Internet speed on raspberry pi zero W is too slow. I've measured the speed in same way on my computer with same IP but the result is incredibly different.
Test on raspberry,
pi@raspberrypi:~ $ speedtest-cli
Retrieving speedtest.net configuration...
Testing from Turk Telekom (88.228.xx.xx)...
Retrieving speedtest.net server list...
Selecting best server based on ping...
Hosted by Turk Telekom (Burdur) [46.81 km]: 198.977 ms
Testing download speed..............
Download: 0.53 Mbit/s
Testing upload speed.......................
Upload: 1.03 Mbit/s
Test on my machine,
soner@ubuntu:~$ speedtest-cli
Retrieving speedtest.net configuration...
Retrieving speedtest.net server list...
Testing from Turk Telekom (88.228.xx.xx)...
Selecting best server based on latency...
Hosted by Turk Telekom (Antalya) [96.81 km]: 51.977 ms
Testing download speed........................................
Download: 9.42 Mbit/s
Testing upload speed..................................................
Upload: 4.29 Mbit/s
Here is my DNS,
pi@raspberrypi:~ $ nslookup yandex.ru
Server: 208.67.220.220 <----------- OpenDNS
Address: 208.67.220.220#53
Non-authoritative answer:
Name: yandex.ru
Address: 77.88.55.88
Name: yandex.ru
Address: 5.255.255.50
Name: yandex.ru
Address: 77.88.55.50
Name: yandex.ru
Address: 5.255.255.5
How can the issue be fixed?