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	8.932 g	3	92	100	73	Very Poor
02	gb.maxmara.com	Failed	2.221 g	43	85	70	77	Very Poor
03	int.balmain.com/en	Failed	1.344 g	33	100	84	96	Very Poor
04	laperla.com	Failed	5.746 g	N/A	82	100	77	Very Poor
05	malo.com	Failed	7.537 g	32	100	83	92	Very Poor
06	uk.diesel.com/en	Failed	1.580 g	33	100	89	73	Very Poor
07	uk.mcmworldwide.com/en_GB/home	Failed	0.417 g	43	85	75	96	Good
08	us.canali.com	Passed	4.787 g	26	100	79	54	Very Poor
09	us.jimmychoo.com/en/home	Failed	2.238 g	29	92	91	100	Very Poor
10	us.lanvin.com	Failed	9.390 g	30	100	96	92	Very Poor
11	us.louisvuitton.com/eng-us/homep...	Failed	0.096 g	97	42	94	92	Excellent
12	www.alexandermcqueen.com/en-gb	Failed	3.111 g	26	92	93	96	Very Poor
13	www.andrelaug.com	N/A	0.496 g	62	100	93	100	Moderate
14	www.audemarspiguet.com/com/en/ho...	Failed	8.001 g	30	92	88	81	Very Poor
15	www.berluti.com/en-int/homepage	Failed	5.519 g	39	92	79	54	Very Poor
16	www.borsalino.com/us_en	Failed	2.864 g	27	92	70	85	Very Poor
17	www.bottegaveneta.com/en-gb	Passed	1.419 g	41	85	82	96	Very Poor
18	www.braccialini.it/en/GB/home	Failed	1.244 g	43	92	81	100	Very Poor
19	www.brioni.com/en/us	Failed	2.093 g	37	92	90	96	Very Poor
20	www.brunellocucinelli.com/en/hom...	Failed	1.299 g	58	100	88	77	Very Poor
21	www.bulgari.com/en-gb	Failed	1.009 g	54	100	100	100	Very Poor
22	www.burberry.com	Passed	0.283 g	62	82	88	77	Very Good
23	www.cartier.com/nl-be	Failed	1.421 g	17	85	84	77	Very Poor
24	www.celine.com/en-us/home	Failed	2.611 g	5	77	77	100	Very Poor
25	www.cesareattolini.com	Failed	9.013 g	35	100	95	96	Very Poor
26	www.chanel.com/be-fr	Failed	0.752 g	19	92	100	96	Poor
27	www.corneliani.com	Failed	5.735 g	34	100	96	73	Very Poor
28	www.dkny.com	Failed	1.448 g	49	92	89	69	Very Poor
29	www.escada.com	Passed	1.147 g	49	85	84	92	Very Poor
30	www.etro.com/gb-en	Failed	2.005 g	28	92	99	96	Very Poor
31	www.fendi.com/gb-en	Failed	2.014 g	66	100	100	100	Very Poor
32	www.fiorucci.com	Failed	1.528 g	40	77	84	92	Very Poor
33	www.franckmuller.com	Failed	2.872 g	27	92	95	96	Very Poor
34	www.furla.com/us/en	Failed	1.360 g	31	100	83	92	Very Poor
35	www.genny.com	Failed	1.081 g	84	100	87	96	Very Poor
36	www.gucci.com/uk/en_gb	Failed	1.408 g	5	92	92	96	Very Poor
37	www.hugoboss.com/uk/home	Passed	1.159 g	28	92	87	81	Very Poor
38	www.isaia.it	Failed	1.474 g	30	100	97	92	Very Poor
39	www.jerome-dreyfuss.com/en	Failed	1.160 g	46	92	89	92	Very Poor
40	www.jilsander.com/en-us	Failed	1.998 g	44	92	75	73	Very Poor
41	www.kenzo.com/en-gb/home	Failed	2.004 g	36	100	89	81	Very Poor
42	www.lardini.com	Failed	1.367 g	52	92	92	77	Very Poor
43	www.larusmiani.it	Failed	1.963 g	49	100	89	96	Very Poor
44	www.loewe.com/eur/es/home	Failed	1.393 g	33	100	87	92	Very Poor
45	www.lucianobarbera.com	Failed	3.411 g	50	85	86	92	Very Poor
46	www.marcjacobs.com/us-en/homepag...	Failed	3.485 g	44	92	89	73	Very Poor
47	www.marianorubinacci.com/it	Passed	2.086 g	41	85	89	100	Very Poor
48	www.marni.com/en-us	Failed	2.240 g	36	100	84	73	Very Poor
49	www.michaelkors.global/au/en	Failed	3.158 g	33	100	90	77	Very Poor
50	www.miumiu.com/fi/en.html	Failed	4.266 g	28	85	76	54	Very Poor
51	www.moschino.com	Failed	2.922 g	31	85	75	54	Very Poor
52	www.moynat.com	Failed	10.944 g	41	92	73	92	Very Poor
53	www.ninaricci.com/en-us	Failed	3.851 g	26	100	84	77	Very Poor
54	www.omegawatches.com	Failed	1.992 g	38	100	97	96	Very Poor
55	www.oscardelarenta.com	Passed	2.702 g	40	92	97	92	Very Poor
56	www.palzileri.com/uk	N/A	0.881 g	38	92	92	92	Very Poor
57	www.paulsmith.com	Failed	1.516 g	27	92	93	88	Very Poor
58	www.paulstuart.com	Failed	0.003 g	100	36	96	96	Excellent
59	www.pinko.com/it-it	Failed	4.281 g	31	100	90	96	Very Poor
60	www.piquadro.com	Failed	16.920 g	28	92	97	73	Very Poor
61	www.pomellato.com/gb_en	Failed	17.506 g	17	92	73	100	Very Poor
62	www.prada.com/gb/en.html	Failed	4.663 g	29	85	71	96	Very Poor
63	www.ralphlauren.com	Failed	3.611 g	29	83	75	54	Very Poor
64	www.rolex.com	Failed	1.588 g	28	92	86	58	Very Poor
65	www.rouje.com	Failed	2.014 g	36	92	60	88	Very Poor
66	www.tiffany.com	Failed	10.663 g	35	92	78	73	Very Poor
67	www.tomfordfashion.com	Failed	2.119 g	32	92	89	96	Very Poor
68	www.toryburch.com/en-gb	Failed	3.986 g	36	92	82	96	Very Poor
69	www.verawang.com	Failed	1.162 g	61	92	87	96	Very Poor
70	www.versace.com/us/en	Failed	2.128 g	30	92	77	54	Very Poor
71	www.ysl.com/en-gb	Failed	1.381 g	45	92	96	96	Very Poor
72	www.zegna.com/us-en	Failed	1.639 g	34	92	81	50	Very Poor

Serial

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