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www.standarddeviationcalculator.io

Registered
Screenshot www.standarddeviationcalculator.io
Website screenshot
Page analyze update date: 2026/06/05 05:03:45
Last whois update date: 2026/07/31 15:30:01
Domain Status
Registered
Paid till
05.01.2028
Available from
04.02.2028
SEO Score
76.71%
112
Score achieved
146
Maximum score

Main Information

ℹ️
Title: Standard Deviation Calculator - Sample/Population
Description: Use this standard deviation calculator to find the standard deviation, variance, sum, mean, and sum of differences for the sample/population data set.
Keywords: unknown
Page Encoding: utf-8
Page Filesize: 112 KB

Server Information

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IP: 104.21.30.48
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: standarddeviationcalculator.io
domain_id: REDACTED
update_date: 2026-01-15T08:54:30Z
update_time: 1768467270
creation_date: 2021-01-05T09:32:31Z
creation_time: 1609839151

Whois Raw Data

📋
            Domain Name: standarddeviationcalculator.io
Registry Domain ID: REDACTED
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: https://www.namecheap.com/
Updated Date: 2026-01-15T08:54:30Z
Creation Date: 2021-01-05T09:32:31Z
Registry Expiry Date: 2028-01-05T09:32:31Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.9854014545
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED
Registrant Name: REDACTED
Registrant Organization: Privacy service provided by Withheld for Privacy ehf
Registrant Street: REDACTED
Registrant City: REDACTED
Registrant State/Province: Capital Region
Registrant Postal Code: REDACTED
Registrant Country: IS
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
Admin Fax Ext: REDACTED
Admin Email: REDACTED
Registry Tech ID: REDACTED
Tech Name: REDACTED
Tech Organization: REDACTED
Tech Street: REDACTED
Tech City: REDACTED
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: tina.ns.cloudflare.com
Name Server: nash.ns.cloudflare.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://icann.org/wicf/
>>> Last update of WHOIS database: 2026-07-31T15:30:00Z

Robots.txt

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			User-agent: *
Disallow:

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
114732 bytes
Page size acceptable for fast loading.
!
Resources
88 total
Too many resources. Optimize and combine files for better performance.
✓
Hreflang Tags
7 hreflang tags
Hreflang tags found for multilingual SEO.
✓
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
no-cache, private
Cache-control headers properly set.
✓
Page Speed
1.17 ms
Excellent loading speed.

On-Page SEO

✓
Title
Standard Deviation Calculator - Sample/Population
Good title length (30-60 characters).
✓
Meta Description
Use this standard deviation calculator to find the standard deviation, variance, sum, mean, and sum of differences for the sample/population data set. Lenght:150
Good meta description length (100-160 characters).
✓
H1 Heading
1 found - "Standard Deviation Calculator"
Good - single H1 heading found.
✓
Word Count
701
Good content length (500-2000 words recommended).
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
Meta keywords are optional (not used by major search engines).

Content and UX

✓
Language
en
Language attribute properly set.
!
Images
47 total, 1 missing ALT
Add ALT text to images for accessibility and SEO.
✓
Viewport
width=device-width, initial-scale=1.0
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
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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
1найдите дисперсию 2 2 2 2/ru/variance-calcula...
1найдите дисперсию 1 1 2/ru/variance-calcula...
1дисперсия 2 3/ru/variance-calcula...
1дисперсия 2 5/ru/variance-calcula...
1дисперсия 5 5 5 5 3/ru/variance-calcula...
1дисперсия 3 3 6/ru/variance-calcula...
1дисперсия 1 3 5 1 3/ru/variance-calcula...
1дисперсия 7 2 2/ru/variance-calcula...
1дисперсия 1 0 1/ru/variance-calcula...
1дисперсия 3 0 3/ru/variance-calcula...

Additional Services

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