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What makes a video go viral? Data from 1,272 TikToks and Reels
Short videos that ended with "let me know below" drew 39% fewer views than the same account's typical video.
Sample: 1,272 videos from 160 accounts
Which types of TikTok videos beat an account's usual post? Postdom measured 8 short-video formats, including walls of text, hook clips, memes, montages and green screens, across 985 videos from 111 business accounts on TikTok and Instagram.
Sample: 1,272 videos; 985 from 111 business accountsCharts to embedDownload the dataHow to cite
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A vision model labelled eight frames per video for shot type, text style, talking, on-screen words and cuts. Transcripts and captions were added. Formats are rules over those labels. They can overlap, so a video can count in more than one.
| Format | Rule |
|---|---|
| Wall of text | Music only or near-silent; talking in under 20% of frames; subtitles in under 30%; 40+ on-screen words; 4 or fewer distinct text frames |
| Green screen | Screen recording or graphic in 25%+ of frames, and a person in 25%+ |
| Talking to camera | Talking in 60%+ of frames, face in 50%+, under 15 cuts a minute |
| Before / after | Before/after or comparison arc, a transformation hook, or "before / after / vs" in the hook |
| Silent selfie + text | Face in 50%+ of frames, talking under 25%, text on 50%+ |
| B-roll montage + text + music | Music only; b-roll in 50%+ of frames; 3+ cuts; text on 50%+; talking under 20% |
| Reaction meme / skit | Skit, humorous tone or POV hook; 20 s or less; under 20 spoken words |
| Hook clip + long caption | 20 s or less; talking under 30%; caption of 400+ characters |
Download: format-summary.csv
| Format | Videos | Accounts | Median relative views | 95% interval | Beat account median | 2x+ account median | Median views | Median length (s) | Saves per 100 likes |
|---|---|---|---|---|---|---|---|---|---|
| All business videos | 985 | 111 | 0.96x | 0.91-1.10 | 50% | 40% | 3,842 | 42.6 | 12.0 |
| Hook clip + long caption | 21 | 16 | 1.67x | 0.50-5.51 | 57% | 43% | 5,415 | 10.5 | 13.9 |
| Reaction meme / skit | 46 | 29 | 1.29x | 0.75-6.67 | 59% | 41% | 2,075 | 8.9 | 5.7 |
| B-roll montage + text + music | 31 | 21 | 1.20x | 0.52-3.32 | 52% | 32% | 2,948 | 24.8 | 12.2 |
| Silent selfie + text | 10 | 10 | 0.95x | 0.53-25.58 | 50% | 40% | 6,756 | 11.0 | 12.4 |
| Before / after | 50 | 32 | 0.90x | 0.66-2.27 | 48% | 38% | 3,124 | 45.7 | 10.2 |
| Talking to camera | 557 | 95 | 0.86x | 0.79-1.11 | 48% | 39% | 2,954 | 59.0 | 14.3 |
| Wall of text | 60 | 32 | 0.73x | 0.53-1.38 | 40% | 32% | 2,573 | 16.0 | 11.1 |
| Green screen | 14 | 12 | 0.53x | 0.31-0.75 | 14% | 14% | 950 | 39.8 | 7.3 |
| Split | Videos | Accounts | Median relative views | 95% interval |
|---|---|---|---|---|
| 15 s or shorter | 27 | 20 | 0.63x | 0.42-1.38 |
| Longer than 15 s | 33 | 16 | 0.73x | 0.53-4.23 |
| Full text block from the first text frame | 57 | 32 | 0.73x | 0.53-1.46 |
| Short hook first, then text builds (proxy) | 3 | 3 | 0.48x | 0.23-1.81 |
The reveal structure (a short hook alone, then the list) was almost absent from the sample. Only 3 of 60 walls matched our proxy, too few to test. Evidence for the reveal comes from individual high-view examples (below), not from this dataset.
| Niche | Business videos | Walls of text | Share | Talking to camera |
|---|---|---|---|---|
| Consumer brands | 253 | 35 | 14% | 69 (27%) |
| Relocation and immigration | 262 | 13 | 5% | not shown |
| Software apps | 247 | 8 | 3% | not shown |
| Local professional services | 223 | 4 | 2% | 158 (71%) |
Shares describe the eight-per-account sample, not all posting by these accounts.
| Format | All account types: videos | All account types: median | TikTok business only: videos | TikTok business only: median |
|---|---|---|---|---|
| Wall of text | 77 | 0.75x | 57 | 0.73x |
| Green screen | 17 | 0.60x | 12 | 0.53x |
| Talking to camera | 703 | 0.85x | 477 | 0.88x |
| Before / after | 69 | 0.88x | 40 | 1.21x |
| Silent selfie + text | 14 | 1.00x | 9 | 1.11x |
| B-roll montage + text + music | 39 | 1.20x | 31 | 1.20x |
| Reaction meme / skit | 56 | 1.27x | 41 | 1.31x |
| Hook clip + long caption | 23 | 1.67x | 11 | 1.75x |
Walls of text and green screens stay at the bottom with creators included, and on TikTok alone. Only 3 of the 60 business walls are from Instagram, so the wall finding is essentially a TikTok finding.
A second cut. A within-account comparison across 840 TikTok business videos from 105 accounts found that videos with more than 40 words on screen earned 0.78x the views of the same accounts' other videos (geometric mean; 95% interval 0.57x-1.08x; not statistically conclusive). On Instagram (152 videos from 20 accounts, all account types), the same split went the other way, at 1.21x (0.67x-2.26x).
These come from a separate review of 74 high-view TikTok posts (read 4 October 2026) and 80 saved Instagram posts. They were chosen for illustration and are top-of-niche winners, not a sample. Creator accounts aren't named.
| Format | Example | Views |
|---|---|---|
| Hook clip + caption | Product clip, on-screen text only "Please please read the caption" (47,500 comments) | 15.8M (TikTok) |
| List / itinerary montage | Italian road trip, one "Stop N" label per shot | 18.1M (Instagram) |
| Reaction meme | Personal trainer, "POV: your trainer when the weight looks too easy" | 9.0M (TikTok) |
| Green screen, reacting to news | Lawyer, "Real lawyer reacts" | 9.5M (TikTok) |
| Wall of text, list hook | Real estate, "14 Things to Avoid Before Buying a House" | 2.2M (TikTok) |
| Wall of text, reveal | Remote work, hook "15 remote first companies allowing you to work from ANYWHERE", then the list replaces it | 174K (Instagram; that account's other reels 3K-40K) |
Among the high-view list and itinerary montages we reviewed, saves ran at 25% to 110% of likes. Of the nine high-view green screens reviewed, six reacted to news or a viral clip.
Postdom. (2026, October 5). Types of TikTok videos ranked: walls of text and 7 other formats. https://postdom.com/research/types-of-tiktok-videos
This page is updated in place as new data arrives, and the link stays the same. Cite the date of the version you used.