Image CDNs impact Shopify sites

Performance impact by image_cdn provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · All devices field outcomes · Shopify sites only
Metric LCP INP CLS
Shopify Scoped to 8,248 sites out of 203,892 analyzed (cms) Compare with all sites →
1

At a glance the headline numbers for Image CDNs impact

Performance impact by image_cdn provider.

4
Providers ranked
After min-sites filter
2,207
Sites in sample
Combined across all items
1.7s
Best LCP (p75)
Imgix
The State of Web Vitals · October 2026 · Shopify sites (8,248) · all devices field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by LCP at p75, fastest first

# Provider LCP p75 Passing Sites
1 Imgix 1.7s 97.1%
312
2 Bunny Image Optimizer 1.8s 94.5%
1,569
3 Akamai Image Manager 1.8s 94.8%
262
4 Uploadcare 2.0s 91.8%
64
The State of Web Vitals · October 2026 · Shopify sites (8,248) · all devices field datacorewebvitals.io/state-of-cwv
3

Passing LCP per provider which group passes the LCP most often

ProviderSitesPassing LCPp75
imgix 3.8% 312 97% 1.7s
Akamai Image Manager 3.2% 262 95% 1.8s
Bunny Image Optimizer 19% 1,569 95% 1.8s
Uploadcare 0.8% 64 92% 2.0s
Cloudinary 0.1% 11 91% 1.9s
Thumbor 0.1% 7 86% 2.4s
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good LCP (2.5s at p75) · one value per site

No provider stands out: pass rates sit between 95% and 97%. computed

The State of Web Vitals · October 2026 · Shopify sites (8,248) · all devices field datacorewebvitals.io/state-of-cwv
4

All five vitals at once the whole category without toggling - cell is the pass rate, small number the p75

LCP
INP
CLS
FCP
TTFB
Bunny Image Optimizer 19%
951.8s
94135ms
910.03
951.2s
96527ms
imgix 3.8%
971.7s
95138ms
960.03
971.2s
96526ms
Akamai Image Manager 3.2%
951.8s
91145ms
910.04
951.2s
96512ms
Uploadcare 0.8%
922.0s
92154ms
970.03
941.3s
91559ms
Cloudinary 0.1%
911.9s
80172ms
910.04
1001.4s
82646ms
Thumbor 0.1%
862.4s
100151ms
1000.08
861.5s
83581ms
60%95%+ passing Cell: pass rate, small number = p75 · faded rows: under 100 sites

One row per provider, one column per vital - the cell is the share of sites passing, the small number the p75. No toggling needed to see where the category actually differs.

imgix leads on LCP: 97% of its sites pass. Akamai Image Manager trails at 95%. computed

The State of Web Vitals · October 2026 · Shopify sites (8,248) · all devices field datacorewebvitals.io/state-of-cwv
Related signals Search (6) → Font services (4) → Personalization (6) → CDN (16) → 203,892 crawled sites with Chrome field data, representing millions of real page loads · How we measured