Tim Urban engagement report
@waitbutwhy - 902K followers on X
Measured over 5 original posts from a 30-day window, last computed on October 24, 2026.
Engagement
Early reading. We have captured 5 original posts for this account, below the 8 we require before treating a median as settled. The numbers above describe what we have seen so far, not a finished profile of the account.
A typical post picks up 740 interactions against 902K followers, an engagement rate of 0.082%. Posts are seen about 81K times each, and 0.908% of those impressions turn into an interaction. That is about 9.04% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.4 posts a day over the last 30 days, though only 27% of days saw any activity at all. Most posts go out around 18:00 UTC, and Saturday is the busiest day of the week. Of the 5 posts sampled, 60% carry an image or video and 20% are part of a thread. The account's strongest tracked post pulled 110K interactions, about 149x its own typical post. Only 5 original posts have been captured so far, fewer than the 8 posts we want behind a median before treating it as settled. Read the figures above as an early measurement of this account, not as a finished profile of it.
Measured over 5 original posts from a 30-day window, last computed on October 24, 2026.
Where this sits in the catalog
At 0.082%, Tim Urban sits above the 25th percentile of the 204,880 accounts in this comparison. That places it in the below the median band, which runs 0.024% to 0.143%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.004% |
| 25th percentile | 0.024% |
| 50th percentile | 0.143% |
| 75th percentile | 0.678% |
| 90th percentile | 2.55% |
| 99th percentile | 82.4% |
This ruler is the whole measured catalog, not a size-matched group: it shows where the raw rate falls across every account we can measure, all of which are large. For a like-for-like comparison, read the size-band percentile above instead. See how the bands are built
Posting timing
This account posts most often around 18:00 UTC, and Saturday is its busiest day of the week. The bars below are the catalog-wide pattern, with this account's own busiest slot marked. They do not show how this account performs at each hour: we keep one aggregate per account, not one per hour, so that measurement does not exist in our data.
Show engagement by hour posted, utc as a table
| Hour (UTC) | Vs author median | Posts |
|---|---|---|
| 00:00 UTC | -1% | 89K |
| 01:00 UTC | -2% | 90K |
| 02:00 UTC | -3% | 88K |
| 03:00 UTC | -4% | 94K |
| 04:00 UTC | -5% | 76K |
| 05:00 UTC | -4% | 75K |
| 06:00 UTC | -5% | 86K |
| 07:00 UTC | -5% | 93K |
| 08:00 UTC | -4% | 108K |
| 09:00 UTC | -4% | 124K |
| 10:00 UTC | -3% | 129K |
| 11:00 UTC | -3% | 141K |
| 12:00 UTC | -3% | 154K |
| 13:00 UTC | -3% | 167K |
| 14:00 UTC | -4% | 173K |
| 15:00 UTC | -2% | 176K |
| 16:00 UTC | -3% | 171K |
| 17:00 UTC | -3% | 159K |
| 18:00 UTC | -2% | 149K |
| 19:00 UTC | -2% | 141K |
| 20:00 UTC | -1% | 131K |
| 21:00 UTC | 0% | 116K |
| 22:00 UTC | -2% | 100K |
| 23:00 UTC | -1% | 90K |
Show engagement by day of week as a table
| Day | Vs author median | Posts |
|---|---|---|
| Sunday | +5% | 393K |
| Monday | +1% | 483K |
| Tuesday | -2% | 520K |
| Wednesday | -3% | 472K |
| Thursday | -2% | 430K |
| Friday | -3% | 447K |
| Saturday | +2% | 393K |
Formats this account uses
Its own posting mix on the left, and what each of those formats does across every account we track on the right. Only formats where the effect clears our publish test appear here, so an empty row is a format we could not measure rather than one that does nothing.
| Format | This account | Catalog effect | 95% interval | Accounts behind it |
|---|---|---|---|---|
| Image or video | 60% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 0% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | no effect | -2% to -1% | 42K |
- 60% of this account's sampled posts carry an image or video. Across the catalog, posts with an image or video run 111% above the same accounts' other posts.
- 0% of its posts carry a link off X. Across the catalog, posts with an outbound link run 41% below the same accounts' other posts.
- Its average post runs 213 characters, which falls in the 180 - 280 characters band. Across the catalog, posts of 180 to 280 characters match the same accounts' other posts almost exactly.
These are catalog-wide differences applied to this account's own posting mix, not a measurement of how each format performs for this account specifically. We keep one median per account, not one per format per account, so the second thing is not something this data can tell you.
Best tweets
- Aug 15, 2026149x their median
Acabo de ver el montaje de Javier Castro "Los colores del eclipse" y me parece de una brutalidad... https://t.co/Ddus1uIQ0w
- May 24, 202632x their median
Engineering is magic https://t.co/anFKWe42do
- May 1, 202652x their median
George Washington died in 1799. The first dinosaur fossil was discovered in 1864. George Washington never knew dinosaurs existed https://t.co/xvRJTb9X30
- Aug 12, 202698x their median
My favorite capture of the night: The moment the moon's shadow split the sunset in half, leaving a diamond ring in the sky and a breathtaking view. I call it "Shadows on the Balearic Sea". I'll have prints available for this one linked in my bio for a few days only. https://t.co/2NMxe2mlYr
- Jun 20, 202611x their median
Toddler amnesia is such a bummer https://t.co/J5Ts6PIEK5
- Jun 13, 202615x their median
Özgürlük Heykeli'nin oksidasyon süreci: https://t.co/MKwOdZOOP0
- Jul 1, 202611x their median
In 1825, a rich Welsh industrialist bought an entire American town to prove that socialism could work. He had the money, the buildings, the theory, and hundreds of eager followers waiting to move in. Two years later, it was over. 🧵 https://t.co/z0HqcbTQ8P
- Aug 1, 202630x their median
Visualisation of terms in geography https://t.co/sAlUIfAaL1
- May 25, 202613x their median
Area of circle https://t.co/unFukRatz5
- Jul 25, 202628x their median
Fun fact: Humans are supersensitive to the smell of rain (the substance geosmin) - the nose needs only 5 molecules per trillion. For comparison, we detect this smell 200,000 times better than a great white shark senses blood in water. Why does a human need such a powerful rain detector? What were our cave-dwelling ancestors so afraid of? What kind of creature came with the rain? Is it still here?!
Ranked by total interactions across everything we have tracked for this account, which is a longer history than the 30-day window the rates above use. The multiple compares each post to this account's own median.
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Reading these numbers
A typical post picks up 740 interactions against 902K followers, an engagement rate of 0.082%. Posts are seen about 81K times each, and 0.908% of those impressions turn into an interaction. That is about 9.04% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.4 posts a day over the last 30 days, though only 27% of days saw any activity at all. Most posts go out around 18:00 UTC, and Saturday is the busiest day of the week. Of the 5 posts sampled, 60% carry an image or video and 20% are part of a thread. The account's strongest tracked post pulled 110K interactions, about 149x its own typical post. Only 5 original posts have been captured so far, fewer than the 8 posts we want behind a median before treating it as settled. Read the figures above as an early measurement of this account, not as a finished profile of it.
- What is Tim Urban's engagement rate on X?
- Tim Urban (@waitbutwhy) has an engagement rate of 0.082%, based on the median interactions across 5 original posts from the last 30 days against 901,823 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.082%, Tim Urban sits above the 25th percentile of the 204,880 accounts in this comparison. Those comparison accounts are all large ones, because our scanning cadence is weighted towards big accounts, so this is a ranking among peers of similar scale rather than a ranking across X.
- Does @waitbutwhy have real engagement?
- There is not yet enough sample to rank this account against others of its size.
- When does @waitbutwhy post?
- Most posts go out around 18:00 UTC, and Saturday is its busiest day, at roughly 0.4 posts per day across the measured window.