diff --git a/README.md b/README.md
index 15bc4089..73ff3321 100644
--- a/README.md
+++ b/README.md
@@ -51,14 +51,12 @@ Twitter: [@neilpangxa](https://twitter.com/neilpangxa)
 - [ruby-china.org](https://ruby-china.org/topics/31983)
 - [Proxmox](https://pve.proxmox.com/wiki/Certificate_Management)
 - [pfsense](https://github.com/pfsense/FreeBSD-ports/pull/89)
-- [webfaction](https://community.webfaction.com/questions/19988/using-letsencrypt)
 - [Loadbalancer.org](https://www.loadbalancer.org/blog/loadbalancer-org-with-lets-encrypt-quick-and-dirty)
 - [discourse.org](https://meta.discourse.org/t/setting-up-lets-encrypt/40709)
 - [Centminmod](https://centminmod.com/letsencrypt-acmetool-https.html)
 - [splynx](https://forum.splynx.com/t/free-ssl-cert-for-splynx-lets-encrypt/297)
-- [archlinux](https://www.archlinux.org/packages/community/any/acme.sh)
 - [opnsense.org](https://github.com/opnsense/plugins/tree/master/security/acme-client/src/opnsense/scripts/OPNsense/AcmeClient)
-- [CentOS Web Panel](http://centos-webpanel.com/)
+- [CentOS Web Panel](https://control-webpanel.com)
 - [lnmp.org](https://lnmp.org/)
 - [more...](https://github.com/acmesh-official/acme.sh/wiki/Blogs-and-tutorials)