Is Grupa Wydawnicza Harmonia legit?
harmonia.edu.plOur check
Grupa Wydawnicza Harmonia gets about 18K visits a month (SimilarWeb, Aug 2026). The store was created in Jan 2019, 7 years ago, and is based in Poland.
Checked . Facts only, from the Meta Ad Library, SimilarWeb, Trustpilot and the store itself; anything we have not measured is left out.
Good signs and warning signs
- Open for 7 years: created Jan 2019.
The facts
- Monthly visits
- 18K (SimilarWeb, Aug 2026)
- Traffic vs month before
- -4%
- Store created
- Jan 2019
- Based in
- Poland
- Niche
- Jobs & Education
Questions shoppers ask
- Is Grupa Wydawnicza Harmonia legit?
- Grupa Wydawnicza Harmonia gets about 18K visits a month (SimilarWeb, Aug 2026). The store was created in Jan 2019, 7 years ago, and is based in Poland. These are measured facts, not a rating; check the flags on this page before you buy.
- Where is Grupa Wydawnicza Harmonia based?
- harmonia.edu.pl is registered as a store in Poland.
- How much traffic does harmonia.edu.pl get?
- harmonia.edu.pl had 17,557 visits in Aug 2026, as measured by SimilarWeb for this exact host. That is down 4% on the month before. Grupa Wydawnicza Harmonia traffic and size
- How much revenue does Grupa Wydawnicza Harmonia make?
- Grupa Wydawnicza Harmonia does not publish its revenue and no source AdLibrarySpy holds measures it, so no revenue figure is shown. Its measured size signals are 17,557 visits in Aug 2026 (SimilarWeb) and 559 products. How big is Grupa Wydawnicza Harmonia?
- Who are Grupa Wydawnicza Harmonia's competitors?
- Grupa Wydawnicza Harmonia's closest competitors in the AdLibrarySpy index, by niche and traffic, are BookOnLime (bookonlime.ru), DOCS Education (docseducation.com), Delagrave (editions-delagrave.fr), Mu Alpha Theta (mualphatheta.org) and EDUSPORT School (edusport.school). Sites like Grupa Wydawnicza Harmonia
