Free Tool

TTFB Checker

Check your Time to First Byte (TTFB). Measure server response time and identify if slow TTFB is hurting your page performance.

TTFB Checker tool interface goes here

What You Get

Instant analysis results

No registration required

Completely free to use

Mobile & desktop scores

Core Web Vitals metrics

Actionable recommendations

Paste the website URL you want to analyze

Our tool scans your site using industry-standard metrics

Review detailed scores and actionable recommendations

Common causes: slow server/hosting, no caching, unoptimized database queries, no CDN, and heavy server-side processing.

Use a CDN, enable server caching, optimize database queries, upgrade hosting, and consider static site generation.

Test your website's mobile performance. Simulate real mobile conditions with throttled network and CPU to see how users experience your site.

Test your website's PageSpeed score instantly. Get performance metrics, Core Web Vitals, and actionable recommendations to speed up your site.

Get a comprehensive grade for your website. Analyze performance, SEO, mobile-friendliness, and security in one report.

Test your Interaction to Next Paint (INP) score. Measure page responsiveness and identify slow interactions that hurt user experience.

Optimize your server response time and reduce Time to First Byte (TTFB) with CDN configuration, caching strategies, and backend optimization.

Master resource hints to optimize loading priorities. Learn when to use preload, prefetch, preconnect, and dns-prefetch for better performance.

Learn how to manage third-party scripts without destroying performance. Covers auditing, loading strategies, and alternatives to heavy scripts.

Audit multiple URLs at once and get comprehensive performance insights.