Does TikTok SEO work? Videos that say their topic in search words got +22% views
November 2026
+22%views for videos that name their topic in search words in the description, on screen and out loud, against the same creator's other videos. Videos that named it nowhere got -18%.
"Write your caption for search" is the newest TikTok advice. We had AI read the description, the words on screen and the first 6 seconds of 11,595 videos and check whether each says its topic the way people type it into search. Videos that did, in all three places, got +22% views against the same creator's other videos.
The top lessons you can use
- Say the topic the way people search it, in all three places: the description, the words on screen and your first sentence. Videos that did got +22% views and +25% saves.
- Write a real description. Descriptions that were only hashtags got -19% views; descriptions with a search phrase +14%.
- Put the topic on screen. A headline with a search phrase got +15% views; a headline that didn't name the topic -14%.
- Length isn't the point. Descriptions over 150 characters got -1% views; it's the words, not the word count.
Key points
Search phrase in description, screen and speech: +22% views.
Topic named nowhere: -18% views.
Search-phrase videos: +25% saves per view.
Hashtag-only descriptions: -19% views.
The specifics
Search words everywhere: +22% views
22% of videos named their topic in a phrase people search for ("how to pay off debt", "skincare for oily skin") in all three places: the description, the on-screen headline and the first spoken sentence. They got +22% views (range +16% to 29%), +13% shares and +25% saves per view against the same creator's other videos.
Vague videos got -18%
17% of videos didn't use a search phrase anywhere: a teaser ("you need to hear this"), a joke or a reaction. They got -18% views (range -23 to -14%) and -27% saves.
Each place counts
On its own, a search phrase in the description went with +14% views, on screen +15% and in the first sentence +14%. Not naming the topic cost views in each: -13% in the description, -14% on screen, -6% out loud.
Hashtags aren't a description
4% of descriptions were only hashtags. They got -19% views (range -31 to -7%). Long descriptions (over 150 characters) got -1% views: no clear difference, though +12% more saves.
On Instagram, the words on screen mattered most
In 2,809 Instagram Reels from 201 creators, a headline on screen with a search phrase got +10% views (range 2 to 20%) against the same creator's other reels, and a caption that didn't name the topic got -15%. Search words in all three places got +2%, not the clear lift TikTok showed.
Description, screen and speech
Whether each part of the video names the topic in a phrase people search for, against the same creator's other videos.
Views against the creator's usual
Views, shares and saves
| Video | Share of videos | Views | Shares per view | Saves per view |
|---|---|---|---|---|
| Description uses a search phrase | 54% | +14% | +6% | +20% |
| Description doesn't name the topic | 11% | -13% | -7% | -22% |
| On-screen headline uses a search phrase | 55% | +15% | +6% | +19% |
| On-screen headline doesn't name the topic | 30% | -14% | -9% | -16% |
| Spoken opening uses a search phrase | 50% | +14% | +13% | +23% |
| Spoken opening doesn't name the topic | 24% | -6%* | -15% | -25% |
| Search phrase in all three | 22% | +22% | +13% | +25% |
| Topic in none of the three | 17% | -18% | -12% | -27% |
| A "how to" topic | 17% | +5%* | +12% | +28% |
| Description is only hashtags | 4% | -19% | -3%* | -8% |
| Description over 150 characters | 42% | -1%* | +3%* | +12% |
* not a clear difference: the 95% range includes no change.
How often each part names the topic
| Part | Search phrase | A loose topic word | Not at all |
|---|---|---|---|
| Description | 54% | 35% | 11% |
| On-screen headline | 55% | 14% | 30% |
| First spoken sentence | 50% | 27% | 24% |
On Instagram Reels
The same labels on 2,809 Instagram Reels from 201 creators (the caption in place of the description), each against the same creator's reels from the month either side. Instagram doesn't show shares or saves, so views only, and the sample is much smaller than TikTok's.
Instagram Reels
| Reel | Share of reels | Views |
|---|---|---|
| Caption uses a search phrase | 63% | -6%* |
| Caption doesn't name the topic | 7% | -15% |
| On-screen headline uses a search phrase | 49% | +10% |
| On-screen headline doesn't name the topic | 33% | -7%* |
| Spoken opening uses a search phrase | 38% | -3%* |
| Spoken opening doesn't name the topic | 45% | +10% |
| Search phrase in all three | 19% | +2%* |
| Topic in none of the three | 19% | -1%* |
| A "how to" topic | 16% | -12% |
| Caption over 150 characters | 64% | +8%* |
* not a clear difference: the 95% range includes no change. With this many comparisons, one or two clear-looking results could be chance.
Short answers from this study
Questions people ask
Does TikTok SEO actually work?
Videos that said their topic the way people search for it, in the description, on screen and out loud, got +22% views against the same creator's other videos; videos that named it nowhere got -18%. Some of that may be because clear videos do better anyway.
What should I put in my TikTok description?
The phrase someone would search to find your video ("how to save for a house"), in plain words. Hashtag-only descriptions got -19% views.
Does TikTok read what you say in the video?
We can't see inside TikTok search, but saying the search phrase out loud in the first sentence went with +14% views and +23% saves against the same creator's other videos.
Does SEO work on Instagram Reels?
Partly. Reels with a search phrase in the on-screen headline got +10% views against the same creator's other reels, and captions that didn't name the topic -15%. Search words in caption, screen and speech together made no clear difference (+2%).
Do long TikTok descriptions get more views?
Not clearly: over 150 characters got -1% views. What mattered was naming the topic in search words.
Images to post, repost and embed
Free to use under CC BY 4.0. Keep the credit on the image, and link to yapanddone.com/studies/tiktok-seo when you can. Feed cards are 4:5 for Instagram and LinkedIn; story cards are 9:16 for TikTok, Reels and Stories.
Charts for articles
A 30-second script from this study
Free to use for your own TikTok, Reel or Short. Please keep the credit on screen.
Hook (first 2 seconds): Your TikTok caption is costing you views.
The number: We checked 11,595 TikToks. Videos that said their topic the way people search it, in the caption, on screen and out loud, got +22% views. Vague ones got -18%.
Show: The search-words chart: all three at the top, hashtag-only at the bottom.
Takeaway: Say what your video is about, in the words people would search, in all three places.
On screen: Source: Yap & Done study, yapanddone.com/studies/tiktok-seo
As data: script.json.
More on descriptions
Our replies-and-series study tests description length, questions and emojis.
The first words of a TikTok How long should a TikTok description be?How we did it
- Videos: 11,595 TikTok videos from 800 creators in 10 advice niches, picked from each creator's recent videos without looking at how they did (the hooks study's random and baseline samples).
- Labels: Gemini (gemini-3.8-flash) read each video's description, on-screen headline and the transcript of its first 6 seconds, wrote the phrase a viewer would most likely search to find it, and marked whether each part uses a phrase close to that search, only a loose topic word, or doesn't name the topic.
- Against the creator's usual: each video's views divided by the creator's typical views at the time, then compared with the same creator's other videos. Shares and saves are per view, compared the same way. Changes are geometric means; ranges are 95% ranges from resampling creators.
- Instagram: up to two pages of recent reels from each Instagram creator in our follower study, fetched in November 2026 and at least two weeks old (2,809 reels from 201 creators). Gemini read the caption, a frame 1.5 seconds in for the on-screen headline, and the first 6 seconds of speech. Each reel's views are against the median of the same creator's reels posted within 30 days either side.
Limitations
- This shows what goes with more views, not what causes them. A video that names its topic clearly may simply be a clearer, more useful video, which would get more views from the For You feed too.
- We can't see where views came from (search or For You), so we can't say how much of the difference is search traffic.
- Advice niches, where people search for answers. Entertainment may work differently.
Use it, cite it
The aggregated results are free to reuse under CC BY 4.0. Journalists, researchers and AI agents can pull the full numbers below; the plain-text summary contains the whole study.
Cite as
Press questions or a custom cut of the data: contact us. We refresh this study each quarter; this page always shows the latest snapshot.