RealSpeeds

Internet Speeds in Naperville, IL

Naperville residents have 3 internet providers to choose from. Xfinity is the most popular provider, offering cable and fiber internet service. In our research, we have been seeing 166 Mbps for download speeds and 21 Mbps for upload speeds for Xfinity customers over 31,895 recent tests. AT&T and WOW! also have coverage in Naperville, although they are not as popular as Xfinity. These providers offer DSL, fiber and cable internet service.

See more detailed speed and coverage data below.

Last updated on January 22, 2023
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
Fiber
View Details →
166 Mbps21 Mbps9 ms
AT&T
DSL
Fiber
View Details →
71 Mbps19 Mbps13 ms
WOW!
Cable
View Details →
155 Mbps24 Mbps12 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Naperville, IL

Xfinity

Cable
Fiber

Download Speed

166Mbps

Upload Speed

21Mbps

Latency

9ms

Overview

Xfinity is the most popular provider in Naperville offering cable and fiber internet service. Users have been getting 166 Mbps for download speeds and 21 Mbps for upload speeds over 31,895 recent tests.

Performance Breakdown

Xfinity has the fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Naperville. 28% of users saw download speeds between 100-250 Mbps, and 63% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Xfinity Speed Tests in Naperville

DateDownload SpeedUpload SpeedLatency
January 21, 2023248 Mbps28 Mbps12 ms
January 21, 2023244 Mbps41 Mbpsn/a ms
January 21, 2023835 Mbps24 Mbpsn/a ms
January 21, 2023354 Mbps23 Mbps12 ms
January 21, 202327 Mbps12 Mbps8 ms
January 21, 2023235 Mbps23 Mbps8 ms
January 21, 2023514 Mbps39 Mbps10 ms
January 21, 202389 Mbps17 Mbps34 ms
January 21, 2023351 Mbps12 Mbps10 ms
January 21, 2023161 Mbps21 Mbps11 ms

AT&T

DSL
Fiber

Download Speed

71Mbps

Upload Speed

19Mbps

Latency

13ms

Overview

AT&T is the 2nd most popular provider in Naperville offering DSL and fiber internet service. Users have been getting 71 Mbps for download speeds and 19 Mbps for upload speeds over 3,991 recent tests.

Performance Breakdown

AT&T has the 3rd fastest average download speed, the 3rd fastest average upload speed, and the 3rd lowest latency out of all of the providers in Naperville. 23% of users saw download speeds between 50-100 Mbps, and 24% of users saw upload speeds slower than 5 Mbps.

Download Speeds

Upload Speeds

Recent AT&T Speed Tests in Naperville

DateDownload SpeedUpload SpeedLatency
January 21, 2023270 Mbps150 Mbps3 ms
January 21, 202337 Mbps1 Mbps22 ms
January 21, 202320 Mbps2 Mbps23 ms
January 21, 2023323 Mbps174 Mbps5 ms
January 21, 202394 Mbps93 Mbpsn/a ms
January 21, 2023267 Mbps281 Mbpsn/a ms
January 21, 2023364 Mbps354 Mbps4 ms
January 21, 20236 Mbps2 Mbps27 ms
January 21, 2023729 Mbps536 Mbps4 ms
January 21, 20231 Mbps1 Mbps33 ms

WOW!

Cable

Download Speed

155Mbps

Upload Speed

24Mbps

Latency

12ms

Overview

WOW! is the 3rd most popular provider in Naperville offering cable internet service. Users have been getting 155 Mbps for download speeds and 24 Mbps for upload speeds over 2,653 recent tests.

Performance Breakdown

WOW! has the 2nd fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in Naperville. 31% of users saw download speeds between 100-250 Mbps, and 32% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent WOW! Speed Tests in Naperville

DateDownload SpeedUpload SpeedLatency
January 21, 2023522 Mbps93 Mbps31 ms
January 21, 2023460 Mbps26 Mbpsn/a ms
January 21, 202387 Mbps11 Mbps8 ms
January 21, 2023155 Mbps17 Mbps25 ms
January 21, 2023121 Mbps54 Mbps25 ms
January 21, 2023165 Mbps23 Mbps7 ms
January 20, 202341 Mbps1 Mbpsn/a ms
January 20, 2023534 Mbps26 Mbpsn/a ms
January 20, 202334 Mbps52 Mbps12 ms
January 20, 202359 Mbps11 Mbps27 ms

Test Your Internet Speed

Download
0
Mbps
Upload
0
Mbps
Latency ms

We’ll run a download test and an upload test to give you the full picture of your internet connection.

Nearby Cities

Popular Cities in Illinois

Featured Cities

Frequently Asked Questions

What internet providers are available in Naperville, IL?

Xfinity, AT&T and WOW! currently operate in Naperville.

What is the most popular internet provider in Naperville, IL?

Xfinity is currently the most popular internet provider in Naperville based on the number of speed tests in the last 3 months.

What is the fastest internet provider in Naperville, IL?

The fastest internet provider for you is going to differ based on your needs, and which providers actually serve your home. However, when it comes to the real speeds users in Naperville are getting, Xfinity provides the fastest download and upload speeds.

Is there fiber internet in Naperville, IL?

Xfinity and AT&T provide fiber internet in Naperville.