// DataBlue Blog

Field Notes for LLM-Ready Data.

Practical guides, migration notes, and scraping architecture lessons from the team building DataBlue in production.

Guides
GuidesSep 3, 2026 15m

Best Web Scraping APIs for JavaScript-Rendered Sites in 2026 (Benchmarked)

The API ranked #1 for this query scored 60% in independent testing. Benchmarked success rates, response times, and real cost per successful request.

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GuidesAug 25, 2026 8m

5 best Oxylabs alternatives in 2026

Tired of expiring credits and rigid enterprise minimums? Compare the 5 best Oxylabs alternatives in 2026 to audit your web scraping spend and boost ROI.

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GuidesJul 26, 2026 9m

The True Cost of "Free": 10 Best Free Web Scraping Tools and APIs for Developers

An honest breakdown of the best free web scraping tools. Compare open-source libraries vs. SaaS free tiers, and calculate the true cost of engineering time.

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GuidesJul 25, 2026 11m

7 Best Web Scraping Tools and APIs for Developers

A developer's guide to the best web scraping tools and APIs. Compare industrial-grade scrapers that handle proxy rotation, JS rendering, and CAPTCHAs.

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GuidesJul 24, 2026 11m

Markdown vs. Structured JSON: Which is Better for RAG?

Many scrapers promote HTML-to-Markdown, but is it actually best for LLMs? Discover why structured JSON outperforms Markdown for RAG pipelines by preserving metadata, stopping table breakage, and slashing token overhead.

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GuidesJul 23, 2026 10m

Build a Live Perplexity-Style Search Agent Without the Token Tax

Learn how to build a high-speed, autonomous AI search agent in Python. See how using DataBlue's structured JSON instead of raw HTML reduces LLM token costs by up to 80% and prevents context-window bloat.

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GuidesJul 22, 2026 11m

How to Extract Strict JSON Schema from Any Website?

Stop dealing with messy raw HTML and hallucinated LLM fields. Learn how to scrape any website directly to a strict, validated JSON Schema that feeds right into your database.

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GuidesJul 22, 2026 10m

Don't Blind Crawl: Using Site Maps to Save 80% on Web Data Extraction

Stop wasting credits on blind crawls. Learn how to use a website crawler API smarter: map site structures first, filter URLs, and extract only what you need.

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GuidesJul 20, 2026 10m

Why LLM Scrapers Fail at Scale: Structure vs. Raw HTML

Why converting raw HTML to Markdown isn't enough for production LLMs. Learn how structured, token-optimized JSON payloads save 80% on token costs and eliminate RAG hallucinations.

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