Vcalc.com vCalc

Vcalc.com Overview

Website Overview: vcalc.com

vCalc is a website that provides a user-friendly platform for various mathematical calculations. It caters to a wide range of users, with an average of 1877 unique visitors per day. The website has a total of 3754 page views, indicating an engaged audience who explore multiple pages on the site.

The site is hosted by RACKSPACE - Rackspace Hosting, which is a reputable hosting provider based in the United States. This ensures reliable performance and uptime for vCalc users. The top-level domain for the website is .COM, indicating that it is an international platform accessible to users worldwide.

To ensure a secure browsing experience, vCalc has obtained a SSL (Secure Sockets Layer) certificate from GoDaddy.com, Inc. This adds an additional layer of protection to user data during transmission, ensuring confidentiality and integrity.

As for its family-friendliness, vCalc is primarily a mathematical resource website and does not contain explicit or inappropriate content. However, the suitability for family and children may vary depending on the specific calculations being performed. Parents are advised to supervise and guide younger users to appropriate content.

Regarding performance, PageSpeed Insights scores vCalc at 42 out of 100 for speed. While there is room for improvement, this score can be influenced by various factors such as the complexity of mathematical calculations and the nature of the website's design. The development team could enhance the user experience by optimizing page loading times and streamlining code.

In terms of popularity, vCalc has a substantial online presence with 1216 external backlinks and 988 referring domains. This indicates that other websites find vCalc's content valuable and relevant, linking back to it as a trusted resource. These backlinks and referring domains contribute to vCalc's credibility and authority in the online mathematical community.

In conclusion, vCalc is a reputable, family-friendly website that offers a user-friendly platform for various mathematical calculations. With a significant number of daily unique users, reliable hosting, SSL certification, and a strong online presence, vCalc is a valuable resource for individuals, students, and professionals in need of mathematical calculations. There is room for improvement in terms of website speed, which can further enhance the overall user experience.

Vcalc.com Rank Summary

Global Rank

181,195

Average Load Time

3.58sec

Links In Count

Website Value

$65,766

Audience Geography. Where are vcalc.com visitors located?

Country	Visitors
United States US	40.9%
Other	59.2%

Country	Pageviews
United States US	41.5%
Other	58.4%

Country	Rank
United States US	111112

Where do visitors go on vcalc.com?

Subdomain	Pageviews
vcalc.com	100%

Subdomain	Pageviews per User
vcalc.com	1.8

Subdomain	Reach
vcalc.com	100%

How popular is vcalc.com?

Period	Global Rank	Global Rank Delta
past 3 months	181195	-32157
past month	257512	41281
past week	404432	144789

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	239975	-124428	19	75%	2	80%
30	350623	56994	12	-32.08%	1.8	-4.19%
7	454789	116243	8	-32.03%	2	10%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	171624	1820	35	-2.53%
30	238181	35879	22	-28.92%
7	403141	149430	1	-38.8%

Vcalc.com Website Safety

Overview

Last Updated: 09/21/2024

Overall result - vcalc.com is safe.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 02/06/2024

vcalc.com is safe.

Norton ConnectSafe evaluates vcalc.com for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 02/04/2017

vcalc.com is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

vcalc.com is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 01/18/2021

vcalc.com is safe.

McAfee assesses vcalc.com for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze vcalc.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 09/21/2024

vcalc.com child safety is unknown.

The WOT calculates reputation of the vcalc.com. This reputation system receives ratings from users and information from third-party sources, assesses the vcalc.com for safety features and confirms, whether vcalc.com is suitable for children.

SSL Information

SSL Checker Tool

Domain	www.vcalc.com
Issuer Organization	GoDaddy.com, Inc.
Issuer	Go Daddy Secure Certificate Authority - G2
Algorithm	RSA-SHA256
Valid form	04/08/2019
Expiration	04/10/2021
Signed	Certificate is not self signed
Additional Domains	www.vcalc.com vcalc.com

Vcalc.com Rank History

Alexa Rank shows how popular vcalc.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If vcalc.com has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to vcalc.com and pageviews on vcalc.com over the past 3 months.

Vcalc.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 27357

ASN Title: RACKSPACE - Rackspace Hosting, US

Last Update: 03/12/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 27357
ASName: RACKSPACE
ASHandle: AS27357
RegDate: 2003-02-20
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/27357

Rackspace Hosting (RACKS-8)

OrgTechHandle: ZR9-ARIN
OrgTechName: Rackspace, com
OrgTechPhone: +1-210-312-4000
OrgTechEmail: hostmaster@rackspace.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZR9-ARIN

OrgTechHandle: HANSE157-ARIN
OrgTechName: Hansell, Chris
OrgTechPhone: +1-210-312-4000
OrgTechEmail: hostmaster@rackspace.com
OrgTechRef: https://rdap.arin.net/registry/entity/HANSE157-ARIN

OrgTechHandle: IPADM17-ARIN
OrgTechName: IPADMIN
OrgTechPhone: +1-210-312-4000
OrgTechEmail: hostmaster@rackspace.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPADM17-ARIN

OrgAbuseHandle: ABUSE45-ARIN
OrgAbuseName: Abuse Desk
OrgAbusePhone: +1-210-312-4000
OrgAbuseEmail: abuse@rackspace.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE45-ARIN

OrgNOCHandle: HANSE157-ARIN
OrgNOCName: Hansell, Chris
OrgNOCPhone: +1-210-312-4000
OrgNOCEmail: hostmaster@rackspace.com
OrgNOCRef: https://rdap.arin.net/registry/entity/HANSE157-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Vcalc.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: VCALC.COM
Registry Domain ID: 5347123_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2022-09-16T00:27:43Z
Creation Date: 1999-04-16T04:00:00Z
Registry Expiry Date: 2025-04-16T04:00:00Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: 480-624-2505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: DNS1.STABLETRANSIT.COM
Name Server: DNS2.STABLETRANSIT.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-11-17T07:32:18Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
vcalc.com	104.130.42.18	300

Host	MX Record	Priority	TTL
vcalc.com	alt4.aspmx.l.google.com	10	300
vcalc.com	alt3.aspmx.l.google.com	10	300
vcalc.com	alt2.aspmx.l.google.com	5	300
vcalc.com	alt1.aspmx.l.google.com	5	300
vcalc.com	aspmx.l.google.com	1	300

Host	NS Record	TTL
vcalc.com	dns2.stabletransit.com	300
vcalc.com	dns1.stabletransit.com	300

Host	TXT Record	TTL
vcalc.com	google-site-verification=o1-mizdoDCRoekmlr-0kbHuiERLCFL0WyZHi6CDkQbE	300

ns.rackspace.com
TTL: 300
Email address: adam.siegel.vcalc.com
Serial: 1538833725
Refresh: 21600
Retry: 3600
Expire: 1814400
Minimum: 500

Vcalc.com HTML Check

HTML Validation Tool

Errors

Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)

Obsolete doctype. Expected “<!DOCTYPE html>”.

Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.

Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.

Bad value “reply-to” for attribute “http-equiv” on element “meta”.

Bad value “true” for attribute “required” on element “input”.

Duplicate attribute “type”.

Attribute “method” not allowed on element “div” at this point.

Bad value “https://www.blogger.com/blog-this.g?n=WebHome&b=<a href='https://www.vcalc.com/wiki/home/'> https://www.vcalc.com/wiki/home/</a><br/>” for attribute “href” on element “a”: Illegal character in query: “<” is not allowed.

Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.

The element “button” must not appear as a descendant of the “a” element.

End tag “div” seen, but there were open elements.

Unclosed element “main”.

Stray end tag “button”.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Stray end tag “main”.

The element “header” must not appear as a descendant of the “footer” element.

Stray end tag “div”.

The “for” attribute of the “label” element must refer to a non-hidden form control.

The “aria-labelledby” attribute must point to an element in the same document.

Warnings

The “main” role is unnecessary for element “main”.

Vcalc.com Desktop Performance

Last tested: 02/18/2019

Desktop Speed

57%

Leverage browser caching

Optimize images

Avoid landing page redirects

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Reduce server response time

Enable compression

Minify JavaScript

Minify CSS

Minify HTML

Desktop Resource Breakdown

Total Resources	97
Number of Hosts	20
Static Resources	68
JavaScript Resources	41
CSS Resources	13

Vcalc.com Mobile Insights

Last tested: 02/18/2019

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

42%

Avoid landing page redirects

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Optimize images

Reduce server response time

Enable compression

Minify JavaScript

Minify CSS

Minify HTML

Mobile Resource Breakdown

Total Resources	95
Number of Hosts	21
Static Resources	67
JavaScript Resources	39
CSS Resources	13

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Vcalc.com vCalc

Vcalc.com Overview

Vcalc.com Rank Summary

Vcalc.com Website Safety

Vcalc.com Rank History

Vcalc.com Hosting Information

Vcalc.com Domain Registration and Settings

Vcalc.com HTML Check

Vcalc.com Desktop Performance

Vcalc.com Mobile Insights

Vcalc.com Similar Audits

Vcalc.com Common Typos