Why does Zhihu use an insecure SSL certificate?

Some people use insecure SSL certificates probably because of cost. Self-signed SSL certificates are free and very insecure. Therefore, when deploying an SSL certificate for a website, you must look for an authoritative CA organization. SSL certificates issued by Symantec, GeoTrust, Comodo, and RapidSSL are very safe and trusted by major browsers.

Douyin talks about domineering phrases and 8-character domineering phrases from Internet celebrities.

Sad qq lovers talk about your beautiful eyes, don't cry with them.

Process of celebrity signing event

The difference between sweet potato and sweet potato

Doraemon: How did Pang Hu's expression pack catch fire?

How to write the implementation standard of certificate?

What do you think of Uptown Funk?

Yujie's Personality Signature

Life Wisdom, Philosophy and New Design of Personality Signature

Who is the cp of purgatory Xing Shoulang?