PHP blog SEO: JSON-LD, ToC and crawlable pagination

Google Search Console showed zero indexed articles after three weeks of publishing. The articles existed. The URLs returned 200. The sitemap had been submitted. The problem was elsewhere: the blog listing loaded posts.json via fetch() , then rendered all the HTML in JavaScript. As far as Googlebot was concerned, the page was an empty shell with a spinner. What follows is the set of fixes applied to the shared PHP template — no framework, no build step, plain Apache. Each point has a concrete rea