Spectrometer.co.nz

Web

Core Web Vitals still matter: speed as a conversion and SEO input

LCP, INP, and CLS are not vanity scores. Slow pages tax paid CPA and organic rankings — especially on mobile.

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Field data beats lab screenshots. If mobile LCP sits above ~2.5s on money pages, you are paying a tax on every paid click and every organic visit.

Fix the template, not one hero image

Most wins come from template-level work: image policy, font loading, third-party scripts, and server TTFB. One-off homepage tweaks rarely hold when category and product templates stay heavy.

Performance belongs in the build brief — not as a post-launch cleanup. Our web development and hosting work treats speed as a default, not an add-on.