{"pageUrl":"https://promagen.com/how-to-write-meta-descriptions-for-ai-citations","lastModified":"2026-05-10","provenanceHash":"sha256:e242869603cd5f6d99e884041e0360aee65dbae4e50f535a0cfeaf16a06cbe78","provenanceNote":"Length and entity-first guidance reflect industry-standard technical-SEO practice and observable AI engine source-card display behaviour. No vendor publishes specific meta-description requirements for AI citations.","claims":[{"id":"claim-meta-length-150-160","statement":"A meta description of 150–160 characters is the practical target. It matches Google's SERP truncation point and works within AI engine source-card display limits.","evidenceUrl":"https://developers.google.com/search/docs/appearance/snippet","lastVerified":"2026-05-10","hash":"sha256:45d8e9a95e68098acf3b3a426ea73e9d00c4fa488a7e03e77c612fcbe105f83a"},{"id":"claim-metadata-binary-scoring","statement":"Promagen Sentinel scores metadata completeness as a binary per-page check: title, meta description, and canonical URL must all be present for the page to count toward the 20% metadata component.","evidenceUrl":"https://promagen.com/sentinel/weekly","lastVerified":"2026-05-10","hash":"sha256:3649db16bc7deb59e3c74bada7adb76e399999291344953bd12556bc726b638c"},{"id":"claim-entity-first-pattern","statement":"The entity-first meta description pattern (subject in first phrase, value second) helps AI engines disambiguate the page's primary entity. This is industry-standard guidance, not vendor-documented.","evidenceUrl":"https://promagen.com/what-is-ai-visibility","lastVerified":"2026-05-10","hash":"sha256:2706c73b985ea6f4fbeb52cb5163f1cb38b35cb259dab898b0f81fe35f8909e0"}]}