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Questions tagged [speedtest]

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0 votes
0 answers
30 views

Result is different between Phoronix test suite and openssl speed

I have the result from phoronix test suite openssl 3.1.0 and openssl 3.1.0 from phoronix folder. The result is different between phoronix and openssl. I don't understand how the value is calculated. ...
Oleg's user avatar
  • 1
2 votes
1 answer
144 views

Slow download speed when not using ExpressVPN; especially for overseas, especially for single-connection. Upload not affected

I have a confusing internet speed issue. My setup I have ostensibly a 100 up / 20 down plan (FTTP on Aus NBN). I also sometimes use ExpressVPN I am also testing across my phone and my desktop for ...
tim654321's user avatar
  • 121
0 votes
0 answers
279 views

Reason for slow download speeds in scp and rsync

I am trying to download some files using scp and rsync from a remote computer. The files are ~20 MB to few GB in size. Trying to download them gives me ~20-30 KBps during the day and ~5 MBps at night (...
Guddu's user avatar
  • 171
0 votes
1 answer
274 views

Wi-Fi speed is substantially less than my router speed

I recently had my speed increased to 250Mbps by my ISP. When I checked it with a number of speed checkers using an Ethernet cable it was indeed correct. However when I tried it on Wi-Fi sitting next ...
Michael Fitzgerald's user avatar
24 votes
4 answers
8k views

Test internet speed over a period of time

I´m having issues with slow internet. I have used speedtest.net at different times of the day and week and the result tells me that I get 10-20% of the bandwidth that I pay for. My ISP tells me that ...
kodeaben's user avatar
  • 353
0 votes
2 answers
3k views

Why does a WD HDD have 12 mb/s random write speed, 24 times as fast as its random read speed?

I used CrystalDiskMark to test an HDD whose model name is WDC WD40NDZW-11A8JS1 4000,7 GB. To my surprise, it's random write speed is whooping 12 mb/s, 24 times as fast as its random read speed. Not ...
zyc's user avatar
  • 103
0 votes
0 answers
476 views

OpenVPN Slows Speeds when underlying raw speed increases

We are running OpenVPN on a router to an AWS cloud server to create a tunnel. AWS has over 1Gbps bandwidth up and down. We are using OpenVPN with no encryption (cipher-none) directly from the router. ...
BostonStack's user avatar
1 vote
0 answers
112 views

How does one test the LAN speed without a server?

When I need to test the intranet speed I typically use iperf3 at both ends (server and client) to check the flow rate between them. However recently when I tried some apps in the Play Store I noticed ...
phuclv's user avatar
  • 28.4k
3 votes
1 answer
14k views

When does it make sense to run Ookla's speedtest with a single connection rather than multi connections

Ookla's speedtest gives the option of running their speed test using a single-threaded or multi-threaded connection. According to this source: Most large downloads [over the web] and streaming ...
Friedrich Bauer's user avatar
2 votes
1 answer
806 views

Why does it matter whether a connection's speed is unstable when choosing between a single- or multi-threaded connection on Ookla's speedtest?

On Ookla's speedtest--on their website or app--users have the option of picking between a single-threaded or multi-threaded connection when doing a speed test. According to this source: Some ...
Friedrich Bauer's user avatar
2 votes
0 answers
140 views

How does Google WiFi device speed test work?

I was recently using the device speed test functionality on Google Wifi (https://support.google.com/wifi/answer/7578264) and it got me wondering how this works. Ping works to arbitrary devices because ...
Ari's user avatar
  • 121
0 votes
1 answer
1k views

Does download speed actually decrease when you download from a far away server, or just delayed?

On speedtest.net, if I test my download speed to my ISP server, I would get my full download speed which is normal. When I test my internet speed to servers that are 1000-2000km away, I would get only ...
user avatar
1 vote
1 answer
328 views

Two PCs, Same Network, Completely Different Internet Speeds

Unsure what has happened over the past month. I've noticed on my gaming PC the speeds I receive are much lower than what they used to be. Specs: Game PC: i9-10900k 2080ti Asus Z490-E Gaming Mobo ...
Jake's user avatar
  • 11
1 vote
2 answers
2k views

Does internet speed mean per device or per modem?

When my ISP says my internet speed is 50mbps, does that mean each device I have in my household can receive up to 50mbps at once, or does that mean the sum total all the devices is up to 50mbps? Also ...
Crazyphysicist's user avatar
1 vote
0 answers
3k views

BT broadband test widely differs from other speed tests

Having to work mostly from home due to the coronavirus pandemic, I need a good stable internet connection for meetings via Microsoft Teams or WebEx. Recently, I found that my internet connection was ...
am304's user avatar
  • 225

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