Guides that show the work, not just the answer
Every number below is sourced, dated, and rechecked on a schedule. Each guide points to the free tool that computes the number itself, and to the paid file only for the one thing the free tool cannot show.
The Best Backlink Checker in 2026: Free vs. Paid, Compared HonestlyAhrefs, Majestic, Semrush and Open PageRank, with prices read on their own pricing pages today, next to a free tool built on the same public graph they use.How to Buy Expired Domains: A Worked Example, Not a ChecklistThe five checks that separate a real domain from a recycled link farm, walked through on one real domain with the numbers re-checked at build time.How to Get Into Domain Investing (What the Numbers Actually Look Like)Before you bid on an expired domain, see where it really sits: measured from 742,000+ domains on the public Common Crawl web graph, not from one viral flip story.