learndb.ru
Registered
Page analyze update date:
2026/03/30 23:15:37
Last whois update date:
2026/03/14 10:43:32
Domain Status
Registered
Paid till
19.11.2026
Available from
20.12.2026
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learndb.ru Website screenshot
SEO Score
56.85%
83
Score achieved
146
Maximum score
Main Information
Title: LearnDB учебник и онлайн курсы SQL СУБД PostgreSQL
Description: Онлайн курсы и учебник по SQL. Недорогие курсы, для новичков и профессионалов. Курс разбит на небольшие блоки, после каждого блока знания закрепляются практическими заданиями.
Keywords: SQL, курсы, онлайн курсы, учебник по SQL
Page Encoding:
unknown
Body and server charset are different!
Page Filesize: 98 KB
Server Information
IP: 130.193.41.244
Location: Russia,RU,,,55.7386,37.6068,Europe/Moscow
Http Server: nginx/1.14.0 (ubuntu)
Encoding: utf-8
Powered by: express
Meta Tags List
- name: viewport content: width=device-width, initial-scale=1, shrink-to-fit=no
- name: description content: Онлайн курсы и учебник по SQL. Недорогие курсы, для новичков и профессионалов. Курс разбит на небольшие блоки, после каждого блока знания закрепляются практическими заданиями.
- name: keywords content: SQL, курсы, онлайн курсы, учебник по SQL
- name: theme-color content: #ffffff
- name: yandex-verification content: d68b0efdba500b4a
- name: wmail-verification content: b6f363c8f29a1dfc5e0a19be0bb8d717
- name: google-site-verification content: v6NhvFVuWhNCXlQ7F345ZjM64flge3AviIvKBsUxn4E
Internal Links
External Links
Whois Information
domain_name: learndb.ru
update_date: on
update_time:
creation_date: 2017-11-19T17:24:10Z
creation_time: 1511112250
expiration_date: 2026-11-19T17:24:10Z
Whois Raw Data
domain: LEARNDB.RU
nserver: kolomna.ens.mail.ru.
nserver: orenburg.ens.mail.ru.
state: REGISTERED, DELEGATED, UNVERIFIED
person: Private Person
registrar: RU-CENTER-RU
admin-contact: https://www.nic.ru/whois
created: 2017-11-19T17:24:10Z
paid-till: 2026-11-19T17:24:10Z
free-date: 2026-12-20
source: TCI
Last updated on 2026-03-14T10:43:02Z
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
!
Character Encoding
Page: , Header: utf-8
Character encoding mismatch between HTML and HTTP headers.
✓
Page Size
100731 bytes
Page size acceptable for fast loading.
✓
Resources
44 total
Moderate number of resources. Consider combining files.
✓
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
!
Robots.txt
Missing
Add robots.txt file to control search engine crawling.
!
Sitemap
Not found
Add sitemap.xml and reference it in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
✓
Compression
gzip
Gzip or Zstd compression enabled for faster loading.
!
Caching
Not set
Add cache-control headers to improve loading speed for returning visitors.
✓
Page Speed
1.22 ms
Excellent loading speed.
On-Page SEO
✓
Title
LearnDB учебник и онлайн курсы SQL СУБД PostgreSQL
Good title length (30-60 characters).
!
Meta Description
Онлайн курсы и учебник по SQL. Недорогие курсы, для новичков и профессионалов. Курс разбит на небольшие блоки, после каждого блока знания закрепляются практическими заданиями. Lenght:175
Meta description too long. Reduce to 100-160 characters.
✓
H1 Heading
1 found - "Онлайн курс по SQL"
Good - single H1 heading found.
!
Word Count
478
Content somewhat short. Expand to 500+ words for optimal SEO.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
SQL, курсы, онлайн курсы, учебник по SQL
Meta keywords set (note: not used by major search engines).
Content and UX
✓
Language
ru
Language attribute properly set.
!
Images
25 total, 1 missing ALT
Add ALT text to images for accessibility and SEO.
✓
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
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 1 | /articles/article/15 | ||
| 1 | /articles/article/90 | ||
| 1 | /articles/article/16 | ||
| 2 | /articles/article/61 | ||
| 3(-2) | /articles/article/15 | ||
| 3 | /articles/article/29 | ||
| 3 | /articles/article/50 | ||
| 3 | /articles/article/39 | ||
| 3 | /articles/article/12... | ||
| 3 | /articles/article/76 |
Positions in Yandex
Search Phrases - Yandex
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 7 | /articles/article/61 |