Feed formats compared: RSS 2.0, Atom and JSON Feed
What actually differs between the three syndication formats, which one to publish if you only publish one, and why format choice is not what Discovery scores.
What actually differs between the three syndication formats, which one to publish if you only publish one, and why format choice is not what Discovery scores.
301, 302, 307 and 308, which preserve the HTTP method, why redirect chains cost you, and why a redirect is not a canonical tag.
Material connections, the clear and conspicuous standard, why a footer link is not enough, and why the phrase affiliate link may not be understood.
SPF, DKIM, DMARC alignment, one-click unsubscribe and the 0.3 percent spam rate threshold, as enforced by Google and Yahoo since February 2024.
The three metrics, their exact good and poor thresholds, why they are assessed at the 75th percentile of real user data, and why a Lighthouse score is not the same thing.