Serhii Kalyna

Full Stack developer JS Rust

Joined on Mar 12, 2026

Serhii Kalyna

May 3

Building in public, week 7: 19 pages, 189 missing FAQ entries, and organic search finally showing up

#webdev #programming #buildinpublic #seo

5 min read

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Serhii Kalyna

Apr 26

Building in public, week 6: PDF support is live — but I had to sacrifice content for it

#buildinpublic #indiehackers #rust #seo

4 min read

Serhii Kalyna

Apr 22

Adding PDF support to a Rust image converter — what I learned about libvips and PDF rendering

#rust #webdev #imageprocessing #buildinpublic

3 min read

Serhii Kalyna

Apr 18

Building in public — week 5

#backend #buildinpublic #devjournal #startup

1 min read

Serhii Kalyna

Apr 14

TIFF in 2026: what I learned researching the format nobody uses on the web

#webdev #imageprocessing #seo #buildinpublic

3 min read

Serhii Kalyna

Apr 11

Building in public week 4: first organic clicks and what drove them

#buildinpublic #seo #webdev #javascript

2 min read

Serhii Kalyna

Apr 7

Best Free Online Image Converters in 2026 — WebP, AVIF, HEIC and more

#webdev #images #tooling #webperf

2 min read

Serhii Kalyna

Apr 7

How I built a semantic scoring algorithm for internal links across >200 pages

#javascript #seo #webdev #buildinpublic

2 min read

Serhii Kalyna

Apr 6

Is HEIC Patent Risk Real for Small Web Services?

#discuss #webdev #opensource #img

1 min read

Serhii Kalyna

Apr 4

From 0 to 30 indexed pages in 3 weeks — what actually moved the needle

#seo #nextjs #webdev #buildinpublic

3 min read

Serhii Kalyna

Apr 2

AVIF in 2026: why it's the best format for web images

#frontend #performance #webdev

4 min read

Serhii Kalyna

Mar 31

Why I added internal linking to my image converter (and what changed in Google)

#buildinpublic #seo #webdev #rust

2 min read

Serhii Kalyna

Mar 23

AVIF converter: why I built one and what I learned

#showdev #performance #sideprojects #webdev

1 min read

Serhii Kalyna

Mar 21

How I fixed Google ignoring 160 pages: migrating from Vite SPA to Next.js SSG

#nextjs #seo #react #webdev

2 min read

Serhii Kalyna

Mar 19

JPEG XL in Chrome 145: what it means for web developers

#webdev #performance #webperf #tutorial

2 min read

Serhii Kalyna

Mar 16

AVIF vs WebP vs HEIC vs JPEG XL: which image format should you use in 2026?

#webdev #performance #img #tutorial

4 min read

Serhii Kalyna

Mar 12

How I built a free HEIC image converter with Rust + libvips

#rust #webdev #opensource #programming

1 min read

DEV Community

Serhii Kalyna

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1 Week Community Wellness Streak

Writing Debut

Building in public, week 7: 19 pages, 189 missing FAQ entries, and organic search finally showing up

Want to connect with Serhii Kalyna?

Building in public, week 6: PDF support is live — but I had to sacrifice content for it

Adding PDF support to a Rust image converter — what I learned about libvips and PDF rendering

Building in public — week 5

TIFF in 2026: what I learned researching the format nobody uses on the web

Building in public week 4: first organic clicks and what drove them

Best Free Online Image Converters in 2026 — WebP, AVIF, HEIC and more

How I built a semantic scoring algorithm for internal links across >200 pages

Is HEIC Patent Risk Real for Small Web Services?

From 0 to 30 indexed pages in 3 weeks — what actually moved the needle

AVIF in 2026: why it's the best format for web images

Why I added internal linking to my image converter (and what changed in Google)

AVIF converter: why I built one and what I learned

How I fixed Google ignoring 160 pages: migrating from Vite SPA to Next.js SSG

JPEG XL in Chrome 145: what it means for web developers

AVIF vs WebP vs HEIC vs JPEG XL: which image format should you use in 2026?

How I built a free HEIC image converter with Rust + libvips