add hostname to default error boundary message

[ztanner]

Since it's possible to deploy an application that triggers our default exception handling, we should ensure the error text is personalized to the host application to avoid any potential incorrect canonicalization by search engines for containing duplicate content.

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[ztanner]

• add hostname to default error boundary message #75151 👈 (View in Graphite)
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[ijjk]

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Stats from current PR

Default Build (Increase detected ⚠️)

General Overall increase ⚠️

	vercel/next.js canary	vercel/next.js 01-21-add_hostname_to_default_error_boundary	Change
buildDuration	18.2s	16.1s	N/A
buildDurationCached	15.3s	13.1s	N/A
nodeModulesSize	418 MB	418 MB	⚠️ +10.2 kB
nextStartRea..uration (ms)	428ms	410ms	N/A

Client Bundles (main, webpack) Overall increase ⚠️

	vercel/next.js canary	vercel/next.js 01-21-add_hostname_to_default_error_boundary	Change
5306-HASH.js gzip	54 kB	54 kB	N/A
8276.HASH.js gzip	169 B	168 B	N/A
8377-HASH.js gzip	5.46 kB	5.46 kB	N/A
bccd1874-HASH.js gzip	52.9 kB	52.9 kB	✓
framework-HASH.js gzip	57.5 kB	57.5 kB	N/A
main-app-HASH.js gzip	239 B	242 B	N/A
main-HASH.js gzip	34.4 kB	34.6 kB	⚠️ +163 B
webpack-HASH.js gzip	1.71 kB	1.71 kB	N/A
Overall change	87.3 kB	87.5 kB	⚠️ +163 B

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js 01-21-add_hostname_to_default_error_boundary	Change
polyfills-HASH.js gzip	39.4 kB	39.4 kB	✓
Overall change	39.4 kB	39.4 kB	✓

Client Pages

	vercel/next.js canary	vercel/next.js 01-21-add_hostname_to_default_error_boundary	Change
_app-HASH.js gzip	193 B	193 B	✓
_error-HASH.js gzip	193 B	193 B	✓
amp-HASH.js gzip	512 B	510 B	N/A
css-HASH.js gzip	343 B	342 B	N/A
dynamic-HASH.js gzip	1.84 kB	1.84 kB	✓
edge-ssr-HASH.js gzip	265 B	265 B	✓
head-HASH.js gzip	363 B	362 B	N/A
hooks-HASH.js gzip	393 B	392 B	N/A
image-HASH.js gzip	4.59 kB	4.58 kB	N/A
index-HASH.js gzip	268 B	268 B	✓
link-HASH.js gzip	2.35 kB	2.35 kB	N/A
routerDirect..HASH.js gzip	328 B	328 B	✓
script-HASH.js gzip	397 B	397 B	✓
withRouter-HASH.js gzip	323 B	326 B	N/A
1afbb74e6ecf..834.css gzip	106 B	106 B	✓
Overall change	3.59 kB	3.59 kB	✓

Client Build Manifests

	vercel/next.js canary	vercel/next.js 01-21-add_hostname_to_default_error_boundary	Change
_buildManifest.js gzip	748 B	747 B	N/A
Overall change	0 B	0 B	✓

Rendered Page Sizes

	vercel/next.js canary	vercel/next.js 01-21-add_hostname_to_default_error_boundary	Change
index.html gzip	523 B	524 B	N/A
link.html gzip	538 B	539 B	N/A
withRouter.html gzip	519 B	520 B	N/A
Overall change	0 B	0 B	✓

Edge SSR bundle Size

	vercel/next.js canary	vercel/next.js 01-21-add_hostname_to_default_error_boundary	Change
edge-ssr.js gzip	129 kB	129 kB	N/A
page.js gzip	208 kB	208 kB	N/A
Overall change	0 B	0 B	✓

Middleware size

	vercel/next.js canary	vercel/next.js 01-21-add_hostname_to_default_error_boundary	Change
middleware-b..fest.js gzip	668 B	663 B	N/A
middleware-r..fest.js gzip	155 B	156 B	N/A
middleware.js gzip	31.3 kB	31.3 kB	N/A
edge-runtime..pack.js gzip	844 B	844 B	✓
Overall change	844 B	844 B	✓

Next Runtimes

	vercel/next.js canary	vercel/next.js 01-21-add_hostname_to_default_error_boundary	Change
274-experime...dev.js gzip	322 B	322 B	✓
274.runtime.dev.js gzip	314 B	314 B	✓
app-page-exp...dev.js gzip	375 kB	375 kB	N/A
app-page-exp..prod.js gzip	130 kB	130 kB	✓
app-page-tur..prod.js gzip	143 kB	143 kB	✓
app-page-tur..prod.js gzip	139 kB	139 kB	✓
app-page.run...dev.js gzip	363 kB	363 kB	✓
app-page.run..prod.js gzip	126 kB	126 kB	✓
app-route-ex...dev.js gzip	37.6 kB	37.6 kB	✓
app-route-ex..prod.js gzip	25.6 kB	25.6 kB	✓
app-route-tu..prod.js gzip	25.6 kB	25.6 kB	✓
app-route-tu..prod.js gzip	25.4 kB	25.4 kB	✓
app-route.ru...dev.js gzip	39.2 kB	39.2 kB	✓
app-route.ru..prod.js gzip	25.4 kB	25.4 kB	✓
pages-api-tu..prod.js gzip	9.69 kB	9.69 kB	✓
pages-api.ru...dev.js gzip	11.6 kB	11.6 kB	✓
pages-api.ru..prod.js gzip	9.68 kB	9.68 kB	✓
pages-turbo...prod.js gzip	21.9 kB	21.9 kB	✓
pages.runtim...dev.js gzip	27.7 kB	27.7 kB	✓
pages.runtim..prod.js gzip	21.9 kB	21.9 kB	✓
server.runti..prod.js gzip	916 kB	916 kB	✓
Overall change	2.1 MB	2.1 MB	✓

build cache Overall increase ⚠️

	vercel/next.js canary	vercel/next.js 01-21-add_hostname_to_default_error_boundary	Change
0.pack gzip	2.1 MB	2.1 MB	⚠️ +3.14 kB
index.pack gzip	75.9 kB	75.6 kB	N/A
Overall change	2.1 MB	2.1 MB	⚠️ +3.14 kB

Diff details

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Diff for 5306-HASH.js

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Diff for main-HASH.js

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Commit: 1aeec48