speedtest speedtest slow while iperf result show faster

Speedtest hosted with apache2 is showing slower speed than my iperf result, It is directly browse to the server.

HTTP only
apache2, PHP 7.4.33, OpenSSL 1.1.1n
Server hosted in LXC proxmox VM
Debian 11
Mozilla firefox 109.0.1, Chrome108
Librespeed without extra configuration

#Result:

Any advise?

Feb 15 '23 01:02 niaosuan

Anything in the apache error log?

Feb 15 '23 05:02 adolfintel

Anything in the apache error log?

No error all status 200. Here is my apache setting

<VirtualHost *:80> ServerName speedtest.test.com DocumentRoot /var/www/html/speedtest

    <Directory /var/www/html/speedtest>
       Options +FollowSymLinks
       AllowOverride All
       Require all granted
    </Directory>
ErrorLog /var/log/apache2/speedtest_error.log
CustomLog /var/log/apache2/speedtest_access.log combined

php_value post_max_size 20M

Feb 16 '23 01:02 niaosuan

Getting similar results, I am using docker container.

REPOSITORY             TAG       IMAGE ID       CREATED         SIZE
adolfintel/speedtest   latest    a6292eb82e9d   12 months ago   478MB

Mar 30 '23 15:03 sliddjur

Is the test carried out by HTTPS address or by HTTP ?

Apr 15 '23 12:04 meatlayer

Is the test carried out by HTTPS address or by HTTP ? @meatlayer I test with only http

Apr 17 '23 06:04 sliddjur

Similar issue happens to me while I attempted to run tests from an android tv box and a very old computer (pentium cpu, BIOS dated 2012). I guess the processors of client devices made impacts on the results, they are not capable of browser and javascript jobs…

Dec 04 '23 20:12 rendaa