Letsencrypt Letsencrypt Client Statistics

eva2000 · Aug 5, 2016

Letsencrypt folks shared some Letsencrypt client stats on their support forums 3 million issued certs and almost 2 million unexpired certificates - Praise - Let's Encrypt Community Support. FYI, Centmin Mod's acmetool.sh underlying client is acme.sh which is at 1.6% and Centmin Mod's Letsencrypt integration will also pass on a custom client name so in future will show up in such client stats too I hope

Hi @kelunik! Here are some updated graphs. These are for the past 60 days, which is a pretty good approximation to a count of "actively renewed certificate lineages".

In the count of raw certificates, we're starting to see pretty large market shares for the clients used in Let's Encrypt integrations that have been deployed by very large hosting providers. For instance, OVH rolled their own client using libwww-perl, and that software is now the second largest requester of Let's Encrypt certs; the Faraday requests are mostly being made by Shopify. Caveat: these numbers are also a little biased. Wordpress, for instance, issues many names per cert, so their client looks much smaller than it really is:

Counting by number of source IPs rather than number of issued certificates, the data looks quite different. This shows that Certbot is comparatively much more popular amongst folks who are just setting up one or a small number of certs on their servers. We also see that Synology NAS devices are a considerable fraction of the servers deploying LE certs.

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