Useful links

• digitalocean.com: where panopset.com is hosted on an $8/month server.
• letsencrypt.org: where everybody gets the s, in https, for free.
• github.com: where everybody stores their souce code.
• Html Checker
• abuseipdb.com: when I see suspicious activity in my access logs, I go here to check IP addresses for reported abuse.
• Google's Mobile-Friendly Test
• selfcss.org: css editor.
• eBACS: ECRYPT Benchmarking of Cryptographic Systems