The 10 Fastest Science Supplies Ecommerce Sites

(August 2026) - real-user mobile speed from Google CrUX, 28-day window

Rank	Brand	CWV	LCP	INP	CLS
1	Celestron	PASS	1.5s	128ms	0.02
2	Home Science Tools	FAIL	2.0s	169ms	0.14
3	Nasco Education	FAIL	2.2s	94ms	0.24
4	AmScope	FAIL	2.7s	142ms	0.33
5	Fisher Scientific	FAIL	3.2s	154ms	0.04
6	LabPlanet.com	FAIL	3.8s	-	0.01
7	Texas Instruments	FAIL	4.0s	318ms	0.05
8	Carolina Biological	FAIL	5.1s	279ms	0.06
9	Flinn Scientific	FAIL	5.9s	145ms	0.38
10	Ward's Science	FAIL	6.0s	171ms	0.79

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