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Developer Blog

Guides, Tutorials & Developer Articles

Learn more about frontend development, online tools, JSON, encoding, regex, CSS and productivity workflows.

304 posts

Sessions vs JWT Authentication

Learn the differences between session-based authentication and JSON Web Tokens (JWT), compare security, scalability and common use cases for modern web applications.

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SHA-256 Explained

Understand how SHA-256 generates secure hashes, where it is used and how it differs from encryption, checksums and password hashing.

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Snowflake IDs Explained

Learn how Snowflake IDs generate unique, time-sortable identifiers across distributed systems and how they compare with UUID, ULID and KSUID.

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SQL Injection Explained

Understand SQL Injection (SQLi), how attackers exploit insecure database queries and how developers can protect applications from SQL injection attacks.

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SSL vs TLS

Compare SSL and TLS, understand protocol evolution, security improvements and why TLS has replaced SSL for encrypted communications.

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Static vs Dynamic QR Codes

Understand how static and dynamic QR codes work, compare their differences, advantages, limitations and choose the right type for your use case.

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Subnetting for Beginners

A beginner-friendly guide to subnetting, covering subnet masks, CIDR prefixes, network addresses and practical examples for IPv4 networks.

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SVG Data URI Guide

Understand SVG Data URIs, learn how inline SVG encoding works and discover when embedding SVG directly into CSS or HTML is beneficial.

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SVG Explained: Why It's Perfect for Modern Web Design

Discover how SVG graphics work, their advantages over raster images, and why SVG has become a standard format for responsive web interfaces.

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SVG Sprites Explained

Understand SVG sprites, learn how they reduce duplication and simplify icon management across websites and applications.

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SVG ViewBox Explained

Understand how the SVG viewBox defines the internal coordinate system and why it is the key to creating scalable responsive vector graphics.

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SVG vs PNG vs JPEG

Learn the differences between SVG, PNG and JPEG, how each format works, and which one is best for icons, logos, illustrations and photographs.

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Text Encoding Basics

Understand how computers store text, why encodings exist and how modern standards like UTF-8 make global communication possible.

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Time to First Byte (TTFB)

Understand Time to First Byte (TTFB), how the metric works, what affects it and practical ways to reduce server response time.

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Time Zones Explained

Understand how time zones work, how UTC offsets are calculated, why daylight saving time matters, and how developers should handle time zones in software.

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Typography Best Practices

Learn how to choose fonts, build type scales, set readable line heights, control text width and create consistent responsive typography.

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Understanding Color Blindness

Understand the main types of color blindness, how they affect color perception and how to create more accessible websites and digital interfaces.

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Understanding EXIF Data

Discover what EXIF data contains, how it is created, and how photographers, developers and image editors use it every day.

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Understanding HTTP Redirect Chains

Understand HTTP redirect chains, common redirect patterns, SEO implications, performance problems and best practices for keeping redirects efficient.

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Understanding node_modules

Understand what node_modules contains, how dependencies are installed, how npm resolves packages and why node_modules should usually not be committed to Git.

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