We understand Google update: All you need to know about Useful Content updates (HCU)

Article image We understand Google update: All you need to know about Useful Content updates (HCU)
Article image We understand Google update: All you need to know about Useful Content updates (HCU)
Publication date:13.09.2025
Blog category: SEO and Promotion

Google updates very often force SEO specialists to doubt the update of useful content (HCU). It is important to understand that the "black box" is a system where we see what is input (entry) and what goes out (exit), but we cannot understand what is happening inside. This is how the Google algorithm works, which contains literally a thousand processes.

"Announced in 2022 as" Useful Content Upgrade ", it was a system designed to better provide what people see original, useful content written by people for people, in search results, not content, created mainly for traffic from search engines. Presenting useful results to users. ”

🚀 HCU was integrated into the main Google algorithm in March 2024 and no longer exists as a separate system. It now exists as part of an algorithm of ranking among other ranking algorithms. This means that it is not a separate system that affects sites several times a year. This is now integrated into ranking systems that work constantly.

  • 📌 It is important to understand that it is impossible to assert with 100% confidence that HCU is a reason why any particular site has lost its rating when updating the basic algorithm. It is impossible to separate the effect of HCU signals from hundreds or thousands of other signals.

FAQ

What is a "black box"?

It is a system where we see what is entered (entry) and what goes out (output), but we cannot understand what is happening inside.

What is HCU?

It is a system that has been developed by Google for people to see an original, useful content written in people in the search.

How does HCU affect the website rating?

HCU was integrated into the main Google algorithm in March 2024 and affects the site constantly, not several times a year, as before.

🧩 Summary: This article explains what Google updates for useful content (HCU) is how it affects the site rating and how to understand this impact. Google algorithm works on the principle of a "black box", so it is important to consider this when observing changes in the site rating.
🧠 Own considerations: Understanding Google algorithms can help SEO specialists understand how the site rating is formed, and optimize content according to this. It is always important to remember that Google's main purpose is to provide useful content for users, not for search engines. Therefore, when creating content, you should focus on its usefulness for people, not on its optimization for search engines.