| Definition | A protocol for transferring hypertext requests and information on the internet. | A secure version of HTTP, using encryption for secure communication. |
| Port | Default port is 80. | Default port is 443. |
| Security | Not secure; data is sent in plain text. | Secure; uses encryption protocols like SSL/TLS. |
| Encryption | No encryption; data can be intercepted and read by others. | Encrypts data to prevent eavesdropping and tampering. |
| Usage | Suitable for browsing where security is not a priority. | Recommended for all web activities, especially transactions and sensitive data exchange. |
| URL Prefix | URL begins with http:// | URL begins with https:// |
| Data Integrity | Susceptible to tampering and ‘man-in-the-middle’ attacks. | Provides data integrity by encrypting the transmitted data. |
| Certificate | Does not require an SSL/TLS certificate. | Requires an SSL/TLS certificate to authenticate the server. |
| Performance | Slightly faster due to no encryption overhead. | Slightly slower due to encryption and decryption process. |
| SEO Impact | No direct SEO benefit; may be ranked lower by search engines. | Preferred by search engines; positively impacts SEO ranking. |
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