Measure real load timing of any page — TTFB, total time and page size.
The tool downloads the page exactly once, timing each phase: DNS + connection, waiting for the first byte (TTFB — mostly your server's work), and the full transfer. Slow TTFB points at hosting or backend code; slow total time with fast TTFB points at a heavy page.
Lab scores simulate devices and networks with heavy modeling. This is a real single download timed with a stopwatch — simpler, but completely honest about what it measures.
Use server-level caching, a PHP opcode cache, a nearby server location, and keep database queries lean. TTFB under 0.5s is a good target.
No — it measures the raw document download. JavaScript-heavy pages feel slower than this number suggests.
Half of visitors abandon a page that takes over 3 seconds to load. This test downloads your page once with a stopwatch running — splitting the time into connection, server response (TTFB) and transfer so you know exactly what to fix.
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