TTFB Won't Go Down? Server-Side Culprits Beyond the Theme

Dev.to•Tue, Aug 18, 2026, 10:14 AM•2 min read

You moved the site behind a CDN, trimmed the theme, deferred scripts, and ran a caching plugin. PageSpeed Insights still flags a high Time to First Byte on the homepage, and the waterfall shows most of the wait in Waiting (TTFB) rather than DNS or TLS. The next ticket proposes a bigger hosting ...

Source: [Dev.to](https://dev.to/apogeewatcher/ttfb-wont-go-down-server-side-culprits-beyond-the-theme-410h)

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