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Network Testing

WiFi Speed Check

Measure your real internet connection speed, latency, and network performance directly from your browser.

Online
Browser-BasedDownloadUploadLatency

Real HTTP measurements · No fake data · 100% client-side

WiFi Speed Check
Ready
  1. 1Connect
  2. 2Latency
  3. 3Download
  4. 4Upload
  5. 5Complete
01050100250500+
Download Speed
0.00Mbps
Ready to test

Network usage: this test transfers real data and may consume a noticeable amount of your internet data allowance.

Download
—
Mbps
Upload
—
Mbps
Ping (avg)
—
min — · max —
Jitter
—
ms · —

Packet loss: not measured — browser HTTP transfers cannot reliably detect per-packet loss.

Speed Over Time

Time-series of actual measured throughput. Retained as this session's history.

Run a test to plot your throughput.
Download
Upload

Network Information

Browser-reported estimates — not the measured result.

Online status
—
Effective type
—
Downlink estimate
—
RTT estimate
—
Data saver
—

Browser estimate ≠ measured download. The Network Information API reports rough OS-level values; your speed-test result above is the real measurement.

Test Server & Connection

Reported by the edge that serves the test.

Your IP
—
Edge datacenter
—
Edge country
—
Protocol
HTTPS

IP-based location is approximate and identifies the CDN edge serving your test, not your ISP infrastructure.

WiFi vs. Internet Limitations

This test measures your internet connection through the web browser. Browsers cannot read physical WiFi signal strength (dBm), channel frequency, SSID, or router models. Your result reflects the combined performance of your WiFi link, local router, and your ISP's gateway.

Privacy

Measurements run entirely in your browser against high-capacity edge CDN endpoints. No account, browsing history, or personal data is required or stored. Only the transfers needed to measure speed are sent.

How to Check Your WiFi Speed

A step-by-step guide to the most accurate wireless throughput measurement.

01 · Connect

Connect your phone, laptop, or desktop to your primary WiFi network (5 GHz band recommended for speed).

02 · Pause

Close downloads, cloud backups, and video streams so nothing else competes for bandwidth.

03 · Run

Click Start Speed Test and let it complete latency, download, and upload measurements.

04 · Inspect

Review download, upload, ping, and jitter. Retest at different distances to map coverage.

Frequently Asked Questions

Answers to common questions about WiFi testing and internet performance.

How do I check my WiFi speed?
Connect your device to your WiFi network, close any heavy background downloads or streaming tabs, and click 'Start Speed Test'. The tool measures your round-trip latency (ping), calculates jitter, streams real data chunks to measure download speed, and uploads test payloads to determine upload speed.
What is a good WiFi speed?
For basic web browsing and email, 10–25 Mbps is adequate. For 4K UHD streaming and video conferencing, 25–50 Mbps is recommended. For multi-user households, cloud gaming, or large file transfers, 100 Mbps or higher ensures minimal buffering and smooth performance.
Why is my WiFi speed slower than my ISP plan?
Internet plans advertise the maximum wired connection speed to your modem under optimal conditions. WiFi speeds are reduced by physical distance from your router, radio interference from nearby networks, walls and floors, router CPU load, and other devices sharing the bandwidth.
What is the difference between download and upload speed?
Download speed measures how quickly data transfers from the internet to your device (streaming video, loading web pages). Upload speed measures how quickly your device sends data to the internet (video calls, cloud backups). Most home connections are asymmetrical with much faster download than upload.
What does ping (latency) mean?
Ping or latency is the round-trip time (in milliseconds) it takes for a network packet to travel from your browser to a server and back. Lower is better: under 20 ms is exceptional, 20–50 ms is great for online gaming, and over 100 ms can cause noticeable lag.
What is jitter?
Jitter is the variance in latency over time. If one packet takes 20 ms and the next takes 45 ms, jitter is present. Low jitter (under 5 ms) provides a stable, consistent stream essential for VoIP calls and competitive gaming. This tool calculates jitter from real latency samples.
Does WiFi speed depend on my router?
Yes. Your router's hardware generation (WiFi 5, 6, or 6E/7), frequency band (2.4 GHz travels further but is slower; 5 GHz / 6 GHz is faster but shorter range), antenna placement, and firmware directly impact wireless throughput.
Why do speed test results change throughout the day?
Internet speeds fluctuate due to neighborhood congestion during peak evening hours, router thermal throttling, temporary ISP routing changes, and household devices performing automatic background updates.
Can I test WiFi speed on my smartphone or tablet?
Yes. This WiFi Speed Check runs directly in mobile browsers (Chrome on Android, Safari on iOS, Samsung Internet, Edge) using modern HTTP fetch streaming without an app store download.
Does this speed test measure my WiFi signal or my internet connection?
Web browsers cannot directly inspect private WiFi radio signal strength (dBm) or channel frequencies. This test measures your actual end-to-end internet connection through your browser. If your WiFi link is weak, your measured internet speed drops accordingly.
Why is upload speed sometimes marked as unavailable?
Upload testing sends binary byte buffers to a measurement endpoint via HTTP POST. If a corporate firewall, privacy extension, or network policy blocks those POST requests, the tool honestly reports 'Upload test unavailable' rather than generating a synthetic value.
Can a VPN affect my speed test results?
Yes. A VPN encrypts your traffic and routes it through a remote server before it reaches the test endpoint. This encryption overhead and added routing distance typically increases ping and reduces maximum throughput.