Jan✓ Add us as a preferred source on Google
🔄 Data last refreshed 1 month ago
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Make a deal with Jan
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
33
Account age
4 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor Jan
📊 Activity & format
Posting cadence
15.9 / week
Toots daily — consistently active for a campaign window.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
0.1×
Follows 271 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
Swetterhage viert honderdste verjaardag van bewoner Henk https://sleutelstad.nl/2026/09/21/swetterhage-viert-honderdste-verjaardag-van-bewoner-henk/
PostNL: ‘Inwoners Leidse straat vriendelijkste van het land’ https://sleutelstad.nl/2026/09/20/inwoners-leidse-blauwe-tramstraat-namen-vaakst-pakket-voor-buren-in-ontvangst/
Leiden krijgt vuurwerkshow ‘van wereldformaat’ met Oud en Nieuw https://sleutelstad.nl/2026/09/20/leiden-krijgt-vuurwerkshow-van-wereldformaat-met-oud-en-nieuw/
Avondvierdaagse Oegstgeest van boven vastgelegd https://sleutelstad.nl/2026/09/20/avondvierdaagse-oegstgeest-van-boven-vastgelegd/
PostNL: ‘Inwoners Leidse straat vriendelijkste van het land’ https://sleutelstad.nl/2026/09/20/postnl-inwoners-leidse-straat-vriendelijkste-van-het-land/
Gezellige drukte op tijdelijk dorpsplein bij aftrap Oegstgeest Ontmoet https://sleutelstad.nl/2026/09/20/gezellige-drukte-op-tijdelijk-dorpsplein-bij-aftrap-oegstgeest-ontmoet/
File op snelweg na botsing op A4 bij Leiden https://sleutelstad.nl/2026/09/16/file-op-snelweg-na-botsing-op-a4-bij-leiden/
Streekomroep Sleutelstad lanceert WhatsApp-tiplijn https://sleutelstad.nl/2026/09/18/streekomroep-sleutelstad-lanceert-whatsapp-tiplijn/
CDA Oegstgeest wil wieken windturbines als geluidswering A44 https://sleutelstad.nl/2026/09/18/cda-oegstgeest-wil-wieken-windturbines-als-geluidswering-a44/
Oegstgeest oefent met noodsteunpunt in Dorpscentrum: ‘Voorbereiden op langdurige stroomuitval’ https://sleutelstad.nl/2026/09/17/oegstgeest-oefent-met-noodsteunpunt-in-dorpscentrum-voorbereiden-op-langdurige-stroomuitval/
Auto’s botsen op A4 https://sleutelstad.nl/2026/09/16/autos-botsen-op-a4/
Groot onderhoud voor Leidse Burchtpoort vordert: chemisch onderzoek bewees rode leeuw https://sleutelstad.nl/2026/09/17/groot-onderhoud-voor-leidse-burchtpoort-vordert-chemisch-onderzoek-bewees-rode-leeuw/
🐘 Community & instance
Home server
cliff.social
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
May 2022
An established account with real history on the platform.
💡 Facts
🗓️Joined Mastodon in 2022 — 4 years ago.
📤Posts about 15.9× per week.
🕵️ Fake follower check
Estimated60/100
Fair
Credibility score
~81%
Real
Real audience
Low
Fake-follower risk
Low
Data confidence
- Est. 81% real, active audience · Low fake-follower risk.
- Limited engagement data — score uses the signals available.
- Verified account.
- Established account (4+ years old).
Low confidence — few signals are public for this listing, so treat it as a rough screen. Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Student JNM Leiden | Stadsfotograaf Leiden
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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14%
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13%
Maeve Sullivan
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Frank Cavil
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Mimi Runs with Scissors
10%
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Frequently asked questions
How much does Jan charge for a sponsorship?
Jan hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
How do I contact Jan for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify Jan, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many followers does Jan have?
Jan has 33 followers on Mastodon.
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