A basic internet speed test is a good place to start. Even though it's not a true test between your connected television (or tablet, or Roku, or PC, etc.) and the Netflix or Hulu (or wherever) servers, any of the better internet speed test sites should give you a decent idea of what to expect.
- It helps us to test your speed efficiently and gives the best estimate of your connection actual speed. Note: This website is not in any way affiliated with Xfinity, Comcast Cable Communications, LLC, or Comcast Corporation and is a third party tool built specifically to test Internet speed of Xfinity Internet users.
- The Verizon speed test is fast, easy, and precise, giving you the best measurement of your broadband speed so you can determine if your network is giving you what you need. Verizon business internet plans. Price guarantee. Fios 100 Mbps +1 VoIP line for $25/mo.
Why do I get a “socket error” message?
An error may result from having the speed test open in more than one browser tab or window. The test may fail to complete and display the following message:
“A socket error occurred during the Upload test. Please try again later.”
To prevent this error, and get the most accurate test results, close all other browser tabs and windows before running.
If you continue to get a socket error message, or another type of error message, please provide feedback by emailing us at [email protected] Please, include your OS/Browser information.
Why is the location I usually pick missing from the City list?
We first complete a latency test to our servers, and if a server does not respond within a specified time frame, it is not included in the City list.
A slow response can be caused by latency or packet-loss between the client and server, or particularly high Internet usage (during peak hours). Do try the test again in a little while.
In which browsers does the Speed Test work best?
For best results, use the most recent version of your favorite browser. But at minimum use Firefox 53, Chrome 59, Safari 10, IE 11, or Edge 13 or higher. If you are unable to see Speed Test, though other content appears on the speed test page, check your browser's security setting. Try lowering the setting from High to Medium-High, or even a bit lower, to allow the broadband test application to load.
Why am I receiving “Could not connect to the Internet” errors when I am connected?
In some cases, firewall and security software can prevent the test from running and generate a 'could not connect' error. Temporarily lowering the severity should allow the broadband test to run. Be sure to turn it back on before leaving our website.
Why didn’t the test choose the server location nearest me?
Our Speed Test automatically detects the optimal server host location for testing, which is not necessarily the closest server host. This is due to real-time network circumstances like number of hops, or current traffic load on each test server. Change the selection using the Change City drop down function directly underneath the Start Test button.
Why is my speed lower than expected?
Several factors may slow your connection, resulting in lower-than-expected speeds. Try these simple suggestions below. But if your slower speeds persist, contact your broadband service provider to see if they can determine the issue.
- Be sure to stop any downloads or programs that may be using your connection while running the test.
- When using a wireless connection, there may be wireless interference. Try using a wired Ethernet connection instead.
- Try rebooting your modem or router and then running the test again.
What is “Throughput” and what factors affect my results?
There are many factors that impact your speed test results. Throughput problems in your local area network, IP or access overhead, and network design all play a role. Please read the definitions and examples below to learn more about these factors.
Download is a measure of how fast your connection delivers content to your computer or local area network.
Upload is the measure of how fast content is delivered from your computer or local area network to others on the Internet.
For businesses or power-users, download and upload speed should match or at least be very close. This is important for applications like VoIP, on-line gaming and other interactive programs. Upload speed is even more important if you are operating a server at your location. If achieving optimal upload speed is a concern, consider Ethernet or T1 services.
Kbps transfer rate = kilobit per second transfer rate. There are 8 bits in a byte, so we would divide kbps by 8 to get KB/sec transfer rate.
Mbps transfer rate = megabits per second transfer rate. 1000 kilobits equals one megabit. One megabit per second equals 1 million bits per second. Mbps is the industry-standard used by ISPs.
MegaBytes per second. There are 8 megabits in one megabyte.
- Transfer Rate
- Transfer rate is speed at which data can be transmitted between devices. As files to download become increasingly larger, the highest data transfer rate is most desirable.
Throughput is the maximum amount of communication or messaging that can be transmitted through a communication channel during an elementary unit of time, usually, in a second.
Depending on the type of channel, the addressing mechanism used in that channel, the type of messages are being transmitted and how secure the transmission needs to be—along with physical attributes like temperature, humidity and signal-to-noise ratios—actual measured throughput will vary.
An Example of Throughput
You have Ethernet 8.0 Mbps service and need to transmit an email which is exactly 1MB in size You may expect it will take exactly 1 second to transmit that message. But it will actually take longer as the total information that needs to be transmitted is more than 1MB. The total information is called Payload. The channel needs to not only transmit the payload but also some addressing details like where it is coming from and where it is destined to.
The device that sends this email will break down the message into smaller pieces and package them into what are called IP Packets. The size of these packets is usually determined by your Local Area Network. Some have smaller size, so the message will take more IP Packets to transmit; while others may have larger size which needs fewer IP Packets. Each IP Packet also contains an IP Header. This is where the information like the source IP Address, the destination IP Address and additional information about the payload is included. IP Header is usually 20 Bytes (160 Bits) long.
Assuming that this customer uses 100 Byte payload, each IP Packet will now be 120 Bytes long. And that 1MB message will have to be broken down into 10,000 payload pieces. That means to transmit the whole message the channel really needs to transmit about 1,200,000 Bytes or 1.2 MB or 9,600,000 bits. It will take at least 1.2 seconds to transmit all these bytes on this 8 Mbps service assuming that all these IP packets with the payload arrive without any errors and not needing re-transmission. This is called IP Overhead.
Actual Throughput will always be less than line rate of the access service that is communicated by your provider—and this is all based on IP Overhead only. Ethernet services also have a Layer 2 or Ethernet Overhead. Other services may have ATM, Frame Relay or other kinds of Overhead depending on the design. All of this may contribute to a slower bandwidth throughput than what you are expecting.
Other frequent factors influencing throughput:
What Is A Good Speed Test Number
- The number of devices sharing the access circuit and the activity the other devices are generating while the test is running
- A rogue LAN port that is clogging the LAN with transmission
- A leaky LAN port which degrades LAN performance
- LAN signaling issues which create a lot of packet re-transmission for the devices on the LAN
- LAN Router with performance issues, low processing power or Deep Packet Inspection and advanced security features like URL blocking enabled
- Wireless Access Points on the LAN side
- Distance (both geographical as well as number of hops) between the speed testing client and the server
Why do I see a license expiration notice?
This notice is in place to protect our test from being stolen and run, mirrored, or framed into another website.
To remove this notice:
Make sure you are going to https://www.speakeasy.net/speedtest/. We have software in place to block the test from being used in any other domain.
Also, you may have an older version of the test cached in your browser. Clearing your cache and Fusion Connect cookies should make the license expiration notice disappear.
How does security software and firewalls impact the test?
Our internet broadband test sends packets of empty data back and forth to your computer in order to test your line speed. Since we are a third-party sending a receiving a tiny data packet from your computer to perform the test, some ad block or security services interpret this as an attack and act accordingly. Temporarily lowering the severity should allow the speed test to work. Be sure to turn it back on before leaving our website.
How do I save my bandwidth test results?
Your most recent speed test results are saved in your Results History when tested on desktop or tablet.
Speed.io is a modern DSL speed test to analyze your broadband internet access. If you find that your internet connection is too slow or you are
just curious how fast it really is - speed.io is a perfect tool for a fast speed check - worldwide.
Speed.io measures your current internet speed to the server closest to you ('nearest server' is not wrong but the other way sounds more eloquent)
(we have almost 5000 servers worldwide). We test your download (speed with which you receive data from the internet), upload (speed with which you send data to the internet), connection (maximal number of connections per minute) as well as ping (response time between your computer and the internet).
All tests are performed within your browser over HTTP (TCP) and require no further software.
You can test all kind of connections (LTE, UMTS, GPRS, ISDN, DSL, VDSL or cable).
The speed test from speed.io tells you just how fast your connection is In today’s digital age, the strength and speed of your internet connection is an important part of professional and private life. Whether broadband, fibre, 3G, HSPA or 4G, the speed test from speed.io tests your connection, allowing you to verify whether or not your provider is giving you the service you’re paying for. Our speed test is also useful for those who want to compare internet packages. Armed with the test results from your speed test, you can optimise your connection and get the most out of your online experience.
How does the speed test work?
The speed test gives you the tools you need to run the test entirely in your browser. Simply ensure that your computer or mobile phone / tablet is connected to the internet either directly via a router with a network cable or via a WiFi network and press the start button on the speed.io website. The test program then establishes a link with three nearby servers and measures the speed of your broadband / fibre / wireless connection.
What do the test results mean?
The test results for your broadband or wireless network are broken down into four parts: download, upload, connects, and pings. The download value tells you how much data your WiFi or broadband connection can move from the World Wide Web to your computer. The upload value indicates how quickly you can transfer files from your computer, which is important to know for those who regularly use cloud services to store files. Connects show you the number of connections that can be established simultaneously, and the higher the value, the better. Pings refer to the response delay, which is particularly interesting to gamers. Here, lower values are preferable.
What data transfer rates should you expect to see in the test results?
Your maximum possible data transmission speed depends on whether you have a broadband, fibre, WiFi or another connection, as well as your pricing plan and service provider. The following is an overview of the theoretical highest download speeds so you can compare your test results to see just how well your speed measures up.
- ISDN: 64 Kbit/s
- DSL / broadband 1000 to 16000: 1024 to 16384 Kbit/s
- VDSL: max. 50 Mbit/s or 100 Mbit/s
- Cable: max. up to 500 Mbit/s
- Fibre: max. up to 1 Gbit/s
In the mobile sector:
- GPRS: max. 55 Kbit/s
- EDGE: max. 220 Kbit/s
- 3G: max 384 Kbit/s
- HSPA: max. 7.2 or 14 Mbit/s
- HSPA+: 42 Mbit/s
- 4G: max. 50 or 100 or 500 Mbit/s
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How fast is your internet? Find out now with the accurate and easy-to-use Speedtest from speed.io.