The Logbook · Blue Marlin

Notes from below the surface.

How agencies build, rescue, and grow client sites without anyone seeing the crew. Practical, specific, and occasionally opinionated — written by the studio that stays in the water.

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Mid-water · Latest notes

Latest from the log.

Practical notes on building, rescuing, and growing client sites — and on running a white-label partnership that never shows.

What Actually Moves Core Web Vitals on a WordPress Site (and What Doesn’t)

September 23, 2026

Rescues

Most WordPress speed advice is a plugin checklist. Here's what actually moves LCP, INP and CLS for real visitors, and…

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Moving a Client Off Wix Without Losing Rankings: The Redirect Map Explained

September 23, 2026

Rescues

Wix to WordPress migration SEO, done properly: how to build a redirect map that keeps a client's rankings, backlinks and…

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How to Choose a White-Label Web Development Partner: The Fingerprint Test

September 22, 2026

Running white-label

Every white-label shop says it's invisible. Few are. Here's how to check a partner's past work for fingerprints in ten…

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Go get the big one.

Tell us what you're pitching. We'll do the fighting — quietly, of course.