European Space Agency engagement report
@esa - 1.9M followers on X
Measured over 31 original posts from a 30-day window, last computed on October 25, 2026.
Engagement
A typical post picks up 172 interactions against 1.9M followers, an engagement rate of 0.009%. Posts are seen about 24K times each, and 0.704% of those impressions turn into an interaction. That is about 1.29% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.9 posts a day over the last 30 days, with activity on roughly 70% of days. Most posts go out around 12:00 UTC, and Tuesday is the busiest day of the week. Of the 31 posts sampled, 90% carry an image or video and 87% link out. The account's strongest tracked post pulled 8.2K interactions, about 48x its own typical post. Recurring topics include #iac2026, #εpsilon, #darkuniverse.
Measured over 31 original posts from a 30-day window, last computed on October 25, 2026. Recurring tags: #iac2026, #εpsilon, #darkuniverse.
Where this sits in the catalog
At 0.009%, European Space Agency sits above the 10th percentile of the 204,424 accounts in this comparison. That places it in the bottom 25% band, which runs below 0.024%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.004% |
| 25th percentile | 0.024% |
| 50th percentile | 0.143% |
| 75th percentile | 0.677% |
| 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 12:00 UTC, and Tuesday 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 | 90% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 87% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | no effect | -2% to -1% | 42K |
- 90% 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.
- 87% of its posts carry a link off X. Across the catalog, posts with an outbound link run 41% below the same accounts' other posts, so a large share of this account's output sits in the weakest bucket we measure.
- Its average post runs 260 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 4, 202648x their median
For World Space Week 2026, we're teaming up with Pokémon to unite space exploration and a universe of imagination. More to come soon⚡️ https://t.co/fbjw1D6s7f #WorldSpaceWeek2026 #PokemonxESA https://t.co/n3vXofEVwe
- Aug 18, 202626x their median
Spacewalk complete. ✅ After 6 hours and 23 minutes outside the International Space Station, @Soph_astro is safely back inside. With today's EVA, Sophie becomes the first French woman to perform a spacewalk. 🇫🇷 https://t.co/i3BghrdaRK
- Aug 25, 202622x their median
Spectacular views of Sophie Adenot outside the ISS as she completes her second spacewalk alongside NASA astronaut Anil Menon. https://t.co/YcCMPR6q6Q
- Jul 25, 202618x their median
Based on current information, the Cebreros station appears to have remained unharmed. My deepest thanks go to the Spanish emergency services whose efforts helped protect the site as wildfires approached. The safety of our people remains my highest priority. All ESA workforce is safe and accounted for, although many colleagues continue to be affected by the wider emergency situation. I keep you all in my thoughts. We remain in close contact with the relevant authorities as the situation continues to evolve. As always, I will keep my workforce and the public informed. Please keep safe. Extreme heat and subsequent wildfires are the clearest indication that our climate is changing. I pledge to continue to advocate for increased monitoring and understanding of our planet. More info: https://t.co/3vWKN3aAZf Left: 24 July 19:57, Right: 25 July 07:54
- Sep 3, 202618x their median
Mercury Transfer Module separation confirmed! 📡 ✅ After nearly eight years in space and billions of kilometres travelled, #BepiColombo's Mercury Transfer Module has successfully separated. Signal acquired via our Cebreros deep-space antenna confirms the spacecraft is healthy and operating as expected. The MPO and Mio spacecrafts are now on their way to Mercury orbit insertion on 21 November. Farewell, MTM. Mercury awaits. ☀️🛰️
- Sep 6, 202617x their median
Last night, @isaraerospace achieved the first launch to orbit from continental Europe. The Spectrum launcher lifted off from Andøya Spaceport in Norway at 21:12 BST/22:12 CEST. Isar Aerospace is the first to reach orbit under @ESA_transport's European Launcher Challenge. Congratulations to all involved! More 👉 https://t.co/EVWxZiSVRQ 📷 Isar Aerospace
- Aug 20, 202617x their median
[🇫🇷 version FR 👇] Day 188 orbit 2915 — A few pictures from my first EVA, straight from Anil's camera... and mine! 📸 @esa / @NASA Jour 188, orbite 2915 – Quelques photos de ma première sortie dans l’espace, tout droit sorties de l’appareil photo d’Anil… et du mien ! #εpsilon •@esaspaceflight • @Space_Station • @NASAJohnson • @ESA_fr • @CNES
- Sep 21, 202616x their median
Pokémon is heading to space with ESA. 🚀⚡ For #WorldSpaceWeek2026, Pokémon and ESA are teaming up to inspire the next generation of explorers. A special Pikachu plush has even travelled to the International Space Station with ESA astronaut Sophie Adenot! The collaboration includes exhibitions at ESA sites and museums across Europe, exclusive ESA and Pokémon merchandise, and more. Join us for World Space Week from 4 October. More info 👉 https://t.co/7Zpkj6crex #PokemonxESA (Credits: ESA/NASA S. Adenot)
- Aug 13, 202614x their median
Solar eclipse as seen from space! From its vantage point in space, the Meteosat Third Generation Imager satellite (MTG-I1) captured the Moon’s dark shadow as it passed over Earth’s surface – converging with the advancing twilight shadow as dusk fell over Europe. ➡️https://t.co/GW5z2ebCo8 📹ESA/Eumetsat #EuropeanSolarEclipse
- Jul 21, 20266.9x their median
RFA ONE is on the launch pad. For the first time, our rocket is standing at SaxaVord Spaceport as we continue preparations for launch. Next step: first-stage hotfire testing. https://t.co/KICgw6yjSQ
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 172 interactions against 1.9M followers, an engagement rate of 0.009%. Posts are seen about 24K times each, and 0.704% of those impressions turn into an interaction. That is about 1.29% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.9 posts a day over the last 30 days, with activity on roughly 70% of days. Most posts go out around 12:00 UTC, and Tuesday is the busiest day of the week. Of the 31 posts sampled, 90% carry an image or video and 87% link out. The account's strongest tracked post pulled 8.2K interactions, about 48x its own typical post. Recurring topics include #iac2026, #εpsilon, #darkuniverse.
- What is European Space Agency's engagement rate on X?
- European Space Agency (@esa) has an engagement rate of 0.009%, based on the median interactions across 31 original posts from the last 30 days against 1,900,165 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.009%, European Space Agency sits above the 10th percentile of the 204,424 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 @esa have real engagement?
- There is not yet enough sample to rank this account against others of its size.
- When does @esa post?
- Most posts go out around 12:00 UTC, and Tuesday is its busiest day, at roughly 1.9 posts per day across the measured window.