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3dd.ru

Registered
Screenshot 3dd.ru
Website screenshot

Description of the site 3DD.Ru 3DD.Ru is an online resource specializing in providing information services in the field of scientific and educational activities. The site...

Page analyze update date: 2026/06/02 07:50:29
Last whois update date: 2026/03/28 18:39:45
Domain Status
Registered
Paid till
01.05.2026
Available from
02.06.2026

Website Description

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Description of the site 3DD.Ru

3DD.Ru is an online resource specializing in providing information services in the field of scientific and educational activities. The site is an electronic document delivery platform aimed at students, teachers, researchers and anyone else who needs quick access to academic materials.

Main theme of the site

The site belongs to the category information services for education and science. It works as an intermediary between users and the largest libraries in Russia and the CIS countries, providing access to electronic copies of articles, fragments of books, dissertations and other scientific and technical materials.

Key services

  • Electronic delivery of documents - users can order electronic copies of the necessary materials, which will be sent by email or through their personal account.
  • Bibliographic services - assistance in finding sources, preparing references, preparing reference lists.
  • Search for documents in libraries - the company’s specialists conduct a comprehensive search for information based on customer requests.
  • Creating electronic archives and home libraries - the ability to organize and store important documents in digital form.

Company information

The site belongs to the company Optimal-PRO LLC, which has been operating since 1999. The company has an official address in Moscow and provides contact information: telephone, email and physical address. The site also indicates the date of the last information update - October 12, 2025, which indicates support for the resource.

Target audience

The service is focused on:

  • students of higher educational institutions;
  • graduate and doctoral students;
  • research staff;
  • teachers and teaching staff;
  • everyone who needs quick access to scientific literature.

Availability and convenience

The website contains instructions for working with the service, sections “Receive an order” and “Place an order”, which simplifies interaction with the company. The interface is focused on ease of use, and availability of pricing and service information allows customers to make informed decisions.

Conclusion: The 3DD.Ru website is a reliable and professional service for obtaining electronic documents from library collections. It plays an important role in supporting scientific and educational activities, providing access to rare and hard-to-find materials.

SEO Score
39.73%
58
Score achieved
146
Maximum score

Main Information

ℹ️
Title: 3DD.Ru
Description: text/html
Keywords: HTML5,CSS3,Template
Page Encoding: utf-8 Body and server charset are different!
Page Filesize: 9 KB

Server Information

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IP: 46.138.248.188
Location: Russia,RU,Moscow,102590,55.7487,37.6187,Europe/Moscow
Http Server: lighttpd/1.4.76

Meta Tags List

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Internal Links

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Whois Information

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domain_name: 3dd.ru
taxpayer_id: 7716185860
update_date: on
update_time:
creation_date: 2006-05-01T20:00:00Z
creation_time: 1146513600

Whois Raw Data

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            domain:        3DD.RU
nserver: ns3-l2.nic.ru.
nserver: ns4-cloud.nic.ru.
nserver: ns4-l2.nic.ru.
nserver: ns8-cloud.nic.ru.
nserver: ns8-l2.nic.ru.
state: REGISTERED, DELEGATED, VERIFIED
org: Ltd "Optimal PRO"
taxpayer-id: 7716185860
registrar: RU-CENTER-RU
admin-contact: https://www.nic.ru/whois
created: 2006-05-01T20:00:00Z
paid-till: 2026-05-01T21:00:00Z
free-date: 2026-06-02
source: TCI
Last updated on 2026-03-28T18:38:01Z

Robots.txt

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			User-agent: *
Disallow: /assets/
Disallow: /css/
Disallow: /images/
Disallow: /js/
Disallow: /lib/
Disallow: /tls/
Disallow: /content/*.txt
Allow: /content/*.pdf
Disallow: /*.gif$/
Disallow: /*.tif$/
Disallow: /*.tiff$/
Disallow: /*.jpg$/
Disallow: /*.jpeg$/
Disallow: /*.png$/
Disallow: /BankPd4sber.html/
Disallow: /BankSNG.html/
Disallow: /BankPd4sber.html/
Disallow: /oferta.html/        

SEO Audit

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Technical SEO

Response Code
200
Status 200 OK - page loads correctly.
!
Character Encoding
Page: utf-8, Header:
Character encoding mismatch between HTML and HTTP headers.
Page Size
10187 bytes
Page size acceptable for fast loading.
Resources
15 total
Optimal number of resources.
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
Not detected
Enable gzip or zstd compression to reduce file sizes.
!
Caching
Not set
Add cache-control headers to improve loading speed for returning visitors.
Page Speed
2.63 ms
Excellent loading speed.

On-Page SEO

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Title
3DD.Ru
Title too short. Expand to 30-60 characters for better SEO.
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Meta Description
text/html Lenght:9
Meta description too short. Expand to 100-160 characters.
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H1 Heading
0 found - ""
Add exactly one H1 heading with primary keywords.
!
Word Count
48
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
HTML5,CSS3,Template
Meta keywords set (note: not used by major search engines).

Content and UX

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Language
Add lang attribute to tag for accessibility and SEO.
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Images
2 total, 2 missing ALT
Add ALT text to images for accessibility and SEO.
Viewport
width=device-width, maximum-scale=1, initial-scale=1, user-scalable=0
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
1www 3dd/
44ооо оптималь/

Additional Services

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