Vitalii Holben
Wait for page to fully load before screenshot: 4 strategies
I took a screenshot of a public dashboard and got back an image with empty tables. Here are four strategies to wait for a page to fully load, with a real Puppeteer walkthrough.
How to handle screenshot API responses in production
A 200 OK from a screenshot API doesn't mean you got a screenshot — the transport and render layers fail independently. Which status codes to retry and which not, backoff with jitter, respecting Retry-After, catching blank images that pass as a 200, and a circuit breaker. Node.js code throughout.
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Screenshot API rate limiting strategies in production
Most rate limiting guides only cover retry strategies. That's only half the problem. Five concrete strategies — proactive (token bucket, queue) and reactive (Retry-After, exponential backoff, circuit breaker) — with Node.js code.
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Headless Chrome "net::ERR_CONNECTION_REFUSED" in Docker: causes and fixes
ERR_CONNECTION_REFUSED in headless Chrome inside Docker isn't one error — it's five different network problems sharing the same message. Diagnose with one curl from inside the container, then fix per cause.
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