JCON Add us as a preferred source on Google
🔄 Data last refreshed 6 days ago
🤝
Make a deal with JCON
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
213
Account age
3 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 JCON
📊 Post engagement
1
Avg engagement / post
0.5%
Engagement vs followers
Jun 2023
On Mastodon since
🔥 Top post: Our next #JCON2026 session is live: 'When #Greed Is Good: Unders · 2 likes + reposts
📊 Activity & format
Posting cadence
5.6 / week
Posts several times a week.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
7.3×
Follows 29 back. A strong ratio — an audience that follows them, not a follow-for-follow network.
Recent posts
View on Mastodon ↗
Our next #JCON2026 session is live: 'The Road to #JUnit 6' with Marc Philipp
2025 was an unusual year for JUnit. Thanks to the Sovereign #Tech Fund, I had the opportunity to work full-time on the project. Instead of the usual single …
Grab…
Our next #JCON2026 session is live: 'Demystifying AI Agents' with Mary Grygleski
#AI Agents are the thing for 2025, they say. What are these Agents? How do they #work and where can they be used? …
Grab your coffee and hit play: https://you…
Our next #JCON2026 session is live: 'Don't Get Burned! #Secure Coding #Essentials to Protect Your Application' with Brian Vermeer
As a #developer you understand the importance of writing #code that is functional, scalable, …
Grab your coff…
Our next #JCON2026 session is live: 'Ten Angry #Comments Later: #Stories About #Code Reviews, Teams, and Yesterday’s Code' with Johannes Rabauer
You open a #pullrequest. Ten comments later, you’re wondering whether the code …
Grab your cof…
Our next #JCON2026 session is live: 'Java Beyond Frameworks: Avoiding Lock-In with Agnostic Design' with Rijo Sam
The Problem: Modern #Java applications often become prisoners of their #frameworks. While tools like #SpringBoot and #Quarkus…
Our next #JCON2026 session is live: 'Never Trust a Monkey: The Chasm, the #Craft, and the #Chain of #AI Assisted Code' with Baruch Sadogursky
We’re in the midst of another abstraction leap.
Just like #compilers #cloud and #containers befor…
Our next #JCON2026 session is live: '#Code Not Required! The Many Ways to Support Open Source Projects' with @bukamabish
Nowadays #opensource software is the foundation of every #modern hard- and #software. Especially #free open software, …
Our next #JCON2026 session is live: 'Kicking #JavaScript to the Curb with #Vaadin' with Micah Silverman
I've been using #SpringBoot for a very long time. I learned Vue.js in order to build a #modern web app that's been in use for about 7 y…
Our next #JCON2026 session is live: 'Zero Migration #Java - Staying Current Without Breaking Your App' with Grace Robinson & Michal Broz
Keeping enterprise Java #applications #secure and up-to-date is critical but traditional runtime …
Gra…
Our next #JCON2026 session is live: 'curl | bash | hacked: The Unseen Dangers in Your #Dev Lifecycle' with Steve Poole
curl | bash. That one-liner doesn’t just install a tool; it can hand over control of your machine. And here’s the …
Grab…
Our next #JCON2026 session is live: 'The Wait is Over: Foreign Function & Memory (FFM) #API brings modern #Java to the #Raspberry Pi' with Frank Delporte
Since 2012, #Pi4J has enabled Java to control electronic components connected …
Grab …
🐘 Community & instance
Home server
mastodon.social
A large general-interest Mastodon server. On the fediverse the server a creator picks hints at their community — this one spans all topics.
On Mastodon since
Jun 2023
An established account with real history on the platform.
💡 Facts
🗓️Joined Mastodon in 2023 — 3 years ago.
👁️Averages 1 views per post.
📤Posts about 5.6× per week.
🕵️ Fake follower check
Estimated43/100
Fair
Credibility score
73%
Mixed
Real audience
Medium
Fake-follower risk
High
Data confidence
- Est. 73% real, active audience · Medium fake-follower risk.
- Low engagement (~0.5% of followers engage each post) — a sign of an inflated or inactive audience.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Java Community Conferences - in-person.
linktr.ee/jcon_conference
Imprint, privacy policy: jcon.one
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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Frequently asked questions
How much does JCON charge for a sponsorship?
JCON 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 JCON for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify JCON, 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 JCON have?
JCON has 213 followers on Mastodon.
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