The problem has been partly solved.
Courses and only appear 🙂
but indicates 420 more results. No more than 420 courses “Vigilante” for example. Why throws many results of other courses?
I also like that instead of 6 results show that there is aesthetic, appear 4 or 8. I can not find the option!
And finally, what settings should I use mara minimize the maximum load and speed mejjorar web.