www.vcalc.com
Registered
Page analyze update date:
2026/01/16 11:44:07
Last whois update date:
2026/03/17 17:47:41
Domain Status
Registered
Paid till
16.04.2026
Available from
16.05.2026
×
![Fullscreen website screenshot]()
www.vcalc.com Website screenshot
SEO Score
34.93%
51
Score achieved
146
Maximum score
Main Information
Title: vCalc
Description: unknown
Keywords: unknown
Page Encoding:
unknown
Body and server charset are different!
Page Filesize: 46 KB
Server Information
IP: 104.130.42.18
Location: United States,US,,,37.751,-97.822,America/Chicago
Http Server: jetty(9.4.36.v20210114)
Encoding: utf-8
Internal Links
External Links
Whois Information
domain_name: vcalc.com
update_date: 2025-04-16T16:48:22Z
update_time: 1744822102
creation_date: 1999-04-16T04:00:00Z
creation_time: 924235200
expiration_date: 2026-04-16T04:00:00Z
Whois Raw Data
Domain Name: VCALC.COM
Registrar: GoDaddy.com, LLC
Domain Status: client delete prohibited
Domain Status: client renew prohibited
Domain Status: client transfer prohibited
Domain Status: client update prohibited
Creation Date: 1999-04-16T04:00:00Z
Registry Expiry Date: 2026-04-16T04:00:00Z
Updated Date: 2025-04-16T16:48:22Z
Name Server: DNS1.STABLETRANSIT.COM
Name Server: DNS2.STABLETRANSIT.COM
REGISTRAR Contact: GoDaddy.com, LLC
>>> Last update of RDAP database: 2026-03-17T17:47:41Z
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
!
Character Encoding
Page: , Header: utf-8
Character encoding mismatch between HTML and HTTP headers.
✓
Page Size
47964 bytes
Page size acceptable for fast loading.
!
Resources
54 total
Too many resources. Optimize and combine files for better performance.
✓
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
!
Robots.txt
Missing
Add robots.txt file to control search engine crawling.
!
Sitemap
Not found
Add sitemap.xml and reference it in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
✓
Compression
gzip
Gzip or Zstd compression enabled for faster loading.
✓
Caching
no-cache
no-store
Cache-control headers properly set.
✓
Page Speed
4.02 ms
Excellent loading speed.
On-Page SEO
!
Title
vCalc
Title too short. Expand to 30-60 characters for better SEO.
!
Meta Description
Lenght:0
Add a meta description (100-160 characters recommended).
!
H1 Heading
0 found - ""
Add exactly one H1 heading with primary keywords.
!
Word Count
155
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
Meta keywords are optional (not used by major search engines).
Content and UX
!
Language
Add lang attribute to tag for accessibility and SEO.
!
Images
34 total, 34 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 |
|---|---|---|---|
| 1 | /equation/?uuid=824b... |