芹澤優(i☆Ris) engagement report
@iRis_s_yu - 212K followers on X
Measured over 29 original posts from a 30-day window, last computed on October 5, 2026.
Engagement
A typical post picks up 2.6K interactions against 212K followers, an engagement rate of 1.22%. Measured over 29 original posts, its engagement rate beats 94% of 21,397 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 125K times each, and 2.07% of those impressions turn into an interaction. That is about 58.9% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 2.7 posts a day over the last 30 days, with activity on roughly 77% of days. Most posts go out around 03:00 UTC, and Saturday is the busiest day of the week. Of the 29 posts sampled, 79% carry an image or video and 52% link out. The account's strongest tracked post pulled 30K interactions, about 12x its own typical post. Recurring topics include #芹澤優, #i_ris, #agson.
Measured over 29 original posts from a 30-day window, last computed on October 5, 2026. Recurring tags: #芹澤優, #i_ris, #agson.
Compared with accounts its own size
芹澤優(i☆Ris)'s engagement rate beats 94% of the tracked X accounts closest to it in follower count (21,397 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 63% 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 1.22%, 芹澤優(i☆Ris) sits above the 75th percentile of the 214,043 accounts in this comparison. That places it in the top 25% band, which runs 0.7% to 2.62%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.004% |
| 25th percentile | 0.025% |
| 50th percentile | 0.147% |
| 75th percentile | 0.7% |
| 90th percentile | 2.62% |
| 99th percentile | 83.0% |
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 03:00 UTC, and Saturday 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 | 79% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 52% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | -3% | -3% to -2% | 54K |
- 79% 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.
- 52% 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 155 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
- Oct 5, 202612x their median
ILLGATOR Team Visual 解禁 ⠀⠀『THE VILLAINS』 ━━━━━━━━━━━━ 「他人の無様なツラは ⠀⠀最高のエンタメじゃ」 Paradox Live初の"ヴィラン"が、 物語をかき乱す。 ノア(CV:石橋陽彩) 安曇 芽生雨(CV:芹澤優) 夜舟 章杜(CV:堂島颯人) Next🐊 ▶ボイスドラマ"ILLGATOR" 10/6(火) 18:00〜 #パラライ
- Aug 28, 20267.6x their median
スマホ漁ってたら信じられないほど若いプリクラ出てきて大笑いしてる😇😇 https://t.co/qgn071P1X1
- Sep 20, 20266.2x their median
黒髪ツインテールでビジュ爆発💥💥 芹澤優勝ちゃんでした!! #アニエラ https://t.co/5dYCOhDKCe
- Sep 29, 20265.0x their median
◥◣新チーム"𝐈𝐋𝐋𝐆𝐀𝐓𝐎𝐑"◢◤ 「毎日ハッピーなら それでい〜じゃん?」 ━━━━━━━━━━━━━━ 🔽ボイストレーラーはこちら🎥 https://t.co/iydyeS2PQ8 【安曇 芽生雨(MENO AZUMI)】 MC NAME:みめのん X:@saikohappylife CV: #芹澤優 #パラライ https://t.co/os4Y0BiyHh
- Aug 22, 20264.5x their median
【新キャラクター&キャスト情報】 第19話で登場したケロリの妹、 クロケル・チマを演じるのは #芹澤優 さん!❄ #入間くん https://t.co/yd8ItfCcoF
- Sep 13, 20263.9x their median
シャインポスト BRiGHT STARS FESTIVAL 2026 Day.2ありがとうございました!HY:RAINでまたパフォーマンスできて、春と一緒に歌えて、本当に幸せな奇跡みたいな1日でした!ありがとうございました!!✨ #BSF2026 #シャインポスト https://t.co/J7TakRRywL
- Oct 3, 20263.7x their median
今日のお礼にギャル猫あげる💘 (結局巻き下ろしが1%勝ちました) https://t.co/YUqqNkRI1v
- Sep 8, 20263.6x their median
ありがとうございました!!! 超幸せ回でした!!! すみぺさんに可愛がられ(愛) 日笠さんにいじられ(愛) 大好きな先輩2人に囲まれる超幸せタイムでした!人生さいこうっっ🍻 #日笠芹澤と夜あそび #上坂芹澤と夜あそび https://t.co/MUqYx4uBck
- Sep 13, 20263.4x their median
ばいちけ黒金蓮さん💜 #BSF2026 #シャインポスト https://t.co/kYndQYBBX9
- Sep 26, 20262.8x their median
本日はちょっとお嬢感のあるセリコでした💙リリイベありがとう〜!! https://t.co/J2u9BCc0wa
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 2.6K interactions against 212K followers, an engagement rate of 1.22%. Measured over 29 original posts, its engagement rate beats 94% of 21,397 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 125K times each, and 2.07% of those impressions turn into an interaction. That is about 58.9% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 2.7 posts a day over the last 30 days, with activity on roughly 77% of days. Most posts go out around 03:00 UTC, and Saturday is the busiest day of the week. Of the 29 posts sampled, 79% carry an image or video and 52% link out. The account's strongest tracked post pulled 30K interactions, about 12x its own typical post. Recurring topics include #芹澤優, #i_ris, #agson.
- What is 芹澤優(i☆Ris)'s engagement rate on X?
- 芹澤優(i☆Ris) (@iRis_s_yu) has an engagement rate of 1.22%, based on the median interactions across 29 original posts from the last 30 days against 212,333 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 1.22%, 芹澤優(i☆Ris) sits above the 75th percentile of the 214,043 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 @iRis_s_yu have real engagement?
- Its engagement rate beats 94% of the tracked X accounts closest to it in follower count (21,397 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 @iRis_s_yu post?
- Most posts go out around 03:00 UTC, and Saturday is its busiest day, at roughly 2.67 posts per day across the measured window.