Portfolio
16 sites. One solo builder. Real experiments in source-cited, privacy-first web tools.
HealthCalcPro is one of 16 sites built by the same person — all sharing the same standards: peer-reviewed sources where applicable, browser-only data handling, no dark patterns, no paywalls on the basics.
6 detailed case studies16 live sites1 solo founderPrivacy-first across all
Home / Case Studies
Why this portfolio matters for trust
HealthCalcPro is not a fly-by-night content site. It is part of a maintained, multi-year ecosystem built by İsmail Günaydın — the same founder, the same privacy model, the same commitment to citing sources across every property. Six sites have detailed case studies below. The other ten are summarized in the grid.
modernwebseo.com
ModernWebSEO
AI-Ready SEO studio — flagship service brand
$499 audit serviceWikidata entity11-platform entity stack
ismailgunaydin.com
İsmail Günaydın
Personal hub, portfolio & published work
11+ books on Amazon KDPWikidata Q13865325716-site portfolio operator
You are here
healthcalcpro.com
HealthCalcPro
Free lifestyle calculators: BMI, Calorie & more — you are here
12+ calculatorsPeer-reviewed formulas100% browser-side privacy
textwordcount.com
TextWordCount
Privacy-first browser-only word & text analysis suite
Multi-tool suite32-language Gumroad storefront100% client-side
wheelienames.com
WheelieNames
Cryptographically fair random name picker for classrooms & decisions
50K+ teachersWeb Crypto API fairnessModulo bias rejection
toolgenx.com
ToolGenX
Programmatic SEO + Amazon affiliate hub for AI tools
Programmatic SEOAmazon affiliatePivoted to in-depth reviews
unitconvertnow.com
UnitConvertNow
Instant unit conversions for length, weight, temperature and more
Multiple unit categoriesMobile-firstNo sign-up required
pixnpdf.com
PixnPDF
Convert, compress and edit images and PDFs — no install
Image & PDF conversionBrowser-basedFree to use
hepsihesapla.com
HepsiHesapla
149+ Turkish-language calculators across 18 categories
149+ calculators18 categoriesNeo-brutalist design system
tabelatr.com
TabelaTR
Turkish signage industry hub — 1,068+ programmatic pages
1,068+ pagesWikidata Q13865252681-province coverage
isiklitabela.net
Işıklı Tabela
Custom illuminated signage manufacturing and installation in Turkey
Local SEOManufacturing & installIstanbul-based
yilbasiisiksusleme.com
Yılbaşı Işık Süsleme
Seasonal illuminated decoration and lighting services
Seasonal trafficLocal serviceTurkey-focused
a1organizasyon.com
A1 Organizasyon
Wedding, engagement, and special event planning services
Event planningLocal SEOTurkey market
saunakabin.com
SaunaKabin
Sauna cabin sales and installation for homes and businesses
E-commerceInstallation serviceTurkey market
lunaintim.com
Luna Intim
Premium intimate products — adult e-commerce store in Turkey
Adult e-commerceTurkey marketProduct catalog
triolezzet.com
Trio Lezzet
Food, recipes and gastronomy content platform
Food contentRecipe platformLifestyle brand
Note on metrics
Metrics shown are estimates or targets unless labeled otherwise. Some are TODOs pending real analytics data. HealthCalcPro is committed to reporting only verified numbers — where metrics are not yet confirmed, pages indicate this honestly.
Want this approach applied to your site?
ModernWebSEO offers a $499 site audit that applies the same source-cited, privacy-first, AI-overview-optimized methodology documented here.