Cold-traffic acquisition#109 of 118

Mark CXII

The Beacon Excerpt

Shipped April 26, 2026

What it is

Per-excerpt dynamic OG image generator at /api/og/excerpts/[instrument]/[slug]. Closes the catalog-flywheel for our highest-volume long-tail SEO surface (Mark XVI Lens). Every shared excerpt link now gets a beautiful royal-gold card with composer + title + level + tempo, instead of the generic OK card. Edge runtime ImageResponse, pure render from EXCERPTS catalog. Sister to Mark CVII Beacon Stamp + Mark CIX Beacon Strings + Mark CXI Beacon Category. The Beacon family is now complete.

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Previously
Mark CXI · The Beacon Category
Next up
Mark CXIII · The Composer Wing

Related — same category

Mark II
The Hall

Public homepage + landing surface. Where every player first lands.

Mark VI
The Page

Public Judge report share links. First viral surface.

Mark XIII
The Standard

Visual identity: royal/gold palette + crown brand mark.

Mark XVI
The Lens

Excerpt library — per-instrument SEO landing pages.

See it in the product.

Every Mark exists because string players asked for it. Free demo, no card.

Talk to the teacherSee all 118 Marks