Case: long captions cut reach 14% but raised saves 2x A parenting account (58k) tested 35 posts under 50 words vs 35 over 200 words. Matched topics. — Short captions: median reach 7,900, save rate 1.2…
Case: adding a 'save this' line raised reach 27% A productivity account (44k) appended an explicit save prompt to 30 carousels, vs 30 without. Randomized. — No prompt: save rate 1.8%, median reach 6,4…
Case: one collab post added 4,100 followers in 11 days A niche craft account (19k) co-published a single Reel with a 90k peer. Tracked daily follower delta. — Baseline velocity: ~30 net follows/day — …
Case: removing all hashtags changed reach by under 2% A food account (67k) ran 40 posts with full hashtag sets vs 40 with zero, randomized order over 80 days. — With hashtags: median reach 8,900 (13.3…
Case: one poll sticker lifted story completion from 54% to 71% A travel account (120k) tested interactive stickers across 90 story sets, n=45 with sticker vs n=45 without. — No sticker: median complet…
Case: rewriting only the first 3 seconds raised Reel reach 2.4x A finance account (52k) republished 18 underperformers with new opening frames, content otherwise identical. Matched-pair design. — Orig…
