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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

Middle of its size range
Per follower
0.088%
of 318K followers
Per impression
2.09%
13K views on a typical post
Reach
4.19%
of its followers see a post
Typical post
280
interactions (median)
Saved
0.037%
5 bookmarks on a typical post
Posting rate
0.33/day
active 23% of days
Peak time
10:00 UTC
Sunday

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%.

p100.003%
p250.022%
p50 (median)0.128%
p750.604%
p902.32%
p9983.3%
Engagement rate as a share of followers, across the 157,515 accounts we have scanned enough to measure. The axis is logarithmic, because the top and bottom of this population are about 26,033 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 percentile0.003%
25th percentile0.022%
50th percentile0.128%
75th percentile0.604%
90th percentile2.32%
99th percentile83.3%

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.

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: 10:00 UTC.
0003060912151821
Above the authors' own mediansBelowScale: plus or minus 111%Busiest hour: 10:00 UTC
Show engagement by hour posted, utc as a table
Engagement by hour posted, UTC
Hour (UTC)Vs author medianPosts
00:00 UTC-1%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 UTC0%116K
22:00 UTC-2%100K
23:00 UTC-1%90K
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: Sunday.
SunMonTueWedThuFriSat
Above the authors' own mediansBelowScale: plus or minus 111%Busiest day: Sunday
Show engagement by day of week as a table
Engagement by day of week
DayVs author medianPosts
Sunday+5%393K
Monday+1%483K
Tuesday-2%520K
Wednesday-3%472K
Thursday-2%430K
Friday-3%447K
Saturday+2%393K
See what moves engagement across the whole catalogWhat counts as a good engagement rate at this size

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.

This account's posting mix compared with catalog-wide effects
FormatThis accountCatalog effect95% intervalAccounts behind it
Image or video50% of posts+111%+108% to +115%34K
Outbound link50% 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

    5.0K8141071221K viewsView on X
  • 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

    1.2K21034844K viewsView on X
  • 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

    712481140K viewsView on X
  • 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

    678670341K viewsView on X
  • 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

    61410601382K viewsView on X
  • 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

    56483110121K viewsView on X
  • 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

    53012105107K viewsView on X
  • 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

    568812517K viewsView on X
  • 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

    501560519K viewsView on X
  • 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

    4686001021K 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

#ken_zb#山下健二郎#岩谷翔吾#松井利樹#ballistikboyz

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.

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