Download links for firefox and chrome return 404 Page not found

[tridionation]

Download links for firefox and chrome return 404 Page not found

[Eric-Burdo]

April... and the download links still return a 404

[mahlenius]

Tried to download yslow for Chrome but I am also getting a 404 error. Is this tool not supported anymore? thank you

[Flyingfishqiu]

July... The download link still returns 404

[IKurganov]

NOOOOOOOOOOO

[DavidErvin]

And december....

[Ruby89]

Same

[malaxiannv]

and 2020 will coming tomorrow.
recommend another tool: All-In-One PageSpeed Test in chrome web store.

[Usha-Kundapur]

Still the same. Is there any update or fix for it?
It doesn't work for safari either.