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Fast Co. Impact engagement report

@FastCoImpact - 175K followers on X

Measured over 3 original posts from a 30-day window, last computed on September 19, 2026.

Engagement

Per follower
0%
of 175K followers
Per impression
0%
1.3K views on a typical post
Reach
0.76%
of its followers see a post
Typical post
0
interactions (median)
Saved
0%
0 bookmarks on a typical post
Posting rate
0.1/day
active 3% of days
Peak time
13:00 UTC
Wednesday

Early reading. We have captured 3 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 0 interactions against 175K followers, an engagement rate of 0%. Posts are seen about 1.3K times each, and 0% of those impressions turn into an interaction. That is about 0.756% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.1 posts a day over the last 30 days, though only 3% of days saw any activity at all. Most posts go out around 13:00 UTC, and Wednesday is the busiest day of the week. Of the 3 posts sampled, 100% link out. The account's strongest tracked post pulled 4 interactions. Only 3 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 3 original posts from a 30-day window, last computed on September 19, 2026.

Where this sits in the catalog

At 0%, Fast Co. Impact sits below the 10th percentile of the 157,632 accounts in this comparison. That places it in the bottom 25% band, which runs below 0.022%.

p100.003%
p250.022%
p50 (median)0.128%
p750.604%
p902.32%
p9983.1%
Engagement rate as a share of followers, across the 157,632 accounts we have scanned enough to measure. The axis is logarithmic, because the top and bottom of this population are about 25,982 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 percentile0.003%
25th percentile0.022%
50th percentile0.128%
75th percentile0.604%
90th percentile2.32%
99th percentile83.1%

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 Wednesday 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: 13:00 UTC.
0003060912151821
Above the authors' own mediansBelowScale: plus or minus 111%Busiest hour: 13:00 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: Wednesday.
SunMonTueWedThuFriSat
Above the authors' own mediansBelowScale: plus or minus 111%Busiest day: Wednesday
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 video0% of posts+111%+108% to +115%34K
Outbound link100% of posts-41%-42% to -40%32K
Typical length--3%-3% to -2%54K
  • 0% 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.
  • 100% 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 83 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 6, 2025

    For a relatively cheap investment, more green space at a school offers long-term benefits to generations of students. https://t.co/pHG15pcJWX

    3100478 viewsView on X
  • Sep 2, 2025

    “Storytelling is how we’re able to draw people in and get them to connect to a deeper truth about themselves or about the world or a problem that needs to be solved." https://t.co/IvTYo9UYhD

    3010519 viewsView on X
  • Sep 19, 2025

    Genomines just raised $45 million to scale up a new type of mine that uses farming instead of explosives. https://t.co/yqsxwA6ZKE

    2010560 viewsView on X
  • Sep 17, 2025

    The tech giant just made a deal with Vaulted Deep, a startup that injects organic waste deep underground to store CO2. https://t.co/sA5GdxJQ6Q

    1010407 viewsView on X
  • Sep 15, 2025

    The indoor solar panels will be able to power small devices like remotes and smoke detectors, replacing the need for batteries. https://t.co/W7TJmw2I1r

    2000456 viewsView on X
  • Sep 12, 2025

    Encouraging electric vehicle adoption is even better for the climate than many people expected, because EV charging can actually cause lower-emitting power plants to be built. https://t.co/rrGIuAEwR7

    0110532 viewsView on X
  • Sep 8, 2025

    Planetary's antacid for the seas fights climate change by reducing ocean acidification. Here's how it works, the risks, and how the startup got these companies to pay for its service. https://t.co/ly959zOBMb

    0200426 viewsView on X
  • Sep 5, 2025

    Your usual sunscreen can destroy coral when it gets into the ocean. A new prototype made from pollen offers the same sun protection without the coral bleaching. https://t.co/K7ySDt2Vyn

    1100456 viewsView on X
  • Aug 19, 2026

    The classic blue color of denim has an environmental cost: Dyeing a single pair of jeans uses 20 gallons of water and requires industrial chemicals. Can the new digital printing startup Wtrlss change that? https://t.co/drloRuVp0M

    1000681 viewsView on X
  • Nov 6, 2025

    The legal system is failing Americans as authoritarianism targets LGBTQ+ rights https://t.co/HJeO2C8Ycy

    1000515 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 0 interactions against 175K followers, an engagement rate of 0%. Posts are seen about 1.3K times each, and 0% of those impressions turn into an interaction. That is about 0.756% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.1 posts a day over the last 30 days, though only 3% of days saw any activity at all. Most posts go out around 13:00 UTC, and Wednesday is the busiest day of the week. Of the 3 posts sampled, 100% link out. The account's strongest tracked post pulled 4 interactions. Only 3 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 Fast Co. Impact's engagement rate on X?
Fast Co. Impact (@FastCoImpact) has an engagement rate of 0%, based on the median interactions across 3 original posts from the last 30 days against 174,951 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
Is that a good engagement rate?
At 0%, Fast Co. Impact sits below the 10th percentile of the 157,632 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 @FastCoImpact have real engagement?
There is not yet enough sample to rank this account against others of its size.
When does @FastCoImpact post?
Most posts go out around 13:00 UTC, and Wednesday is its busiest day, at roughly 0.1 posts per day across the measured window.

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