Dr Zoe Harcombe, PhD engagement report
@zoeharcombe - 224K followers on X
Measured over 23 original posts from a 30-day window, last computed on October 2, 2026.
Engagement
A typical post picks up 196 interactions against 224K followers, an engagement rate of 0.087%. Measured over 23 original posts, its engagement rate beats 57% of 20,444 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 11K times each, and 1.80% of those impressions turn into an interaction. That is about 4.85% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 2.7 posts a day over the last 30 days, with activity on roughly 77% of days. Most posts go out around 13:00 UTC, and Thursday is the busiest day of the week. Of the 23 posts sampled, 70% carry an image or video, 22% are part of a thread and 22% link out. The account's strongest tracked post pulled 62K interactions, about 317x its own typical post.
Measured over 23 original posts from a 30-day window, last computed on October 2, 2026.
Compared with accounts its own size
Dr Zoe Harcombe, PhD's engagement rate beats 57% of the tracked X accounts closest to it in follower count (20,444 accounts, accounts of similar size (decile 9 of 10)). A percentile is spread evenly by construction, so 50 really is the middle of that group and 90 really is its top tenth.
On engagement per impression rather than per follower it beats 59% of the same group. When those two numbers disagree, the gap is about how far its posts travel rather than how people react to them.
Where this sits in the catalog
At 0.087%, Dr Zoe Harcombe, PhD sits above the 25th percentile of the 205,048 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 13:00 UTC, and Thursday 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 | 70% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 22% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | -3% | -3% to -2% | 54K |
- 70% 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.
- 22% 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 156 characters, which falls in the 80 - 180 characters band. Across the catalog, posts of 80 to 180 characters run 3% below the same accounts' other posts.
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
- Sep 8, 2026317x their median
https://t.co/FQrmL2YK3A
- Aug 15, 202639x their median
It was unsafe and unethical to administer mRNA COVID-19 vaccines to pregnant women and women of childbearing potential. That's why they were excluded from the 2020 registrational trials. Dr Rochelle Walensky knew this while smiling and telling women that vaccination at any time during pregnancy is fine. Courtesy FINNERTY, NewsMax @RobFinnertyUSA @NEWSMAX @adaraallen723 @twc_health
- Sep 21, 202624x their median
Is it just me ..?👇 https://t.co/y5c9yyy4Mr
- Sep 13, 202623x their median
Conflict in Ukraine explained in 60 seconds for those who are still confused… https://t.co/kRT9EtCsCE
- Jan 22, 201820x their median
My PhD examined the evidence for dietary fat guidelines. The key papers were: RCTs then: https://t.co/2lIeMNp3LJ Epidemiology then: https://t.co/Lr4ZOJWyU2 RCTs now: https://t.co/m2AFJCrwPs Epidemiology now: https://t.co/BPgjAFw7gL Finale (the one to read) https://t.co/kTRQ6dqP2j
- Sep 17, 202620x their median
Does anyone remember before the election, when Labour promised they would be careful with our money? They promised us they had fiscal rules. They promised no return to huge borrowing. They promised our kids wouldn't inherit this huge debt. Let's see how that's going... https://t.co/lAJBw8NYut
- Sep 11, 202618x their median
The Assisted Sucide bill has been voted DOWN!! Hurrah!! 286 to 270 votes Well done everyone for all your hard campaigning emails protests & consistency This is an enormous victory against State Killing !! https://t.co/9sFDZ9pDuU
- Jan 27, 202423x their median
More talk of conscription… So the government locks us in our homes, closes schools, stops us travelling, masks our faces, fires care workers, demands papers to go to a cinema and then asks us to fight. For what exactly?! Freedom?! 🤔 https://t.co/50WYWNYOEv
- Aug 15, 202611x their median
It’s quite funny watching people who thought the government wouldn’t abuse the emergency alert system, realizing that the government will abuse the emergency alert system. 🤣
- Aug 31, 20268.4x their median
The people that the government wants to fight for the country are the ones it’s been calling racist and extreme right wing for showing any patriotism. Good luck with that one! https://t.co/H05b8PcmGX
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 196 interactions against 224K followers, an engagement rate of 0.087%. Measured over 23 original posts, its engagement rate beats 57% of 20,444 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 11K times each, and 1.80% of those impressions turn into an interaction. That is about 4.85% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 2.7 posts a day over the last 30 days, with activity on roughly 77% of days. Most posts go out around 13:00 UTC, and Thursday is the busiest day of the week. Of the 23 posts sampled, 70% carry an image or video, 22% are part of a thread and 22% link out. The account's strongest tracked post pulled 62K interactions, about 317x its own typical post.
- What is Dr Zoe Harcombe, PhD's engagement rate on X?
- Dr Zoe Harcombe, PhD (@zoeharcombe) has an engagement rate of 0.087%, based on the median interactions across 23 original posts from the last 30 days against 224,421 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.087%, Dr Zoe Harcombe, PhD sits above the 25th percentile of the 205,048 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 @zoeharcombe have real engagement?
- Its engagement rate beats 57% of the tracked X accounts closest to it in follower count (20,444 accounts), which puts it in the middle of its size range group. Ranking inside a size band matters because engagement rate falls as accounts grow, so a raw rate would mostly re-measure the follower count. It is a starting point for a look at follower quality, not a verdict on it.
- When does @zoeharcombe post?
- Most posts go out around 13:00 UTC, and Thursday is its busiest day, at roughly 2.73 posts per day across the measured window.