Internet Provider Speed Report 2025
Independent speed test results from millions of real-world tests. Compare actual download and upload speeds across major ISPs.
Quick Answer
Google Fiber is the fastest ISP with 266.38 Mbps average download and 183.11 Mbps average upload speeds. Data sourced from Reviews.org independent speed testing.
2025 Speed Ranking
Google Fiber
Up to 8,000 Mbps
266.38 Mbps
183.11 Mbps upload
FastestVerizon Fios
Up to 2,300 Mbps
250.84 Mbps
139.05 Mbps upload
Cox Internet
Up to 2,000 Mbps
242.63 Mbps
43.24 Mbps upload
Xfinity
Up to 2,000 Mbps
242.61 Mbps
33.16 Mbps upload
Spectrum
Up to 1,000 Mbps
216.73 Mbps
19.43 Mbps upload
AT&T Fiber
Up to 5,000 Mbps
213.61 Mbps
173.13 Mbps upload
Frontier Fiber
Up to 5,000 Mbps
213.2 Mbps
184.64 Mbps upload
Optimum
Up to 8,000 Mbps
205.88 Mbps
21.39 Mbps upload
Kinetic by Windstream
Up to 2,000 Mbps
123.91 Mbps
103.38 Mbps upload
CenturyLink
Up to 940 Mbps
105.53 Mbps
97.36 Mbps upload
Starlink
Up to 220 Mbps
92.65 Mbps
8.48 Mbps upload
Data sourced from Reviews.org, Independent speed testing with proprietary methodology
Fiber vs Cable: Speed Comparison
Fiber Providers
Fiber offers symmetrical upload/download speeds
Cable Providers
Cable has slower upload speeds vs download
Detailed Reports by Provider
Google Fiber
fiberVerizon Fios
fiberCox Internet
cableXfinity
cableSpectrum
cableAT&T Fiber
fiberFrontier Fiber
fiberOptimum
fiberKinetic by Windstream
fiberCenturyLink
fiberStarlink
satelliteKey Findings
Google Fiber
Google Fiber averaged 266.38 Mbps download and 183.11 Mbps upload speeds in independent testing, ranking #1 nationwide (Source: Reviews.org, 2025-01-01).
Verizon Fios
Verizon Fios averaged 250.84 Mbps download and 139.05 Mbps upload speeds in independent testing, ranking #2 nationwide (Source: Reviews.org, 2025-01-01).
Cox Internet
Cox Internet averaged 242.63 Mbps download and 43.24 Mbps upload speeds in independent testing, ranking #3 nationwide (Source: Reviews.org, 2025-01-01).
Xfinity
Xfinity averaged 242.61 Mbps download and 33.16 Mbps upload speeds in independent testing, ranking #4 nationwide (Source: Reviews.org, 2025-01-01).
Spectrum
Spectrum averaged 216.73 Mbps download and 19.43 Mbps upload speeds in independent testing, ranking #5 nationwide (Source: Reviews.org, 2025-01-01).
AT&T Fiber
AT&T Fiber averaged 213.61 Mbps download and 173.13 Mbps upload speeds in independent testing, ranking #6 nationwide (Source: Reviews.org, 2025-01-01).
Frontier Fiber
Frontier Fiber averaged 213.2 Mbps download and 184.64 Mbps upload speeds in independent testing, ranking #7 nationwide (Source: Reviews.org, 2025-01-01).
Optimum
Optimum averaged 205.88 Mbps download and 21.39 Mbps upload speeds in independent testing, ranking #8 nationwide (Source: Reviews.org, 2025-01-01).
Kinetic by Windstream
Kinetic by Windstream averaged 123.91 Mbps download and 103.38 Mbps upload speeds in independent testing, ranking #9 nationwide (Source: Reviews.org, 2025-01-01).
CenturyLink
CenturyLink averaged 105.53 Mbps download and 97.36 Mbps upload speeds in independent testing, ranking #10 nationwide (Source: Reviews.org, 2025-01-01).
Starlink
Starlink averaged 92.65 Mbps download and 8.48 Mbps upload speeds in independent testing, ranking #11 nationwide (Source: Reviews.org, 2025-01-01).
Frequently Asked Questions
Which internet provider has the fastest speeds?
Google Fiber is the fastest ISP with 266.38 Mbps average download and 183.11 Mbps average upload speeds, based on independent speed testing by Reviews.org.
Is fiber internet faster than cable?
Yes, fiber internet is generally faster and more reliable than cable. Fiber providers like Google Fiber, Verizon Fios, and AT&T Fiber offer symmetrical upload/download speeds, while cable providers like Xfinity and Spectrum have much slower upload speeds.
What is a good internet speed?
For most households, 100-200 Mbps is sufficient for streaming, gaming, and video calls. The FCC's current broadband standard is 100 Mbps download / 20 Mbps upload. Power users and large families may benefit from 300+ Mbps.
Where does this speed data come from?
Speed data is sourced from Reviews.org, which conducts independent speed tests using proprietary methodology. Their data represents real-world speeds experienced by actual customers.