Chris van Tulleken π³οΈβπ engagement report
@DoctorChrisVT - 1.1M followers on X
Measured over 7 original posts from a 30-day window, last computed on September 1, 2026.
Engagement
Early reading. We have captured 7 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 126 interactions against 1.1M followers, an engagement rate of 0.011%. Posts are seen about 41K times each, and 0.311% of those impressions turn into an interaction. That is about 3.63% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.6 posts a day over the last 30 days, with activity on roughly 47% of days. Most posts go out around 15:00 UTC, and Monday is the busiest day of the week. Of the 7 posts sampled, 14% carry an image or video and 71% link out. The account's strongest tracked post pulled 255 interactions, about 2.0x its own typical post. Recurring topics include #breakingground, #drc, #ebola. Only 7 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 7 original posts from a 30-day window, last computed on September 1, 2026. Recurring tags: #breakingground, #drc, #ebola.
Where this sits in the catalog
At 0.011%, Chris van Tulleken π³οΈβπ sits above the 10th percentile of the 37,856 accounts in this comparison. That places it in the bottom 25% band, which runs below 0.012%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.002% |
| 25th percentile | 0.012% |
| 50th percentile | 0.081% |
| 75th percentile | 0.439% |
| 90th percentile | 2.10% |
| 99th percentile | 155.6% |
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 15:00 UTC, and Monday 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% | 53K |
| 01:00 UTC | -2% | 53K |
| 02:00 UTC | -3% | 52K |
| 03:00 UTC | -4% | 55K |
| 04:00 UTC | -6% | 44K |
| 05:00 UTC | -4% | 43K |
| 06:00 UTC | -4% | 50K |
| 07:00 UTC | -5% | 54K |
| 08:00 UTC | -4% | 63K |
| 09:00 UTC | -3% | 72K |
| 10:00 UTC | -2% | 75K |
| 11:00 UTC | -3% | 81K |
| 12:00 UTC | -2% | 90K |
| 13:00 UTC | -2% | 98K |
| 14:00 UTC | -3% | 101K |
| 15:00 UTC | -2% | 105K |
| 16:00 UTC | -4% | 102K |
| 17:00 UTC | -3% | 95K |
| 18:00 UTC | -1% | 88K |
| 19:00 UTC | -2% | 83K |
| 20:00 UTC | -1% | 77K |
| 21:00 UTC | -1% | 69K |
| 22:00 UTC | -2% | 60K |
| 23:00 UTC | -2% | 53K |
Show engagement by day of week as a table
| Day | Vs author median | Posts |
|---|---|---|
| Sunday | +5% | 238K |
| Monday | 0% | 302K |
| Tuesday | -3% | 302K |
| Wednesday | -1% | 257K |
| Thursday | -2% | 250K |
| Friday | -3% | 259K |
| Saturday | +3% | 233K |
Best tweets
- Aug 21, 20262.0x their median
"At the show were also seven wholesalers selling chocolate bars, crisps, and sweets, one of which had a display stand full of bags of Walkers crisps, Lucozade, Mars bars, and Kit Kats, with a sign saying βPlease help yourself.β Five ice cream firms were present, four soft drinks companies, and other suppliers that make items including pizzas and cake mixes and confectionery vending machines." Incredible investigation of the UKβs biggest school food show by @bmj_latest with @BiteBack2030 - unhealthy food is very much on the menu for kids. https://t.co/s3sI0EcJHy @BiteBack2030
- Aug 17, 20261.8x their median
BMJ is corrupt. Retracts the Mostert paper in violation of COPE guidelines. So you should put your trust what has been REMOVED from the journals, not what is in the journals.
- Aug 22, 2026
β For decades food companies have employed scientists to work out how to keep you eating without stopping long enough to remember you have a body... β¦By contrast, the selling point of Magnumβs new ice-creams seems to be they will keep you laser-focused on your own body.β A magnificent piece on ice cream in todayβs @guardian by @kitty__drake - one of the best food articles Iβve read. https://t.co/gw7lclxfFH
- Aug 8, 2026
I went for a full body MOT and the results came as a shock https://t.co/CruKm87LVe
- Aug 10, 2026
"It will turbocharge inequality; it is already facilitating a breathtaking shift of power and wealth from the hands of the many to the hands of a tiny number of men who β to put it in terms for which I canβt be sued β seem to hold dangerously damaged views about the value and dignity of human life." Much needed piece by author and academic Katherine Rundell in the @Guardian on the effect of AI on kids. Do we need for the sort of approaches we are seeing with social media and other online harms? https://t.co/Ik1LmRJz78
- Aug 17, 2026
I am working on an article about putting yourself out there as a writer or editor. Have you sought after something that felt unreachable? If so, I'd love to chat.
- Aug 19, 2026
Insightful interview with Jim Krieger on the operational definition of UPFs, providing an excellent fit for US policy purposes. https://t.co/BMbnAnAHIS
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.
Recurring topics
The most frequent hashtags in the sampled posts. They describe what this account writes about; they are not a performance signal, and the catalog-wide breakdown on the hub shows how little hashtag count moves.
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Reading these numbers
A typical post picks up 126 interactions against 1.1M followers, an engagement rate of 0.011%. Posts are seen about 41K times each, and 0.311% of those impressions turn into an interaction. That is about 3.63% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.6 posts a day over the last 30 days, with activity on roughly 47% of days. Most posts go out around 15:00 UTC, and Monday is the busiest day of the week. Of the 7 posts sampled, 14% carry an image or video and 71% link out. The account's strongest tracked post pulled 255 interactions, about 2.0x its own typical post. Recurring topics include #breakingground, #drc, #ebola. Only 7 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 Chris van Tulleken π³οΈβπ's engagement rate on X?
- Chris van Tulleken π³οΈβπ (@DoctorChrisVT) has an engagement rate of 0.011%, based on the median interactions across 7 original posts from the last 30 days against 1,115,861 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.011%, Chris van Tulleken π³οΈβπ sits above the 10th percentile of the 37,856 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 @DoctorChrisVT have real engagement?
- There is not yet enough sample to rank this account against others of its size.
- When does @DoctorChrisVT post?
- Most posts go out around 15:00 UTC, and Monday is its busiest day, at roughly 1.57 posts per day across the measured window.