WordPress 6.3 RC3 performance

	A	B	C	D	E	F
1	Metric	Percentile	WP 6.2.2	WP 6.3 RC3	Diff %	Diff abs.
2	TTFB	p10	141.78	116.25	-18.01%	-25.53
3		p25	143.15	118.77	-17.03%	-24.38
4		p50 (median)	144.25	122.3	-15.22%	-21.95
5		p75	147.85	126.57	-14.39%	-21.28
6		p90	152.37	130.85	-14.12%	-21.52
7	FCP	p10	243.26	179.12	-26.37%	-64.14
8		p25	245.72	181.55	-26.12%	-64.17
9		p50 (median)	248.1	187.5	-24.43%	-60.60
10		p75	253.02	189.25	-25.20%	-63.77
11		p90	260.35	194.97	-25.11%	-65.38
12	LCP	p10	243.26	179.12	-26.37%	-64.14
13		p25	245.72	181.55	-26.12%	-64.17
14		p50 (median)	248.1	187.5	-24.43%	-60.60
15		p75	254.57	189.25	-25.66%	-65.32
16		p90	265.58	194.97	-26.59%	-70.61
17	LCP-TTFB	p10	100.24	60.79	-39.36%	-39.45
18		p25	101.97	61	-40.18%	-40.97
19		p50 (median)	103.25	62.1	-39.85%	-41.15
20		p75	105.87	66.67	-37.03%	-39.20
21		p90	117.63	72.44	-38.42%	-45.19
22
23	Tests were conducted using the "benchmark-web-vitals" command with 20 runs each, following the workflow documented here.
24	Tests were using Twenty Twenty-Three and its home page with the default content plus a featured image added to the "Hello world!" post.
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