TLS Evolution in 2024: The Rise of Secure Servers and the Fall of SSL Dinosaurs
As 2024 wraps up, the web’s security dance has shifted. Support for TLS 1.3 on web servers leaped from 25% to over 30%, while trusty TLS 1.2 also boogied up to nearly 44%. Meanwhile, SSL 2.0 and 3.0 are still hanging around like that one party guest who won’t leave.

Hot Take:
SSL and TLS: the cryptographic protocols that refuse to retire, like that one colleague who just won’t take a hint. While 2024 has shown some progress, it’s clear that some versions are sticking around longer than the last piece of fruitcake at the office holiday party!
Key Points:
- TLS 1.3 support on web servers increased from 25% to over 30% during 2024.
- TLS 1.2 saw a rise as well, moving from 38% to nearly 44%.
- Support for outdated TLS 1.1 and TLS 1.0 remains stagnant at around 22%.
- SSLv3 support is stubbornly stuck at ~1.43%, while SSLv2 slightly decreased from ~0.3% to ~0.25%.
- About 30% of SMTP servers now support TLS 1.3, aligning with TLS 1.0 and TLS 1.1 support levels.
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