How to Check Your Internet Speed (And What the Results Mean)

5 min read
Beginner Internet Speed Test WiFi Networking

"Is my internet slow or is it just me?" Everyone has asked this question. The answer starts with a speed test — but knowing your numbers is only useful if you understand what they mean and what to do about them.

This guide shows you how to test your internet speed, what each measurement means, what speeds you actually need, and how to fix common problems.

Test Your Speed Now

Use our free Speed Test — it measures download, upload, ping, and jitter directly to our self-hosted server in Dallas, TX. No ads, no tracking, clean results.

For global latency testing, try our Global Ping Test which measures response times to 300+ endpoints worldwide.

Understanding Your Results

Download Speed

What it measures: How fast data travels FROM the internet TO your device.

Measured in: Mbps (megabits per second)

Affects: Loading websites, streaming video, downloading files, video calls (receiving)

Speed What You Can Do
1-5 Mbps Basic browsing, email, SD video
10-25 Mbps HD streaming, video calls, small household
50-100 Mbps 4K streaming, multiple devices, gaming
100-300 Mbps Large household, heavy downloading, work from home
300+ Mbps Overkill for most people

Upload Speed

What it measures: How fast data travels FROM your device TO the internet.

Measured in: Mbps

Affects: Video calls (sending your video), uploading files, live streaming, sending email attachments, cloud backups

Upload is typically much slower than download on most home connections. Fiber connections often have symmetrical speeds (same upload and download).

Speed What You Can Do
1-3 Mbps Email, basic video calls
5-10 Mbps HD video calls, uploading photos
10-25 Mbps 1080p live streaming, fast file uploads
25-50 Mbps 4K live streaming, remote work
50+ Mbps Professional streaming, hosting servers

Ping (Latency)

What it measures: The time it takes for a small packet of data to travel to the server and back, measured in milliseconds (ms).

Affects: Online gaming, video call responsiveness, general snappiness

Ping Rating Good For
1-20 ms Excellent Competitive gaming, trading
20-50 ms Good Any online gaming, video calls
50-100 ms Acceptable Casual gaming, browsing
100-200 ms Poor Noticeable lag in real-time apps
200+ ms Bad Unusable for gaming/video calls

Jitter

What it measures: The variation in ping over time. If your ping jumps between 20ms and 150ms, you have high jitter.

Affects: Video call stability, gaming smoothness, VoIP quality

Jitter Rating
Under 5 ms Excellent
5-20 ms Good
20-50 ms Noticeable stuttering in calls
50+ ms Calls drop, games lag unpredictably

What Speed Do You Actually Need?

By Activity

Activity Download Upload Ping
Web browsing 5 Mbps 1 Mbps Any
Netflix (HD) 5 Mbps Any
Netflix (4K) 25 Mbps Any
YouTube (4K) 20 Mbps Any
Zoom/Teams 3 Mbps 3 Mbps Under 150 ms
Online gaming 10 Mbps 5 Mbps Under 50 ms
Twitch streaming 10 Mbps 6-8 Mbps Under 50 ms
Working from home 25 Mbps 10 Mbps Under 100 ms

By Household Size

Household Recommended Plan
1 person, light use 25-50 Mbps
2 people, moderate use 50-100 Mbps
Family (3-5 people) 100-300 Mbps
Heavy use / many devices 300-500 Mbps
Home office + family 200-500 Mbps

Why Your Speed Test Results Might Be Low

WiFi Issues (Most Common)

WiFi is almost always the bottleneck, not your ISP.

Distance from router: WiFi signal weakens with distance and walls. Test near the router — if speed is fine there but slow in another room, it is a WiFi coverage problem.

Interference: Other WiFi networks, microwaves, Bluetooth devices, and thick walls all degrade WiFi signal.

Old router: WiFi 4 (802.11n) maxes out around 150-300 Mbps. WiFi 5 (802.11ac) can do 800+ Mbps. WiFi 6 (802.11ax) handles 1 Gbps+.

Wrong frequency band: 2.4 GHz has longer range but slower speeds. 5 GHz is faster but shorter range. Use 5 GHz when close to the router.

Fix WiFi Problems

  1. Move closer to the router or move the router to a central location
  2. Use 5 GHz band if available (usually a separate network name or "5G" suffix)
  3. Restart your router — sounds basic, but fixes many issues
  4. Update router firmware — manufacturers release performance improvements
  5. Get a WiFi mesh system for large homes (Eero, Google WiFi, TP-Link Deco)
  6. Use ethernet for devices that need reliable speed (desktop, gaming console, smart TV)

ISP Issues

If speed is slow even on ethernet directly connected to the modem:

  • Check your plan — you might be paying for 50 Mbps and expecting 200
  • Peak hours — cable internet slows down in the evening when everyone is streaming
  • Call your ISP — they can check for line issues and may need to reprovision your modem
  • Modem is old — ISP-provided modems are often outdated. Buying your own can improve speeds

Device Issues

  • Old device — a 10-year-old laptop may not be able to process data fast enough
  • Too many tabs/apps — background downloads and updates eat bandwidth
  • VPN — VPNs add overhead and route traffic through another server, reducing speed
  • Malware — can use your bandwidth in the background

How to Get Accurate Speed Test Results

  1. Use ethernet if possible (WiFi adds variability)
  2. Close other apps and tabs
  3. Disconnect other devices temporarily
  4. Run the test 3 times and average the results
  5. Test at different times of day (morning vs evening)
  6. Test to a nearby server for best-case results

Test Your Speed

See Also