, seo hero, wix seo hero contest, wix seo hero challenge, seo hero competitors, wix seo hero rules, seo hero extension, extension, period, section, marketing, search, hero, whatsapp, engine, attack, saved, introduced, lightweight, seo, new, more, list, wix, ddos, read, amp, browser, pictures, useful, url, basic, most, competitors, contest, developers, website, march, results, parameters, site, russia, hidden, digital, materials, number, optimized, requirements, page, news, version, popular, viber, google, events, between, participants, seoheronews.com.