https://lomray.com
No critical performance issues detected on this run. Here is what we verified:
measured in a simulated load on a throttled mid-range phone
LCP measures how long the main content takes to appear. Google's 'good' threshold is 2.5s.
measured in a simulated load on a throttled mid-range phone
This site has no real-user interaction data yet, so we report Total Blocking Time from the lab run instead: how long the main thread was locked up during load. 'Good' is under 200ms. It is a predictor of interaction lag, not a measurement of it.
measured in a simulated load on a throttled mid-range phone
CLS measures how much the layout jumps while loading. 'Good' is under 0.1.
measured in a simulated load on a throttled mid-range phone
TTFB is how long the server takes to send the first byte. 'Good' is under 0.8s.
measured in a simulated load on a throttled mid-range phone
The amount of JavaScript the browser must download, parse and execute before the page is interactive.
The first time we pointed this tool at ourselves it came back with a 7.5-second LCP and a punch list. We fixed what it found and measured between every step — the full teardown, with the numbers that moved and the ones that did not:
A URL and about thirty seconds. It will tell you honestly if there is nothing wrong, which is sometimes the most useful answer.