Hello :) ,
Please reach out to me if you are having problem of slow WordPress site. I will perform below mentioned task on your WordPress site.
1) Cache Generation
2) Image compression
3) Database optimisation
4) .htaccess optimisation
5) Browser time-out and caching
6) GZip compression*
7) Minify CSS*
10) CDN setup (If available)
I will give you Before and After screenshots of google page-speed, pingdom.
Suggestion / Questions are welcome.
* These items are subject to trial-error. It depends on theme / plugins which are used and if they support it of not.