Home Reports 2025 Global South Korea

Internet Speed Report South Korea September 2025

A comprehensive analysis of broadband performance in South Korea based on real user speed tests conducted on Bandwidth Place.

Total Tests

82

Avg. Download

300.14Mbps

Avg. Upload

199.42Mbps

Avg. Ping

27.3ms

Top Internet Providers

Provider Avg Speed
SK Broadband Co Ltd 127.3 Mbps
SK Broadband Co Ltd 562.0 Mbps
Korea Telecom 470.6 Mbps
LG POWERCOMM 810.8 Mbps
KORNET 507.9 Mbps
Korea Telecom 373.5 Mbps
KORNET 127.3 Mbps
SK Broadband Co Ltd 139.2 Mbps
KORNET 209.7 Mbps
SK Broadband Co Ltd 294.7 Mbps

Top Devices

Device Share
Generic Smartphone 4.9%
Generic Smartphone 4.9%
iPhone 3.7%
iPhone 3.7%
iPhone 1.2%
iPhone 1.2%

Top Browsers

Browser Share
Chrome 37.8%
Chrome 11.0%
Chrome Mobile 4.9%
Chrome 4.9%
Samsung Internet 4.9%
Chrome 3.7%
Chrome 3.7%
Mobile Safari 3.7%
Mobile Safari 3.7%
Firefox 3.7%

Analysis Methodology

The data presented in this report is aggregated directly from real user speed tests performed on the Bandwidth Place platform testing network nodes globally during 2025. We calculate the localized metrics using strict data sanity checks to prevent skewed results from anomalies or extreme outliers.

SEO & Location Routing Structure: Because location data is structurally rigid, caching data dynamically to static hierarchy (Country -> State -> City) provides significant improvements to PageSpeed metrics and Time to First Byte (TTFB). This strategy ensures optimum indexing for search engines processing localized queries.