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泉彩 SAI IZUMI engagement report

@AC______ - 431K followers on X

Measured over 22 original posts from a 30-day window, last computed on September 24, 2026.

Engagement

Middle of its size range
Per follower
0.042%
of 431K followers
Per impression
1.50%
12K views on a typical post
Reach
2.76%
of its followers see a post
Typical post
179
interactions (median)
Saved
0.004%
0 bookmarks on a typical post
Posting rate
3.83/day
active 33% of days
Peak time
10:00 UTC
Tuesday

A typical post picks up 179 interactions against 431K followers, an engagement rate of 0.042%. Measured over 22 original posts, its engagement rate beats 56% of 21,185 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 12K times each, and 1.50% of those impressions turn into an interaction. That is about 2.76% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 3.8 posts a day over the last 30 days, though only 33% of days saw any activity at all. Most posts go out around 10:00 UTC, and Tuesday is the busiest day of the week. Of the 22 posts sampled, 32% carry an image or video and 18% link out. The account's strongest tracked post pulled 10K interactions, about 58x its own typical post. Recurring topics include #ace8, #hachi, #ぽわぬからの回覧板.

Measured over 22 original posts from a 30-day window, last computed on September 24, 2026. Recurring tags: #ace8, #hachi, #ぽわぬからの回覧板.

Compared with accounts its own size

泉彩 SAI IZUMI's engagement rate beats 56% of the tracked X accounts closest to it in follower count (21,185 accounts, accounts of similar size (decile 10 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 58% 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 0.042%, 泉彩 SAI IZUMI sits above the 25th percentile of the 212,146 accounts in this comparison. That places it in the below the median band, which runs 0.025% to 0.146%.

p100.004%
p250.025%
p50 (median)0.146%
p750.694%
p902.61%
p9983.1%
Engagement rate as a share of followers, across the 212,146 accounts we have scanned enough to measure. The axis is logarithmic, because the top and bottom of this population are about 22,455 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 percentile0.025%
50th percentile0.146%
75th percentile0.694%
90th percentile2.61%
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 10:00 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.

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: 10:00 UTC.
0003060912151821
Above the authors' own mediansBelowScale: plus or minus 111%Busiest hour: 10:00 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: Tuesday.
SunMonTueWedThuFriSat
Above the authors' own mediansBelowScale: plus or minus 111%Busiest day: Tuesday
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 video32% of posts+111%+108% to +115%34K
Outbound link18% of posts-41%-42% to -40%32K
Typical length--3%-3% to -2%54K
  • 32% 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.
  • 18% 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 97 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 22, 202658x their median

    ぶいすぽっ!×ダーツライブ×ダーツハイブ コラボプロジェクト コラボメンバーが決定🎉 👾花芽 すみれ(@sumire_kaga)💤 💄八雲 べに(@beni_yakumo)💚 ☪紫宮 るな(@Runa_shinomiya)🐾 🍒猫汰 つな(@tsuna_nekota)✨ 以上4名が本プロジェクトを盛り上げてくれます❤️‍🔥 コラボキャンペーンは12月実施!  引き続き情報公開をお楽しみに!

    8.0K2.1K62581.1M viewsView on X
  • Aug 27, 202626x their median

    初音ミクシンフォニー🎻 2026-2027 Melodies on the Keys🎹 メインビジュアルイラスト Art by 泉彩 @AC______ 横浜、大阪公演🎫 チケット抽選受付中 8/31まで⚠️ https://t.co/LCQrTV7sHZ ゲストピアニスト🎹 まらしぃ@marasy8 #初音ミクシンフォニー https://t.co/MS1jXelwIi

    3.7K8195222458K viewsView on X
  • Sep 24, 202620x their median

    // 🐟 New Feature “Fishing”! \\ Catch fish at all kinds of spots! Choose your Fishing Bait and fishing spots carefully, and you might encounter an elusive fish 👀 Stay tuned for its release on 9/29 (Tue) at 11:00 AM (JST) 🙌 #holodori https://t.co/MOYLePgCSb

    3.2K3263784342K viewsView on X
  • Aug 27, 202610x their median

    20時~ 【Minecraft】ぶいすぽ夏祭り!メンバーと周ります🎆【ぶいすぽ / 猫汰つな】 https://t.co/KMneBAk6lj @YouTubeより https://t.co/SaSEwukZVw

    1.6K190184116K viewsView on X
  • Aug 28, 20264.9x their median

    C108のつなちゃんの水着アクスタ、作った数とboothに入荷した数が合わないなぁと思ってたらその分だけ家に返送されてきた。 台紙にちょっと印刷汚れみたいのがあるだけで、アクスタ自体にはなんも問題なかったので、良品として在庫に追加しようか検討中。

    8045414152K viewsView on X
  • Sep 7, 20264.8x their median

    ホロライブも新しいフェーズですね・・! ワイは応援するぞい!!💪

    816382025K viewsView on X
  • Aug 22, 20263.7x their median

    アッミオちゃんの水着等身大タペ完売してました・・! 仕事して気が付かなかった・・すみません・・!

    5923927026K viewsView on X
  • Aug 22, 20263.3x their median

    通販開始しました!よろしくお願いします!! C108大神ミオ等身大タペストリー | 大陸間弾道少女ストア https://t.co/ieUKEFhlgp #booth_pm

    43811132327K viewsView on X
  • Aug 22, 20263.0x their median

    こちら本日になりますーー!! お忘れなきようよろしくお願いします! C108大神ミオ等身大タペストリー | 大陸間弾道少女ストア https://t.co/ieUKEFhlgp #booth_pm

    445990224K viewsView on X
  • Aug 20, 20262.5x their median

    かわいいとかっこいいのダブルパンチ誕生日グッズだ!!!

    413301020K 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.

Recurring topics

#ace8#hachi#ぽわぬからの回覧板#ホロ甲2026#見でけろぽわぬん

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 179 interactions against 431K followers, an engagement rate of 0.042%. Measured over 22 original posts, its engagement rate beats 56% of 21,185 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 12K times each, and 1.50% of those impressions turn into an interaction. That is about 2.76% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 3.8 posts a day over the last 30 days, though only 33% of days saw any activity at all. Most posts go out around 10:00 UTC, and Tuesday is the busiest day of the week. Of the 22 posts sampled, 32% carry an image or video and 18% link out. The account's strongest tracked post pulled 10K interactions, about 58x its own typical post. Recurring topics include #ace8, #hachi, #ぽわぬからの回覧板.

What is 泉彩 SAI IZUMI's engagement rate on X?
泉彩 SAI IZUMI (@AC______) has an engagement rate of 0.042%, based on the median interactions across 22 original posts from the last 30 days against 430,706 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
Is that a good engagement rate?
At 0.042%, 泉彩 SAI IZUMI sits above the 25th percentile of the 212,146 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 @AC______ have real engagement?
Its engagement rate beats 56% of the tracked X accounts closest to it in follower count (21,185 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 @AC______ post?
Most posts go out around 10:00 UTC, and Tuesday is its busiest day, at roughly 3.83 posts per day across the measured window.

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