What is Cloudflare

Cloudflare is a powerful tool that ensures your website performs optimally and remains secure against cyber threats. This post will delve into what Cloudflare is, how it functions, and why it’s essential for your SEO strategies and website maintenance. Find out how to leverage this powerful tool with Primal Digital Agency, Thailand’s leading SEO agency.

The logo of Cloudflare, an US web infrastructure & security company, in its website on iOS. Cloudflare announced new serverless platform Workers Unbound in July 2020


What is Cloudflare?

Cloudflare is a global network designed to make everything you connect to the Internet secure, private, fast, and reliable. It provides various services, including content delivery network (CDN) services, Internet security, and distributed domain name server services. 

Cloudflare’s primary functions are to optimise website performance through faster load times and safeguard websites from cyber threats like DDoS or distributed denial-of-service attacks, which are malicious attempts to disrupt normal traffic to a website.

How Does Cloudflare Work?

What Cloudflare does is act as a reverse proxy and CDN. This means it sits between your visitors and your hosting provider, caching content and filtering malicious traffic before it reaches your server. Cloudflare’s global network of servers caches your website’s static content and delivers it from the server closest to your visitors, which significantly decreases loading times.

What is Cloudflare Used For?

Cloudflare is a versatile service used by websites of all sizes—from small personal blogs to large e-commerce platforms. Its scalability and range of applicable features make it suitable for any online business that prioritises website performance and security.


Pros and Cons

Let’s provide an overview of the advantages and disadvantages of using Cloudflare:


  • Enhanced Performance: Cloudflare’s CDN functionality speeds up website loading times by serving content from locations closer to the user.
  • Increased Security: It provides robust security measures to protect against DDoS attacks, data breaches, and other cyber threats.
  • Easy Integration: Cloudflare offers simple integration options compatible with most hosting platforms.


  • Cache-Control: Managing cached content can sometimes be challenging for dynamic sites.
  • Limited Free Plan: While Cloudflare offers a free plan, its features are limited compared to premium options.

Comparing Cloudflare and VPNs

While Cloudflare enhances website performance and security, a VPN or virtual private network secures individual internet connections. The key difference between Cloudflare and VPNs lies in their primary functions. While Cloudflare is used for protecting and accelerating website speed, VPNs are for protecting user privacy and securing data transfers.

How to Use Cloudflare

Here are step-by-step instructions on how to set up and integrate Cloudflare with your website. Setting it up involves a few key steps:

  1. Sign Up and Add Your Website: Create an account on Cloudflare and add your website.
  2. Change Your DNS Records: Update your domain’s DNS records to point to Cloudflare’s nameservers. This directs traffic through Cloudflare’s network.
  3. Configure SSL/TLS: Set up SSL/TLS to ensure your website’s traffic is encrypted.
  4. Optimise Performance Settings: Customise caching rules and page rules to optimise how content is served.

Optimising Your Use of Cloudflare

Let’s explore some practical tips and advice to help you make the most out of Cloudflare’s services:

Optimise Caching Settings

Customise your caching level to suit the type of content your website offers. For mostly static sites, an aggressive caching policy can reduce load times and server requests. Utilise Page Rules to apply custom caching policies to different parts of your site, especially if you have dynamic or regularly updated content.

Enable Auto Minify

Cloudflare offers features to minify JavaScript, CSS, and HTML. Enabling these settings can help reduce file sizes and speed up page loading times.

Use Cloudflare’s Polish and Mirage

Polish optimises image loading by serving scaled images and converting them to more efficient formats. Mirage improves image loading on mobile devices by adjusting the size and resolution based on the device and network conditions.

Implement Rate Limiting

Protect your website from abuse and DDoS attacks by limiting the rate of allowed requests per visitor. This can be particularly useful for areas of your site that handle user authentication and APIs (application programming interface).

Leverage Cloudflare Workers

Use Cloudflare Workers for edge computing solutions like customising web pages on the fly without altering your server code, personalising user content, or making API calls.

 Monitor Performance and Security

Regularly check Cloudflare analytics to monitor traffic patterns, security threats, and performance impacts. This data can help you tweak settings for optimal performance and security.

Secure Your DNS Settings

Utilise DNSSEC to protect your domain from DNS spoofing and other DNS-related attacks. Additionally, make sure your SSL/TLS settings are configured correctly to maximise security while balancing performance.

Engage with the Cloudflare Community

Join Cloudflare’s community forums to stay updated on new features and best practices. Engaging with other users can provide insights and help troubleshoot common issues.

Regular Updates and Audits

Keep your Cloudflare settings up to date and conduct regular audits to ensure they align with your current business needs and web performance goals.


Frequently Asked Questions

Is Cloudflare Free?

Yes, Cloudflare offers a basic free plan that includes CDN services and basic DDoS protection.

Is Cloudflare Safe?

Absolutely. Cloudflare is designed to enhance the security of websites by protecting against multiple types of cyber threats.

Does Cloudflare Affect SEO?

Yes, using Cloudflare positively affects SEO. By improving site speed and security, Cloudflare can improve your site’s SEO rankings.


The logo of Cloudflare, an US web infrastructure & security company, in its website on iOS. Cloudflare announced new serverless platform Workers Unbound in July 2020


ow that you understand what Cloudflare is and how it’s an essential tool for websites, the next step is to use it to improve your site performance and security. By integrating Cloudflare into your SEO and website maintenance strategies, you can ensure better user experiences and improved search engine rankings.

If want to improve your SEO strategy and need specialised assistance, reach out to Primal Digital Agency, your go-to SEO agency in Bangkok. Our experts are ready to help you craft digital solutions that fit your needs, leveraging powerful tools like Cloudflare to boost your online presence.

Contact Primal Digital Agency today.