HTML Images vs CSS Background Images: Which Should You Use?
Use HTML images for meaningful content and CSS backgrounds for decoration. Compare accessibility, responsive behavior, loading, layout stability, and code examples.
Guides
Step-by-step guides to capturing the web: screenshots, full pages, elements, devices and more.
Sample Image Links for HTML
Learn how to add HTML image URLs, write useful alt text, and serve responsive images with srcset, sizes, and picture.
Bot Checks and CAPTCHAs: What We Do and What You Can Do
Why bot checks appear, how to troubleshoot a CAPTCHA loop safely, and how to spot fake verification pages that ask you to run commands.
Signed URLs for Screenshot APIs Explained
Learn how signed screenshot URLs protect API secrets in public embeds, how provider-specific signing works, and when a backend request is the better choice.
What Is the Difference Between a Screenshot and a Snapshot?
A screenshot records visible pixels; a snapshot can mean a screen capture or a saved technical state. The difference depends on what a product captures and why.
Are Website Screenshots Copyrighted? A Developer’s Guide
Website screenshots can reproduce copyrighted writing, photos, and artwork. Learn how U.S. fair use, permissions, and practical checks apply before you publish one.
Website Screenshot Mockup Generator
Create polished website screenshot mockups for browsers, phones, and presentations. Compare tools, privacy, exports, and a practical workflow.
Website Screenshot to AVIF: API Guide
Capture a website with a screenshot API, return AVIF directly when supported, or convert PNG/JPEG/WebP safely in your own pipeline.
Open Graph Image Format: Complete Guide to og:image, Sizes, and Debugging
Learn what the Open Graph image format really is, how to implement og:image correctly, choose dimensions, and fix previews that do not appear.
Can Open Graph Images Be WebP?
Yes, an og:image can point to WebP, but social crawlers may handle formats differently. Learn how to add a fallback and verify previews.
Image Syntax in HTML
Learn HTML image syntax with img, alt, dimensions, srcset, sizes, picture, source, accessibility, performance, and screenshot testing.
Open Graph Image Aspect Ratio
A practical guide to Open Graph image ratios, recommended dimensions, metadata, platform crops, and a repeatable way to check previews.
Open Graph Image Generator Online
Create 1200×630 Open Graph images online, add correct metadata, automate dynamic cards, and verify previews across social platforms.
Regression Testing Software: Types and Selection Guide
Learn what regression testing protects, how to select regression suites, and how to choose software your team can maintain.
Functional and Regression Testing: Differences, Strategy, and Automation
Learn how functional and regression testing differ, when to run each, how to choose cases, and how to automate a risk-based test suite.
How to Choose an HTML-to-Image Tool
Choose an HTML-to-image tool by rendering fidelity, runtime, content, and operating cost. Compare DOM reconstruction, Playwright, and a hosted screenshot API.
Screenshot as a Service
A screenshot API renders a URL or HTML in a hosted browser and returns an image. Learn how it works, what to evaluate, and when to use one.
Website Monitoring System Tools: A Practical Guide
Choose website monitoring tools by the failures you need to catch: uptime, content, performance, user journeys, or real-user experience.