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4stu.ru

Registered
Screenshot 4stu.ru
Website screenshot

4stu. ru is a site that seems to have grown out of student life, where everyone knows what it’s like to struggle with problems in mathematical analysis or try to understand why this or that algorit...

Page analyze update date: 2026/03/29 01:59:16
Last whois update date: 2026/03/14 23:39:22
Domain Status
Registered
Paid till
14.03.2026
Available from
14.04.2026

Website Description

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4stu. ru is a site that seems to have grown out of student life, where everyone knows what it’s like to struggle with problems in mathematical analysis or try to understand why this or that algorithm is needed in computer science. No, this is not just another platform with ready-made answers. This is a real support cluster, where student helps student, no matter what university you study at.

What exactly does 4stu do. ru?

The site is a kind of digital room where you can find solutions to many textbooks on key subjects: physics, mathematics, English, computer science, TV and MS. Yes, yes, even those most complex topics that seem incomprehensible to the end - there is a written train of thought, step by step. Sometimes it seems like someone sat quietly at night and wrote all this especially for you. It’s not for nothing that on the About page of the site it is written that herestudents help students. Simple, without unnecessary pretentiousness.

Using the site is a pleasure. You select a subject from above, then find your textbook, click on the assignment number - and there you have it, the solution. Sometimes you even think: I would never do that myself. But now I understand. Or at least started to figure it out. Everything is done as simply as possible. No interface overload. Not a single extra button. Only what is needed.

What does the site look like from the inside?

The text on the main page speaks for itself - it is alive, not dry. You can feel the personality behind this project. There are minor typos and missing commas, but this only adds to the naturalness. It was like someone was writing at 1am because they were already tired but still wanted to share. This is not an advertising machine. It's like an old friend who knows you're struggling with a physics test and is ready to help.

I wonder how long it took to create such a resource? How many people worked on it? Who is behind 4stu anyway? ru? No, no contact information. Perhaps this is for the best - then no one can take away the idea. And the site remains clean, real, without outside influence. Even licensed online casinos at the end of the text are strange, but this is also part of the image. Maybe just a separate section for those who want to relax a little after the exam.

  • Answers with detailed solutions
  • Works with many textbooks
  • Easy navigation: subject textbook assignment number
  • Site created by students, for students
  • Does not require registration

Why is this site special?

The thing is that it does not position itself as the best, most powerful or universal. He just is. And it works. Just like that. No extra promises. Sometimes you want to believe that such sites exist only in dreams. But they exist. And 4stu. ru is one of them.

Perhaps you are thinking: are there really correct answers? What if there is a mistake? Well, can you really expect a perfect solution from a student? Still better than nothing. Plus, if you made a mistake somewhere, you can correct it. The main thing is to make it clear how to get to the answer. It's not about the result itself, but about the process. About how you learn to think. And this is more important than any points.

Frequently asked questions

Does the site really have all the answers with solutions?

Yes, for the most part yes. There are many solutions to many textbooks on Mathanu physics and other subjects. It’s not a fact that everything is covered, but almost everything you need is here. If something is missing, perhaps they will add it.

Do I need to register?

No, registration is not required. You can go straight to viewing solutions. No complications, not a bit of formality.

How to find the right textbook?

Simply select the subject from above - for example, Physics or Computer Science. Next, look for your textbook in the list. Click on the task number and the solution will open.

Is the site free? Or paid?

The text does not say anything about paid sections. It looks like all the content is open source. But if payments appear somewhere, this is not mentioned anywhere.

Why is the site called 4stu. ru?

Most likely, this is an abbreviation: four students - four students. Or just a pretty name. It all depends on who was behind the project. True, no one speaks directly.

Such sites are rarely real. And this one seems to have survived in a world where everything is quickly lost. He lives his life, helps those who need it. Sometimes it feels like he was made for you. Just because you're here. And you read these lines. Well, maybe not even by chance.

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SEO Score
75.34%
110
Score achieved
146
Maximum score

Main Information

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Title: Главная - 4stu.ru - Ответы с решениями для студентов
Description: Всё для студента! Ответы с подробными решениями на многие учебники, онлайн калькуляторы и полезные файлы - всё что нужно при получении высшего образования
Keywords: empty
Page Encoding: utf-8
Page Filesize: 8 KB

Server Information

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IP: 172.67.179.172
Location: ,,,,,,
Http Server: cloudflare
Encoding: utf-8

Meta Tags List

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Internal Links

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Whois Information

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domain_name: 4stu.ru
update_date: on
update_time:
creation_date: 2025-03-14T14:01:03Z
creation_time: 1741960863
expiration_date: 2026-03-14T14:01:03Z

Whois Raw Data

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            domain:        4STU.RU
nserver: aria.ns.cloudflare.com.
nserver: kenneth.ns.cloudflare.com.
state: REGISTERED, DELEGATED, VERIFIED
person: Private Person
registrar: SALENAMES-RU
admin-contact: https://partner.salenames.ru/contact_admin.khtml
created: 2025-03-14T14:01:03Z
paid-till: 2026-03-14T14:01:03Z
free-date: 2026-04-14
source: TCI
Last updated on 2026-03-14T23:38:01Z

Robots.txt

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			User-agent: *
Disallow: /10ftmngr/
Disallow: /goto/        

SEO Audit

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Technical SEO

Response Code
200
Status 200 OK - page loads correctly.
Character Encoding
Page: utf-8, Header: utf-8
Character encoding consistent between HTML and headers.
Page Size
9064 bytes
Page size acceptable for fast loading.
Resources
30 total
Moderate number of resources. Consider combining files.
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
Robots.txt
Exists
Robots.txt file found.
!
Sitemap
Not found
Add sitemap.xml and reference it in robots.txt.
HTTPS
Yes
Secure HTTPS connection enabled.
Compression
zstd
Gzip or Zstd compression enabled for faster loading.
!
Caching
Not set
Add cache-control headers to improve loading speed for returning visitors.
Page Speed
2.62 ms
Excellent loading speed.

On-Page SEO

Title
Главная - 4stu.ru - Ответы с решениями для студентов
Good title length (30-60 characters).
Meta Description
Всё для студента! Ответы с подробными решениями на многие учебники, онлайн калькуляторы и полезные файлы - всё что нужно при получении высшего образования Lenght:154
Good meta description length (100-160 characters).
H1 Heading
1 found - " 4stu.ru"
Good - single H1 heading found.
!
Word Count
72
Content very short. Aim for at least 500 words for better SEO.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
Duplicate Meta
[]
No duplicate meta tags found.
Keywords
empty
Meta keywords set (note: not used by major search engines).

Content and UX

Language
ru
Language attribute properly set.
Images
0 total, 0 missing ALT
All images have proper ALT text.
Viewport
width=device-width, initial-scale=1, shrink-to-fit=no
Viewport meta tag properly set for mobile devices.
!
Open Graph
Missing: og:title, og:description, og:image, og:url
Add missing OpenGraph tags for social media sharing: og:title, og:description, og:image, og:url
!
Structured Data
0 JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.

Positions in Google

Search Phrases - Google

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Position Phrase Page Snippet
1три одинаковых шарика/physics/pract-elect...
1металлический шар радиусом 10 см/physics/pract-elect...
1шар радиусом 10 см равномерно/physics/pract-elect...
1рамка площадью s/physics/pract-elect...
1орловская учебник вузов/english/orlovskaya
1гдз английский для технических вузов/english/orlovskaya
1в колебательном контуре индуктивностью 0 4/physics/pract-elect...
1английский язык упражнение 29/english/orlovskaya/...
1точка начинает движение/physics/pract-mecha...
1диаметр молекулы принять/physics/pract-molec...

Positions in Yandex

Search Phrases - Yandex

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Position Phrase Page Snippet
5упростить выражение a b a b/teorver/distance-ma...
7номер 2 32/physics/irodov/2.32
11м действует/physics/pract-mecha...
13найди d 4/teorver/distance-ma...

Additional Services

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