Developer Guides
UUID, timestamps, and other essential developer concepts explained.
Tools
Articles
Aspect Ratio Explained: How to Calculate Any Ratio (With Chart)
Learn what aspect ratios are, how to calculate them, and which ratio fits your use case. Full chart of common ratios with pixel dimensions for video, photos, and social media.
9 min read
Cron Job Examples: 20 Expressions From Basic to Advanced
20 cron job expressions explained with real use cases. Copy-paste ready cron schedules for backups, cleanup, monitoring, and more.
11 min read
Crontab Syntax Explained: The Complete Cron Schedule Reference
Understand crontab's 5-field syntax with real examples. Covers minute, hour, day, month, weekday fields, special characters, and common schedules.
9 min read
Essential Meta Tags for SEO: Which Ones Actually Matter in 2026
The only meta tags Google still uses in 2026. Complete list with examples, plus which tags are ignored. Skip the outdated advice.
9 min read
.htaccess File Explained: What It Does and How to Use It
The .htaccess file controls redirects, security, and caching on Apache servers. Learn where it goes, what each directive does, and see ready-to-use examples.
9 min read
.htaccess Redirect Guide: 301s, 302s, and Regex Patterns
Set up .htaccess redirects the right way. Covers 301 vs 302, regex redirects, domain migrations, and common patterns with ready-to-use code examples.
10 min read
Open Graph Tags: The Complete Guide to Social Sharing Previews
Every OG tag explained with examples. Required vs optional tags, image sizes per platform, and common mistakes that break your previews.
9 min read
robots.txt vs noindex: Which One Should You Use (And When)
robots.txt blocks crawling. noindex blocks indexing. They solve different problems. Learn which to use for staging sites, thin pages, and admin areas.
9 min read
SEO-Friendly URL Best Practices (With Do/Don't Examples)
Learn the 10 SEO-friendly URL best practices that actually move rankings. Includes a do/don't table, real examples, and common mistakes developers make.
9 min read
Social Media Image Sizes 2026: The Complete Reference (Every Platform)
Every social media image size for 2026 in one place. Exact dimensions, aspect ratios, and file size limits for Instagram, TikTok, Facebook, X, LinkedIn, Pinterest, and YouTube.
10 min read
What Is a URL Slug? (And Why It Matters More Than You Think)
A URL slug is the readable part of a web address after the domain. Learn what makes a good slug, see examples, and fix common slug mistakes for better SEO.
7 min read