Serhii Kulykov✓ Add us as a preferred source on Google
🔄 Data last refreshed 6 days ago
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Make a deal with Serhii Kulykov
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
429
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 Serhii Kulykov
Known for
18 views
Today has been a good day. Despite russian missile strikes and rolling blackouts, I managed to deliver experimental versions of 5 #Vaadin #WebComponents using #buildWithLit. Don't tell it to my tech lead!
7 views
Some secrets from the #Vaadin R&D weekly update. Our #designsystem team has been working on really cool stuff lately, including #buildWithLit experiments! Also, do check out eslint-config-vaadin alpha, it's a great #eslint config:
https://github.com/vaadin/eslint-config-vaadin
3 views
I can't stress enough how happy I am to be a member of the #Vaadin team with so many talented, kind, and supportive colleagues. This Slack message made me smile for a moment, so I couldn't resist sharing it 😊
2 views
Some #html from the very first personal webpage that I coded around 13 years ago. And it still exists but I no longer have admin access. Please don't ask for a link, I'd be too ashamed to share it 🙃
📊 Post engagement
Recent posts · likes + reposts
Jan 28latest
14
Avg engagement / post
5–18
Typical post (engagement)
3.3%
Engagement vs followers
64/100
Consistent reach
Nov 2022
On Mastodon since
Half of recent posts land between 5 and 18 likes + reposts (median 14) — a dependable floor a sponsored post can count on.
🔥 Top post: 📢 Web Components bookmarks project finally got a proper Home pa · 41 likes + reposts
📊 Activity & format
Posting cadence
0.06 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 8 text · 4 image · 0 video.
Follower / following
1.9×
Follows 228 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
New series: A11y Memoirs!
My stories from years of building accessible web components at Vaadin.
Episode 1 is about vaadin-button: Shadow DOM, focus, tooltips, screen reader issues and lessons learned.
https://dev.to/webpadawan/a11y-memoi…
Today my team released #Vaadin #WebComponents 24.0 with lots of features, DOM structure changes and styling improvements. Huge thanks to everyone involved! 💝
https://github.com/vaadin/web-components/releases/tag/v24.0.0
Excited to share a presentation around the ongoing #Vaadin #WebComponents #accessibility project improvements. Do check it out if you are interested in #a11y. There's some groundwork being done and that also gets us closer to
#buildWithLi…
📢 #WebComponents in 2023: February update.
- #Safari 16.4 beta release new features
- #Interop2023 for Web Components
- #React and #CustomElements news
https://webcomponents.today/2023-02-update/
📢 #WebComponents bookmarks update: #API #design.
If you're already familiar with basics, do check it out.
You'll find some useful tips and things to consider.
#CustomElements #ShadowDOM
https://webcomponents.today/api-design/
Some #html from the very first personal webpage that I coded around 13 years ago. And it still exists but I no longer have admin access. Please don't ask for a link, I'd be too ashamed to share it 🙃
I can't stress enough how happy I am to be a member of the #Vaadin team with so many talented, kind, and supportive colleagues. This Slack message made me smile for a moment, so I couldn't resist sharing it 😊
Some secrets from the #Vaadin R&D weekly update. Our #designsystem team has been working on really cool stuff lately, including #buildWithLit experiments! Also, do check out eslint-config-vaadin alpha, it's a great #eslint config:
https://…
Today has been a good day. Despite russian missile strikes and rolling blackouts, I managed to deliver experimental versions of 5 #Vaadin #WebComponents using #buildWithLit. Don't tell it to my tech lead!
📢 Web Components in 2023: January update!
Shout-out to all the awesome folks:
- @jensimmons for Safari TP 162
- @keithamus for the Web Components Guide
- @davatron5000 for HTML with Superpowers
- Cory LaViska & Font Awesome for Shoelace
…
Upgraded #WebComponents bookmarks to @eleventy 2.0 beta and it went super smooth! Excited about the package-lock.json getting smaller as a result.
Also, added the #rss feed - subscribe for monthly updates on #CustomElements, #ShadowDOM and…
Some #html from the very first personal webpage that I coded around 13 years ago. And it still exists but I no longer have admin access. Please don't ask for a link, I'd be too ashamed to share it 🙃
I can't stress enough how happy I am to be a member of the #Vaadin team with so many talented, kind, and supportive colleagues. This Slack message made me smile for a moment, so I couldn't resist sharing it 😊
Some secrets from the #Vaadin R&D weekly update. Our #designsystem team has been working on really cool stuff lately, including #buildWithLit experiments! Also, do check out eslint-config-vaadin alpha, it's a great #eslint config:
https://…
Today has been a good day. Despite russian missile strikes and rolling blackouts, I managed to deliver experimental versions of 5 #Vaadin #WebComponents using #buildWithLit. Don't tell it to my tech lead!
📢 Web Components in 2023: January update!
Shout-out to all the awesome folks:
- @jensimmons for Safari TP 162
- @keithamus for the Web Components Guide
- @davatron5000 for HTML with Superpowers
- Cory LaViska & Font Awesome for Shoelace
…
Upgraded #WebComponents bookmarks to @eleventy 2.0 beta and it went super smooth! Excited about the package-lock.json getting smaller as a result.
Also, added the #rss feed - subscribe for monthly updates on #CustomElements, #ShadowDOM and…
🐘 Community & instance
Home server
fosstodon.org
A open-source software server — its members and audience skew toward that niche, so expect a community-aligned, engaged following.
✅ 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
Nov 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 14 views per post.
📤Posts about 0.1× per week.
🕵️ Fake follower check
Estimated75/100
Good
Credibility score
92%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 92% real, active audience · Low fake-follower risk.
- Engagement (~3.3% of followers engage each post) is around typical for Mastodon.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
JS developer and open source enthusiast from Ukraine 🇺🇦 Building a #designsystem at #Vaadin. Open Web Components #OpenWC and Modern Web #ModernWebDev contributor and team member. Maintainer of Awesome #WebComponents, a list of #CustomElements and #ShadowDOM resources.
📸 Gallery
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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18%
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17%
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16%
Nathan Lunsford
15%
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Frequently asked questions
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How many followers does Serhii Kulykov have?
Serhii Kulykov has 429 followers on Mastodon.
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