7 Practical Outreach Strategies and Service Models That Explain Why 8%–15% Response Rates Are Normal
https://www.inter-bookmarks.win/how-ahrefs-data-reveals-the-hidden-weaknesses-and-opportunities-in-audio-backlinks
Why seeing 8% to 15% replies does not mean your campaign is broken If someone promised you 40% cold-email replies, they were selling hype