Backlinks for your site Effective on all topics of the platform. I make backlinks to your platform. Such inbound links direct web crawlers to the resource, this matters greatly for SEO, so it matters to optimize a site that does not have defects that will interfere with ranking. Insertion is secure for your site! I refrain from using in feedback boxes, (contact forms can damage the resource as there are complaints from operators). Publication is carried out in approved sources. Links are placed to current regularly updated database. Several portals in the repository.