diskra.ru
Registered
Page analyze update date:
2026/03/28 18:57:34
Last whois update date:
2026/03/14 17:04:17
Domain Status
Registered
Paid till
13.10.2026
Available from
13.11.2026
×
![Fullscreen website screenshot]()
diskra.ru Website screenshot
SEO Score
65.07%
95
Score achieved
146
Maximum score
Main Information
Title: Дискретная математика для студентов, программистов и чайников
Description: Дискретная математика для студентов, преподавателей, программистов и для чайников с подробными примерами и решениями задач.
Keywords: empty
Page Encoding:
utf-8
Page Filesize: 18 KB
Server Information
IP: 31.192.111.134
Location: Russia,RU,Moscow,102590,55.7487,37.6187,Europe/Moscow
Http Server: nginx
Encoding: utf-8
Powered by: php/7.3.27
Meta Tags List
- equiv: Content-Type content: text/html; charset=utf-8
- name: description content: Дискретная математика для студентов, преподавателей, программистов и для чайников с подробными примерами и решениями задач.
Internal Links
External Links
Whois Information
domain_name: diskra.ru
update_date: on
update_time:
creation_date: 2016-10-13T10:55:03Z
creation_time: 1476356103
expiration_date: 2026-10-13T10:55:03Z
Whois Raw Data
domain: DISKRA.RU
nserver: ns1.registrant.ru.
nserver: ns2.registrant.ru.
nserver: ns3.registrant.ru.
state: REGISTERED, DELEGATED, VERIFIED
person: Private Person
registrar: NETHOUSE-RU
admin-contact: https://domains.nethouse.ru/whois/form
created: 2016-10-13T10:55:03Z
paid-till: 2026-10-13T10:55:03Z
free-date: 2026-11-13
source: TCI
Last updated on 2026-03-14T17:03:01Z
Robots.txt
User-agent: * Host: diskra.ru Sitemap: http://diskra.ru/sitemap.xml
SEO Audit
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
18813 bytes
Page size acceptable for fast loading.
✓
Resources
17 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
Declared in robots.txt
Sitemap declared in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
✓
Compression
gzip
Gzip or Zstd compression enabled for faster loading.
✓
Caching
no-store, no-cache, must-revalidate
Cache-control headers properly set.
✓
Page Speed
4.64 ms
Excellent loading speed.
On-Page SEO
!
Title
Дискретная математика для студентов, программистов и чайников
Title too long. Reduce to 30-60 characters to avoid truncation.
✓
Meta Description
Дискретная математика для студентов, преподавателей, программистов и для чайников с подробными примерами и решениями задач. Lenght:123
Good meta description length (100-160 characters).
✓
H1 Heading
1 found - "Дискретная математика"
Good - single H1 heading found.
!
Word Count
487
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
empty
Meta keywords set (note: not used by major search engines).
Content and UX
!
Language
Add lang attribute to tag for accessibility and SEO.
!
Images
3 total, 3 missing ALT
Add ALT text to images for accessibility and SEO.
!
Viewport
Add viewport meta tag for mobile responsiveness.
!
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 |
|---|---|---|---|
| 3(-1) | /reshenie_zadach/?le... | ||
| 3 | /reshenie_zadach/?le... | ||
| 4 | /reshenie_zadach/?le... | ||
| 6 | /reshenie_zadach/?le... | ||
| 7(-4) | /reshenie_zadach/?le... | ||
| 7 | /alg/?lesson=6&id=24 | ||
| 7 | /reshenie_zadach/?le... | ||
| 8(-2) | /alg/?lesson=10&id=5... | ||
| 8 | /reshenie_zadach/?le... | ||
| 8(-4) | /reshenie_zadach/?le... |
Positions in Yandex
Search Phrases - Yandex
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 3 | /reshenie_zadach/?le... | ||
| 4 | /reshenie_zadach/?le... | ||
| 4 | /reshenie_zadach/?le... | ||
| 5 | /reshenie_zadach/?le... | ||
| 5 | /reshenie_zadach/?le... | ||
| 5 | /reshenie_zadach/?le... | ||
| 6 | /reshenie_zadach/?le... | ||
| 7 | /reshenie_zadach/?le... | ||
| 8 | /reshenie_zadach/?le... | ||
| 8 | /reshenie_zadach/?le... |