Site Speed
Core Web Vitals Explained: LCP, INP and CLS Thresholds and Fixes
Core Web Vitals explained: what LCP, INP and CLS measure, the good thresholds, lab vs field data, and the fixes that improve each metric.
· 7 min read
Author: <span>SuperSiteReport Team</span>
The SuperSiteReport Team builds and maintains the free Super Site Report website health checker and writes practical guides on site speed, technical SEO, security and accessibility.
Website Security
What Are Security Headers? HSTS, CSP and the Rest Explained
What security headers are, which ones every site needs (HSTS, CSP, nosniff, Referrer-Policy), safe values and how to add them on nginx, Apache and WordPress.
· 7 min read
Website Health
Website Health Check: What It Tests and How to Fix Issues
Website health check guide: what a full check tests (security, speed, SEO, accessibility, DNS), how to read the score and what to fix first.
· 7 min read