Large wordpress website Performance advise needed

Hi,
Can somebody please lend some advise regarding hosting and speed
I have a large wordpress website with around 100,000 pages
Disk space on server: 5GB
Mysql space: 300Mb
My host said a large number of posts will slow down the site which is understandable. I currently use shared hosting and it's slow as a turtle. Some folks suggested I get a dedicated server but it's off my budget to be honest.
I've optimized the site with Cache and compression + plus other optimizations quite a bit.
I…
Large wordpress website Performance advise needed

See original post by osakakokujin