BYDIFF FOUNDER

Barkalov Yury — founder and developer of BYDIFF

Barkalov Yury has worked in website development since 2008 and search optimization since 2010. His practical experience covers web development, SEO, web analytics, technical optimization, UX/UI and AI/GEO search technologies.

Experience behind BYDIFF

Website development

Hands-on work with web projects since 2008.

SEO

Search optimization and technical SEO since 2010.

Analytics

Web analytics, user-behavior diagnostics and change assessment.

AI / GEO

Work with machine readability, AI search and emerging search experiences.

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Verifiable qualifications

Public profiles provide independent verification of professional certifications.

Qualifications are supported by public Yandex certification and Google Skillshop profiles. BYDIFF does not duplicate certificate lists; current status is best verified directly in the official profiles.

Yandex certifications ↗Google Skillshop profile ↗

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Why BYDIFF exists

Years of work across development, SEO and analytics repeatedly raised one practical question: what exactly changed on a website between two scans. BYDIFF develops that approach as an independent product, separate from agency services.