Tier-2 links to your best backlinks lifted target rankings in 31% of tests — but only on under-powered pages Across 130 controlled tier-2 tests (n=130), pointing fresh links at your existing backlinks…
One specific personalized line lifts reply 2.3x — a second adds almost nothing Across 880 A/B-tested outreach emails (n=880), reply rate by personalization depth: — Zero personalization: 3.6% — One sp…
Median payback on a link investment lands at month 11 — campaigns killed before then look like losses that weren't Across 64 programs with revenue attribution (n=64, modeled), cumulative ROI on link s…
Tuesday-Thursday 7-9am recipient-local lifts reply rate 38% over afternoon sends Across 1,200 campaigns timestamped to recipient timezone (n=1,200), reply rate by send window: — Tue-Thu, 7-9am local: …
Referring pages with under 100 monthly organic visits pass almost no measurable equity — regardless of domain DR Across 280 individual placements (n=280), page-level traffic predicted impact better th…
Niche edits index 4.3x faster than new guest posts but carry 2x the removal risk Across 540 placements split by type (n=540), the tradeoff is speed vs durability. Niche edit (link inserted into existi…
