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JavaScript rendering: when you need it and when you are wasting credits

DEDatafuel engineering1 min read
Key takeaway. Fetch without rendering first; if the fields you need are in the HTML you are done. Render only when the data arrives by XHR or after interaction.

Most pages do not need a browser. A quick test to tell which ones do, and how to keep rendering costs to the pages that earn them.

Article body pending. This post exists as an index entry with its takeaway; the full text is written by the editorial team. Nothing here is generated to look finished.
Unlocker APIPass the CAPTCHA without a human in the loopAny page past any protection, as Markdown or structured JSON, in one request.
Start freeSee the Unlocker API pagefrom $0.042 per 1k requests · failed requests free
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Datafuel engineeringThe team that builds the network, the SDK and the scraping APIs.

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The team that builds the network, the SDK and the scraping APIs.

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