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AR-20261009-12: match Codex guide to installation intent - #888

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Summary

Experiment: AR-20261009-12

Match the Codex guide title/H1, description and first sentence to installation intent before explaining Warp-specific voice input and code review. Correct the existing Homebrew example to the official brew install --cask codex command. No new features or installation methods added; URL and sidebar label unchanged.

Hypothesis: searchers asking to install Codex currently see a Warp-specific setup snippet. Leading with a general install answer and the actual commands should better match their intent, improving click-through without requiring a rank change.

Metric: Search Console CTR of Codex queries on this page; baseline 19,056 impressions / 56 clicks = 0.29% CTR, average position 5.8 (sc-domain:warp.dev, Sep 22–Oct 5, final data supplied by the orchestrator).

Prediction: CTR >=1.0% within 4 weeks of merge (~100–200 additional clicks per 2 weeks), average position not worse than 6.0.

Related issues

2026-10-09 Search Console-driven AEO autoresearch brief.

Validation

How verified:

  • Official commands verified from OpenAI's README fetched this session: https://github.com/openai/codex/blob/04ad786998e9ec2683ba8c387aaf311adc6f1233/README.md#installing-and-running-codex-cli . It documents npm install -g @openai/codex, brew install --cask codex, then codex; the guide links to the upstream instructions.
  • npm run typecheck && npm run test:heading-vars && npm run build && npm run test:heading-tocs && npm run test:homepage-json-ld: passed; 0 type errors, 5 tests, 3,353 TOC entries across 396 generated HTML files, JSON-LD valid.
  • python3 .agents/skills/style_lint/style_lint.py --changed: existing unrecognized-mode-label warnings (Auto, Read-only, Full Access), no new-copy errors. python3 .agents/skills/validate_ui_refs/validate_ui_refs.py --changed --require-provenance: 1 file, 0 findings, trusted snapshot.
  • git diff --check: passed. npm run lint / npm run fmt: unavailable (Trunk not installed).
  • curl -fLsS https://docs-git-factory-ar-20261009-12-codex-install-intent-warpdotdev.vercel.app/guides/external-tools/how-to-set-up-codex-cli/ -o preview.html; linkedom assertions confirm <title>Install and set up Codex CLI | Warp</title>, matching H1, an install-first description (126 characters), and first paragraph containing npm install -g @openai/codex and brew install --cask codex before Warp guidance. Chromium screenshot confirms legible full title/description/opening with no clipping or overlap.
  • npx -y @ora-ai/ax@0.5 audit https://docs.warp.dev --json > prod.json: established production canonical 62/C. The orchestrator approved unchanged Automated SEO fixes: lengthen short API errors title and trim long description #872 public preview as the control to cancel preview-host identity/search effects.
  • npx -y @ora-ai/ax@0.5 audit https://docs-r7655tvgt-warpdotdev.vercel.app --json > control.json and npx -y @ora-ai/ax@0.5 audit https://docs-git-factory-ar-20261009-12-codex-install-intent-warpdotdev.vercel.app --json > preview.json: control timestamp 2026-10-09T18:15:42.351Z, PR timestamp 2026-10-09T19:00:45.597Z. Compared all 125 layers[].checks[] score/status pairs; identical, no regressions. No forced scans for this experiment.
Check Control #872 PR preview
Canonical score 55/C 55/C
json-ld 2 / warning 2 / warning
sitemap-lastmod 0 / fail 0 / fail
Remaining 123 checks baseline identical

G3 verified on head 9e2dbd5b3853e348da5ab662e70156c1c3e6ade5: all code, editorial, technical-reference, CodeQL and Vercel checks completed successfully; policy-only checks skipped. Latest Build, link-check, audit SUCCESS completed at 2026-10-09T18:57:25Z. PR-body edits may trigger another run on the unchanged head; this records completed-run evidence. No reviewers requested or ready-for-review promotion by the implementation agent.

Rollback: revert the title, description, opening and Homebrew example from this PR.

Follow-ups

Measure post-merge Search Console windows; preview verification does not prove CTR improvement. Other guide content is unchanged.

Computer-use screenshots (7)

Factories overview with heading, first definition paragraph, sidebar, and two cards visible
Factories overview with heading, first definition paragraph, sidebar, and two cards visible

GitLab docs page showing heading, two-sentence opening with link, left nav, and prerequisites
GitLab docs page showing heading, two-sentence opening with link, left nav, and prerequisites

Codex CLI guide: heading, description, install-first paragraph, and sidebar
Codex CLI guide: heading, description, install-first paragraph, and sidebar

OpenCode guide: heading, description, install-first paragraph, and sidebar
OpenCode guide: heading, description, install-first paragraph, and sidebar

Gemini CLI guide: heading, description, install-first paragraph, and sidebar
Gemini CLI guide: heading, description, install-first paragraph, and sidebar

Top of /platform/ showing definition paragraph, note, first major section heading, and On this page rail
Top of /platform/ showing definition paragraph, note, first major section heading, and On this page rail

What you get by default section with Codebase Context/Observability subheadings and TOC highlighted
What you get by default section with Codebase Context/Observability subheadings and TOC highlighted

@cla-bot cla-bot Bot added the cla-signed label Oct 9, 2026
@vercel

vercel Bot commented Oct 9, 2026 •

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Project Deployment Actions Updated
docs Ready Ready Preview Oct 9, 2026 6:56pm UTC

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This PR was generated with Warp.

Comment @warp-staging-factory on this PR to send it follow-up work.

@warp-agent-staging
warp-agent-staging Bot marked this pull request as ready for review October 9, 2026 19:07
@warp-agent-staging
warp-agent-staging Bot requested a review from vikvang October 9, 2026 19:07
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Autoresearch: AR-20261009-12 is ready for review.

  • Predicted effect: CTR of Codex queries on this guide goes from 0.29% (56 clicks / 19,056 impressions, avg position 5.8, Search Console Sep 22–Oct 5) to ≥1.0% within 4 weeks of merge, with position no worse than 6.0. Top queries: 'install codex cli' (3,104 impressions), 'codex cli' (1,952), 'codex cli install' (1,117).
  • Why: the old title and description ('Set up Codex CLI', 'Set up OpenAI's Codex CLI in Warp…') read as Warp-specific to people asking how to install Codex. The guide now leads with the install answer.
  • Verified:
    • An independent review checked the install commands against OpenAI's official Codex README: npm install -g @openai/codex, brew install --cask codex.
    • The slug is unchanged, and the preview renders correctly.
    • ora, preview vs control: all 125 checks identical. CI is green.

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Overview

This PR updates the Codex CLI guide to lead with installation intent, refreshes the meta description and opening paragraph, and corrects the Homebrew command to brew install --cask codex. The changed command matches OpenAI's package-manager installation instructions, and I found no security or spec-alignment issues in the diff.

Concerns

  • 💡 [SUGGESTION] The PR description's managed screenshot block includes unrelated captures for pages such as Factories, GitLab, OpenCode, Gemini CLI, and Platform. Remove or refresh those artifacts so reviewers only see evidence for this Codex guide change.

Verdict

Found: 0 critical, 0 important, 1 suggestions

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