How to Generate and Save PDFs On Demand from Data Tables
Build on-demand PDF reports from live table data, choose the right Python rendering path, save or stream the result, and handle layout and reliability issues.
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Guides for capturing the web
How to take clean screenshots, turn HTML into images and PDFs, run headless browsers, and give AI agents eyes. Written by the team that builds ScreenshotNeo.
Scrapy Playwright Tutorial: How to Scrape Dynamic Websites
Learn when to use a browser, configure scrapy-playwright, wait for JavaScript content, click controls, and close pages safely.
How to Create Lead Generation Graphics with Zapier
Build reusable Canva lead graphics with Zapier, connect matching forms, route submissions, and automate reliable follow-up.
How to Store Web Design Variants in a URL
Make layouts, themes, and other design choices shareable and reloadable with URL parameters and the History API.
How to Connect Puppeteer to a Remote Browser
Use Puppeteer.connect() with a WebSocket endpoint to control a remote browser, authenticate safely, manage sessions, and troubleshoot failures.
How to Self-Host Headless Chrome with Docker
Run Headless Chrome in Docker with Puppeteer, Selenium, or Playwright. Covers images, sandboxing, shared memory, scaling, security, and debugging.
How to Change Image Quality
Change an image’s dimensions, compression, or print settings for its destination while preserving the original and avoiding unnecessary quality loss.
How to Generate Dynamic Open Graph Images in Next.js
Generate route-specific Open Graph images in Next.js with opengraph-image, ImageResponse, dynamic data, caching, troubleshooting, and deployment guidance.
How to Run Chrome Extensions in the Cloud
Run extensions in headless Chromium for automated tests, or use a streamed desktop when the extension needs visible browser UI. Here’s how to choose, install, test, and troubleshoot both.
Image Templates vs. Video Templates: What’s the Difference?
Image templates arrange one still canvas; video templates add a timeline, motion and often audio. Learn which to choose, convert and license.
How to Create an Image Slider in HTML, CSS, and JavaScript
Build an accessible image slider with semantic HTML, CSS scroll snapping, and JavaScript controls, autoplay, keyboard support, and reduced motion.
Why HTTP Load Tests Fail to Catch Critical Errors
A load test can hit its throughput target and still miss failures users experience. Learn how to test behavior, observe tails, and diagnose blind spots.
How to Make a Custom Open Graph Image Using Puppeteer
Render a deterministic HTML social card with Puppeteer, publish it, and wire it into og:image with reliable metadata and troubleshooting steps.
Ecommerce Localization: How to Generate Images with Local Currencies and Languages
Build ecommerce images with market-specific prices and translated copy using reusable templates, locale-aware formatting, and a reliable QA workflow.
How Website Screenshots Can Improve Customer Support
Learn how to use annotated website screenshots to clarify support issues, speed reproduction, protect privacy, and choose screenshots versus screencasts.
How to Extract Travel Data at Scale with Puppeteer
Build a repeatable, permission-aware travel-data pipeline with Puppeteer: choose sources, collect and validate observations, and monitor changes.
Puppeteer Element Screenshots: A Developer’s Guide
Capture one DOM element with Puppeteer, save or process the image, and handle timing, formats, detached nodes, and common errors.
How to Scrape Data from Multiple Web Pages
Learn how to scrape multiple pages with Python, Beautiful Soup, Scrapy, or Playwright. Handle pagination, JavaScript, retries, and clean structured output.