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R

ru.periodic-table.io

Registered
Screenshot ru.periodic-table.io
Website screenshot
Page analyze update date: 2026/04/01 00:06:23
Last whois update date: 2026/06/08 14:49:32
Domain Status
Registered
Paid till
21.02.2028
Available from
22.03.2028
SEO Score
71.23%
104
Score achieved
146
Maximum score

Main Information

ℹ️
Title: Периодическая Таблица - Периодическая Таблица
Description: Интерактивная периодическая таблица химических элементов; Свойства, история, происхождение названия, факты, применение, изотопы, электронная конфигурация, кристаллическая структура, опасности и прочее.
Keywords: Периодическая Таблица, Периодическая Таблица, chemical, Элементы, interactive, PWA, Свойства, Применения, История, Изотопы, Электронная конфигурация, Электронов на оболочку, name origin, images, hazards, diagram, chemistry, information
Page Encoding: utf-8
Page Filesize: 716 KB

Server Information

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IP: 216.24.57.251
Location: United States,US,37.751,-97.822,America/Chicago
Http Server: cloudflare
Encoding: utf-8

Meta Tags List

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Internal Links

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External Links

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Whois Information

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domain_name: periodic-table.io
domain_id: REDACTED
update_date: 2026-01-22T04:46:37Z
update_time: 1769057197
creation_date: 2018-02-21T20:10:26Z
creation_time: 1519243826

Whois Raw Data

📋
            Domain Name: periodic-table.io
Registry Domain ID: REDACTED
Registrar WHOIS Server: whois.porkbun.com
Registrar URL: http://porkbun.com
Updated Date: 2026-01-22T04:46:37Z
Creation Date: 2018-02-21T20:10:26Z
Registry Expiry Date: 2028-02-21T20:10:26Z
Registrar: Porkbun LLC
Registrar IANA ID: 1861
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.8557675286
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED
Registrant Name: REDACTED
Registrant Organization: Private by Design, LLC
Registrant Street: REDACTED
Registrant City: REDACTED
Registrant State/Province: NC
Registrant Postal Code: REDACTED
Registrant Country: US
Registrant Phone: REDACTED
Registrant Phone Ext: REDACTED
Registrant Fax: REDACTED
Registrant Fax Ext: REDACTED
Registrant Email: REDACTED
Registry Admin ID: REDACTED
Admin Name: REDACTED
Admin Organization: REDACTED
Admin Street: REDACTED
Admin City: REDACTED
Admin State/Province: REDACTED
Admin Postal Code: REDACTED
Admin Country: REDACTED
Admin Phone: REDACTED
Admin Phone Ext: REDACTED
Admin Fax: REDACTED
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Admin Email: REDACTED
Registry Tech ID: REDACTED
Tech Name: REDACTED
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Tech Street: REDACTED
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Tech State/Province: REDACTED
Tech Postal Code: REDACTED
Tech Country: REDACTED
Tech Phone: REDACTED
Tech Phone Ext: REDACTED
Tech Fax: REDACTED
Tech Fax Ext: REDACTED
Tech Email: REDACTED
Name Server: gerald.ns.cloudflare.com
Name Server: demi.ns.cloudflare.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://icann.org/wicf/
>>> Last update of WHOIS database: 2026-06-08T14:49:31Z

Robots.txt

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			Sitemap: https://ru.periodic-table.io/sitemap.xml
User-agent: * 
Crawl-Delay: 20

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
733381 bytes
Page size acceptable for fast loading.
!
Resources
60 total
Too many resources. Optimize and combine files for better performance.
✓
Hreflang Tags
45 hreflang tags
Hreflang tags found for multilingual SEO.
✓
Robots.txt
Exists
Robots.txt file found.
✓
Sitemap
Declared in robots.txt
Sitemap declared in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
!
Compression
br
Enable gzip or zstd compression to reduce file sizes.
✓
Caching
public, max-age=0, s-maxage=300
Cache-control headers properly set.
✓
Page Speed
1.18 ms
Excellent loading speed.

On-Page SEO

✓
Title
Периодическая Таблица - Периодическая Таблица
Good title length (30-60 characters).
!
Meta Description
Интерактивная периодическая таблица химических элементов; Свойства, история, происхождение названия, факты, применение, изотопы, электронная конфигурация, кристаллическая структура, опасности и прочее. Lenght:201
Meta description too long. Reduce to 100-160 characters.
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H1 Heading
5 found - "Периодическая Таблица"
Use only one H1 heading per page. Remove extra H1 tags.
✓
Word Count
6885
Content very comprehensive. Consider breaking into multiple pages if too long.
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Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
Периодическая Таблица, Периодическая Таблица, chemical, Элементы, interactive, PWA, Свойства, Применения, История, Изотопы, Электронная конфигурация, Электронов на оболочку, name origin, images, hazards, diagram, chemistry, information
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
Viewport meta tag properly set for mobile devices.
✓
Open Graph
All OG tags present.
All essential OpenGraph tags present.
!
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
1таблица no/element-102
1калий номер/element-19
2(+2)серебро число/element-47
2li таблица/element-3
2li периодическая система/element-3
2мышьяк число/element-33
2(+1)азот число/element-7
2номер ряда mg/element-12
2калий температура/element-19
2калий 19/element-19

Positions in Yandex

Search Phrases - Yandex

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Position Phrase Page Snippet
139 4 be/element-4

Additional Services

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