Looking for logging into the Mac Os Sierra Slow site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Mac Os Sierra Slow site. After that you can login as usual with your login credentials.
https://discussions.apple.com/thread/8091778
https://justaguythinkingblog.blogspot.com/2017/10/solution-and-fix-for-slow-boot-and.html
https://macpaw.com/how-to/speed-up-macos-sierra
https://www.macbookproslow.com/guide-optimizing-slow-startup/
https://techsviewer.com/macos-high-sierra-slow-fixes/
https://www.softwarehow.com/high-sierra-slow/
https://forums.macrumors.com/threads/slow-boot-after-upgrading-to-macos-high-sierra.2104747/
https://www.anysoftwaretools.com/mac-slow-startup-reasons-fixes/
https://blog.macsales.com/42547-high-sierra-slowing-you-down-these-tips-should-help-speed-it-up
http://osxdaily.com/2016/10/04/macos-sierra-slow-fix/
http://www.fireebok.com/resource/five-ways-to-solve-mac-running-slow-after-high-sierra-update.html
https://apple.stackexchange.com/questions/258497/macos-sierra-slow-to-accept-password-at-login
https://apple.stackexchange.com/questions/270248/macos-startup-manager-is-very-slow-and-laggy