Portfolio case study: how to write it to sell

December 31, 2025•6 min read•URL: /en/blog/portfolio-case-study-jak-napisac

Autor: 7kar7son7 • Developer

A structure for project write-ups: problem, process, decisions, outcome and numbers.

portfolioconversionmarketing

TL;DR

how to write a case study
For service businesses that want portfolio to convert.

Who this is for

For service businesses that want portfolio to convert.

Keyword (SEO)

how to write a case study

Case study structure

Client problem (1–2 sentences)
What we did (specific)
Outcome (results)
Tech stack

What numbers to include

Load time / Lighthouse
Conversion/leads uplift
Delivery time and scope

Common mistakes

Only screenshots
No outcome/CTA
Too much jargon

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About the author

Developer at DevStudio.it. Focused on performance, SEO and production-ready web apps.

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