Address feedback

WordPress · Jan 31, 2023 · f0bc52f · f0bc52f
1 parent a865806
commit f0bc52f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/packages/e2e-tests/specs/performance/utils.js b/packages/e2e-tests/specs/performance/utils.js
@@ -89,7 +89,6 @@ export async function getLoadingDurations() {
 				requestStart,
 				responseStart,
 				responseEnd,
-				startTime,
 				domContentLoadedEventEnd,
 				loadEventEnd,
 			},
@@ -111,7 +110,8 @@ export async function getLoadingDurations() {
 				).startTime - responseEnd,
 			// This is evaluated right after Puppeteer found the block selector.
 			firstBlock: performance.now() - responseEnd,
-			timeToFirstByte: responseStart - startTime,
+			// As defined by https://web.dev/ttfb/#measure-ttfb-in-javascript
+			timeToFirstByte: responseStart,
 		};
 	} );
 }