Marvin Keller
Switzerland · GK · Young Boys · @marvinkeller1 · 10,639 followers · Updated 20 August
Marvin Keller gained 1.8K Instagram followers during the FIFA World Cup 2026, peaking +106 on 15 July.
The story behind the spike
Follower growth is rarely random. Behind every spike is a story, a moment or a conversation that captured attention beyond the pitch. Explore the posts, performances and cultural moments driving the tournament's biggest social breakthroughs.
Follower gain
Followers all time
+1.8 K
Grew off the pitch
Match
No match in the spike window
Own
3 posts, 80 engagement
Featured
2 posts, 29.4 K exposure
→ Timing + reach attribution, not causation. “Featured by others” = tracked accounts only; fan/media pages and off-platform land in Unattributed.
Sources: match stats — ESPN · Man of the Match — Wikipedia/FIFA · followers — daily snapshots · Own & Featured — tracked-player posts (tags / mentions / collabs)
Key moments
The biggest single-day follower gains, and what drove each one.
12 July · +78 followers
- Match: An unused substitute in a 1–3 loss to Argentina.
8 July · +68 followers
- Featured: 1 post featuring him, 20.8K exposure, by @cedricitten_13.
13 July · +50 followers
- Own posts: 1 post, 33 engagement.
Frequently asked
- How many Instagram followers does Marvin Keller have?
- As of 20 August, Marvin Keller has 10,639 Instagram followers.
- How much did Marvin Keller grow on Instagram during the World Cup 2026?
- Marvin Keller gained 1.8K Instagram followers during the FIFA World Cup 2026, from 8,885 to 10,639.
- When did Marvin Keller gain the most followers?
- Marvin Keller's biggest single-day gain was +106 followers on 15 July.
Other Switzerland players
How we measure
social performance*
Traditional tournament rankings measure performance on the pitch. We wanted to understand performance in the feed. Our rankings track audience growth across Instagram, analysing how players gain attention throughout the tournament and identifying the moments driving that growth.
Marvin Keller is one of 1,200+ players Phainos tracked across the FIFA World Cup 2026. See how they rank in the full Breakthrough Ranking.
View the Breakthrough Report →*All figures are drawn from publicly visible Instagram and TikTok data, captured in daily snapshots. Follower counts can fluctuate as platforms remove inactive or flagged accounts, so daily figures may revise slightly. We don't access private metrics, paid reach, or platform-internal data. This is an independent analysis by Phainos and is not affiliated with FIFA, any federation, or any player.
Bring us your hardest question.
If there's something about your brand, category or audience that your current tools can't answer, that's where we start.