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岩井勇気 ハライチ engagement report

@iwaiyu_ki - 499K followers on X

Measured over 43 original posts from a 30-day window, last computed on August 28, 2026.

Engagement

Middle of its size range
Per follower
0.101%
of 499K followers
Per impression
0.585%
86K views on a typical post
Reach
17.3%
of its followers see a post
Typical post
504
interactions (median)
Saved
0.007%
6 bookmarks on a typical post
Posting rate
2.4/day
active 80% of days
Peak time
13:00 UTC
Saturday

A typical post picks up 504 interactions against 499K followers, an engagement rate of 0.101%. Measured over 43 original posts, its engagement rate beats 68% of 3,862 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 86K times each, and 0.585% of those impressions turn into an interaction. That is about 17.3% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 2.4 posts a day over the last 30 days, with activity on almost every day in the window. Most posts go out around 13:00 UTC, and Saturday is the busiest day of the week. Of the 43 posts sampled, 35% carry an image or video, 9% are part of a thread and 56% link out. The account's strongest tracked post pulled 52K interactions, about 104x its own typical post. Recurring topics include #ハライチのターン, #妹は知っている, #henai795.

Measured over 43 original posts from a 30-day window, last computed on August 28, 2026. Recurring tags: #ハライチのターン, #妹は知っている, #henai795.

Compared with accounts its own size

岩井勇気 ハライチ's engagement rate beats 68% of the tracked X accounts closest to it in follower count (3,862 accounts, accounts of similar size (decile 7 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 37% 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 0.101%, 岩井勇気 ハライチ sits above the 50th percentile of the 37,701 accounts in this comparison. That places it in the above the median band, which runs 0.081% to 0.439%.

p100.002%
p250.012%
p50 (median)0.081%
p750.439%
p902.10%
p99156.3%
Engagement rate as a share of followers, across the 37,701 accounts we have scanned enough to measure. The axis is logarithmic, because the top and bottom of this population are about 104,204 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 percentile0.002%
25th percentile0.012%
50th percentile0.081%
75th percentile0.439%
90th percentile2.10%
99th percentile156.3%

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 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.

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 6%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%53K
01:00 UTC-2%53K
02:00 UTC-3%52K
03:00 UTC-4%55K
04:00 UTC-6%44K
05:00 UTC-4%43K
06:00 UTC-4%50K
07:00 UTC-5%54K
08:00 UTC-4%63K
09:00 UTC-3%72K
10:00 UTC-2%75K
11:00 UTC-3%81K
12:00 UTC-2%90K
13:00 UTC-2%98K
14:00 UTC-3%101K
15:00 UTC-2%105K
16:00 UTC-4%102K
17:00 UTC-3%95K
18:00 UTC-1%88K
19:00 UTC-2%83K
20:00 UTC-1%77K
21:00 UTC-1%69K
22:00 UTC-2%60K
23:00 UTC-2%53K
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: Saturday.
SunMonTueWedThuFriSat
Above the authors' own mediansBelowScale: plus or minus 5%Busiest day: Saturday
Show engagement by day of week as a table
Engagement by day of week
DayVs author medianPosts
Sunday+5%238K
Monday0%302K
Tuesday-3%302K
Wednesday-1%257K
Thursday-2%250K
Friday-3%259K
Saturday+3%233K
See what moves engagement across the whole catalogWhat counts as a good engagement rate at this size

Best tweets

  • Aug 17, 2026104x their median

    KEY TO LITおめでとう!!!!!

    47K4.9K74148693K viewsView on X
  • Aug 20, 202667x their median

    KEY TO LITの有明アリーナでのライブ感動した!! 猪狩くんラップ上手すぎ 大光ダンスキレすぎ 瑞稀歌声好きすぎ 嶺亜顔良すぎ 大昇エロすぎ!! 今日この日のライブを観れたのは贅沢だった。

    30K3.2K57559798K viewsView on X
  • Aug 20, 202647x their median

    次はペンライト持ってく。緑。

    22K1.4K523621.8M viewsView on X
  • Aug 21, 202617x their median

    パンです #henai795 #花澤香菜 https://t.co/Vo5rqLbvZo

    7.3K959721911.0M viewsView on X
  • Aug 19, 202613x their median

    いやいやいやいやいやいやいや‼️ え、ちょっとまって サマソニ公式さん‼️‼️ 可愛いがすぎるんですが‼️⁉️ #YUKI #サマソニ https://t.co/4VAVpDw0LZ

    6.1K268151143.6M viewsView on X
  • Aug 2, 202611x their median

    昨日のENGEIグランドスラムのエンディングは芸人残ってた方だよ。去年のエンディングやばかったもん。なんで後輩3組しかいなかったんだよ。 https://t.co/CpG1rO5yZD

    5.3K232101382.9M viewsView on X
  • Jul 31, 20266.9x their median

    今日誕生日をお祝いしてくれた皆さんありがとうございました。皆さんのおかげで最高の日になりました。 30代はお世話になりました。40代も楽しませますんで宜しくお願いします。 https://t.co/euutMp2A05

    3.3K148381098K viewsView on X
  • Aug 23, 20261.9x their median

    埼玉の梨『彩玉』でかすぎ。通常の梨と比べて2.5倍くらいある。 今年も高校の先輩がやっている埼玉の果樹園『折原果樹園』が梨を送ってくれました。 本当、先輩。ありがとう先輩。お笑いの先輩より先輩。 https://t.co/tp9BHpQJyQ

    918368458K viewsView on X
  • Aug 1, 20261.9x their median

    今日は昼からハライチライブ、レッドカーペット、ENGEI、ネタやりまくり。 ENGEIはエンディングも出るらしい!終わって帰ったら飲み行ってやる!

    9222810063K viewsView on X
  • Aug 1, 20261.8x their median

    レッドカーペット出るよー生放送。 その後ENGEIグランドスラム。生放送。 観てね。

    890339086K 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

#ハライチのターン#妹は知っている#henai795#yaiba#yuki

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 504 interactions against 499K followers, an engagement rate of 0.101%. Measured over 43 original posts, its engagement rate beats 68% of 3,862 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 86K times each, and 0.585% of those impressions turn into an interaction. That is about 17.3% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 2.4 posts a day over the last 30 days, with activity on almost every day in the window. Most posts go out around 13:00 UTC, and Saturday is the busiest day of the week. Of the 43 posts sampled, 35% carry an image or video, 9% are part of a thread and 56% link out. The account's strongest tracked post pulled 52K interactions, about 104x its own typical post. Recurring topics include #ハライチのターン, #妹は知っている, #henai795.

What is 岩井勇気 ハライチ's engagement rate on X?
岩井勇気 ハライチ (@iwaiyu_ki) has an engagement rate of 0.101%, based on the median interactions across 43 original posts from the last 30 days against 498,552 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
Is that a good engagement rate?
At 0.101%, 岩井勇気 ハライチ sits above the 50th percentile of the 37,701 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 @iwaiyu_ki have real engagement?
Its engagement rate beats 68% of the tracked X accounts closest to it in follower count (3,862 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 @iwaiyu_ki post?
Most posts go out around 13:00 UTC, and Saturday is its busiest day, at roughly 2.4 posts per day across the measured window.

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