Headless or Headed Browser: How to Choose and Debug
Headless runs without a visible browser window; headed shows one. Learn how Playwright, Puppeteer and Chrome differ, and choose the right mode for automation, testing and debugging.
Guides
Step-by-step guides to capturing the web: screenshots, full pages, elements, devices and more.
Where to Put Images in a Next.js Project
Put URL-addressable images in the root public/ folder, or statically import local files beside the code that uses them. Here’s how to choose and reference each option.
Website Featured Image Sizes: Recommended Dimensions
Use 1200 × 630 px as a practical featured-image default for social previews, then validate crops, metadata, and file-size limits.
How to Design a Photo Gallery for Your Website
A practical guide to responsive, accessible, fast photo galleries, with complete HTML, CSS, JavaScript, loading, lightbox, and testing advice.
Best Image Dimensions for Websites: A Practical Guide
Choose website image dimensions from the rendered slot, crop, and layout—not a generic preset. Learn responsive images, intrinsic sizing, and practical workflows.
Recommended Image Sizes for Websites: A Practical Guide
Choose website image sizes from the rendered layout, then use responsive candidates, the right format, and stable dimensions to balance clarity and page weight.
What Is Playwright Scripting? A Guide to Browser Automation
Playwright scripting lets you automate Chromium, Firefox, and WebKit with code. Learn setup, locators, waits, screenshots, debugging, and production practices.
Does Facebook Notify Users About Post Screenshots?
Facebook doesn’t notify someone when you screenshot a normal post. Here’s what happens with photos, Stories, Reels, profiles, and Messenger disappearing messages.
HTML vs. HTML5: Key Differences for Web Developers
HTML is the web’s markup language; HTML5 is a historical label for the modern, continuously evolving HTML standard.
Dark Mode Website Design Examples: What to Look For
Learn how to assess dark mode website examples for hierarchy, readable text, functional color, imagery, theme switching, and responsive behavior.
Dark and Light Mode Website Design Examples
Compare practical dark and light mode patterns for navigation, articles, forms, and dashboards, then build themes that stay readable and consistent.
FFmpeg 101: 10 Command Options You Need to Know
Learn what ten everyday FFmpeg options do, where to place them, and how to combine them safely when converting, trimming, or selecting media streams.
Are Screenshots JPG or PNG? Image Formats Explained
Screenshots can be PNG, JPEG, HEIF, or another format depending on the device and capture settings. Learn which format to choose, how to convert images, and what to check before sharing or submitting them.
What Size Should a Website Post Image Be?
Use 1200 × 800 px for a general blog header, 1280 × 720 px for a wide hero, and at least 1200 px wide for Google Discover.
Cloudflare Web Analytics API: Site Management, GraphQL, Setup, and Troubleshooting
Learn which Cloudflare Web Analytics API to use, how RUM setup differs from GraphQL, and how to build reliable analytics workflows.
What Size Should Web Images Be? A Practical Guide to Width, Height, and File Size
Choose web image dimensions from the rendered CSS slot, then use responsive candidates, correct ratios, and efficient formats for every screen.
What Is Scroll Capture? Samsung Galaxy Long Screenshots Explained
Scroll Capture is Samsung Galaxy’s tool for turning a scrollable page into one long screenshot. Learn how it works, its limits, and alternatives.
Does the Wayback Machine Capture Everything?
No. The Wayback Machine archives publicly available pages selectively, and a saved page may still be incomplete or behave differently from the original.