Website Header Image Dimensions: Recommended Sizes and Ratios
Choose the right header size by separating banners from heroes, planning responsive crops, and optimizing quality, weight, and accessibility.
Guides
Step-by-step guides to capturing the web: screenshots, full pages, elements, devices and more.
How to Choose a Full-Page Website Background Image Size
Choose background dimensions by viewport, aspect ratio, focal point and cropping needs—not by one universal pixel size.
What Is the Open Graph Meta Tag and How Do You Use It?
Learn what Open Graph tags do, which properties to add, how to validate previews, and how to fix missing or incorrect social images.
HTML Responsive Web Design
Learn how HTML, CSS, responsive images, accessibility, and testing work together to create pages that adapt to every screen.
What Is the Standard Website Header Image Size?
There is no universal header-image size. Use the component’s ratio, responsive crops and focal point to choose a source such as 1920×1080.
What Is Cypress Testing? A Complete Guide to E2E, Component, API, and Accessibility Tests
Cypress testing runs JavaScript or TypeScript tests in a real browser for end-to-end, component, API, and accessibility coverage.
What Is Open Graph Metadata? A Complete Developer Guide
Open Graph metadata is HTML in your page head that controls link previews on social platforms. Learn the required tags, image fields, validation, and fixes.
YouTube Thumbnail Image Size
Use 3840×2160 for YouTube videos and 2160×3840 for Shorts, with the right format, file limit, and safe export workflow.
Next.js Image Gallery Component
Build a responsive Next.js image gallery with next/image: sizing, fill, remote sources, cropping, performance, accessibility, and troubleshooting.
What Are Website Subpages and How Do They Work?
Learn what website subpages are, how visitors and search engines discover them, and how to organize URLs, links, accessibility, and screenshots.
Web Page Screenshot Design Best Practices
Learn how to capture clear, accessible web page screenshots: choose the right viewport, protect privacy, show responsive states, and automate reliable output.
How to See Who Screenshotted Your Story
Instagram usually shows Story viewers, not screenshotters. Snapchat can show screenshots for My Story, while TikTok shows viewers only.
Can You Screenshot a Snapchat Story Without Them Knowing?
Snapchat says Story owners can see screenshot activity. There is no reliable, supported way to save a Story without the poster knowing.
What Is BrowserStack Local? A Complete Guide to Local Testing
BrowserStack Local creates an encrypted tunnel from BrowserStack browsers to localhost, staging, and private applications. Learn setup, networking, security, and troubleshooting.
Can You Screenshot a WhatsApp Status?
Yes. WhatsApp does not currently notify someone when you screenshot a regular Status, but screenshot rules differ for View Once media and profile photos.
Can You Screenshot a Facebook Story?
Yes. Facebook Stories can be screenshotted, and current reporting says the poster is not notified. Messenger disappearing messages are different.
What Is Chrome DevTools and How Do Developers Use It?
Chrome DevTools is built into Chrome for inspecting HTML and CSS, debugging JavaScript, analyzing requests, profiling performance, and testing web app behavior.
How Website Monitoring System Software Works
Learn how website monitoring probes, validates failures, tests user journeys, alerts teams, and records performance across synthetic and real-user checks.