伊集院光 engagement report
@HikaruIjuin - 1.4M followers on X
Measured over 33 original posts from a 30-day window, last computed on September 1, 2026.
Engagement
A typical post picks up 856 interactions against 1.4M followers, an engagement rate of 0.063%. Measured over 33 original posts, its engagement rate beats 65% of 3,882 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 87K times each, and 0.986% of those impressions turn into an interaction. That is about 6.40% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 2.1 posts a day over the last 30 days, with activity on roughly 67% of days. Most posts go out around 10:00 UTC, and Monday is the busiest day of the week. Of the 33 posts sampled, 39% carry an image or video. The account's strongest tracked post pulled 38K interactions, about 45x its own typical post. Recurring topics include #ijuin, #伊集院光のタネ, #しんばか.
Measured over 33 original posts from a 30-day window, last computed on September 1, 2026. Recurring tags: #ijuin, #伊集院光のタネ, #しんばか.
Compared with accounts its own size
伊集院光's engagement rate beats 65% of the tracked X accounts closest to it in follower count (3,882 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 51% 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 0.063%, 伊集院光 sits above the 25th percentile of the 37,459 accounts in this comparison. That places it in the below the median band, which runs 0.012% to 0.081%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.002% |
| 25th percentile | 0.012% |
| 50th percentile | 0.081% |
| 75th percentile | 0.438% |
| 90th percentile | 2.10% |
| 99th percentile | 159.8% |
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 Monday 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% | 52K |
| 01:00 UTC | -2% | 53K |
| 02:00 UTC | -3% | 51K |
| 03:00 UTC | -4% | 55K |
| 04:00 UTC | -6% | 44K |
| 05:00 UTC | -4% | 43K |
| 06:00 UTC | -4% | 49K |
| 07:00 UTC | -5% | 53K |
| 08:00 UTC | -4% | 62K |
| 09:00 UTC | -3% | 71K |
| 10:00 UTC | -2% | 74K |
| 11:00 UTC | -3% | 81K |
| 12:00 UTC | -2% | 89K |
| 13:00 UTC | -2% | 97K |
| 14:00 UTC | -3% | 100K |
| 15:00 UTC | -2% | 104K |
| 16:00 UTC | -4% | 101K |
| 17:00 UTC | -3% | 94K |
| 18:00 UTC | -1% | 87K |
| 19:00 UTC | -2% | 82K |
| 20:00 UTC | -1% | 77K |
| 21:00 UTC | -1% | 68K |
| 22:00 UTC | -1% | 59K |
| 23:00 UTC | -2% | 53K |
Show engagement by day of week as a table
| Day | Vs author median | Posts |
|---|---|---|
| Sunday | +5% | 236K |
| Monday | 0% | 298K |
| Tuesday | -3% | 295K |
| Wednesday | -1% | 255K |
| Thursday | -1% | 249K |
| Friday | -3% | 257K |
| Saturday | +3% | 231K |
Best tweets
- Jul 22, 202645x their median
しかしどうしたらいいのかこの喪失感。僕はいつも五郎さんに勇気づけられて生きてきた。そして最後までかっこいい人でした。知の巨人の1%も吸収できなかった。悔しい。悲しい。虚しい。
- Aug 11, 202610x their median
プライベート https://t.co/7fJXVUqzUk
- Sep 13, 20236.4x their median
https://t.co/FbdSZScVoe
- Aug 24, 20263.4x their median
空脳読まれるともらえるヂン先生の力作! #ijuin https://t.co/r68ubjObaj
- Aug 10, 20263.2x their median
廃棄 #ijuin https://t.co/jtwvJwcxVz
- Aug 30, 20263.1x their median
正直なところ、馬鹿ヂ粉を開発売り出した理由は俺が食いたいからと言うところがかなり大きい。うまい。ただ開発した俺が自分でラジオショッピングで買うってのがね。うまっ #ijuin
- Aug 17, 20263.0x their median
レア! #伊集院光のタネ https://t.co/YeHwmdvSND
- Aug 24, 20262.6x their median
メイカーチップにもなります! #ijuin https://t.co/kJRghDlLoY
- Jul 16, 20262.4x their median
うおおおお! 深夜の馬鹿力のTシャツついにとどいたー!うおおおお! ついに馬鹿力のグッズが手に入った! 小学生の時、激肥満児でいじられいじめられっ子で自信を全く持てなかった少年 KenKenに自信を与えてくれたのは、ベースと伊集院光さんだ。 小学生ながらに眠い目を擦りながらGAME WAVEとラジオにユーモアと勇気と自信をたくさんもらった。 一度ラジオでお会いした時、人生で1番緊張して伝えたいこと何にも伝えられなかった。 いまでも家でも移動中も音楽聴かないで撮り溜めたラジオを常に聴いてる。 これからも無理せず、素晴らしいトークを聴かせてほしいです。 自分のファミ通の連載が始まった時にブンブン丸経由で頂いたサインは、自分の神棚と呼んでいる場所に飾ってある。 うすたさんと鳥山明先生にはさまって。 僕の夢は一緒に飲んでお話しすること。 これからもどんなミュージシャンより応援してます! 心からだいすきです! @HikaruIjuin #しんばか
- Aug 24, 20262.3x their median
#ijuin #しんばか 30周年記念粉末!ついに『深夜の馬鹿ヂ粉』販売開始です🍴 購入はこちらから👇 https://t.co/ynBLtuoFR0 伊集院さんが味づくりをプロデュースして魚介の旨みをぎゅっと凝縮した和風万能調味料。深夜に食べる背徳の一杯にも、毎日の食卓にも!使い方は、とにかく自由。 https://t.co/3CZ4Lfr7rL
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 856 interactions against 1.4M followers, an engagement rate of 0.063%. Measured over 33 original posts, its engagement rate beats 65% of 3,882 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 87K times each, and 0.986% of those impressions turn into an interaction. That is about 6.40% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 2.1 posts a day over the last 30 days, with activity on roughly 67% of days. Most posts go out around 10:00 UTC, and Monday is the busiest day of the week. Of the 33 posts sampled, 39% carry an image or video. The account's strongest tracked post pulled 38K interactions, about 45x its own typical post. Recurring topics include #ijuin, #伊集院光のタネ, #しんばか.
- What is 伊集院光's engagement rate on X?
- 伊集院光 (@HikaruIjuin) has an engagement rate of 0.063%, based on the median interactions across 33 original posts from the last 30 days against 1,355,984 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.063%, 伊集院光 sits above the 25th percentile of the 37,459 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 @HikaruIjuin have real engagement?
- Its engagement rate beats 65% of the tracked X accounts closest to it in follower count (3,882 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 @HikaruIjuin post?
- Most posts go out around 10:00 UTC, and Monday is its busiest day, at roughly 2.13 posts per day across the measured window.