Luxury Fashion Retailers PageSpeed & CWV Rankings UK

In our April audit, we’ve identified a critical friction point: the conflict between high-end aesthetics and mobile performance. An 87.5% failure rate in Core Web Vitals suggests that luxury brands are inadvertently creating a 'low-rent' digital experience for their most valued mobile customers.

Luxury is defined by craftsmanship, yet the industry’s average carbon footprint of 3.27g per load points to significant technical waste a direct contradiction to modern ESG commitments. Brands that solve this 'Digital Weight' problem aren't just getting faster; they are reclaiming the seamless, frictionless experience that defines true luxury. The 5% of leaders who have optimised their stack are already miles ahead in digital craftsmanship.

Industry Snapshot (April 2026)

CWV Failure Rate

Mobile: 87.5%

Desktop: 79.2%

Accessibility (Perfect 100)

Mobile: Only 6.9%

Desktop: Only 5.6%

Avg. Carbon (CO2e)

Mobile: 3.27g

Desktop: 3.79g

Find out how your site is performing with SiteBeacon.

Serial	URL
01	fentybeauty.com	Failed	3.157 g	29	100	90	73	Very Poor
02	fila.co.uk	Failed	2.126 g	33	92	89	92	Very Poor
03	gb.maxmara.com	Failed	2.106 g	36	85	80	77	Very Poor
04	int.balmain.com/en	Failed	0.039 g	99	82	77	100	Excellent
05	larusmiani.com	Failed	3.941 g	65	92	96	92	Very Poor
06	malo.com	Failed	2.117 g	42	100	87	92	Very Poor
07	uk.diesel.com/en	Failed	1.722 g	54	100	89	73	Very Poor
08	uk.mcmworldwide.com/en_GB/home	Failed	0.712 g	67	85	76	96	Poor
09	us.canali.com	Passed	4.360 g	27	100	81	73	Very Poor
10	us.jimmychoo.com/en/home	Failed	2.422 g	34	92	83	100	Very Poor
11	us.lanvin.com	Failed	6.145 g	41	92	93	92	Very Poor
12	us.louisvuitton.com/eng-us/homep...	Failed	0.100 g	96	45	94	92	Excellent
13	www.andrelaug.com	N/A	0.502 g	66	100	93	100	Moderate
14	www.armani.com/en-gb	Failed	3.755 g	30	100	96	96	Very Poor
15	www.audemarspiguet.com/us/en/hom...	Failed	7.239 g	34	92	88	81	Very Poor
16	www.berluti.com/en-int/homepage	Failed	0.975 g	54	92	80	81	Very Poor
17	www.borsalino.com/us_en	Failed	2.061 g	38	92	72	96	Very Poor
18	www.bottegaveneta.com/en-gb	Passed	1.105 g	52	85	82	96	Very Poor
19	www.braccialini.it/en/GB/home	Failed	0.897 g	46	92	81	96	Very Poor
20	www.brioni.com/en/us	Failed	2.245 g	49	92	93	96	Very Poor
21	www.brunellocucinelli.com/en/hom...	Failed	1.363 g	71	100	88	77	Very Poor
22	www.bulgari.com/en-gb	Failed	1.945 g	46	100	98	100	Very Poor
23	www.burberry.com	Passed	0.228 g	71	82	88	100	Very Good
24	www.cartier.com/en-us/home	Failed	2.661 g	25	92	93	96	Very Poor
25	www.celine.com/en-us/home	Failed	1.639 g	37	69	77	100	Very Poor
26	www.cesareattolini.com	Failed	11.680 g	36	100	95	96	Very Poor
27	www.corneliani.com	Failed	4.689 g	44	92	89	73	Very Poor
28	www.dkny.com	Failed	1.837 g	53	92	90	69	Very Poor
29	www.escada.com	Passed	0.912 g	55	85	89	92	Very Poor
30	www.etro.com/gb-en	Failed	2.008 g	24	92	100	96	Very Poor
31	www.fendi.com/gb-en	Failed	1.307 g	61	100	100	100	Very Poor
32	www.fiorucci.com	Failed	1.883 g	57	85	89	73	Very Poor
33	www.franckmuller.com	Failed	3.041 g	35	92	95	96	Very Poor
34	www.furla.com/us/en	Failed	1.426 g	32	100	83	92	Very Poor
35	www.genny.com	Failed	7.491 g	51	92	88	92	Very Poor
36	www.gucci.com	Failed	0.532 g	35	92	100	96	Moderate
37	www.hugoboss.com/uk/home	Failed	1.160 g	36	92	87	96	Very Poor
38	www.iceberg.com/country-chooser	N/A	1.209 g	89	58	89	96	Very Poor
39	www.isaia.it	Failed	1.995 g	40	100	93	92	Very Poor
40	www.jerome-dreyfuss.com/en	Failed	6.375 g	39	85	88	88	Very Poor
41	www.jilsander.com/en-se	Failed	1.753 g	45	92	75	73	Very Poor
42	www.kenzo.com/en-gb/home	Failed	1.621 g	36	100	89	81	Very Poor
43	www.laperla.com/it-it	Failed	1.011 g	43	100	91	92	Very Poor
44	www.lardini.com	Failed	1.471 g	32	92	93	96	Very Poor
45	www.loewe.com/eur/es/home	Failed	0.819 g	29	100	95	96	Poor
46	www.lucianobarbera.com	Failed	2.433 g	72	85	86	92	Very Poor
47	www.marcjacobs.com/us-en/home	Failed	1.441 g	55	100	97	73	Very Poor
48	www.marianorubinacci.com/it	Passed	2.567 g	52	85	89	96	Very Poor
49	www.marni.com/en-se	Failed	1.564 g	37	100	84	73	Very Poor
50	www.michaelkors.global/au/en	Failed	3.322 g	43	100	89	73	Very Poor
51	www.miumiu.com/be/fr.html	Failed	3.816 g	57	92	86	73	Very Poor
52	www.moschino.com	Failed	3.486 g	37	85	72	54	Very Poor
53	www.moynat.com	Failed	11.102 g	56	92	72	92	Very Poor
54	www.ninaricci.com/en-us	Failed	3.736 g	27	100	84	73	Very Poor
55	www.omegawatches.com	Failed	2.503 g	41	100	97	96	Very Poor
56	www.oscardelarenta.com	Failed	1.629 g	43	92	97	88	Very Poor
57	www.palzileri.com/country-picker	N/A	0.149 g	92	92	96	100	Excellent
58	www.paulsmith.com	Failed	1.335 g	35	92	93	88	Very Poor
59	www.paulstuart.com	Failed	2.096 g	48	85	100	92	Very Poor
60	www.pinko.com/it-it	Passed	7.042 g	29	92	85	92	Very Poor
61	www.piquadro.com	Failed	17.512 g	38	92	97	73	Very Poor
62	www.pomellato.com/us_en	Failed	1.956 g	34	92	77	100	Very Poor
63	www.prada.com/gb/en.html	Failed	1.690 g	53	85	72	77	Very Poor
64	www.pucci.com	Failed	5.223 g	29	92	91	73	Very Poor
65	www.ralphlauren.com	Failed	3.840 g	11	83	77	54	Very Poor
66	www.robertocavalli.com/en-nl	Failed	4.809 g	27	92	92	73	Very Poor
67	www.rolex.com	Failed	1.001 g	32	100	85	54	Very Poor
68	www.rouje.com	Failed	2.335 g	50	92	60	69	Very Poor
69	www.tomfordfashion.com	Failed	1.345 g	47	92	89	92	Very Poor
70	www.toryburch.com/en-gb	Failed	1.119 g	47	92	81	100	Very Poor
71	www.verawang.com	Failed	1.255 g	60	92	88	92	Very Poor
72	www.versace.com/us/en	Failed	2.240 g	36	92	78	54	Very Poor
73	www.ysl.com	Failed	0.166 g	N/A	82	94	69	Excellent
74	www.zegna.com/us-en	Failed	1.734 g	43	92	81	50	Very Poor

Serial

URL