 kB
routerDirect..924c.js gzip 284 B 284 B
withRouter-7..c13d.js gzip 284 B 284 B
Overall change 7.75 kB 7.75 kB
Client Pages Modern
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
_app-75d3a82..dule.js gzip 625 B 625 B
_error-4469a..dule.js gzip 2.29 kB 2.29 kB
hooks-cbf13f..dule.js gzip 387 B 387 B
index-b9a643..dule.js gzip 226 B 226 B
link-2d41a89..dule.js gzip 1.31 kB 1.31 kB
routerDirect..dule.js gzip 284 B 284 B
withRouter-f..dule.js gzip 282 B 282 B
Overall change 5.4 kB 5.4 kB
Client Build Manifests
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
_buildManifest.js gzip 323 B 323 B
_buildManife..dule.js gzip 329 B 329 B
Overall change 652 B 652 B
Rendered Page Sizes
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
index.html gzip 1 kB 1 kB
link.html gzip 1.01 kB 1.01 kB
withRouter.html gzip 996 B 996 B
Overall change 3.01 kB 3.01 kB

Serverless Mode
General
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
buildDuration 12.2s 12.4s ⚠️ +224ms
nodeModulesSize 91.3 MB 91.3 MB
Client Bundles (main, webpack, commons)
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
677f882d2ed8..3aa9.js gzip 11.3 kB 11.3 kB
framework.HASH.js gzip 39 kB 39 kB
main-fc2ed98..cd2b.js gzip 7.33 kB 7.33 kB
webpack-e067..f178.js gzip 751 B 751 B
Overall change 58.3 kB 58.3 kB
Client Bundles (main, webpack, commons) Modern
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
677f882d2ed8..dule.js gzip 7.03 kB 7.03 kB
framework.HA..dule.js gzip 39 kB 39 kB
main-20f9619..dule.js gzip 6.31 kB 6.31 kB
webpack-07c5..dule.js gzip 751 B 751 B
Overall change 53.1 kB 53.1 kB
Legacy Client Bundles (polyfills)
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
polyfills-4b..e242.js gzip 31 kB 31 kB
Overall change 31 kB 31 kB
Client Pages
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
_app-9a0b9e1..b37e.js gzip 1.28 kB 1.28 kB
_error-ed1b0..8fbd.js gzip 3.44 kB 3.44 kB
hooks-89731c..c609.js gzip 887 B 887 B
index-17468f..5d83.js gzip 227 B 227 B
link-41ceea0..6b62.js gzip 1.35 kB 1.35 kB
routerDirect..924c.js gzip 284 B 284 B
withRouter-7..c13d.js gzip 284 B 284 B
Overall change 7.75 kB 7.75 kB
Client Pages Modern
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
_app-75d3a82..dule.js gzip 625 B 625 B
_error-4469a..dule.js gzip 2.29 kB 2.29 kB
hooks-cbf13f..dule.js gzip 387 B 387 B
index-b9a643..dule.js gzip 226 B 226 B
link-2d41a89..dule.js gzip 1.31 kB 1.31 kB
routerDirect..dule.js gzip 284 B 284 B
withRouter-f..dule.js gzip 282 B 282 B
Overall change 5.4 kB 5.4 kB
Client Build Manifests
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
_buildManifest.js gzip 323 B 323 B
_buildManife..dule.js gzip 329 B 329 B
Overall change 652 B 652 B
Serverless bundles
vercel/next.js canary vercel/next.js image-optimiazation-cache-docs Change
_error.js 1.06 MB 1.06 MB
404.html 4.73 kB 4.73 kB
hooks.html 3.92 kB 3.92 kB
index.js 1.06 MB 1.06 MB
link.js 1.11 MB 1.11 MB
routerDirect.js 1.1 MB 1.1 MB
withRouter.js 1.1 MB 1.1 MB
Overall change 5.43 MB 5.43 MB
Commit: 8ff0824

@styfle styfle merged commit 79314ef into canary Oct 28, 2020
@styfle styfle deleted the image-optimiazation-cache-docs branch October 28, 2020 16:40
@balazsorban44
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Awesome! 🎉 Thanks

@synoptase
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Is there a reason why no Cache-Control header is sent to the client? Even though max-age is internally used, no browser caching is leveraged.

@styfle
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styfle commented Nov 9, 2020

We're going to add etag in PR #18986

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6 participants