Get the codex-seo-sxo skill, read a Google SERP backwards for the page type it rewards, and watch it give one page two verdicts in one day: ALIGNED on its commercial keyword, MISMATCH on its informational one.
A zero-dependency Codex skill that scores product pages on six dimensions and validates Product JSON-LD against Google Merchant requirements, demonstrated on a bundled demo store going from 17/100 to 98/100.
A one-page hreflang audit that checks self-references, return tags, language codes, and content parity across language versions, with a working Python checker you can install into Codex in two minutes.
Cluster keywords by shared Google results, not text similarity. This article installs a Codex skill that scores SERP overlap and designs hub-and-spoke content architecture.
Google is testing a change that shows full AI-generated responses in AI Overviews without requiring users to click Show more, pushing organic results further down the page.
A Codex skill that reads Google's own data with zero API keys: analyze a Search Console export for totals, CTR bands, and quick wins at position 4-10, plus the curl commands and thresholds for PageSpeed and CrUX field data.
A Codex skill that reads one URL and tells you whether a local business page actually carries local evidence: business type, vertical, NAP, schema, reviews, citation platforms.
Google's favicon documentation now explicitly lists supported file formats for Search results. SVG is not included in the supported list.
A Codex skill that verifies a list of backlinks one by one, then scores the profile factors it can prove - and refuses to invent numbers for the ones it cannot.
A Codex skill that scores any page on five AI-citation signals — citability, structure, multimodality, authority, technical access — and outputs a GEO Readiness score with the fixes that move it.