That can happen if you are using any of the Ookla testers, wihich is most apart from tbb and BT. Look for the logo near the bottom of the page. Many of us have had speeds from it way higher than what you are getting, on ADSL2+!
My broadband basic info/help site - www.robertos.me.uk
My domains,website and mail hosting - Tsohost
. Internet connection -
Plusnet Value Fibre.
"Where talent is a dwarf, self-esteem is a giant."
- Jean-Antoine Petit-Senn.