Guides
Backlink Quality Versus Quantity: Reading a Link Profile
Not all links are equal, and counting them is not judging them. How to tell a healthy link profile from a padded one by relevance, source and context.
- Links
- 10 min read
Correlation, Causation and Launch Data
Two things moved together. Did one cause the other? How launch data tempts us to see causes that are not there, and habits that keep conclusions honest.
- Statistics
- 10 min read
Reading DR Trend Lines Without Fooling Yourself
A DR line goes up and down for many reasons. How to tell noise from signal, what to check when it moves, and how to read arrows, dates and windows fairly.
- Metrics
- 10 min read