Alibaba Cloud vs Cloudflare vs Kingsoft Cloud vs Tencent Cloud: CDN Performance Comparison

Compare Alibaba Cloud vs Cloudflare vs Kingsoft Cloud vs Tencent Cloud. Current page data shows Cloudflare has the lowest P50 latency (37.98ms), while Tencent Cloud has the highest P50 throughput (175.84 Mbps). Review latency, uptime, throughput, sample size, and security capabilities side by side.

Data updated: 9/27/2026, 00:00:20

CDNs in this comparison

Alibaba Cloud CDN

www.alibabacloud.com/product/cdn

P50 latency

67.84ms

Uptime

99.7%

View provider details

Cloudflare

www.cloudflare.com

P50 latency

37.98ms

Uptime

99.77%

View provider details

Kingsoft Cloud CDN

www.ksyun.com/

P50 latency

81.25ms

Uptime

99.68%

View provider details

Tencent Cloud CDN

cloud.tencent.com/product/cdn

P50 latency

73.41ms

Uptime

99.71%

View provider details

Core metric comparison

Metric	Alibaba Cloud CDN	Cloudflare	Kingsoft Cloud CDN	Tencent Cloud CDN
Overall score	76	80	73	76
P50 latency	67.84ms	37.98ms	81.25ms	73.41ms
P95 latency	96.07ms	55.9ms	115.13ms	103.71ms
Uptime	99.7%	99.77%	99.68%	99.71%
P50 throughput	153.75 Mbps	139.07 Mbps	126.13 Mbps	175.84 Mbps
Security score	50	50	50	50
HTTP/3
Samples	3,383	5,481	6,762	5,596
Pricing model	Pay-as-you-go / Bandwidth billing	Free tier + usage-based billing	Pay-as-you-go / bandwidth-based billing	Pay-as-you-go / Bandwidth-based billing

Data notes and methodology

The comparison results are generated using a unified metric definition; the data update time, sample size, and missing items will be clearly displayed on the page.

This page retains the latest result that met the publication criteria and is replaced only by newer qualifying data.