こんにちは TAG-さん!

I'm requesting a TAG review of target_hint field for speculation rules prerendering.

This extends speculation rules syntax to allow developers to specify the target_hint field.

This field provides a hint to indicate a target navigable where a prerendered page will eventually be activated. For example, when _blank is specified as a hint, a prerendered page can be activated for a navigable opened by window.open(). The field has no effect on prefetching.

• Explainer¹ (minimally containing user needs and example code): https://github.com/WICG/nav-speculation/blob/main/triggers.md#window-name-targeting-hints
• Specification URL: https://wicg.github.io/nav-speculation/speculation-rules.html
• Tests: https://wpt.fyi/results/speculation-rules/prerender
• User research: n/a
• Security and Privacy self-review²: This should be covered by the previous self-reviews for speculation rules and same-site prerendering. This feature just controls where a prerendered page is activated (current tab vs. new tab), and doesn’t expose new information.
  • https://github.com/WICG/nav-speculation/blob/main/speculation-rules-security-privacy-questionnaire.md
  • https://github.com/WICG/nav-speculation/blob/main/prerendering-same-site-security-privacy-questionnaire.md
• GitHub repo (if you prefer feedback filed there): https://github.com/WICG/nav-speculation
• Primary contacts (and their relationship to the specification):
  • Hiroki Nakagawa (@nhiroki), Google, contributor
  • Domenic Denicola (@domenic), Google, editor
  • Jeremy Roman (@jeremyroman), Google, editor
• Organization(s)/project(s) driving the specification: Google Chrome
• Key pieces of existing multi-stakeholder review or discussion of this specification:https://github.com/WICG/nav-speculation/issues/168
• External status/issue trackers for this specification (publicly visible, e.g. Chrome Status): https://chromestatus.com/feature/5162540351094784

Further details:

• I have reviewed the TAG's Web Platform Design Principles
• Relevant time constraints or deadlines: We hope to start an origin trial with partners as soon as possible, so the sooner, the better.
• The group where the work on this specification is currently being done: WICG
• The group where standardization of this work is intended to be done (if current group is a community group or other incubation venue): WHATWG
• Major unresolved issues with or opposition to this specification: n/a
• This work is being funded by: Google

You should also know that...

n/a

We'd prefer the TAG provide feedback as (please delete all but the desired option):

☂️ open a single issue in our GitHub repo for the entire review