Internet connection speed measurement. Why speed tests have different results
Many who have already encountered Internet speed testing services have noticed that the result of these tests quite often diverges from the tariff plan (the speed provided by the provider). The majority, not delving into the details and subtleties of the services, prefer to believe the indicated results of the speed test, on, perhaps for the first time, an open site. And then calls to the technical support of the provider begin with complaints and claims. Often, long negotiations with technical support end in nothing - the recommendations of the technical staff are difficult to fulfill, or scary. And, as a result, the client is not satisfied.
We did a little testing of the most popular Internet connection speed testing services and decided to find out which service to give the most preference to, and also tried to find out why speed measurements show such different results. On each of the sites, we carried out from 3 to 5 measurements, citing here the best indicators.
For testing, we used a simple system unit with a dual-core processor, 2 GB of RAM, installed with the Windows 7 operating system. The computer is not installed, the firewall is disabled. All components and modules (including the flash player) have been updated. Used browsers: Opera, Chrome, Fire Fox, Safari, testing was carried out in each of them. The network card is the most inexpensive, with an interface speed of 100 Mbps (Full duplex). The computer was connected with a 3-meter twisted pair cable to a Cisco L2 switch with a 1 Gb / s port (auto) and an external interface (Internet channel) 2 Gb / s (LACP bonding mode 2).
In total, an analogue of broadband Internet access was obtained with a speed limited by the bandwidth of the computer's network card - 100 Mbps.
Speedtest.net by Ookla - Global Speed Test
speedtest.net- probably one of the first and most popular services for checking the main network parameters. The test itself was created on the basis of flash technology, which, on the one hand, is beautiful, convenient and visual, on the other hand, it can fail - an incorrectly installed flash player on your computer, or a browser flash module is not able to fully implement speed testing, and , as a result - measurement errors.The web interface of the page http://www.speedtest.net/ looks like a map with the ability to select a server with which to test.
When you open the www.speedtest.net page, the service determines your location. Very useful in this service is the choice of the server with which you want to test, because the fewer intermediate nodes between your computer and the server, the more accurate the measurement results will be.
Before testing begins, a ping test takes place - the server's response time to your request to it.
Immediately, after measuring the ping, the download speed is measured - Download.
After measuring your upload speed, the service will automatically start measuring upload speed - Upload, the speed at which you can upload and transfer files to the Internet.
Outgoing speed testing - Upload.
After performing all the tests - ping, incoming and outgoing speed, the results will appear on the screen with a suggestion to repeat the test ( TEST AGAIN), or select another server ( NEW SERVER) to check the Internet settings.
Test result.
Next, using the service Speedtes.Net, we have chosen another, the most remote server in Kyiv, the data to which will pass through several Data Centers, by this we will show the influence of intermediate nodes on the accuracy of testing measurement.
Selecting a remote server located in Kyiv.
Speed testing with a server located in Kyiv.
Here it is worth paying attention to the increase in ping to 13 ms, which indicates data delays on intermediate servers and routers located between us and Kyiv.
Result for Speedtest.net by Ookla - 95/95 Mbps with our bandwidth of 100 Mbps, this is the most accurate result.
If you need to do testing with our server located in Torez, go here.
Bandwidthplace.com - speed test for all devices
bandwidthplace.com- just like Speedtest.Net uses flash technology to measure network speed. Everything is more modest here, the choice of servers (button Select Server) for testing is small, only about 15, the location of which says that the service is focused on America and Japan. The closest to us was Frankfurt (Germany).
The result of the check, to put it mildly - no. With our actual channel width of 100 Mbps, the Bandwidthplace.com service showed only 11 Mbps - 10 times lower than our real speed. Moreover, we did not manage to check our outgoing speed using this service.
Bandwidthplace.com speed test.
The remoteness of the server and a large number of intermediate nodes to it are to blame. We counted 8 pieces. 
Route trace to the server - Bandwidthplace.com.
Result for Bandwidthplace.com - 11/-- Mbps with our bandwidth of 100 Mbps - this service is not suitable for our region.
2ip.Ru - Portal of network services
2ip.Ru- probably one of the first Russian-language services for the Internet. Among them is the speed check service.Before checking, the service offers to enter your speed according to the tariff plan, for further evaluation - declared / actual.
The lack of choice of the nearest server affected the results.
The result of the Internet connection speed is 2ip.Ru.
Despite the fact that the 2ip.ru service is aimed at Russian-speaking network users, it is located in Germany, so the service is more suitable for the western regions of the CIS countries (Kaliningrad, St. Petersburg ...). In view of the fact that there are a large number of nodes between us and the 2ip.ru service, it is not suitable for accurate measurements.
Result for 2ip.Ru - 27/7 Mbps
Pr-Cy.Ru - Analysis and verification of network resources
Pr-Cy.Ru- another popular Russian-language service that specializes in website analysis, the speed check service on it is a nice addition to other services.The speed test page has a map that allows you to select your preferred server with the fewest nodes on the way to it for the most accurate result.
Speed test page - Pr-Cy.Ru.
After pressing the button "Start Internet Speed Test", first the server response time (ping) is measured, after which the incoming and then outgoing Internet speed will be automatically checked.
Internet speed testing on Pr-Cy.Ru website.
Internet speed test result.
The test result was disappointing, the deviations were more than 20%. Most likely, the owners of the Pr-Cy.Ru resource do not prioritize the accuracy of measuring Internet speed and pay more attention to the accuracy of their other services.
Result for Pr-Cy.Ru - 80/20 Mbps, in our opinion, a dubious service for our region.
On this, we believe, enough comparative tests. Our goal was to show that speed check services are nothing more than entertainment, you should not take them more or less seriously. We did not specifically consider other services, such as.
Learning how to measure the speed of an Internet connection correctly. With the help of what resources you can correctly check the Internet, what parameters you need to look at and how to determine whether a good result is in front of you.
I will definitely tell you about Megabit and Megabyte, they are often confused, and I will also tell you what ping (Ping) is and why it is often kicked out of online games because of it. In general, I will show in detail how to find out the speed of the Internet on a computer.
Introduction
Hello everyone, today I decided to write an article that will allow you to qualitatively analyze the speed of an Internet connection. You can find a lot of materials from different sources, which in one way or another show where you need to go and what numbers to look at. But now you repeated all this on your computer, you saw numbers, large or small with different units of measurement.
Sit, look at them, sometimes you even rejoice, but what do these data mean? It was displayed to you, for example: Input - 10 Mbps, Outcome - 5 Mbps, Ping - 14 and what's next, it's good for you or if you don't look at it, then you say, they say these numbers are nothing to you do not speak? And in most cases, everything is exactly like that, we see the result, but we can’t analyze it, because we don’t know what each direction means.
funny conversation with a friend
In general, I decided to write an article on this topic, just yesterday. I talked with a friend, and it so happened that we started talking about the Internet. He asks me - Vanek, what is your Internet speed? Well, I said, I pay 300 rubles for 8 MB / s. Without hesitation, a friend answered, well, bullshit you have the Internet, I have 30 Mbps for only 250 rubles. The whole thing was also said with such a clever look, I could not restrain myself, I laughed when I walked away, I immediately thought - that's the topic for a new article.
Understanding users have already figured out what the catch is, and for those who haven’t caught it, we carefully read the article and absorb useful knowledge. Probably another 15 minutes I had to explain to a friend that he was a little mistaken with the choice of the Internet and the money he pays can be spent more wisely armed with good Internet. I won't ramble too much, let's move on.
How is internet speed measured?
In order to understand and correctly analyze the speed of Internet connections, you need to be well versed in the units of measurement with which you will actually measure your Internet in the future.
This is very important, it is necessary, well, it is necessary, it is necessary, otherwise there is simply no way. After all, when you come to the store, you tell the seller how many kg of apples you need to sell, or you yourself calculate how many kilograms of potatoes you need to buy to last at least a week for the whole family, you even tritely consider how many grams of sweets to buy so that you have enough money to pay off. Now closer to the point.
When you start wondering about the internet, you will come across two units of measurement - those will be Megabits and Megabytes. We go in order.
The prefix MEGA is the prefix millionaire, you don’t need to pay special attention to them, it’s just an abbreviation, replacing the number 10 to the 6th power. Once again, we do not look at the prefix, we follow everything that is written further, namely, we look at BITS and BYTES. (megaBIT, mega BYTE)
A bit is the smallest unit of measure used in calculations in the "computer world", think of a bit as one unit - 1
A byte is naturally also a unit of measure, but it contains 8 bits, which means that a byte is eight times larger than a bit.
Once again, BYTE is 8 bits.
Examples. When testing Internet speed, you may be shown:
30 Mbps or 3.75 Mbps, where you have to understand that these are two identical numbers. That is, when you have taken measurements and you have shown the result in megabits, you feel free to divide it by 8 and get the real result. In our example, 30 Mbps/8= 3.75 Mb
Have not forgotten about my conversation with a friend, now you can go back and see why I did not agree with my friend, what was his mistake? Look, count, it will be useful for fixing.
In addition to units of measurement for a competent analysis of the Internet connection, you need to know that there are two types of connection. Incoming and outgoing.
It's not difficult at all, but you have to read it once just to know. Incoming information is everything that you download to your computer, watch online, listen to music, in general, everything that you browse on the Internet will be called incoming traffic.
But when your computer transmits information, let's say you play an online game and small packets of information that control actions in the game leave your computer without fail, or for example you upload a photo to a social network, all this will be considered outgoing traffic.
Remember:
Everything we take on the Internet is incoming traffic.
Everything we send to the Internet is outgoing traffic.
Now a little tip, when analyzing, you can ignore outgoing traffic. Why? Because with a good performance of the incoming Internet connection, the outgoing one will automatically be good. They go in a complex, but you need to remember that the speed of incoming information is always higher, sometimes even twice, but this is not scary.
When measuring the speed of the Internet, you will see such pictures and this is normal:
I think we have figured out the numbers more or less and now you can easily analyze the speed of the Internet connection as accurately as possible. Although it is probably worth making a small digression to suggest what speed will be enough and for what purpose.
What kind of Internet do I need for stable work?
Here is a table that will serve as a hint to this question, and if you do not understand, then write in the comments to this article, as soon as I see it, I will immediately write the answer.
| Task | Internet connection speed | Classification |
|---|---|---|
| Viewing text and graphic information | 10 Mbps or 1 Mbps | Slow Internet |
| Watch online movies, listen to music, play, chat on Skype | From 20 Mbps to 40 Mbps | Good multitasking. |
| Browsing the Internet, downloading large amounts of information, high-quality video and other high loads | From 80 Mbps and above | Universal for all occasions |
I often hear the question, but with such an Internet, how long can I download a movie? To be honest, such questions annoy me a little, if you know how to count, then why not do it, adults and the elderly of the past generation can be forgiven, but now young people should be educated and instantly give out information of interest, so I won’t even write about this, but just in case, I will show the principle of calculation in the video, so after reading the text, do not be lazy to take a couple of minutes to watch the video.
And besides this, you should always remember that a virus can get on your computer and the speed will be reduced several times,
Where can I test the speed of the Internet?
As I said at the beginning, there are a lot of different resources that provide an opportunity, so to speak, to weigh, measure your Internet. But as practice shows, only some of them work stably and can give correct information, and not fantasize ...
yandex.ru/internet- for me, this is the best resource for measuring the Internet.
speedtest.net/en/- a mega popular site for determining speed, but it only works fine for me after the second scan. After the first time, it shows not real numbers, so I immediately run it a second time and get a normal, real result.
www.ip.ru/speed/- the site can do a lot of useful things, I like it, but unfortunately it often deceives with Internet measurements, but it gives some useful information, who is served, which provider and where the service platform is located.
By the way, I took examples of pictures from these sites, in the video I will show each site separately, and you yourself will choose which one you like best. When you analyze the results, you may notice another interesting parameter - Ping (ping)
What is Internet Ping?
This parameter can often be heard, especially among those who like to play online games. These type of people, to be honest, are a little obsessed with pings during the game.
I even had a case 7-8 years ago when I myself enter the game, as I remember now - it was Counter-Strike. Well, I went in, I play, here I hear a lot of fuss, screams and discontent, and in every sentence they shout at him a high ping, let's kick him out. And in fact, they kicked me out of the room by a general vote, of course I was not very pleased, but there was nothing to do.
On that day, I spent several hours learning the cursed word for me at that time, ping.
But in fact, the essence of its work is very simple, I will not load your heads, but I will only say that this is also a unit of measurement that shows the speed of data transfer from your computer to the server.
Now, quite simply, you entered the game, at the moment when you perform some action for you, the character simply makes a movement. And on the technical side, in order to even just move your character from its place, the computer must send a command (package of files) to the server, and the time that these files will fly to the server, be processed there and return back will be called ping.
In fact, it turns out Ping is the speed of data exchange between the computer and the server.
What determines the ping, how can it be lowered?
Everything is quite simple here, the first and main reason is the physical distance between your computer and the game server. For example, you play in Moscow, and the server is in China, it turns out a very long distance and therefore it takes more time to transfer data packets. And at this moment we are cursing, they say the game lags.
Naturally, the speed of your Internet will affect the ping, the faster the connection, the lower the ping will be. Next, you need to understand that ping can increase if the transmission line is overloaded, that is, your provider serves not just one of your apartments, but a whole house or street, and if everyone decides to surf the Internet at the same time, then you get a little chaos.
Rational use of traffic is when you are sitting at home on the Internet via Wi-Fi, playing, and your parents are watching TV shows through the same Wi-Fi at the same time, your younger sister is sitting on a tablet in the next room and playing her games. The more people using the access point at the same time, the lower the Internet speed becomes and the ping grows accordingly.
There are three ways to lower ping:
- Change provider or tariff plan to a more powerful one
- Make some changes to the registry of the operating system (improvement is not significant)
- Loading of specialized software. (we throw this method out of our heads right away and use the first two)
Have you figured out what's what? I think that all of you understood a long time ago, so I will round off. Below you can find a video to consolidate the material you read, do not be lazy, you need to watch it.
Watch the video: How to find out the speed of the Internet on your computer?
Well, what have you read? Then we go down below and write our comment on this article, otherwise how will I know if you read it at all or not? See you soon, bye friends.
Your Internet connection may become slower for several reasons, including artificially limiting the bandwidth of your ISP's network against the terms of your data plan.
Speed testing services can help determine if your ISP is at fault for a slow connection, but only if the user understands how they work.
When watching a popular series, the main characters began to stutter? Does uploading a new YouTube video take forever? Have you begun to think about purchasing a more expensive tariff plan for connecting to the network?
Recent studies show that some ISPs provide slower connection speeds than they initially advertise. According to the popular IT blog WSJ Digits, 41 percent of ISPs do not meet their obligations to maintain the contract speed of the Internet connection.
Luckily, there are many free online broadband speed testers out there. On the other hand, the results of different tests on the same machine can vary significantly. Here are the 2 most important tips to keep in mind when you run any connection performance test:
- Never rely on single measurements from a single speed test (see explanation below).
- Local wireless networks can have a large number of potential "holes" that will affect upload and download speeds. Therefore, it is recommended to run tests on computers that are directly connected to the network infrastructure using an Ethernet cable.
What Network Performance Tests Measure
Almost all Internet speed tests measure three parameters: download speed from the network, upload speed to a remote server, and latency. The tests themselves are extremely simple: upload and download speeds are calculated by measuring the time required to transfer one file or several files of various sizes between your computer and an Internet server.
The network latency test (also known as “ping”) measures the time it takes for one packet of data to reach a remote server and then return to the computer. Latency is a critical parameter for using time sensitive applications such as online trading clients or interactive online games.
In most cases, you will notice that the upload speed to the server is several times lower than the download speed. This situation occurs because Internet service providers have long chosen work protocols in which downloads take precedence over downloads.
This mode of operation was especially relevant in the early years of using the Internet: then users uploaded many times less content than they downloaded. Now this trend is formally preserved, but to a lesser extent. Now we download gigabytes of streaming music and movies, but at the same time we use video calls, IP-telephony and backup files to cloud servers.
In the future, ISPs may reconsider their download and upload bandwidth allocation. However, currently, downloading data to a computer is much faster than uploading data from a computer to a server.
Comcast ISP Verification with 8 Speed Test Services
Using Internet connection speed tests is very simple. For example, on the Bandwidth Place website, the user is prompted to simply press the large start button. Many services also offer to choose a web server used for testing.
Figure 1. Like many other similar services, Bandwidth Place offers to find out connection parameters in one click
It is also worth remembering that for some reason, the results of measuring the connection speed by various services can seriously differ. Here are the results of 8 popular connection speed tests.
The author of the article, Patrick Marshall, lives in Seattle, where there is not much choice of Internet service providers. The Comcast subscription you're using assumes a 50 megabits per second download speed and a 5 megabits per second upload speed. The numbers in the table below reflect the results of network measurements at noon. Many tests give completely different measurement results at different times of the day.
In all but two of the tests, Comcast confirmed the speed promised by the contract, although the differences between the tests were significant. General results:
Results table
| Service | Incoming (Mbps) |
Outgoing (Mbps) |
Ping (ms) |
|---|---|---|---|
| Bandwidth Place | 53.0 | 6.11 | 18 |
| CNET Internet Speed Test | 48.85 | (n/a) | (n/a) |
| XFINITY Speed Test | 59.3 | 6.1 | 8 |
| DSL Reports Speedtest | 49.6 | 5.9 | 66 |
| Geek Squad | 16.8 | 5.96 | 106 |
| Okla Speedtest | 59.4 | 6.15 | 8 |
| SpeedOf.Me Lite | 65.0 | 6.7 | 11 |
| Visualware MySpeed | 56.1 | 5.95 | 26 |
Summing up, it should be noted that the download speed varied from 16.8 Mbps to 65 Mbps, the final difference exceeded 48 Mbps, which is equivalent to 75 percent. The latency ranged from 8 milliseconds to 106 milliseconds, in this test the fluctuation of the results turned out to be even greater. Even if we discard the results of measurements by the Geek Squad service, the download speed had a spread of 25 percent.
Is one test more accurate than the other?
For many reasons, it is impossible to accurately measure the speed of an Internet connection or even say that any service is more accurate than the competition.
First, the Internet is not a homogeneous structure, it is a huge combination of different routers, servers, cables, etc. Typically, each browser connection to a web server uses different network routers and goes through different Internet traffic control devices - each of which affects the speed of the connection.
Moreover, Internet users may use different browsers or FTP applications at different times. Some browsers may have integrated accelerators that use HTTP multithreading, and some do not. Thus, there is no persistence of multiple factors for Internet connections.
The speed tests themselves are also not consistent. These services use three types of tests - download speed, upload speed and latency, but the tests themselves can be very different. Some services use a single file to measure speeds, while their competitors may use sets of files of different sizes. Even the format of the test can affect the final results, depending on the protocols used, the packet sizes and the amount of overhead contained in them.
Some services transfer files in a single stream, others use multi-threaded transfer. In most cases, it is not known whether a test using a single transmission stream will be more accurate than a multi-stream service.
While some tests always use the same server for measurements, others may look for the fastest server or allow the user to select a specific server.
Connection performance can vary significantly depending on the location of the servers used in testing. As a rule, the farther the server is physically from your location, the lower the network speed indicators - especially the latency. Some tests, such as SpeedOf.me, pass data through several servers located in different locations during measurements.
Figure 2. Graphical representation of measurement results in the SpeedOf.me service
Latency can also affect network throughput because much of the Internet traffic is tied to the "congestion window" of the TCP protocol. Essentially, the system waits for confirmation that packets have been received before sending further data. The longer the delay time, the slower the transmission.
The time of day can also seriously affect the value of the connection speed. During business hours on corporate machines, a serious drawdown of speeds can be observed, because. multiple users use the same Internet connection. Home users will notice a slowdown during the evening hours when you and your neighbors upload YouTube videos or stream movies.
You should also keep in mind that test results may vary depending on the number of other users using the ISP's local node at the same time. For end users, any device connected to the network in a single apartment building can slow down the speed, for corporate users, their colleagues using the same network connection can provoke distortion in the results. If you notice a strong drop in speed after 15:00, students are likely to have returned from class and switched to Internet services.
Most internet speed testing services download a small application. Some resources use Java, others use Flash. The newest services use HTML5 technology, which does not require applets to be installed on your computer. In theory, tests based on HTML 5 should be more accurate due to the lack of passing overhead to the local application. Ookla says its Flash test compensates for the protocol overhead and application buffering before publishing the final results.
Figure 3. Ookla has a relatively simple interface for displaying speeds and latency
Conclusion: No matter what assumptions an Internet network speed test service makes, it cannot create a test that will reflect the real state of affairs. At the moment, there is no practical way to take into account the configuration of a particular computer and the use of the Internet - especially when Internet connections differ depending on location, session and web resource.
What to do if the connection speed is lower than expected?
Given the limitations of network speed tests, how do you determine if the performance is in line with the billing plan?
Tests can give a rough estimate of actual internet connection speeds when run several times at different times of the day and on different days of the week. If possible, run the test on different computers to get any consistent results. Running the tests multiple times will minimize local PC distortion and network problems.
Let's say again that to conduct tests, you need to use a direct connection from the computer to the network infrastructure using an Ethernet cable. Various types of wireless connections can seriously reduce the actual speeds.
Run tests of various services and discard the highest and lowest results. If most of the tests show lower performance than stated by the provider, it's time to contact technical support.
Which service more accurately measures the speed of the Internet?Found a typo? Press Ctrl+Enter
The speed test is the best way to check the speed and quality of your internet connection. Have you noticed that your files are loading at a slower speed? Do you feel that the sites you visit are loading too slowly? Check your Internet connection settings. With our tester you can now measure:
- latency testing (ping, latency) – the average time of sending data packets to different servers at the same time is checked. Most testers only measure the time to send small data packets (less than 500 bytes), but in fact, browsers and web applications usually transfer and download large data packets, so our tester also checks the time to send large data packets (about 2-5 kilobytes). Result: the lower the ping, the better, i.e. makes it easier to use the Internet. This parameter is especially important in online games.
- download testing - testing the download speed, which is measured as the total amount of downloaded data for a certain period of time (about 10 seconds) and expressed in units of Mbps Testing is carried out for different places at the same time, since using only one server is not reflects the actual throughput of the connection. the site tries to show measurements that are speed measurements outside of border routers. Download speed is an important parameter that determines the quality when watching movies on the Internet and the speed of downloading files.
- Upload testing - the speed of sending data is checked, just like in the case of upload testing, the parameter is important, for example, when sending data to the server and mail messages with especially large attachments, such as photos.
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Checking the Internet connection for stability is not at all difficult. It only takes one team and time, the more the better.
I ask you not to confuse the speed of receiving and transmitting data with the stable operation of the connection. These are different concepts. Speed in a completely different way. For this purpose, there are specialized online resources.
All users know that a fast and stable Internet connection is essential for comfortable viewing of dynamic content, downloading large files, and playing online games. Especially for games!
To download large files, if there is a possibility of a possible connection failure, it is recommended to use downloaders with the ability to reload. But during the game, if there is a break, you either fly out of the mission or wait for the Internet connection to be restored with a “frozen” picture, while the team members continue to play.
A simple speed test won't tell you anything in this case. It will only take a snapshot of your feed at the moment.
To control stable operation, it is necessary to "ping" the network for an extended period of time. In the event of a poor final result, this will be a serious reason for analysis.
The good news is that you don't need third party monitoring software. The Command line and the correct command will suffice.
So, if you suspect that your Internet channel is not stable, I recommend doing the following test. Let's start?!
CHECK INTERNET CONNECTION
Open a Command Prompt (you can do it without administrative rights), give the following command:
Ping -t 8.8.8.8
and press the Enter key.
This command will send requests to Google (8.8.8.8). You can use the address of another server, such as the one you want to connect to. Google DNS is provided as an example. You will get a new response every second, so let the team work for as much time as possible.
You will see serious errors immediately. But others will need to be analyzed. If you decide to stop the statistics collection process, press the Ctrl + C key combination on your keyboard. The final report will be displayed below.
You need to check how many packets were lost. Ideally, there should be none. Then, how big is the difference between the minimum time of reception and transmission and the maximum. A huge time difference and a large number of lost packets - this clearly indicates problems.
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