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Have you ever visited a website and seen a message in your browser warning you about “mixed content”? Maybe you wondered what it meant, or why it mattered. In this article, we’ll explore the concept of mixed content, its potential security risks, and…
Have you ever wondered how your favorite websites and apps load so quickly? How is it possible that they retrieve data and display it so fast? The answer lies in a technology called caching. In computing, cache is a widely used method for storing…
A virtual private server (VPS) is essentially a server within a bigger server. This is a popular hosting option offered by many web host companies to satisfy users who do not want to share all server resources with other websites, however aren't…
We've previously discussed the specifics behind what is a CDN in another article, however, in this CDN tutorial we'll dive a little deeper into how does a CDN work. Why speed matters It's important to provide a fast web browsing experience to site…
What is a CDN server? A CDN server (also called CDN edge server) is a caching server located at a particular point of presence (POP). Depending on your CDN provider, a POP may contain several servers at one location. These servers are used for…
What is markdown? Markdown is a markup language used to convert plain text format syntax to various other formats including HTML. This format is often used in readme documentation files (using the .md extension) or even online discussion forums. The…
Subresource integrity, or SRI, is a security feature that allows your browser to distinguish if the files being retrieved have been maliciously altered. A site owner can implement various feature to help keep their website secure such as HSTS or TLS…
With TCP Fast Open, Google has presented a protocol extension for reducing unnecessary latencies in network traffic. The proposal was originally presented in 2011 and was published as RFC 7413 in December 2014. The majority of Internet traffic is…
A robots.txt file provides search engines with the necessary information to properly crawl and index a website. Search engines such as Google, Bing, Yahoo, etc all have bots that crawl websites on a periodic basis in order to collect existing and/or…
SSL and TLS are both cryptographic protocols used to increase security by encrypting communication over computer networks. SSL (RFC specification) stands for Secure Sockets Layer while TLS (RFC specification) stands for Transport Layer Security. TLS…