Classroom20.com Classroom 2.0

The community for educators using Web 2.0 and collaborative technologies!

Classroom20.com Overview

Classroom20.com ranking shows that the page is at position 707,383 over the world, while the bulk of its audience is from United States, where it ranks 269,337.

It is beneficial to classroom20.com that their hosting company NING - Ning Interactive, Inc., US servers are located in United States, as that reduces page load time for the majority of their users. See the list of other webpages hosted on NING - Ning Interactive, Inc., US servers.

In terms of rank-to-traffic ratio, classroom20.com has 691 unique users per day, viewing 1,035 pages. The rank based value of classroom20.com is 9,461 USD. Every user makes 1.62 pageviews on average.

Classroom20.com boasts a link base consisting of 580 referring domains and 682 external backlinks, as revealed by the data obtained from web network scanning.

Classroom20.com top-level domain belongs to .COM domain zone. Check other webpages in .COM zone.

According the last verification test in August 12, 2022, classroom20.com has an expired SSL certificate issued by Let's Encrypt (expired on October 01, 2022). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust classroom20.com is a fairly safe domain.

Based on Mobile-Friendly test by Google classroom20.com is poorly optimized for mobile phones and tablets. Remember that optimizing your website design for mobile devices ensures that all of your web pages perform well on all devices, page loading speed can also be accelerated.

Classroom20.com Rank Summary

Global Rank

707,383

Average Load Time

1.71sec

Links In Count

953

Website Value

$8,760

Audience Geography. Where are classroom20.com visitors located?

Country	Visitors
United States US	45.9%
Philippines PH	6.3%
Russian Federation RU	1.1%
Other	46.7%

Country	Pageviews
United States US	56.8%
Philippines PH	3.9%
Russian Federation RU	0.7%
Other	38.5%

Country	Rank
Philippines PH	55274
United States US	269337
Russian Federation RU	1110830

Where do visitors go on classroom20.com?

Subdomain	Pageviews
classroom20.com	92.58%
other	7.43%

Subdomain	Pageviews per User
classroom20.com	1.6

Subdomain	Reach
classroom20.com	91.85%

How popular is classroom20.com?

Period	Global Rank	Global Rank Delta
past 3 months	707383	204377
past month	715935	64498
past week	803334	78053
yesterday	814328	458323

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	981945	294438	3	-38.19%	1.5	-7.595%
30	953912	24518	3	-0.691%	1.6	10%
7	1042678	-73871	3	10%	2	50%
1	984922	584526	2	-76.64%	1	-58.333%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	629818	172797	69	-33.17%
30	658974	85318	67	-13.18%
7	739966	138166	6	-27.9%
1	639238	260311	9	-43.89%

Classroom20.com Website Safety

Overview

Last Updated: 12/26/2024

Overall result - classroom20.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: 03/27/2024

classroom20.com is safe.

Norton ConnectSafe evaluates classroom20.com for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 11/18/2016

classroom20.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

classroom20.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: 02/26/2021

classroom20.com is safe.

McAfee assesses classroom20.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 classroom20.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

classroom20.com child safety is very good.

The WOT calculates reputation of the classroom20.com. This reputation system receives ratings from users and information from third-party sources, assesses the classroom20.com for safety features and confirms, whether classroom20.com is suitable for children.

SSL Information

SSL Checker Tool

Domain	classroom20.com
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	07/03/2022
Expiration	10/01/2022
Signed	Certificate is not self signed
Additional Domains	classroom20.com www.classroom20.com

Classroom20.com Rank History

Alexa Rank shows how popular classroom20.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If classroom20.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 classroom20.com and pageviews on classroom20.com over the past 3 months.

Classroom20.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13535

ASN Title: NING - Ning Interactive, Inc., US

Last Update: 07/21/2024

#
# 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: 13535
ASName: NING
ASHandle: AS13535
RegDate: 2007-06-06
Updated: 2018-04-04
Ref: https://rdap.arin.net/registry/autnum/13535

OrgName: Ning Interactive, Inc.
OrgId: NI-411
Address: 2850 HORIZON RIDGE PKWY STE #200
City: HENDERSON
StateProv: NV
PostalCode: 89052
Country: US
RegDate: 2018-03-27
Updated: 2018-03-27
Ref: https://rdap.arin.net/registry/entity/NI-411

OrgNOCHandle: NINGN-ARIN
OrgNOCName: Ning Netops
OrgNOCPhone: +1-650-561-7100
OrgNOCEmail: netops@ning.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NINGN-ARIN

OrgTechHandle: RVM7-ARIN
OrgTechName: Moroz, Roman V
OrgTechPhone: +380-67-7116380
OrgTechEmail: roman.moroz@gmail.com
OrgTechRef: https://rdap.arin.net/registry/entity/RVM7-ARIN

OrgTechHandle: AVB1-ARIN
OrgTechName: Baurin, Andrew Viktorovich
OrgTechPhone: +380504840363
OrgTechEmail: andrew.baurin@ning.com
OrgTechRef: https://rdap.arin.net/registry/entity/AVB1-ARIN

OrgTechHandle: MSY11-ARIN
OrgTechName: Yarchevsky, Max S
OrgTechPhone: +1-646-374-2002
OrgTechEmail: max@ning.com
OrgTechRef: https://rdap.arin.net/registry/entity/MSY11-ARIN

OrgAbuseHandle: NINGA-ARIN
OrgAbuseName: NING Abuse
OrgAbusePhone: +1-650-561-7100
OrgAbuseEmail: abuse@ning.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NINGA-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.
#

Classroom20.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: CLASSROOM20.COM
Registry Domain ID: 664830728_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2022-09-17T19:07:31Z
Creation Date: 2006-11-09T19:24:22Z
Registry Expiry Date: 2024-11-09T19:24:22Z
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: NS09.DOMAINCONTROL.COM
Name Server: NS10.DOMAINCONTROL.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-26T03:29:31Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
classroom20.com	208.82.16.68	600

Host	MX Record	Priority	TTL

Host	NS Record	TTL
classroom20.com	ns10.domaincontrol.com	3600
classroom20.com	ns09.domaincontrol.com	3600

Host	TXT Record	TTL

ns09.domaincontrol.com
TTL: 3600
Email address: dns.jomax.net
Serial: 2018041100
Refresh: 28800
Retry: 7200
Expire: 604800
Minimum: 600

Classroom20.com HTML Check

HTML Validation Tool

Errors

Attribute “xmlns:og” not allowed here.

Bad value “screen,projection” for attribute “media” on element “style”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.

Attribute “_hint” not allowed on element “input” at this point.

Attribute “dojotype” not allowed on element “li” at this point.

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

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

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

Stray end tag “input”.

The “font” element is obsolete. Use CSS instead.

The “align” attribute on the “td” element is obsolete. Use CSS instead.

The “center” element is obsolete. Use CSS instead.

Attribute “_snid” not allowed on element “a” at this point.

Attribute “dojotype” not allowed on element “a” at this point.

Attribute “_joinprompttext” not allowed on element “a” at this point.

Attribute “_hassignup” not allowed on element “a” at this point.

Attribute “_signinurl” not allowed on element “a” at this point.

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

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

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

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

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

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

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

The “big” element is obsolete. Use CSS instead.

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

Attribute “alt” not allowed on element “a” at this point.

Bad value “dofollow” for attribute “rel” on element “a”: The string “dofollow” is not a registered keyword.

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

Bad value “//t.insigit.com/457c26e9bfb940b938245ed4695cead2/8fa427bf6de170faefe32330e3b4b102?n_seg=_education&n_name=Classroom 2.0” for attribute “src” on element “img”: Illegal character in query: space is not allowed.

Warnings

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Classroom20.com Desktop Performance

Last tested: 11/20/2018

Desktop Speed

61%

Optimize images

Enable compression

Avoid landing page redirects

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

Leverage browser caching

Minify JavaScript

Minify CSS

Desktop Resource Breakdown

Total Resources	116
Number of Hosts	14
Static Resources	80
JavaScript Resources	22
CSS Resources	9

Classroom20.com Mobile Insights

Last tested: 11/20/2018

Mobile Usability

59%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Avoid plugins

Size content to viewport

Mobile Speed

45%

Avoid landing page redirects

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

Optimize images

Enable compression

Leverage browser caching

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	116
Number of Hosts	14
Static Resources	81
JavaScript Resources	22
CSS Resources	9

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Classroom20.com Classroom 2.0

The community for educators using Web 2.0 and collaborative technologies!

Classroom20.com Overview

Classroom20.com Rank Summary

Classroom20.com Website Safety

Classroom20.com Rank History

Classroom20.com Hosting Information

Classroom20.com Domain Registration and Settings

Classroom20.com HTML Check

Classroom20.com Desktop Performance

Classroom20.com Mobile Insights

Classroom20.com Similar Audits

Classroom20.com Common Typos