三輪士郎/Shirow Miwa engagement report
@zi38 - 335K followers on X
Measured over 8 original posts from a 30-day window, last computed on September 3, 2026.
Engagement
A typical post picks up 3.9K interactions against 335K followers, an engagement rate of 1.17%. Measured over 8 original posts, its engagement rate beats 96% of 6,874 tracked accounts of a similar size. Comparing inside a size band matters here: engagement rate falls as accounts grow, so a raw rate would mostly just re-measure the follower count. Posts are seen about 80K times each, and 4.88% of those impressions turn into an interaction. That is about 23.9% 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 57% of days. Most posts go out around 10:00 UTC, and Friday is the busiest day of the week. Of the 8 posts sampled, 50% carry an image or video, 13% are part of a thread and 13% link out. The account's strongest tracked post pulled 31K interactions, about 7.8x its own typical post. Recurring topics include #ジョーカー・ゲーム, #c108, #ジョカステ.
Measured over 8 original posts from a 30-day window, last computed on September 3, 2026. Recurring tags: #ジョーカー・ゲーム, #c108, #ジョカステ.
Compared with accounts its own size
三輪士郎/Shirow Miwa's engagement rate beats 96% of the tracked X accounts closest to it in follower count (6,874 accounts, accounts of similar size (decile 8 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 89% 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 1.17%, 三輪士郎/Shirow Miwa sits above the 75th percentile of the 66,393 accounts in this comparison. That places it in the top 25% band, which runs 0.499% to 2.09%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.002% |
| 25th percentile | 0.016% |
| 50th percentile | 0.1% |
| 75th percentile | 0.499% |
| 90th percentile | 2.09% |
| 99th percentile | 119.5% |
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 10:00 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.
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 | 50% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 13% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | -8% | -9% to -7% | 41K |
- 50% 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.
- 13% 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 62 characters, which falls in the under 80 characters band. Across the catalog, posts under 80 characters run 8% 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, 20267.8x their median
本日はよろしくお願いします! https://t.co/Z0KRN18ZkG
- Aug 16, 20265.0x their median
三池兄弟実装10周年おめでとうございます!コミケのスペースに足を運んでいただいた皆さんも誠にありがとうございました。 https://t.co/XSdUSH99mf
- Aug 16, 20264.3x their median
コミケのお品書きの隅に描かれたやたらはっちゃけている三池兄弟は舞台刀剣乱舞十口伝の蔵出し映像集にて兄弟を演じられている磯野さん飯山さんが極衣装お披露目に喜んで頂いてる様子を見て描いたものでした https://t.co/0xeSH0tZee
- Aug 27, 20261.6x their median
デッ…… https://t.co/6XOdb06ykM
- Aug 3, 2026
取り急ぎ既存の絵ですまない…11周年おめでとうございます! https://t.co/1LZlbmEXsA #FGO #FGO11周年 #FGOカルデア学園祭 #FGO11周年メッセージ
- Aug 21, 2026
ジョーカー・ゲームが舞台なり再放送なりで話題が盛り返すと私の過去10年前のツイートやイラスト投稿などが発掘リポストされている形跡を確認し、己の狂態を久しぶりに目にして「なんだこの怪文書は」と動揺するなど。
- Aug 21, 2026
漫画本でO包平さんがお召しのTシャツは浅草のユニクロご当地UTでお求め可能な気がしますボソボソ
- Aug 17, 2026
賢し〜いスパイ〜がて〜んこ盛り〜
- Aug 14, 2026
とらあなさんトップページにて新刊『双駆』宣伝ジャックさせて頂いております! https://t.co/27BZ3IlkDb
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 3.9K interactions against 335K followers, an engagement rate of 1.17%. Measured over 8 original posts, its engagement rate beats 96% of 6,874 tracked accounts of a similar size. Comparing inside a size band matters here: engagement rate falls as accounts grow, so a raw rate would mostly just re-measure the follower count. Posts are seen about 80K times each, and 4.88% of those impressions turn into an interaction. That is about 23.9% 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 57% of days. Most posts go out around 10:00 UTC, and Friday is the busiest day of the week. Of the 8 posts sampled, 50% carry an image or video, 13% are part of a thread and 13% link out. The account's strongest tracked post pulled 31K interactions, about 7.8x its own typical post. Recurring topics include #ジョーカー・ゲーム, #c108, #ジョカステ.
- What is 三輪士郎/Shirow Miwa's engagement rate on X?
- 三輪士郎/Shirow Miwa (@zi38) has an engagement rate of 1.17%, based on the median interactions across 8 original posts from the last 30 days against 335,300 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 1.17%, 三輪士郎/Shirow Miwa sits above the 75th percentile of the 66,393 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 @zi38 have real engagement?
- Its engagement rate beats 96% of the tracked X accounts closest to it in follower count (6,874 accounts), which puts it in the top 10% for its size 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 @zi38 post?
- Most posts go out around 10:00 UTC, and Friday is its busiest day, at roughly 1.93 posts per day across the measured window.