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Automatically preconnect to source origins on page loads.#24045

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cramforce merged 8 commits intoampproject:masterfrom
cramforce:preconnect-to-origins
Aug 19, 2019
Merged

Automatically preconnect to source origins on page loads.#24045
cramforce merged 8 commits intoampproject:masterfrom
cramforce:preconnect-to-origins

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Ensures quicker onward journeys by preconnecting to the source URL and canonical URL of a document upon page load.

Fixes #24043

Ensures quicker onward journeys by preconnecting to the source URL and canonical URL of a document upon page load.

Fixes ampproject#24043
const preconnect = preconnectForElement(element);
const info = Services.documentInfoForDoc(element);
preconnect.url(info.sourceUrl);
preconnect.url(info.canonicalUrl);
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Shouldn't this be waiting for whenViewerVisible? I think this will leak the user's search before click without it.

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Preconnect does this internally.

@cramforce cramforce merged commit 106d73e into ampproject:master Aug 19, 2019
@cramforce cramforce deleted the preconnect-to-origins branch August 19, 2019 22:12
westonruter added a commit to westonruter/amphtml that referenced this pull request Aug 20, 2019
* 'master' of github.com:ampproject/amphtml: (32 commits)
  ✨ Make tweet id a bindable attribute (ampproject#23953)
  🏗 Update Local AMP extension to allow custom base URLs (ampproject#24029)
  🏗 Improve serving from non-localhost host (ampproject#24066)
  Preventing half pixels. (ampproject#24050)
  Update callout-vendors.js (ampproject#23218)
  🏗 Fixes to `check-package-manager.js` (ampproject#24060)
  Rename AMP_MODE to __AMP_MODE. (ampproject#24052)
  Story media performance metrics. (ampproject#23962)
  Updating Story amp-sidebar width documentation. (ampproject#23894)
  Fixes race condition in amp-video-iframe (ampproject#24033)
  Rename ampExtendedElements to __AMP_EXTENDED_ELEMENTS (ampproject#24056)
  🏗🚮 Enable property inlining (ampproject#24053)
  ✨amp-ads: Added optional params for Directadvert network (ampproject#23724)
  <amp-experiment> style mutation fix and improvment (ampproject#23669)
  🐛 Allow http protocol for noscript > img fallbacks for parity with amp-img (ampproject#21686)
  🏗 Refactor transform-log-asserts (ampproject#24028)
  Automatically preconnect to source origins on page loads. (ampproject#24045)
  Support visibility API in the ampdoc (ampproject#23799)
  Amphtml visual tests should use relative path against root (ampproject#24042)
  FIX: check all fields' dirtiness on AMP form init (ampproject#23978)
  ...
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Pre-connecting origin domain(s) and potentially prefetching outbound clicks

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