Why is the "Slim" version hosted off site?
Are you downloading from https://www.ccleaner.com/ccleaner/builds?
All of our downloads are served via an Akamai CDN (bits.avcdn.net)
The following downloads at not at Akamai CDN:
CCleaner Free - Official sunset release
CCleaner - Portable
and why have the downloads offsite and not at CCleaner?