[CentOS] Speedtest.mini on a local website?

I wonder if anyone has got speedtest.mini 
from <http://speedtest.net/mini.php> 
working under CentOS-6?

(It's a version of speedtest that one can run
on a local web-server.)

It used to work for me, but hasn't for a long time
(maybe several years ...)

Any suggestions or elucidation gratefully received.


-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College Dublin