CheckFast journal

SEO

Long-form, production-minded writing on performance, deliverability, security, SEO and monitoring — connected to tools you can use immediately.

SEO

Open Graph, Favicons, and Campaign URLs: A Launch QA Checklist

A practical launch checklist for Open Graph tags, Twitter cards, favicons, app icons, canonical URLs, social preview caches, and UTM tracking hygiene.

13 min readJul 13, 2026

SEO

Schema.org Markup That Actually Helps SaaS Products Rank

Which schema types still help SaaS pages communicate clearly, how to wire SoftwareApplication with real review data, and the validation gotchas that make markup ignored.

12 min readApr 1, 2026

SEO

Redirect Anti-Patterns and Best Practices for SEO

301 vs 302, redirect chains, the PRG pattern, when not to redirect, and how to consolidate www-vs-non-www without leaking link equity.

11 min readMar 12, 2026