Hash scraper technology blog

Analyzing reactions to one's own and competitors' products through e-commerce review crawling.

Analyzing reactions to one's own and competitors' products through e-commerce review crawling.

Do you know what customers are saying about our products? There are hundreds of reviews on Coupang and Olive Young, but I can't read them all. When operating a beauty brand, you may have concerns l...

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How to manage global app quality through crawling app store reviews

How to manage global app quality through crawling app store reviews

How do you manage reviews from 40 countries? "The star rating suddenly dropped in the US App Store, but I don't know the reason." When operating global apps, situations like this arise. It is pract...

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Reasons why Naver crawling is blocked and solutions

Reasons why Naver crawling is blocked and solutions

Naver is not a single site. The blocking levels vary for each service. Reading Time: 14 minutes | As of January 2026 Key Summary Naver is the largest portal in the Korean search market, occupying a...

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Adding web crawling functionality to an AI agent - Complete tutorial on setting up on the MCP server

Adding web crawling functionality to an AI agent - Complete tutorial on setting up on the MCP server

If AI can directly fetch data from the web? Reading Time: 10 minutes | As of January 2026 Key Summary AI tools like ChatGPT, Claude, and Cursor are powerful, but they cannot directly access real-ti...

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Coupang Crawling 2026 Complete Guide - Everything About Akamai Bypass

Coupang Crawling 2026 Complete Guide - Everything About Akamai Bypass

"I used requests.get to fetch the Coupang product page, but only a blank page is showing up." — Question posted weekly on a developer community Reading Time: 15 minutes | As of January 2026 Key Sum...

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Real estate transaction data crawling guide - Automatic collection of apartment and officetel prices

Real estate transaction data crawling guide - Automatic collection of apartment and officetel prices

"Can I buy this apartment right now?" To answer this question, you ultimately need data. You should evaluate with numbers, not just intuition, considering factors like actual transaction trends, su...

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Automating Crawling Monitoring — How to Ensure Data Quality 24/7

Automating Crawling Monitoring — How to Ensure Data Quality 24/7

Crawling Monitoring Automation - How to Keep Data Quality 24 Hours a Day Creating a crawler is 20% of the project. The remaining 80% is operation. "One day, a well-functioning crawler suddenly star...

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Perfect summary of legal issues in web scraping - the boundary between legality and illegality

Perfect summary of legal issues in web scraping - the boundary between legality and illegality

"Can I be caught if I crawl?" This is a recurring question in the developer community. Some say, "It's public data, so it can be freely collected," while others say, "You can even face criminal pen...

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Practical guide to connecting web crawling data to RAG

Practical guide to connecting web crawling data to RAG

Practical Guide to Connecting Web Crawling Data to RAG "We want to create an AI chatbot that answers using our company's data." - We hear this request a lot these days. While ChatGPT is smart, to m...

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