sitespeedio / sitespeedio/sitespeed.io

[Feature] Add a flag opposite to userTimingWhitelist to specify what to block.

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Dominant language
JavaScript
Stars
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Forks
624
Avg merge
4h 8m
Merged PRs (30d)
2

Description

Feature/improvement

Original flag for idea: --userTimingWhitelist

It looks more convenient to block some special metrics from Google, Facebook, and so on. The weak point of whitelist that we can easily miss a new or unexpected metrics.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing how the existing --userTimingWhitelist flag is parsed and how user timing metrics are filtered. Add the opposite block-list behavior without changing the existing whitelist behavior, and verify that named metrics are excluded while other metrics remain available.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
cli, performance
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
42/100

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