Looking for logging into the Optifine Failed Error Connecting To Mojang Authentication Server 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 Optifine Failed Error Connecting To Mojang Authentication Server site. After that you can login as usual with your login credentials.
https://forum.hivemc.com/threads/cant-log-in-to-optifine.135571/page-2
https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/mods-discussion/2338243-optifine-error-login-failed-error-connecting-to
https://hypixel.net/threads/optifine-cape-need-help.256169/
http://itsjerryandharry.com/threads/optifine-cape-error.51110/
https://github.com/sp614x/optifine/issues/579
https://invadedlands.net/threads/optifine-cape-gone.19954/
https://help.mojang.com/customer/portal/articles/search?q=cannot+login
https://bukkit.org/threads/error-help-authentication-servers-are-down-please-try-again-later.285196/
https://support.feed-the-beast.com/t/failed-to-use-mojangs-authentication-library/207
https://www.reddit.com/r/Minecraft/comments/7o0d8u/optifine_compromising_minecraft_accounts/
https://www.reddit.com/r/Minecraft/comments/4td2v0/i_believe_that_optifines_website_has_a_leak/
http://www.jeuxvideo.com/forums/42-24777-38249826-1-0-1-0-impossible-de-se-connecter-a-optifine-net.htm
https://www.puptection.com/voeiq24g/noweeibur.php?bowiruu=Minecraft-Error-Failed-to-Login