# HTTP v/s HTTPS

## **Introduction**

Every time you browse the internet, you leave behind digital footprints—your IP address, browsing activity, and even personal details. If your connection isn’t secure, **hackers can steal this data** without you even realizing it. That’s why choosing between HTTP and HTTPS isn’t just a technical decision—it’s about **protecting your privacy and online security**.

In this article, we’ll understand the difference between HTTP and HTTPS, why HTTPS is now the safer standard, and why it’s essential for both individuals and businesses.

## HTTP

### What Is It?

**HTTP (Hypertext Transfer Protocol)** is the fundamental communication protocol of the World Wide Web. It defines how information is requested and transmitted between a web browser (client) and a web server.

HTTP operates on a **client-server model**, where the browser (client) initiates a request, and the server processes it and sends back a response. Since HTTP is **stateless**, each request is processed independently, meaning the server doesn’t retain past interactions.

In the **OSI model**, HTTP functions as a **Layer 7 (Application Layer) protocol**. It uses **port 80** for standard communication.

### What Is HTTP Request?

An **HTTP request** is a message sent by a client (usually a web browser) to a server, asking for specific resources, such as web pages, images, or data from an API. This request defines what the client wants from the server and how the server should respond.

**Parts of an HTTP Request:**

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1740735246869/f395ee88-9bc0-461b-bc02-3751f44e64b1.png align="center")

1. **Request Line:**
    
    * **Method**: Defines the action the client wants to perform (e.g., GET, POST, PUT, DELETE).
        
    * **URL**: Specifies the resource being requested (e.g., /about in [www.example.com/about](http://www.example.com/about)).
        
    * **HTTP Version**: Indicates the version of HTTP being used (e.g., HTTP/1.1).
        
2. **Headers:**
    
    * Key-value pairs that provide extra details about the request. Common headers include:
        
    * **Host**: Specifies the domain name of the server (e.g., [www.example.com](http://www.example.com)).
        
    * **Content-Type**: Indicates the format of the request body (e.g., application/json).
        
    * **Content-Length**: Specifies the size of the request body in bytes.
        
3. **Body (Optional):**
    
    * Contains the actual data sent with the request, usually in **POST** and **PUT** requests (e.g., form data, JSON payload).
        

**Example of an HTTP Request:**

```plaintext
curl -v http://example.com
GET / HTTP/1.1
Host: example.com
User-Agent: curl/8.6.0
Accept: */*
```

In this example:

* The client sends a **GET** request to retrieve the homepage (/).
    
* The **Host** header specifies [example.com](http://example.com) as the target server.
    
* The **User-Agent** header identifies the client making the request.
    
* The **Accept** header indicates that the client can handle any response format (\*/\*).
    

### What Is HTTP Response?

An **HTTP response** is a message sent by a server back to a client (like a web browser) after receiving an HTTP request. It contains essential information that tells the client whether the request was successful, failed, or needs further action.

**Parts of an HTTP Response:**

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1740735257626/3c4643bc-7e11-4141-b002-5915fefa6932.png align="center")

1. **Status Line:**
    
    * **HTTP Version**: Indicates the version of HTTP used (e.g., HTTP/1.1).
        
    * **Status Code**: A three-digit code representing the outcome of the request. Some common status codes include:
        
        * 200 OK – The request was successful.
            
        * 404 Not Found – The requested resource doesn’t exist.
            
        * 500 Internal Server Error – The server encountered an issue.
            
    * **Status Message**: A human-readable explanation of the status code (optional in HTTP/1.1).
        
2. **Headers:**
    
    * Additional details about the response, similar to HTTP request headers.
        
    * Common headers include:
        
        * **Content-Type**: Specifies the type of content returned (e.g., text/html or application/json).
            
        * **Content-Length**: Indicates the size of the response body.
            
3. **Body (Optional):**
    
    * Contains the actual response content, such as an HTML webpage, a JSON object, an image, or an error message. Some responses, like redirects (302 Found), may not include a body.
        

**Example of an HTTP Response:**

```plaintext
HTTP/2 302
content-type: text/html; charset=UTF-8
location: /p/about-hussein.html
date: Mon, 12 Aug 2024 08:15:39 GMT
expires: Mon, 12 Aug 2024 08:15:39 GMT
cache-control: private, max-age=0
server: GSE

<HTML>
<HEAD>
<TITLE>Moved Temporarily</TITLE>
</HEAD>
</HTML>
```

In this response:

* The **status code 302** indicates a temporary redirect.
    
* The **headers** specify the content type (text/html), server details, and cache settings.
    
* The **body** contains an HTML message telling the client that the resource has moved.
    

### **How Does It Work?**

HTTP follows a simple **request-response** model that allows clients (like web browsers) and servers to communicate over the internet.

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1740735343032/1792cb8d-0e11-474e-bb9d-3967651cffcb.png align="center")

1. **Client Sends a Request:**
    
    * A web browser, mobile app, or other client sends an **HTTP request** to a web server, asking for a specific resource (e.g., a webpage, an image, or data from an API).
        
    * The request includes **headers**, which provide additional details such as the **user-agent (browser type)** and the **host (website domain)**.
        
    * Common request methods include **GET (retrieve data)**, **POST (send data)**, **PUT (update data)**, and **DELETE (remove data)**.
        
2. **Server Processes the Request:**
    
    * The web server receives the request and decides how to handle it.
        
    * If the requested resource exists and the request is valid, the server prepares a response.
        
3. **Server Sends a Response:**
    
    * The server responds with an **HTTP status code** (e.g., 200 OK for success, 404 Not Found for missing resources).
        
    * **Headers** provide metadata about the response, such as content type and length.
        
    * If applicable, the **body** contains the actual content (e.g., HTML, JSON, images, or videos).
        

**Security Concern in HTTP**

One major issue with HTTP is that **data is sent in plain text**, making it **unencrypted and vulnerable** to cyberattacks. Hackers or malicious third parties can intercept HTTP traffic and steal sensitive details like login credentials, payment information, or browsing activity.

This is why **HTTPS (HTTP Secure)** is now widely used—it encrypts communication, ensuring that data remains private and protected from attackers.

### Advantages

1. **Lower CPU and Memory Usage** – Since HTTP does not require multiple connections, it reduces the load on system resources.
    
2. **Supports Request Pipelining** – Multiple HTTP requests can be sent at once, improving efficiency.
    
3. **Reduces Network Congestion** – Fewer TCP connections mean less strain on the network.
    
4. **Lower Latency for Subsequent Requests** – Unlike HTTPS, HTTP does not require a handshake process for every request, leading to faster response times.
    
5. **Error Reporting Without Termination** – The connection remains active even if an issue occurs, allowing for smoother communication.
    

### Disadvantages

1. **Limited to Point-to-Point Connections** – HTTP only works between a single client and server, making it less suitable for modern distributed systems.
    
2. **Not Mobile-Friendly** – It does not optimize well for mobile networks, leading to slower performance.
    
3. **Lack of Push Capability** – HTTP cannot proactively send data to the client unless requested.
    
4. **High Overhead in Data Transmission** – HTTP messages contain a lot of text-based metadata, making them larger than necessary.
    
5. **No Built-in Reliability** – HTTP does not have a built-in retry mechanism to handle lost or failed requests.
    
6. **Persistent Connection Issue** – Even after a client has received all the required data, the connection may remain open, unnecessarily keeping the server engaged.
    

## HTTPS

### What Is It?

**HTTPS (Hypertext Transfer Protocol Secure)** is the **secure version** of HTTP, designed to protect data transferred between a user’s browser and a website. It ensures that all communication is **encrypted** using **Transport Layer Security (TLS)** or **Secure Sockets Layer (SSL)**, making it difficult for hackers to **intercept or manipulate data**.

The main purpose of HTTPS is to provide **confidentiality, integrity, and authenticity**. This means that the information sent between a user and a website remains **private**, cannot be **tampered with**, and comes from a **verified source**.

Websites that require users to **enter sensitive information**, such as **passwords, banking details, or personal data**, must use HTTPS to **protect users from cyber threats** like **man-in-the-middle attacks** and **data breaches**.

### How Does It Work?

HTTPS works similarly to HTTP but with **one major difference**—it **encrypts** the data before it is transmitted, ensuring secure communication between the client (browser) and the web server.

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1740735353090/8dec577c-3415-44e2-b859-2a8e1c3f9dc1.png align="center")

1. **Client Sends a Request**
    
    * A browser or application sends an **HTTP request** (GET, POST, PUT, DELETE) to the server, just like in a regular HTTP interaction.
        
    * The request contains **headers** with details about the client (user-agent, requested resource, etc.).
        
2. **TLS/SSL Handshake Begins**
    
    * Before processing the request, the server and client **initiate a handshake** to establish a **secure connection**.
        
3. **Server Verifies Identity with an SSL/TLS Certificate**
    
    * The server presents its **SSL/TLS certificate**, which includes a **public key** that verifies its authenticity.
        
    * The client (browser) checks if the certificate is **valid and issued by a trusted Certificate Authority (CA)**.
        
4. **Encryption Keys Are Exchanged**
    
    * Both the client and server agree on a **secure encryption algorithm**.
        
    * A **session key** is created, allowing them to encrypt and decrypt data securely.
        
5. **Server Processes the Request & Sends an Encrypted Response**
    
    * Once the connection is secure, the server **processes the request** and sends an **HTTP response**.
        
    * This response **contains encrypted data**, protecting it from hackers and unauthorized third parties.
        

With HTTPS, even if a hacker intercepts the data, they won’t be able to read it because it’s encrypted. This makes HTTPS important for secure logins, online transactions, and protecting sensitive user information.

### How Does TLS/SSL Encrypt HTTP Requests & Responses?

TLS (Transport Layer Security) and its predecessor SSL (Secure Sockets Layer) use **public key cryptography** to **encrypt** HTTP requests and responses, ensuring that data remains private and secure.

**How It Works?**

1. **Public & Private Key Pair**
    
    * Each HTTPS-enabled server has a **public key** and a **private key**.
        
    * The **public key** is shared with clients through an **SSL/TLS certificate**, while the **private key** remains confidential on the server.
        
2. **Establishing Secure Communication (TLS Handshake)**
    
    * When a client (browser) connects to a secure website, it **retrieves the public key** from the server’s SSL/TLS certificate.
        
    * The client and server **use the public and private keys to generate new session keys** that will be used for further encryption.
        
3. **Session Key Encryption**
    
    * Instead of using the public/private key pair for every request, **session keys** are created.
        
    * These **session keys** are **symmetric keys**, meaning both the client and server use the same key for encryption and decryption.
        
    * This allows for **faster and more efficient encryption** of all HTTP requests and responses.
        
4. **Encrypting HTTP Requests & Responses**
    
    * After the handshake, all HTTP data exchanged (requests and responses) is **encrypted with the session key**.
        
    * If a hacker intercepts this communication, they will only see **random strings of characters** rather than readable text.
        

**Why Is This Important?**

Without TLS/SSL encryption, **hackers can easily read sensitive data** like passwords, credit card details, and personal messages. By encrypting HTTP requests and responses, **HTTPS protects users from cyber threats like eavesdropping, data tampering, and man-in-the-middle attacks**.

### SSL/TLS Handshake

The **SSL/TLS handshake** is a process that establishes a **secure connection** between a client (browser) and a server before any data is exchanged. It ensures **confidentiality, integrity, and authentication** in online communication.

**How the SSL/TLS Handshake Works:**

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1740735577788/77c6de4f-ba7b-49e0-925c-7af1d5cdcdee.png align="center")

1. **Client Initiates Connection (“ClientHello”)**
    
    * The client (browser) sends a **“ClientHello”** message to the server.
        
    * This message includes the **supported encryption algorithms** and other parameters.
        
2. **Server Responds (“ServerHello”)**
    
    * The server replies with a **“ServerHello”** message.
        
    * It selects an encryption algorithm and **sends its SSL/TLS certificate**, which contains its **public key**.
        
3. **Client Verifies Certificate**
    
    * The client checks if the SSL/TLS certificate is **valid and issued by a trusted Certificate Authority (CA)**.
        
4. **Key Exchange & Encryption Setup**
    
    * A **symmetric session key** is generated to encrypt communication.
        
    * This key is securely exchanged using **asymmetric encryption (public & private keys)**.
        
5. **Handshake Completion (“Finished” Message)**
    
    * Both client and server send a **“Finished” message**, confirming the handshake is successful.
        
    * From this point, all communication is **encrypted using the agreed session key**.
        

**Why Is the SSL/TLS Handshake Important?**

* **Prevents cyber threats** like man-in-the-middle attacks.
    
* **Encrypts data** to keep sensitive information safe.
    
* **Authenticates the server**, ensuring users connect to the right website.
    

### How Does HTTPS Help Authenticate Web Servers?

**Authentication** makes sure that a website is **legitimate** and not an **imposter** created by attackers. Unlike HTTP, which operates purely on **trust**, HTTPS verifies a web server’s identity using **SSL/TLS certificates** and cryptographic mechanisms.

**How HTTPS Verifies a Server’s Identity:**

1. **SSL/TLS Certificate & Public-Private Key Pair**
    
    * Every HTTPS-enabled website has an **SSL/TLS certificate** issued by a **Certificate Authority (CA)**.
        
    * This certificate contains a **public key**, while the server holds a matching **private key**.
        
    * When a browser connects to a website, it requests the SSL certificate and verifies its authenticity.
        
2. **The Role of the Private Key**
    
    * The **private key** is **never shared** and is known only by the legitimate web server.
        
    * If a server can **decrypt a message** encrypted with the **public key**, it proves it owns the **private key**—confirming its identity.
        
3. **Certificate Authority (CA) Validation**
    
    * The SSL certificate is **digitally signed** by a trusted CA.
        
    * Browsers **verify the CA signature** to ensure the certificate was issued to the correct website.
        

**What Attacks Does HTTPS Prevent?**

* **On-Path Attacks (Man-in-the-Middle Attacks)** – Prevents hackers from intercepting and modifying data.
    
* **DNS Hijacking** – Ensures users connect to the real website instead of a fraudulent one.
    
* **BGP Hijacking** – Blocks attackers from rerouting traffic to malicious servers.
    
* **Domain Spoofing** – Verifies that the website is the legitimate owner of the domain.
    

**Why is HTTPS Authentication Important?**

By proving that a server is **who it claims to be**, HTTPS helps protect users from phishing sites, identity theft, and financial fraud. This is why **browsers flag HTTP websites as “Not Secure”**, urging users to avoid them.

### Advantages

1. **Protects Data During Transmission** – Encrypts data, keeping it safe from hackers.
    
2. **Prevents Cyber Attacks** – Shields your website from **data breaches, phishing, and man-in-the-middle (MITM) attacks**.
    
3. **Builds Trust** – Visitors feel more secure knowing their information is protected.
    
4. **Removes “Not Secure” Warnings** – Browsers show a **padlock icon**, signaling a safe connection.
    
5. **Boosts SEO Rankings** – Google and other search engines rank **HTTPS websites higher** than HTTP ones.
    

### Disadvantages

1. **Requires an SSL Certificate** – Website owners need to **buy and renew** an SSL certificate, which may cost money.
    
2. **More Processing Power Needed** – Encrypting and decrypting data takes **extra computing resources**, slightly affecting speed.
    
3. **Caching Issues** – Some **public caching** (storing data temporarily for faster access) doesn’t work the same way with HTTPS.
    
4. **Blocked by Some Firewalls & Proxies** – Certain networks (schools, workplaces) may **restrict access to HTTPS websites**.
    
5. **Configuration Problems** – If not set up correctly, a website might still load **some files over HTTP**, causing security risks.
    

## **Evolution of Web Protocols**

The **Hypertext Transfer Protocol (HTTP)** has evolved over the years to improve **speed, efficiency, and security**. Each new version of HTTP introduces better ways to transfer data, reduce delays, and enhance the user experience.

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1740735619239/0d441e0c-a6bf-419b-919e-2c2a420b7454.png align="center")

1. **HTTP/0.9 (1991) – The First Version**
    
    * This was the **earliest version** of HTTP, designed only for **retrieving HTML pages**.
        
    * It supported **only one request type** (**GET**) and **did not include headers**.
        
    * There was **no support for images, scripts, or stylesheets**—only simple text-based web pages could be loaded.
        
2. **HTTP/1.0 (1996) – More Features, But Still Limited**
    
    * This version introduced **headers**, which allowed additional information to be included in requests and responses.
        
    * It supported **multiple request methods**, including **POST and HEAD**, making it possible to send and retrieve different types of data.
        
    * However, it still had a major limitation—**each request required a new connection**, which made loading web pages slow.
        
3. **HTTP/1.1 (1997) – Faster & More Efficient**
    
    * Introduced **persistent connections**, meaning multiple requests could be sent over **a single TCP connection** instead of opening a new connection for each request.
        
    * Added **chunked transfer encoding**, allowing large content to be sent in smaller parts, reducing delays.
        
    * Introduced **request pipelining**, which allowed multiple requests to be sent **without waiting** for each response, improving page load speed.
        
    * This version remained the **standard for nearly two decades**.
        
4. **HTTP/2 (2015) – Speed & Performance Boost**
    
    * Switched from **text-based format to a binary format**, making data transfer **faster and more efficient**.
        
    * Introduced **multiplexing**, allowing multiple requests and responses to be sent at the **same time** over a single connection.
        
    * Enabled **server push**, allowing servers to send resources to the client **before they are requested**, improving load times.
        
    * Compressed headers to **reduce data overhead** and improve efficiency.
        
    * HTTP/2 is commonly used with **SSL/TLS encryption**, making it more secure.
        
5. **HTTP/3 (2019) – The Future of Web Communication**
    
    * Replaces **TCP with QUIC**, a faster protocol that reduces connection delays.
        
    * **Eliminates head-of-line blocking**, meaning if one request is delayed, others can still be processed.
        
    * Provides **built-in encryption by default**, making it **more secure** than previous versions.
        
    * Improves **real-time data streaming, gaming, and mobile browsing performance**.
        

**HTTPS: The Secure Standard for the Web**

* **HTTPS (Hypertext Transfer Protocol Secure)** is the secure version of HTTP that encrypts data using **SSL/TLS** to protect users from cyberattacks.
    
* Today, most websites use **HTTP/2 with HTTPS** to ensure **both security and speed**.
    
* As **HTTP/3 adoption grows**, it will become the standard for **faster, more secure, and reliable web communication**.
    

## **Differences Between HTTP & HTTPS**

| **Feature** | **HTTP** | **HTTPS** |
| --- | --- | --- |
| **Full Form** | HyperText Transfer Protocol | HyperText Transfer Protocol Secure |
| **URL Format** | Starts with **“**[**http://”**](http://xn--ivg) | Starts with **“**[**https://”**](https://xn--ivg) |
| **Port Number** | Uses **port 80** for communication | Uses **port 443** for communication |
| **Security** | **Not secure** | **Secure** with encryption |
| **Encryption** | No encryption, data is sent in **plain text** | Data is encrypted using **SSL/TLS**, sent in **ciphertext** |
| **Data Protection** | Vulnerable to **hacking, MITM attacks, and data interception** | Protects data from **hackers, MITM attacks, and phishing** |
| **Verification** | Does not verify the **server’s identity** | Uses **SSL/TLS certificates** to verify server identity |
| **Search Ranking (SEO)** | No impact on SEO ranking | Improves SEO ranking (**preferred by search engines**) |
| **Performance** | **Faster** since there is no encryption | **Slightly slower** due to encryption processes |
| **Usage** | Suitable for **general browsing** (non-sensitive data) | Required for **login pages, banking, and sensitive data transfer** |
| **Data Transfer** | Sends data in **plain text**, easy to intercept | Encrypts data before sending, making it **secure** |
| **Browser Indicator** | May show a **“Not Secure”** warning in modern browsers | Shows a **padlock icon** indicating a secure connection |
| **User Trust** | Users may **hesitate** to enter sensitive details | Users feel **confident and safe** sharing data |
| **SSL/TLS Certificate** | **Not required** | **Mandatory** for encryption and authentication |
| **Use of Hashtags for Data Security** | Does not use data hashing | Uses **hashing** and encryption before sending data |

## **SSL & TLS Certificates**

### **What is an SSL Certificate?**

An **SSL (Secure Sockets Layer) Certificate** is a **digital security credential** that provides **encryption and authentication** for websites. It ensures that any data exchanged between a **user’s browser** and a **web server** remains **private and secure**, preventing unauthorized access or interception.

To enable **HTTPS**, a website must have a **valid SSL certificate**. This certificate uses **two cryptographic keys**: a **public key** to encrypt data and a **private key** to decrypt it.

SSL certificates are issued by **Certificate Authorities (CAs)**, trusted organizations that verify a website’s identity before granting a certificate. When you visit a secure website, your browser checks for a valid SSL certificate. A **padlock icon** in the address bar indicates a secure connection, while an invalid or missing certificate triggers a **security warning**.

### **What is a TLS Certificate?**

A **TLS (Transport Layer Security) Certificate** is the **successor to SSL certificates** that provides **better security** for websites.  It **encrypts and protects** data sent between a user’s browser and a web server, keeping it safe from hackers.

TLS is the **newer and stronger** version of **SSL**, which is no longer used. It uses **better encryption methods** to prevent **eavesdropping, data tampering, and cyberattacks**. Even though people still say “SSL,” most websites today actually use **TLS** for security.

Websites with **HTTPS** use **TLS certificates** to keep user data **safe, private, and secure** while browsing or making online transactions.

### **What are the different types of SSL/TLS certificates?**

There are **three main types** of SSL/TLS certificates:

1. **Domain Validated (DV) Certificates**
    
    * The **basic** type of SSL/TLS certificate.
        
    * **Easiest and fastest** to obtain, as it only requires domain ownership verification.
        
    * Best for **personal websites, blogs, or small projects** that don’t handle sensitive data.
        
2. **Organization Validated (OV) Certificates**
    
    * Provides **more security** than DV certificates.
        
    * Requires the **Certificate Authority (CA) to verify the organization’s identity** before issuing the certificate.
        
    * Suitable for **business websites, e-commerce stores, and organizations** that need **extra trust and security**.
        
3. **Extended Validation (EV) Certificates**
    
    * Offers the **highest level of security and assurance**.
        
    * Requires a **thorough verification** of the business or organization.
        
    * Used by **banks, large corporations, and businesses handling sensitive information** to build **maximum trust** with users.
        

### **Why are SSL/TLS Certificates important?**

SSL/TLS certificates help **keep your information safe** when it is sent over the internet. They use **encryption** to protect your data from hackers and identity thieves.

These certificates are issued by **Certificate Authorities (CAs)**. When you visit a website, your browser **checks if the SSL/TLS certificate is valid**. If it is, you will see a **padlock icon** in the address bar, showing that the site is secure.

Not all websites **need** an SSL/TLS certificate, but they are **important** for websites that handle **sensitive information**, such as:

* **Online shopping sites** (to protect payment details)
    
* **Social media sites**
    
* **Websites with login pages**
    

If you’re not sure if your website needs an SSL/TLS certificate, **ask your web hosting provider or an IT expert**. Having one **keeps users safe and builds trust**.

## **How To Switch From HTTP To HTTPS?**

Switching from **HTTP to HTTPS** makes your website **more secure and trustworthy**. To do this, you need an **SSL/TLS certificate** and some basic setup.

You need to follow these steps:

1. **Install an SSL/TLS Certificate**
    
    * Get an **SSL/TLS certificate** from a **trusted Certificate Authority (CA)** (e.g., Let’s Encrypt, GoDaddy, Namecheap).
        
    * Many web hosting providers offer **free SSL certificates** and allow **one-click installation** in their dashboard.
        
    * If needed, follow your hosting provider’s **SSL installation guide** for manual setup.
        
2. **Force HTTPS on Your Server**
    
    * After installing the SSL certificate, **redirect all HTTP traffic to HTTPS** so users always access the secure version of your site.
        
    * **For Apache servers** (using .htaccess), add this code:
        
        ```plaintext
        RewriteEngine On  
        RewriteCond %{HTTPS} !=on  
        RewriteRule ^(.*)$ https://%{HTTP_HOST}/$1 [R=301,L]
        ```
        
    * If using **NGINX**, modify the server settings to enforce HTTPS.
        
    * Some hosting providers (like **SiteGround, Bluehost**) offer an **easy HTTPS switch** in their settings.
        
3. **Set Up HTTPS in Your Website Platform**
    
    * Some platforms, like **WordPress, Joomla, or Shopify**, need additional setup to work correctly with HTTPS.
        
    * **Common issue: “Mixed Content Errors”** – This happens when some images, scripts, or stylesheets still load over HTTP instead of HTTPS.
        
    * **How to Fix Mixed Content Issues:**
        
        * Use **a plugin** (like Really Simple SSL for WordPress) to update all links to HTTPS.
            
        * Manually update **internal links** in your database using a **Search & Replace tool**.
            
4. **Update All Links and Resources**
    
    * Make sure that **all images, scripts, and third-party services** use **HTTPS versions** instead of HTTP.
        
    * Update your **CDN (Content Delivery Network)** settings to load content securely.
        
5. **Test and Verify HTTPS is Working**
    
    * Visit your website using [**https://yourwebsite.com**](https://yourwebsite.com) and check for the **padlock icon** in the browser’s address bar.
        
    * Use **SSL Checker tools** like SSL Labs to verify your SSL certificate is working correctly.
        
    * Check for **mixed content errors** using browser **Developer Tools** (Press F12 &gt; Console).
        
6. **Update Search Engines & External Links**
    
    * Go to **Google Search Console** and **update your website URL to HTTPS**.
        
    * Update your **Google Analytics settings** with the new **HTTPS version** of your site.
        
    * Submit a new **sitemap with HTTPS URLs** to search engines.
        
    * Ask external websites linking to you to update their links to [**https://yourwebsite.com**](https://yourwebsite.com).
        

## **Is HTTPS Setup More Expensive than HTTP?**

In the past, HTTPS cost money because SSL/TLS certificates had to be bought and renewed every year. But now, many providers offer free SSL certificates, making HTTPS affordable for everyone.

**Where Can You Get Free SSL Certificates?**

* **Let’s Encrypt** – A free SSL provider used by many websites.
    
* **Cloudflare** – Offers free SSL with its services.
    
* **AWS Certificate Manager (ACM)** – Provides free SSL for websites hosted on AWS.
    
* **Web Hosting Companies** – Many hosting providers (like **SiteGround, Bluehost, and Namecheap**) include **free SSL** in their plans.
    

In conclusion, HTTPS is **no longer expensive**—you can get an SSL certificate for free, and many services make it easy to set up and manage.

## How Do I Know If My Website Uses HTTP or HTTPS?

You can easily check which protocol your website is using by looking at the **address bar** in your browser.

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1740736489460/dfc6702f-7de0-42f1-aef1-311bd2f1b6bf.png align="center")

* **If the URL starts with** http:// → The website is using **HTTP** (not secure).
    
* **If the URL starts with** https:// → The website is using **HTTPS** (secure and encrypted).
    

**Tip:** Some browsers, like **Google Chrome**, hide the http:// or https:// part in the address bar. To see the full URL, **click twice on it** and the full address will be visible.

## **Why Choose HTTPS Over HTTP?**

**Did you know?** Over **43% of cyberattacks** target small businesses, and websites without HTTPS are **prime targets** for hackers. If a website still runs on **HTTP**, it’s like leaving your **front door unlocked**—making it easy for cybercriminals to **steal sensitive data**.

1. **Secure Data Transmission**
    
    * **HTTPS encrypts data** exchanged between a website and its visitors.
        
    * Only the **server and client** can read the data; hackers **cannot intercept** it.
        
    * Makes **online transactions, logins, and personal data processing safer**.
        
2. **Better SEO Ranking**
    
    * **Search engines like Google rank HTTPS sites higher** than HTTP sites.
        
    * Websites without HTTPS are often **pushed back in search results**.
        
    * HTTPS helps improve **visibility, traffic, and credibility**.
        
3. **Builds Trust with Visitors**
    
    * Online scams and frauds are increasing, making users more cautious.
        
    * **Web browsers display a padlock icon** on HTTPS websites, showing they are secure.
        
    * **Without HTTPS, visitors see a “Not Secure” warning**, which can scare them away.
        
4. **Required for Online Payments**
    
    * HTTPS is **mandatory** for **e-commerce websites** and online transactions.
        
    * **Payment processors will reject** websites that **don’t use HTTPS**.
        
    * Without HTTPS, submitting payment details is **risky** and can lead to **data theft**.
        
5. **Stronger Security & Protection**
    
    * HTTP sends **plain text data**, making it **easy to hack**.
        
    * HTTPS **encrypts all messages**, protecting personal details like **credit cards, passwords, and addresses**.
        
    * Prevents cyber threats like **man-in-the-middle attacks and data breaches**.
        
6. **Increases Website Authority & Reputation**
    
    * **Search engines prefer HTTPS sites** because they are **more trustworthy**.
        
    * **Users trust HTTPS websites more**, leading to better engagement.
        
    * A **padlock icon in the browser** reassures visitors that the site is **safe**.
        
7. **Faster Performance & Better Analytics**
    
    * **HTTPS websites load faster** than HTTP ones.
        
    * Referral traffic (visitors from ads or social media) is **better tracked** with HTTPS.
        
    * Websites using HTTPS get **more accurate analytics**, helping businesses grow.
        

## Conclusion

**The web is evolving, and so are cyber threats.** If your website is still on **HTTP**, you’re not just losing trust—you’re also risking **data breaches, SEO penalties, and lost customers**. The good news? **Switching to HTTPS is easier and more affordable than ever!** Secure your website today, protect your visitors, and build **a future-proof online presence**

**Secure your website, protect your users, and stay ahead—make the switch to HTTPS today!**

### Want More…?

I write articles on [blog.devwithjay.com](https://blog.devwithjay.com) and also post development-related content on the following platforms:

* [**Twitter/X**](https://x.com/devwithjay)
    
* [**LinkedIn**](https://www.linkedin.com/in/devwithjay)
