Olga Zarr
SEO Consultant & CEO at SEOSLY
Poland · Polish
Olga Zarr is a Polish independent SEO consultant and the founder of SEOSLY, a consulting practice she launched in 2020 after more than seven years at Polish agencies including Performance Group. Based in Poland, she has over 13 years of SEO experience and specialises in technical SEO, in-depth site audits, on-page optimisation, and complex site migrations, with more than 200 audits completed for clients worldwide.
In 2025 Zarr released the SEO Audit Mastery Course, a paid training product that codifies her audit methodology, and her current work focuses on the intersection of SEO and AI search. She publishes the SEOSLY newsletter, which has more than 10,000 subscribers, hosts the SEOSLY Podcast, and runs a YouTube channel of the same name covering technical SEO tutorials. She is a regular contributor to Search Engine Land and Search Engine Journal, and has been frequently listed among the top female SEO experts worldwide. Her Fajela entity page is published at https://fajela.com/entity/people/olga-zarr/.
Key facts about Olga Zarr
- Founded SEOSLY in 2020 after seven-plus years agency-side, including at Performance Group.
- Has completed more than 200 in-depth technical SEO audits for client sites.
- Released the SEO Audit Mastery Course in 2025 as a paid training product.
- Publishes the SEOSLY newsletter with more than 10,000 subscribers.
- Hosts the SEOSLY Podcast and runs the SEOSLY YouTube channel.
- Regular contributor to Search Engine Land and Search Engine Journal.
- Repeatedly listed among the top female SEO experts worldwide.
What Olga Zarr is famous for
Olga Zarr is specifically known for productising technical SEO auditing. Her SEOSLY brand, the SEO Audit Mastery Course, and the SEOSLY YouTube channel together form one of the most widely referenced free-plus-paid technical-audit curricula in the SEO community, and her long-form audit tutorials have become a default recommendation for practitioners learning how to structure a complete site audit.
Notable work
- Course: SEO Audit Mastery Course
- Newsletter: SEOSLY Newsletter
- Podcast: SEOSLY Podcast
- Youtube: SEOSLY YouTube Channel