mathda.com
Registered
Page analyze update date:
2026/03/28 18:59:52
Last whois update date:
2026/01/21 18:08:03
Domain Status
Registered
Paid till
28.01.2027
Available from
27.02.2027
×
![Fullscreen website screenshot]()
mathda.com Website screenshot
SEO Score
69.86%
102
Score achieved
146
Maximum score
Main Information
Title: MathDA - Online Scientific Calculator
Description: Online scientific calculator from MathDA: perform calculations with basic math to equation solver, integral, derivative, matrix, vector, statistics...
Keywords: empty
Page Encoding:
utf-8
Body and server charset are different!
Page Filesize: 40 KB
Server Information
IP: 118.69.182.153
Location: Vietnam,VN,Ho Chi Minh City,700000,10.822,106.6257,Asia/Ho_Chi_Minh
Http Server: nginx/1.27.2
Meta Tags List
- charset: utf-8
- name: viewport content: width=device-width, initial-scale=1
- name: description content: Online scientific calculator from MathDA: perform calculations with basic math to equation solver, integral, derivative, matrix, vector, statistics...
Internal Links
External Links
Whois Information
domain_name: mathda.com
update_date: 2026-01-13T19:10:37Z
update_time: 1768331437
creation_date: 2024-01-28T18:07:59Z
creation_time: 1706465279
expiration_date: 2027-01-28T18:07:59Z
Whois Raw Data
Domain Name: MATHDA.COM
Registrar: Squarespace Domains LLC
Domain Status: client delete prohibited
Domain Status: client transfer prohibited
Domain Status: client update prohibited
Creation Date: 2024-01-28T18:07:59Z
Registry Expiry Date: 2027-01-28T18:07:59Z
Updated Date: 2026-01-13T19:10:37Z
Name Server: DNS1.P03.NSONE.NET
Name Server: DNS2.P03.NSONE.NET
Name Server: DNS3.P03.NSONE.NET
Name Server: DNS4.P03.NSONE.NET
Name Server: NS01.SQUARESPACEDNS.COM
Name Server: NS02.SQUARESPACEDNS.COM
Name Server: NS03.SQUARESPACEDNS.COM
Name Server: NS04.SQUARESPACEDNS.COM
REGISTRAR Contact: Squarespace Domains LLC
>>> Last update of RDAP database: 2026-01-21T21:08:03Z
Robots.txt
User-Agent: * Allow: / Disallow: /*login Disallow: /*logout Disallow: /*register Disallow: /question/* Disallow: /*question/* Disallow: /convert/currency Disallow: /convert/currency/* Disallow: */convert/currency/* Clean-param: utm_source,utm_medium,utm_campaign,utm_term,utm_content,sourceValue Host: https://mathda.com Sitemap: https://mathda.com/sitemap-index.xml
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
!
Character Encoding
Page: utf-8, Header:
Character encoding mismatch between HTML and HTTP headers.
✓
Page Size
41485 bytes
Page size acceptable for fast loading.
✓
Resources
23 total
Moderate number of resources. Consider combining files.
✓
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
Not set
Add cache-control headers to improve loading speed for returning visitors.
✓
Page Speed
2.12 ms
Excellent loading speed.
On-Page SEO
✓
Title
MathDA - Online Scientific Calculator
Good title length (30-60 characters).
✓
Meta Description
Online scientific calculator from MathDA: perform calculations with basic math to equation solver, integral, derivative, matrix, vector, statistics... Lenght:150
Good meta description length (100-160 characters).
!
H1 Heading
6 found - "CalcES Scientific Calculator"
Use only one H1 heading per page. Remove extra H1 tags.
!
Word Count
169
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
empty
Meta keywords set (note: not used by major search engines).
Content and UX
✓
Language
en
Language attribute properly set.
✓
Images
4 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
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 |
|---|---|---|---|
| 20 | /convert/ru/typography/millimeter-to-point-postscript |
Positions in Yandex
Search Phrases - Yandex
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 1(+1) | /convert/ru/speed/meter-per-min-to-min-per-kilometer | ||
| 1 | /convert/ru/torque/deca-newton-meter-to-newton-centimeter | ||
| 1 | /convert/ru/volume/cub-kilometer-to-cub-meter | ||
| 1(+3) | /convert/ru/density/gram-per-liter-to-kilogram-per-cub-meter | ||
| 1 | /convert/ru/length/kilometer-to-mile | ||
| 1 | /tools/ru/time-calculator | ||
| 1 | /convert/ru/speed/kilometer-per-min-to-meter-per-hour | ||
| 1 | /convert/ru/speed/min-per-kilometer-to-kilometer-per-hour | ||
| 1 | /convert/ru/metrics/mega-to-kilo | ||
| 1 | /convert/ru/torque/deca-newton-meter-to-centimeter-kg-force |