Troubleshooting
Ranking drop: where backlink checkers fit among the suspects
Links are rarely the first explanation worth testing. This table orders the usual suspects by how cheaply you can confirm or kill each one, with link data placed where it belongs.
Symptom, first check, and what a link snapshot adds
| Symptom | Cheapest check | Link data adds | Confidence it helps |
|---|---|---|---|
| Whole site down within days of a core update | Compare dates with Google's status dashboard | Little. Links rarely line up that sharply | Low |
| One folder down after a release | Diff the deploy log against the drop date | Nothing unless that folder also lost linking domains | Low |
| Impressions flat, clicks down | Check query and SERP features in Search Console | Nothing | None |
| GA4 down, Search Console fine | Look for tag, consent or filter changes | Nothing | None |
| Gradual slide over several months | Compare rivals' pages and your freshness | A lot: gained and missing domains on both sides | Medium |
| Sudden jump in referring domains, then a fall | Sample the new domains by hand | Core evidence: TLDs, DR bands, anchors | High |
| Few pages lost many links at once | List the lost domains for those exact URLs | Core evidence, at monthly resolution | High |
How to read the confidence column
It scores the usefulness of link data, not the odds of a link cause. A flat-impressions problem has zero link content, and saying so saves a week.
Google's March 2025 core update and its June 2025 update each ran for roughly two weeks. A drop that starts mid-rollout is more likely a rollout effect than a bad month of links, since both appear in a coarse monthly view.
Spam updates are different. The August 2025 spam update targeted manipulation, so a profile with a visible block of low-quality domains deserves a closer look than one without.
The rule is simple. Spend the first hour on the rows marked Low or None, because they close fast. Then take whatever remains into a two-month diff built on saved copies. Do it before anyone writes the word penalty in a client email.
What different backlink checkers disagree about
Backlink checkers differ in crawl speed, index size and scoring. Expect three kinds of gap when you compare them.
Counts
Totals differ because each index sees a different slice of the web. Compare trends inside one tool, not totals across tools.
Freshness
Ahrefs crawls faster than our monthly rebuild. For a drop dated last Tuesday, start there and use our snapshots for the quarter view.
Scores
DR here is round(100 log(ref_domains + 1) / log(2 10^7)). It is our own metric, so it will not equal Ahrefs DR or Moz DA.
Questions we hear after a drop
Rankings are stable but traffic fell. Is that links?
Almost certainly not. Stable positions with fewer clicks point at the results page: AI Overviews, new features, a changed title or seasonal demand. Check impressions and click-through rate in Search Console before touching any link data.
Can a sitewide footer link cause a drop?
It can sit in a profile that looks manipulated, but a single footer link is hard to blame on its own. Check the other suspects first, and note that a manual action would appear in Search Console.
How long should I wait before calling a drop permanent?
Wait for the update to finish rolling out, then compare four weeks against the same four weeks a year earlier. Recoveries after a core update, when they come, usually need a later update to register.