Site Speed
TTFB Checker: Test Server Response Time
25 September, 2026 • Site Speed • 67 views
Learn what TTFB is, why it affects SEO and Core Web Vitals, and how to test server response time with a free TTFB checker.
Why your CLS score is high
18 September, 2026 • Site Speed • 31 views
High CLS score: how to find layout shifts, fix images without dimensions, fonts and dynamic content, and improve Core Web Vitals.
Why Brotli stopped working after move
16 September, 2026 • Site Speed • 42 views
Brotli compression stopped after moving to a new server: how to check the module, nginx config, MIME types and restore compression without breaking caching.
DOM Size: How to Check and Reduce
10 September, 2026 • Site Speed • 45 views
Learn what DOM size is, why a large DOM slows down your site, how to check it, and 8 ways to reduce DOM size for better Core Web Vitals.
Lazy Loading Checker: How to Check
7 September, 2026 • Site Speed • 37 views
Learn what lazy loading is, why it matters for Core Web Vitals, how to check if images use loading=lazy, and how to fix missing lazy loading.
