GitHub|Since 2007
Wptr Lab

cnUCloudvsZZIDCcn

Head-to-head hosting performance comparison based on real test data

Test Date: 2/25/2026

UCloud
WPTR ScoreWinner6207 ms
Rank#600
TTFB1947ms
Time to 1MB124ms
Score6207
LCP2347ms
FCP2147ms
ZZIDC
WPTR Score8562 ms
Rank#863
TTFB3505ms
Time to 1MB2670ms
Score8562
LCP3905ms
FCP3705ms

Our Verdict

UCloud wins with 1947ms TTFB (vs ZZIDC's 3505ms)

TTFB Breakdown (Connection Phases)

PhaseUCloudZZIDCWinner
DNS Lookup4922ms617msZZIDC
TCP Connection54ms728msUCloud
TLS Handshake56ms290msUCloud
Server Processing877ms519msZZIDC
Total TTFB5909ms2154msUCloud

Technology & Security Features

UCloud

Server/CDNuewaf/4.0.3
HSTS Disabled
Brotli Compression Disabled
HTTP/3 (QUIC) Disabled
Page Size112.4 KB

ZZIDC

Server/CDNUnknown
HSTS Enabled
Brotli Compression Disabled
HTTP/3 (QUIC) Disabled
Page Size117.3 KB
0/3
UCloud Security Features
1/3
ZZIDC Security Features

TTFB Comparison Over Time

Understanding the Metrics

WPTR Score: Wptr Lab Real-Load Score: (Time to 1MB x 2.4) + TTFB. Raw server & network performance (Lower is better).
TTFB: Time to First Byte - How fast the server responds
Time to 1MB: Time to 1MB - Time taken to download 1MB of data (lower is better)
LCP: Largest Contentful Paint - When main content loads
FCP: First Contentful Paint - When first content appears
Score: Overall performance score (0-100)

A Note on Hosting Selection

While TTFB and performance metrics are important indicators, choosing the right hosting provider involves many other factors: security measures, customer support quality, uptime guarantees, scalability options, and pricing structure. Academic research emphasizes that a balanced approach considering all these aspects leads to better long-term outcomes.

Chizhov, A., & Fesenko, A. (2025). Web hosting companies' client solutions: A study of a strategic standpoint. Corporate & Business Strategy Review. doi.org/10.22495/cbsrv6i1art14

Data in this comparison is obtained through independent tests using our TTFB Checker tool.