The same services used for analyzing competitors can help assess the quality of donor sites: Serpstat, Ahrefs, Semrush, among others.
First and foremost, pay attention to:
- The number of links on these platforms and their quality. Briefly, the main focus is on traffic indicators and trust using any service convenient for you, such as Ahrefs, Majestic, CheckTrust, etc.
- The amount of traffic to the donor site from the search engine where you plan to promote your resource.
- How well the donor site’s traffic matches the promoted queries.
- Whether the traffic region of the donor resource matches the site’s promotion region.
Additionally, analyze the donor page itself: its traffic and backlinks. Services like Keys.so or SerpzillaRank (SR) in Serpzilla.com can help in this regard.
For novice SEO-specialists, the Semrush service is also worth considering for analyzing donor sites. It allows you to view the resource’s authority (trust) and assess how many links are placed on other low-quality platforms, i.e., spam. The service is convenient because it uses three colors to denote indicators: red, yellow, and green. The maximum score is 100 points, marked in green.
