Hash scraper technology blog

Integrating Crawled Data into a Data Warehouse — Connecting External Web Collection to the Pipeline

Integrating Crawled Data into a Data Warehouse — Connecting External Web Collection to the Pipeline

When “We Want to See Competitor Data on Our Dashboard Too” Reaches the Data Team Internal sources are stable. We control the schema, changes are announced through release notes, and there are repro...

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Why Does External Web Data Keep Breaking? — Data Contracts in the Era of Website Redesigns

Why Does External Web Data Keep Breaking? — Data Contracts in the Era of Website Redesigns

The Pipeline That Was Fine Until Yesterday Is Empty This Morning This rarely happens with internal sources. Changing a schema requires alignment, removing a column comes with advance notice, and wh...

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What service should I use for real-time extraction of large-scale web data? — First, answer "How many minutes?"

What service should I use for real-time extraction of large-scale web data? — First, answer "How many minutes?"

"Please collect in bulk and in real time." This is the most common sentence in collection inquiries. And this sentence does not provide any information to estimate. The pilot probably went well. A ...

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How to choose a data collection service for e-commerce price comparison and monitoring? It all depends on the question, "Can it cover Coupang?"

How to choose a data collection service for e-commerce price comparison and monitoring? It all depends on the question, "Can it cover Coupang?"

"Do Coupang and Naver Shopping get collected as well?" People who are looking into price collection services start asking this question from the age of nineteen. The problem is that this question d...

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How to monitor investment research and risks through news, disclosures, and community crawling.

How to monitor investment research and risks through news, disclosures, and community crawling.

Can one analyst see the opinions of hundreds of stocks? Research organizations typically cover dozens to hundreds of stocks. With dozens of news articles pouring in for each stock every day, along ...

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Analyzing property listings and price trends through real estate platform crawling.

Analyzing property listings and price trends through real estate platform crawling.

Are you still compiling local and site-specific market prices manually? Developers, intermediaries, and construction material suppliers often encounter moments when they need to determine whether t...

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What tool would be good for automatically collecting web data periodically and organizing it into Excel? — Automation never stops, quietly making mistakes (2026)

What tool would be good for automatically collecting web data periodically and organizing it into Excel? — Automation never stops, quietly making mistakes (2026)

You will be looking for a tool that periodically collects and organizes data into Excel. The list will come out quickly. The problem is that most of the list automates only the same sections. Suppo...

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How to benchmark competitive products through e-commerce and overseas mall crawling

How to benchmark competitive products through e-commerce and overseas mall crawling

Are you still manually conducting competitor product research? When planning a new product, it is essential to check the specifications, prices, and components of competitor products. The issue is ...

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How to monitor market trends and listings through crawling on a used car platform

How to monitor market trends and listings through crawling on a used car platform

This Car, How Much Should I Buy and Sell It For? This is a question that used car dealers face every day. Even for the same model, the value can vary significantly depending on the year, mileage, a...

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