CORS, Cross-Origin Resource Sharing: Allowing Cross-Domain Communication

Cross-Origin Resource Sharing (CORS) is an essential mechanism that enables communication between clients and servers, even if they are on different domains. Normally, JavaScript applications running in the browser can only access HTTP resources on the same domain that serves them. However, CORS provides a way to allow connections to other servers. By default, certain resources like images, scripts, and styles can be loaded from different origins. However, requests made using XHR or Fetch to a different domain, subdomain, port, or protocol will fail unless the server implements a CORS policy....

CSS System Fonts: Improve Your Site's Speed and Performance

A Brief History In the early days of web development, websites were limited to using only the fonts that were available on all computers, such as Georgia, Verdana, Arial, Helvetica, and Times New Roman. If a designer wanted to use a fancy font, they had to resort to using images. Then, in 2008, Safari and Firefox introduced the @font-face CSS property, which allowed online services to provide licenses for web fonts....

The Ultimate CSS Guide: Mastering the Visual Appearance of HTML Pages

CSS, or Cascading Style Sheets, is the language that defines the visual appearance of an HTML page in the browser. Whether you’re a beginner or an experienced web developer, understanding CSS is essential for creating stunning and responsive web designs. In this comprehensive guide, you’ll learn everything you need to know about CSS, from the basics to advanced techniques like Flexbox, CSS Grid, CSS Variables, and more. Getting Started with CSS...