Opencart Robot.txt Arayanlar İçin Önerim aşağıda yer almaktadır ,

Tarafıma göre en uygun sistem ;

User-agent: *
Disallow: /*&limit
Disallow: /*?sort
Disallow: /*&sort
Disallow: /*?route=checkout/
Disallow: /*?route=account/
Disallow: /*?route=product/search

User-agent: SemrushBot
Disallow: /

User-agent: AhrefsBot
Disallow: /


Sitemap: xxxxxxx/sitemap.xml