duodecimal.info
Registered
Page analyze update date:
2026/03/28 17:05:54
Last whois update date:
2026/07/30 02:19:25
Domain Status
Registered
Paid till
18.10.2026
Available from
17.11.2026
×
![Fullscreen website screenshot]()
duodecimal.info Website screenshot
SEO Score
68.49%
100
Score achieved
146
Maximum score
Main Information
Title: Simple online calculator
Description: Use our convenient calculator to perform basic arithmetic operations such as addition, subtraction, multiplication, and division. Simple and user-friendly interface!
Keywords: простой, онлайн, калькулятор, алгебра, математика
Page Encoding:
utf-8
Page Filesize: 21 KB
Server Information
IP: 104.198.14.52
Location: United States,US,The Dalles,97058,45.5999,-121.1871,America/Los_Angeles
Http Server: netlify
Encoding: utf-8
Meta Tags List
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- head: ssr hid: description name: description content: Use our convenient calculator to perform basic arithmetic operations such as addition, subtraction, multiplication, and division. Simple and user-friendly interface!
- head: ssr hid: keywords name: keywords content: simple, online, calculator, algebra, mathematics
- head: ssr hid: image name: image content: /_nuxt/img/calculator-1.9123390.webp
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- head: ssr hid: og:description property: og:description content: Use our convenient calculator to perform basic arithmetic operations such as addition, subtraction, multiplication, and division. Simple and user-friendly interface!
- head: ssr hid: og:image property: og:image content: /_nuxt/img/calculator-1.9123390.webp
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Internal Links
External Links
Whois Information
domain_name: duodecimal.info
update_date: 2025-12-02T19:24:51.29Z
update_time: 1764703491
creation_date: 2021-10-18T19:23:57.048Z
creation_time: 1634585037
expiration_date: 2026-10-18T19:23:57.048Z
Whois Raw Data
Domain Name: DUODECIMAL.INFO
Registrar: GoDaddy.com, LLC
Domain Status: client delete prohibited
Domain Status: client renew prohibited
Domain Status: client transfer prohibited
Domain Status: client update prohibited
Registry Expiry Date: 2026-10-18T19:23:57.048Z
Creation Date: 2021-10-18T19:23:57.048Z
Updated Date: 2025-12-02T19:24:51.29Z
Name Server: NS75.DOMAINCONTROL.COM
Name Server: NS76.DOMAINCONTROL.COM
REGISTRAR Contact: GoDaddy.com, LLC
>>> Last update of RDAP database: 2026-07-30T02:19:25Z
Robots.txt
User-agent: * Disallow:
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
22184 bytes
Page size acceptable for fast loading.
✓
Resources
44 total
Moderate number of resources. Consider combining files.
✓
Hreflang Tags
14 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
br
Enable gzip or zstd compression to reduce file sizes.
✓
Caching
public,max-age=0,must-revalidate
Cache-control headers properly set.
✓
Page Speed
9.68 ms
Excellent loading speed.
On-Page SEO
!
Title
Simple online calculator
Title too short. Expand to 30-60 characters for better SEO.
!
Meta Description
Use our convenient calculator to perform basic arithmetic operations such as addition, subtraction, multiplication, and division. Simple and user-friendly interface! Lenght:165
Meta description too long. Reduce to 100-160 characters.
✓
H1 Heading
1 found - "Simple calculator"
Good - single H1 heading found.
!
Word Count
71
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
простой, онлайн, калькулятор, алгебра, математика
Meta keywords set (note: not used by major search engines).
Content and UX
✓
Language
en
Language attribute properly set.
✓
Images
1 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
1 JSON-LD scripts
Structured data (JSON-LD) found.
Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 2 | /birthday/ | ||
| 3(+27) | /birthday/ | ||
| 3 | /birthday/ | ||
| 3 | /birthday/ | ||
| 3(+1) | /birthday/ | ||
| 3 | /birthday/ | ||
| 3 | /birthday/ | ||
| 3 | /birthday/ | ||
| 3 | /year/ | ||
| 3 | /birthday/ |