Use Branded Strategies and Techniques
Because I had added value twice to their site (once by letting them know about the outdated link, and again by showing my valuable resource), people were happy to add my link.
Ahrefs is the second most active web crawler after Google. It has the largest backlink database and provides you with the most current data. Ahrefs' free version shows you the Top 100 backlinks and the Top 5 anchors. It also lists the Top 5 pages. This is enough to give you a bird's-eye view on your website's backlinks.
Although you may occasionally be able to include a backlink in a comment, it is not a good idea. The comment should serve the primary purpose of building a relationship with the author.
Here are some visuals to consider if infographics do not work for your brand.