三代目 J SOUL BROTHERS 山下健二郎のZERO BASE engagement report
@3jsbykzb - 318K followers on X
Measured over 10 original posts from a 30-day window, last computed on September 16, 2026.
Engagement
A typical post picks up 280 interactions against 318K followers, an engagement rate of 0.088%. Measured over 10 original posts, its engagement rate beats 59% of 15,519 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 13K times each, and 2.09% of those impressions turn into an interaction. That is about 4.20% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.33 posts a day over the last 30 days, though only 23% of days saw any activity at all. Most posts go out around 10:00 UTC, and Sunday is the busiest day of the week. Of the 10 posts sampled, 50% carry an image or video and 50% link out. The account's strongest tracked post pulled 5.9K interactions, about 21x its own typical post. Recurring topics include #ken_zb, #山下健二郎, #岩谷翔吾.
Measured over 10 original posts from a 30-day window, last computed on September 16, 2026. Recurring tags: #ken_zb, #山下健二郎, #岩谷翔吾.
Compared with accounts its own size
三代目 J SOUL BROTHERS 山下健二郎のZERO BASE's engagement rate beats 59% of the tracked X accounts closest to it in follower count (15,519 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 66% 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 0.088%, 三代目 J SOUL BROTHERS 山下健二郎のZERO BASE sits above the 25th percentile of the 157,515 accounts in this comparison. That places it in the below the median band, which runs 0.022% to 0.128%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.003% |
| 25th percentile | 0.022% |
| 50th percentile | 0.128% |
| 75th percentile | 0.604% |
| 90th percentile | 2.32% |
| 99th percentile | 83.3% |
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 10:00 UTC, and Sunday 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 | 50% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | -3% | -3% to -2% | 54K |
- 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.
- 50% 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 137 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
- Jan 24, 202621x their median
#山フェス2026 ありがとうございました!!🙏🙏皆様のおかげで生まれた"ここにしかないフェス"最高でした!!✨ #ken_zb #山下健二郎 #岩谷翔吾 #澤本夏輝 #松井利樹 #奥田力也 #CHEMISTRY #新しい学校のリーダーズ #ELLY / #CB #HOKUTO #BALLISTIKBOYZ #コロコロチキチキペッパーズ #ニッポンの社長 https://t.co/9vG72lFlda
- Jun 28, 20265.4x their median
【今夜のゼロベは?】 ゲストにラグビー元日本代表 #堀江翔太 さんが初登場!!🏉隊長との出会いからラグビーのウラ話までたっぷりと! ★#澤本夏輝 1st フォトエッセイ📘 ★ラガーマンの美意識💇♂️ ★パンツ"ぎゅんぎゅん"🩲 #ken_zb #山下健二郎 https://t.co/ymyrlCAEdQ https://t.co/BmLUYIZCVm
- Aug 2, 20262.7x their median
【#ken_zb】お聞きいただきありがとうございました⛳️ メッセージはいつでも受付中✉️宛先は《[email protected]》まで! #山下健二郎 #岩谷翔吾 https://t.co/IHrVdmZ3eV
- Jul 19, 20262.7x their median
【#ken_zb】お聞きいただきありがとうございました。ゲストは #青木マッチョ さんでした! メッセージはいつでも受付中✉️宛先は《[email protected]》まで! #山下健二郎 #岩谷翔吾 https://t.co/JTTBtHcHF4
- Jun 28, 20262.6x their median
【#ken_zb】お聞きいただきありがとうございました!ゲストは #堀江翔太 さんでした! メッセージはいつでも受付中✉️宛先は《[email protected]》まで! #山下健二郎 #澤本夏輝 https://t.co/B7gQ6nkCmZ
- Jul 19, 20262.4x their median
【今夜のゼロベは?】 ゲスト #青木マッチョ さんの多趣味っぷりを深掘り!📸マッチョさんと翔吾くんの手と手🫸🫷 ★"RISE OF THE CHALLENGERS"🔥 ★カリンバ(独奏) ★「岩谷さん、筋トレやってますよね」 #ken_zb #山下健二郎 #岩谷翔吾 https://t.co/LCVWWYtfep https://t.co/yjBnlNjgi7
- Jul 15, 20262.3x their median
『オールナイトニッポンPODCAST(月替り)』 8月はダンス&ボーカルグループ・FANTASTICSが担当❗️ 8月1日(土)配信の初回は、世界さんと澤本夏輝さんがパーソナリティを務めます🥳 #FANTASTICSのANNP https://t.co/T5XssmUXAe
- Jun 21, 20262.3x their median
【#ken_zb】お聞きいただきありがとうございました! メッセージはいつでも受付中✉️宛先は《[email protected]》まで! #山下健二郎 #澤本夏輝 https://t.co/jHnmSajjWA
- Jun 14, 20262.0x their median
【#ken_zb】お聞きいただきありがとうございました〜!(📸なんかよく分かんないポーズ) メッセージはいつでも受付中✉️宛先は《[email protected]》まで! #山下健二郎 #奥田力也 https://t.co/63dlf3qtNb
- Sep 6, 20261.9x their median
【今夜のゼロベは?】 パートナー #BALLISTIKBOYZ #松井利樹 とのふつおた回!番組途中アラーム音が鳴りまくっております⏰ ★夢の松井レーシング🏎️💨 ★ジャンジャンジャジャンジャン🎶 ★きょっおーまーたーがんばるぅ🎤 #ken_zb #山下健二郎 https://t.co/FWnLq9eDsg https://t.co/aJx8BMkSN9
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 280 interactions against 318K followers, an engagement rate of 0.088%. Measured over 10 original posts, its engagement rate beats 59% of 15,519 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 13K times each, and 2.09% of those impressions turn into an interaction. That is about 4.20% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.33 posts a day over the last 30 days, though only 23% of days saw any activity at all. Most posts go out around 10:00 UTC, and Sunday is the busiest day of the week. Of the 10 posts sampled, 50% carry an image or video and 50% link out. The account's strongest tracked post pulled 5.9K interactions, about 21x its own typical post. Recurring topics include #ken_zb, #山下健二郎, #岩谷翔吾.
- What is 三代目 J SOUL BROTHERS 山下健二郎のZERO BASE's engagement rate on X?
- 三代目 J SOUL BROTHERS 山下健二郎のZERO BASE (@3jsbykzb) has an engagement rate of 0.088%, based on the median interactions across 10 original posts from the last 30 days against 318,116 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.088%, 三代目 J SOUL BROTHERS 山下健二郎のZERO BASE sits above the 25th percentile of the 157,515 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 @3jsbykzb have real engagement?
- Its engagement rate beats 59% of the tracked X accounts closest to it in follower count (15,519 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 @3jsbykzb post?
- Most posts go out around 10:00 UTC, and Sunday is its busiest day, at roughly 0.33 posts per day across the measured window.