What Is HTTPS?

HTTPS (Hypertext Transfer Protocol Secure) is a secure version of HTTP, the primary protocol used for transferring data between web browsers and websites. 

How HTTPS Works 

Using HTTPS, the browser sends a request, and the server responds. But, unlike HTTP, it uses SSL (Secure Sockets Layer) and TLS (Transport Layer Security) certificates for data encryption. 

These digital credentials authenticate a website’s identity, enabling the establishment of a secure connection.

The HTTPS process can be broken down into several key steps:

1. Initial contact

A user’s browser attempts to establish an HTTPS connection with a website.

2. Certificate transmission

The website’s server responds by sending its SSL/TLS certificate, which contains the site’s public encryption key.

3. Certificate authentication

The browser checks the certificate’s validity and confirms its source from a trusted certificate authority. Upon verification, a padlock appears in the address bar.

4. Secure key exchange

After certificate verification, the browser and server exchange encryption keys to establish a secure connection.

5. Encrypted communication

The browser and server encrypt all subsequent data transfers, protecting them from potential interception.

6. Data processing and display

The server decrypts incoming data using its private key, processes the request, and sends an encrypted response. The browser then decrypts this information and presents the website content to the user.

HTTPS vs. HTTP

Feature	HTTPS	HTTP
Full Name	Hypertext Transfer Protocol Secure	Hypertext Transfer Protocol
Security	Encrypted and secure	Unencrypted and less secure
URL Prefix	https://	http://
Default Port	443	80
Data Transfer	Encrypted (ciphertext)	Plain text
SSL/TLS Certificate	Required	Not required
Authentication	Provides server authentication	No built-in authentication
Data Integrity	Protected from tampering	Vulnerable to tampering
SEO Impact	Positive (favored by search engines)	Negative (may impact rankings)
Performance	Slightly slower due to encryption overhead	Faster, but less secure
Man-in-the-Middle Attacks	Protected	Vulnerable
Trust Indicators	Displays padlock icon in browser	No visual security indicators
Suitable For	All websites, especially those handling sensitive data	Basic, non-sensitive content only

Advantages of Using HTTPS

HTTPS offers several significant advantages over standard HTTP:

Enhanced Security

Three security features shield your data:

• Data Encryption

HTTPS encrypts all communication between web browsers and servers, protecting sensitive information like passwords, credit card numbers, and personal details from interception.

• Authentication

The secure connection verifies website identity, preventing man-in-the-middle attacks and phishing attempts.

• Data Integrity

HTTPS ensures data integrity by preventing tampering during transmission.

Improved User Trust and Experience

Users prefer secure websites:

• Visual Security Indicators

The padlock icon in the address bar signals a secure connection, instilling confidence in users.

• Increased User Confidence

When customers know their data is protected, they feel safer interacting with and making transactions on the website.

• Potential for Higher Conversion Rates

Enhanced trust can lead to improved user engagement and potentially higher conversion rates for e-commerce sites.

SEO Benefits

Secure sites rank higher:

• Search Engine Ranking

Google and other search engines favor HTTPS websites, potentially improving search rankings.

• Referrer Data Preservation

HTTPS to HTTPS connections preserve referrer data, which is valuable for analytics.

Technical Advantages

New web tools need HTTPS:

• Enables Advanced Web Features

Many modern web technologies and APIs require HTTPS for security reasons.

• Performance Improvements

In some cases, HTTPS can increase data transfer speeds by reducing the size of the data.

Regulatory Compliance

Meeting legal requirements protects your business:

• Data Protection Regulations

HTTPS helps websites comply with various data protection regulations by securing user data.

Is HTTPS Completely Secure?

HTTPS makes web browsing much safer than older HTTP standards, though some security gaps still exist.

When you see a padlock in your address bar, it means Transport Layer Security (TLS) has created a secure connection between your browser and the website’s server. Transport Layer Security scrambles your data through matched digital keys—a public one linked to the site’s SSL certificate and a private one stored on the server.

Your data stays private during its journey across the internet. Anyone spying on the connection sees only jumbled code. SSL certificates prove you connect to the real website, not a fake copy.

These certificates come from trusted security organizations called Certificate Authorities. HTTPS watches over your data from start to finish. If someone tampers with information mid-transit, HTTPS spots those changes right away.

Identifying HTTPS Websites

Looking for secure websites means watching for a few tell-tale signs in your browser:

1. URL Prefix

Check the address bar of your browser. A secure website will begin with https:// instead of http://. That ‘s’ shows Transport Layer Security protection is active.

2. Padlock Icon

Your browser shows a small padlock appearing in your address bar. Click it to see who issued the security certificate and check if it’s still good.

3. Browser Messages

New browsers warn you about unsafe sites. Pay attention when your browser flags a website—these warnings mean you shouldn’t type passwords or personal details there.

4. Certificate Details

The padlock holds important details about the site’s security certificate. Check who issued it and whether it’s current. Red locks or warning messages point to outdated or questionable certificates.

Implementing HTTPS on Websites

Setting up HTTPS with Transport Layer Security protects user data and builds trust with visitors. 

A solid setup demands attention to detail across several areas.

7 Steps for Implementing HTTPS on New Websites

The setup process follows these basic steps:

1. Choose a hosting provider that supports HTTPS and offers SSL certificate options.
2. Purchase an SSL certificate through providers or get one free via Let’s Encrypt
3. Ensure the certificate has a strong encryption level (2048-bit key is recommended)
4. Install the certificate on your web server
5. Update server settings to route traffic through HTTPS
6. Change internal links to use secure addresses
7. Run tests to verify secure loading

How to Migrate Existing Sites to HTTPS

Moving an existing site demands careful planning and execution:

1. Create a full backup of your website
2. Install the SSL certificate on your server
3. Switch all URLs from HTTP to HTTPS versions
4. Update every content source to load securely
5. Add your HTTPS site to Google Search Console
6. Submit new sitemaps with secure URLs

Common Pitfalls and Challenges

Watch for these frequent issues during migration:

1. Browser warnings from mixing secure and unsecure content
2. Temporary drops in search rankings
3. Broken third-party features lacking HTTPS support
4. Social share counters resetting to zero
5. Performance slowdowns without proper optimization
6. Certificate renewal lapses causing security alerts

Maximize Network Security with Check Point’s SASE

Check Point’s SASE merges speed with security, delivering twice the protection and speed of standard solutions. 

It features zero-trust access, secure SD-WAN, and streamlined management, all through one dashboard. Setting up takes under an hour, letting organizations secure connections without long downtimes.

Ready to boost your network security?

Schedule a demo with our team and see Check Point’s SASE in action.