This problem appears for a few days , but i didn't modify nothing in site. Which may be the cause ?
Solved! Go to Solution.
My suggestion is to audit which contest is being loaded (you can use your browser console) and also run a profiler (Aoe_Profiler is a great option).
Hi , After I disable an old and unused extension , my site works properly.
I don't understand why or if this exension cause the problem but now is ok.
Thank you , anyway