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World and Science engagement report

@WorldAndScience - 2.6M followers on X

Measured over 202 original posts from a 30-day window, last computed on October 25, 2026.

Engagement

Per follower
0.004%
of 2.6M followers
Per impression
0.586%
19K views on a typical post
Reach
0.75%
of its followers see a post
Typical post
113
interactions (median)
Saved
0.036%
7 bookmarks on a typical post
Posting rate
6.8/day
active 103% of days
Peak time
18:00 UTC
Friday

A typical post picks up 113 interactions against 2.6M followers, an engagement rate of 0.004%. Posts are seen about 19K times each, and 0.586% of those impressions turn into an interaction. That is about 0.752% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 6.8 posts a day over the last 30 days, with activity on almost every day in the window. Most posts go out around 18:00 UTC, and Friday is the busiest day of the week. Of the 202 posts sampled, 55% carry an image or video and 24% link out. The account's strongest tracked post pulled 892 interactions, about 7.9x its own typical post.

Measured over 202 original posts from a 30-day window, last computed on October 25, 2026.

Where this sits in the catalog

At 0.004%, World and Science 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%.

p100.004%
p250.024%
p50 (median)0.143%
p750.677%
p902.55%
p9982.4%
Engagement rate as a share of followers, across the 204,424 accounts we have scanned enough to measure. The axis is logarithmic, because the top and bottom of this population are about 22,888 times apart and a linear axis would flatten everything below the median into a single point.
Show the percentile table
Engagement rate percentiles
PercentileEngagement rate
10th percentile0.004%
25th percentile0.024%
50th percentile0.143%
75th percentile0.677%
90th percentile2.55%
99th percentile82.4%

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 Friday 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.

Engagement by hour posted, UTCTwenty-four bars, one per UTC hour. Each bar shows how posts published in that hour compare with their own authors' median engagement. Bars above the centre line ran higher than the median, bars below ran lower. A marker flags Busiest hour: 18:00 UTC.
0003060912151821
Above the authors' own mediansBelowScale: plus or minus 111%Busiest hour: 18:00 UTC
Show engagement by hour posted, utc as a table
Engagement by hour posted, UTC
Hour (UTC)Vs author medianPosts
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 UTC0%116K
22:00 UTC-2%100K
23:00 UTC-1%90K
Engagement by day of weekSeven bars, one per weekday, Sunday first. Each bar shows how posts published on that day compare with their own authors' median engagement. Bars above the centre line ran higher than the median, bars below ran lower. A marker flags Busiest day: Friday.
SunMonTueWedThuFriSat
Above the authors' own mediansBelowScale: plus or minus 111%Busiest day: Friday
Show engagement by day of week as a table
Engagement by day of week
DayVs author medianPosts
Sunday+5%393K
Monday+1%483K
Tuesday-2%520K
Wednesday-3%472K
Thursday-2%430K
Friday-3%447K
Saturday+2%393K
See what moves engagement across the whole catalogWhat counts as a good engagement rate at this size

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.

This account's posting mix compared with catalog-wide effects
FormatThis accountCatalog effect95% intervalAccounts behind it
Image or video55% of posts+111%+108% to +115%34K
Outbound link24% of posts-41%-42% to -40%32K
Typical length--3%-3% to -2%54K
  • 55% 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.
  • 24% 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 179 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

  • Aug 14, 20267.9x their median

    A breathtaking look at PMR 1, the “Exposed Cranium Nebula”, a brain-like shell shaped by a dying star’s recurring eruptions. Credit: NASA, ESA, CSA, STScI, Image Processing: Joseph DePasquale (STScI) https://t.co/hlFe7SGzky

    7601197632K viewsView on X
  • Aug 16, 20266.6x their median

    These fine filaments are all that remain of a massive star that met its end in the Large Magellanic Cloud, a nearby satellite of the Milky Way. It is the brightest supernova remnant in the LMC (Credit: ESA/Hubble & NASA, S. Kulkarni, Y. Chu) https://t.co/6IyWoeySF2

    62511111432K viewsView on X
  • Jan 14, 20267.5x their median

    How big is the universe? https://t.co/jyOZfSG6sj

    406275636151K viewsView on X
  • Sep 15, 20266.4x their median

    The Cosmic Jewel Box Each tiny dot here represents an entire galaxy, each one teeming with endless worlds. (Video by Universal-Sci - Credit: RubinObs/NOIRLab/SLAC/NSF/DOE/AURA) https://t.co/KnnIASqURt

    6169210476K viewsView on X
  • Sep 9, 20266.3x their median

    Fascinating: A study by NASA concluded that an afternoon nap taken between 1 PM and 3 PM improves decision-making skills by 50% and boosts productivity by 35%.

    61348311682K viewsView on X
  • Sep 12, 20266.2x their median

    Spectacular: These dramatic structures are the Pillars of Creation. Their desert-like appearance is formed by vast regions of semi-transparent gas and dust. Credit: NASA, ESA, CSA, STScI; Joseph DePasquale (STScI), Anton M. Koekemoer (STScI), Alyssa Pagan (STScI) https://t.co/XwvkaxPSmf

    5929210340K viewsView on X
  • Aug 23, 20265.2x their median

    Striking: ESO’s VISTA telescope has captured an infrared image of the Orion Nebula, exposing previously hidden stars and details embedded in dusty regions. (Credit: ESO/J. Emerson/VISTA, Cambridge Astronomical Survey Unit) https://t.co/rQe8FHwpl8

    493951025K viewsView on X
  • Sep 30, 20265.1x their median

    At first glance, a sky full of stars... Look closer: most of these tiny points of light are actually galaxies! This Rubin Observatory view captures around 10 million of them, each with a story to uncover. (Video by WorldAndScience - Credit: RubinObs/NOIRLab/SLAC/NSF/DOE/AURA) https://t.co/nkq9SjAY84

    4748815337K viewsView on X
  • Oct 8, 20265.0x their median

    A breathtaking glimpse of the Small Magellanic Cloud, a small galaxy neighbouring our much larger Milky Way. It appears as a faint patch of light in the southern sky. (Credit: ESO/VISTa VMC / Video by Universal-Sci for WorldAndScience) https://t.co/VVjNtuPDIN

    4747022268K viewsView on X
  • Aug 16, 20264.9x their median

    Before our solar system existed, the Sun and planets began inside a cold, dusty molecular cloud. This gorgeous image of NGC 1333 shows a similar chapter unfolding among the stars today. (Credit: NASA, ESA, STScI) https://t.co/yt0HqDCjff

    460829225K viewsView on X

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 113 interactions against 2.6M followers, an engagement rate of 0.004%. Posts are seen about 19K times each, and 0.586% of those impressions turn into an interaction. That is about 0.752% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 6.8 posts a day over the last 30 days, with activity on almost every day in the window. Most posts go out around 18:00 UTC, and Friday is the busiest day of the week. Of the 202 posts sampled, 55% carry an image or video and 24% link out. The account's strongest tracked post pulled 892 interactions, about 7.9x its own typical post.

What is World and Science's engagement rate on X?
World and Science (@WorldAndScience) has an engagement rate of 0.004%, based on the median interactions across 202 original posts from the last 30 days against 2,564,861 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
Is that a good engagement rate?
At 0.004%, World and Science 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 @WorldAndScience have real engagement?
There is not yet enough sample to rank this account against others of its size.
When does @WorldAndScience post?
Most posts go out around 18:00 UTC, and Friday is its busiest day, at roughly 6.8 posts per day across the measured window.

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