GitHub|Since 2007
Wptr Lab

USCoreSitevsFlexentialUS

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

Test Date: 2/23/2026

CoreSite
WPTR ScoreWinner520 ms
Rank#50
TTFB134ms
Time to 1MB124ms
Score520
LCP534ms
FCP334ms
Flexential
WPTR Score3614 ms
Rank#752
TTFB2160ms
Time to 1MB520ms
Score3614
LCP2560ms
FCP2360ms

Our Verdict

CoreSite wins with 134ms TTFB (vs Flexential's 2160ms)

TTFB Breakdown (Connection Phases)

PhaseCoreSiteFlexentialWinner
DNS Lookup129ms1msFlexential
TCP Connection6ms6msTie
TLS Handshake12ms9msFlexential
Server Processing75ms2350msCoreSite
Total TTFB222ms2366msCoreSite

Technology & Security Features

CoreSite

Server/CDNcloudflare
HSTS Enabled
Brotli Compression Enabled
HTTP/3 (QUIC) Enabled
Page Size201.7 KB

Flexential

Server/CDNcloudflare
HSTS Enabled
Brotli Compression Disabled
HTTP/3 (QUIC) Disabled
Page Size167.7 KB
3/3
CoreSite Security Features
1/3
Flexential 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.