classpert.com ▷ Classpert | Project-based master classes for complex topics

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.65 sec.
Last Checked: 04/29/2024

Classpert.com traffic volume is 2,561 unique daily visitors and their 5,121 pageviews. The web value rate of classpert.com is 3,852 USD. Each visitor makes around 2.14 page views on average.

Classpert.com belongs to CLOUDFLARENET - Cloudflare, Inc., US. Check the list of other websites hosted by CLOUDFLARENET - Cloudflare, Inc., US.

Classpert.com registered under .COM top-level domain. Check other websites in .COM zone.

The last verification results, performed on (November 25, 2019) classpert.com show that classpert.com has an expired SSL certificate issued by CloudFlare, Inc. (expired on August 19, 2020). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by CloudFlare, Inc..

In accordance with Google Safe Browsing and Symantec classpert.com is pretty a safe domain.

Relying Google MobileFriendly test classpert.com is not well optimized for mobiles and tablets. Designing your sites to be mobile friendly ensures that all of your web pages perform well on all devices, also website page loading time may be improved.

Classpert.com General Information

not found

Classpert.com Safety Information

Overview

Last Updated: 04/29/2024

Unknown status.

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: 11/15/2023

classpert.com is safe.

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

Google Safe Search

Last Updated: 04/29/2024

Unknown status.

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: 05/21/2019

classpert.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: 10/13/2020

classpert.com is safe.

McAfee assesses classpert.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 classpert.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 04/29/2024

classpert.com child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	classpert.com
Issuer Organization	CloudFlare, Inc.
Issuer	CloudFlare Inc ECC CA-2
Algorithm	ecdsa-with-SHA256
Valid form	08/20/2019
Expiration	08/19/2020
Signed	Certificate is not self signed
Additional Domains	benchmark.classpert.com classpert.com es.classpert.com raven-god.classpert.com shields.classpert.com *.classpert.com account.classpert.com metabase.classpert.com staging.classpert.com users.classpert.com i18n.classpert.com pt-br.classpert.com dashboard.classpert.com api.classpert.com rest.classpert.com

Classpert.com Server Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335
ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 08/01/2023

ASN Whois

#
# 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: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-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.
#

Classpert.com Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: CLASSPERT.COM
Registry Domain ID: 2295455505_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2021-08-10T13:54:43Z
Creation Date: 2018-08-09T16:38:37Z
Registry Expiry Date: 2022-08-09T16:38:37Z
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: VIOLET.NS.CLOUDFLARE.COM
Name Server: WOZ.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-08-03T12:52:41Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Classpert.com HTML Validation

HTML Validation Tool

Errors

Missing space before doctype name.

Nameless doctype.

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

Bad value “apple-touch-ic8080on” for attribute “rel” on element “link”: The string “apple-touch-ic8080on” is not a registered keyword.

A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon” or the value “apple-touch-icon-precomposed”.

Bad value “(device-width: 320px) and (device-height: 568px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 375px) and (device-height: 667px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 414px) and (device-height: 896px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 375px) and (device-height: 812px) and (-webkit-device-pixel-ratio: 3) and (orientation: portrait)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 414px) and (device-height: 736px) and (-webkit-device-pixel-ratio: 3) and (orientation: portrait)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 414px) and (device-height: 896px) and (-webkit-device-pixel-ratio: 3) and (orientation: portrait)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 768px) and (device-height: 1024px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 834px) and (device-height: 1112px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 834px) and (device-height: 1194px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 1024px) and (device-height: 1366px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 810px) and (device-height: 1080px) and (-webkit-device-pixel-ratio: 2) and (orientation: portrait)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 320px) and (device-height: 568px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 375px) and (device-height: 667px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 414px) and (device-height: 896px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 375px) and (device-height: 812px) and (-webkit-device-pixel-ratio: 3) and (orientation: landscape)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 414px) and (device-height: 736px) and (-webkit-device-pixel-ratio: 3) and (orientation: landscape)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 414px) and (device-height: 896px) and (-webkit-device-pixel-ratio: 3) and (orientation: landscape)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 768px) and (device-height: 1024px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 834px) and (device-height: 1112px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 834px) and (device-height: 1194px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 1024px) and (device-height: 1366px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “(device-width: 810px) and (device-height: 1080px) and (-webkit-device-pixel-ratio: 2) and (orientation: landscape)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.

Bad value “top-navbar” for attribute “role” on element “div”.

Element “div” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)

Bad value “246px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.

Bad value “40px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.

Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

Duplicate attribute “class”.

Warnings

The “type” attribute is unnecessary for JavaScript resources.

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.

Classpert.com Desktop Insights

No data

Classpert.com Mobile Insights

No data

Classpert.com Typos

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Classpert.com Classpert | Project-based master classes for complex topics

Our project-based learning programs are designed to make even the most complicated and abstract subject accessible and easy to understand. Exp...

Quick Summary

Classpert.com General Information

Classpert.com Safety Information

Classpert.com Server Information

Classpert.com Domain Name Information

Classpert.com HTML Validation

Classpert.com Desktop Insights

Classpert.com Mobile Insights

Classpert.com Nearest Competitors

Classpert.com Typos