Cloudflare is an Internet infrastructure provider, whose idea is to enhance the security, performance, and reliability of anything connected to the Internet. It most of the core features for free and provides and simple setup for installing and using it.
It has both UI and API for managing your website.
It works on a Freemium model but offers most of its core features for free with some limits.
Features
DNS hosting - DNS is responsible for translating domain names into IP address, Cloudflare provides DNS hosting to manage DNS records, and Cloudflare records come into effect very fast in most the cases.
CDN
SSL/TLS - It provides free SSL for the domain name and wildcard subdomains for 3rd level in the hostname for free
Firewall- Limited to 5 rules It firewall provides a way to block traffic using IP address, hostname, known bots, URI, and more.
Page rules - Limited to 3 rules Pages rules provide different functions like redirects, HTTPS rewrites, and more.
Apps - Created by developers, Cloudflare apps provide different functionalities with just a click of the button.
Analytics - Cloudflare analytics provide simple analytics for your website
Registrar - Cloudflare provides domain registration for wholesale price with free Whois redaction
Workers - The serverless functions running in languages like JavaScript, C, C++, and Rust.
Advantages
It has a free plan with most of its core features.
It acts as CDN which increases the load speed of websites.
It protects from malicious bots and DDoS attacks.
It provided Managed DNS with short TTL.
It provides free SSL certificate completely managed by Cloudflare, renewed annually.
It Provides forwarding rules and serverless functions.
It has different independent addons for different services.
It provides Domain Registrar services.
Provides API for managing most of the services.
Disadvantages
The free plan comes with many limits, and Paid plans are not cheap.
DNS zones are managed which may not be useful for some users.
Can’t use Custom Name servers in the free plan.
SSL certificate will only be accepted which Cloudflare is active on that domain.
SSL certificates are only one level deep and issued to sni.cloudflaressl.com with your domain in SAN’s field.
Domain registration is not yet available for all users and comes with limited TLD’s to register.
Page rules and Worker sites are very limited in the Free plan.
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