Álex Riveiro engagement report
@alex_riveiro - 310K followers on X
Measured over 31 original posts from a 30-day window, last computed on October 15, 2026.
Engagement
A typical post picks up 339 interactions against 310K followers, an engagement rate of 0.109%. Measured over 31 original posts, its engagement rate beats 61% of 21,624 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 10K times each, and 3.34% of those impressions turn into an interaction. That is about 3.28% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1 post a day over the last 30 days, with activity on almost every day in the window. Most posts go out around 12:00 UTC, and Monday is the busiest day of the week. Of the 31 posts sampled, 97% carry an image or video. The account's strongest tracked post pulled 1.2K interactions, about 3.6x its own typical post. Recurring topics include #felizsabado, #astronomia, #felizjueves.
Measured over 31 original posts from a 30-day window, last computed on October 15, 2026. Recurring tags: #felizsabado, #astronomia, #felizjueves.
Compared with accounts its own size
Álex Riveiro's engagement rate beats 61% of the tracked X accounts closest to it in follower count (21,624 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 77% 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 0.109%, Álex Riveiro sits above the 25th percentile of the 218,597 accounts in this comparison. That places it in the below the median band, which runs 0.025% to 0.149%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.004% |
| 25th percentile | 0.025% |
| 50th percentile | 0.149% |
| 75th percentile | 0.705% |
| 90th percentile | 2.63% |
| 99th percentile | 82.5% |
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 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% | 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 | 97% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 3% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | +15% | +14% to +16% | 32K |
- 97% 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.
- 3% 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 365 characters, which falls in the over 280 characters band. Across the catalog, posts over 280 characters run 15% above 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
- Aug 28, 20263.6x their median
Este disco de material rodea a una joven estrella, llamada PDS 70. En él centro está la estrella y, en la derecha, podemos ver una pequeña mancha, que se corresponde con el planeta PDS 70c. En su entorno hay una mancha todavía más difusa que, se cree, podría corresponderse con un disco en el que se estarían formando sus futuros satélites... #FelizFinde
- Aug 23, 20262.8x their median
La nebulosa Cabeza de Caballo es una de las formaciones más populares del firmamento. Está a 1500 años luz y es parte del complejo de la nube de Orión. Mide cinco años luz y podemos verla porque su silueta de polvo queda destacada por el brillo de la nebulosa IC 434. #FelizDomingo
- Oct 9, 20262.4x their median
Este es el espectacular Monte Olimpo, en Marte. Es el volcán más alto del Sistema Solar y mide unas tres veces más que el Everest. Es decir, mide alrededor de 25 kilómetros. Se cree que su última erupción sucedió hace 25 millones de años. Aquí, lo vemos desde la órbita gracias a la sonda Mars Express. #FelizFinde
- Aug 17, 20261.9x their median
Esta nebulosa es conocida como el Casco de Thor, porque su aspecto recuerda al casco del popular dios nórdico. Es una burbuja interestelar, producto del viento estelar de una estrella masiva cerca de su centro. Está a 15 000 años luz del Sistema Solar, en la dirección de la constelación del Can Mayor. Crédito: R. Biswas #FelizLunes
- Aug 21, 20261.8x their median
¿Qué sucede cuando una estrella explota en forma de supernova? El resultado es algo como esto: los restos de la supernova Cassiopeia A, que aquí vemos en el espectro infrarrojo, gracias al telescopio James Webb. Está a 11 000 años luz y la supernova debió producirse hace unos 350 años. Crédito: NASA/ESA/CSA et al. #FelizFinde
- Jul 29, 20261.7x their median
Este colorido paisaje es el de la nebulosa Messier 78, vista a través del telescopio Euclid, en los espectros visible e infrarrojo, permitiendo entender mejor como es el proceso de formación de estrellas. Messier 78 está a 1300 años luz del Sistema Solar. #FelizMiercoles https://t.co/Rl1gPBuHHn
- Aug 1, 20261.7x their median
Esta es la nebulosa Cabeza de Pez, una región de formación de estrellas que está en la dirección de la constelación de Casiopea. Está a 6000 años luz del Sistema Solar y mide unos 70 años luz. #FelizSabado https://t.co/hnHh2HCgmo
- Sep 3, 20261.6x their median
Esta bonita galaxia espiral es NGC 7331, que está a unos 50 millones de años luz de la Vía Láctea, en la dirección de la constelación de Perseo. De fondo, podemos ver galaxias mucho más lejanas. Crédito: I. Gorenstein #FelizJueves https://t.co/GnURf54Uay
- Aug 14, 20261.6x their median
Esta es una de las galaxias más extrañas que conocemos. En 1950, Arthur Hoag la descubrió de casualidad (y por eso la conocemos como el Objeto de Hoag). En su exterior, tiene un anillo dominado por estrellas azules. En el centro, hay una gran bola de estrellas más rojizas y mucho más viejas. Entre ambos, parece no haber nada. ¿Cómo se formó? Hay diferentes hipótesis, pero ninguna es plenamente convincente. #FelizFinde
- Sep 4, 20261.6x their median
Abell 370 es un gigantesco cúmulo de galaxias que está a 4000 millones de años luz, visto por el telescopio Hubble. Su enorme gravedad provoca que podamos ver estructuras en forma de arcos. Son, en realidad, galaxias más lejanas cuya luz ha sido deformada por la gravedad del cúmulo. Crédito: NASA/ESA/J. Lotz #FelizFinde
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 339 interactions against 310K followers, an engagement rate of 0.109%. Measured over 31 original posts, its engagement rate beats 61% of 21,624 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 10K times each, and 3.34% of those impressions turn into an interaction. That is about 3.28% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1 post a day over the last 30 days, with activity on almost every day in the window. Most posts go out around 12:00 UTC, and Monday is the busiest day of the week. Of the 31 posts sampled, 97% carry an image or video. The account's strongest tracked post pulled 1.2K interactions, about 3.6x its own typical post. Recurring topics include #felizsabado, #astronomia, #felizjueves.
- What is Álex Riveiro's engagement rate on X?
- Álex Riveiro (@alex_riveiro) has an engagement rate of 0.109%, based on the median interactions across 31 original posts from the last 30 days against 309,913 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.109%, Álex Riveiro sits above the 25th percentile of the 218,597 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 @alex_riveiro have real engagement?
- Its engagement rate beats 61% of the tracked X accounts closest to it in follower count (21,624 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 @alex_riveiro post?
- Most posts go out around 12:00 UTC, and Monday is its busiest day, at roughly 1.03 posts per day across the measured window.