chalcedon.edu

Quick Summary

Online Status

UNKNOWN

Over the time chalcedon.edu has been ranked as high as 90,414 in the world, while most of its traffic comes from United States, where it reached as high as 407,134 position.

Chalcedon.edu receives about 442 unique visitors and 796 pageviews per day. The estimated value of chalcedon.edu is 5,840 USD. Each unique visitor makes about 1.8 pageviews on average.

Chalcedon.edu is registered under .EDU top-level domain. Check other websites in .EDU zone.

At the time of the last check (June 19, 2019) chalcedon.edu has an expired SSL certificate (expired on October 30, 2019).

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust chalcedon.edu is quite a safe domain.

Mobile-Friendly test indicates that chalcedon.edu is well optimized for mobile and tablet devices, however website page loading time could be improved.

Chalcedon.edu General Information

Global Rank

854,818

Average Load Time

2.20sec

Links In Count

389

Website Value

$5,840

Audience Geography. Where are chalcedon.edu visitors located?

Country	Rank
United States US	407134

Country	Percent of Pageviews
United States US	39.4%
Other	60.6%

Country	Percent of Visitors
United States US	47.4%
Other	53.2%

Where do visitors go on chalcedon.edu?

Subdomain	Pageviews
chalcedon.edu	100%

Subdomain	Pageviews per User
chalcedon.edu	1

Subdomain	Reach
chalcedon.edu	100%

How popular is chalcedon.edu?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	806573	361475	5	-52.57%
30	874252	56995	47	-5.473%
7	594118	-523493	9	100%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1074833	539952	2	-61.129%	1.8	-17.67%
30	1504329	762564	2	-62.081%	1	-59.797%
7	903764	-1036781	3	200%	1	40%

Period	Global Rank	Global Rank Delta
past 3 months	854818	403600
past month	1036949	283084
past week	653998	-703881

Chalcedon.edu Alexa Rank History

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

Chalcedon.edu Safety Information

Overview

Last Updated: 05/04/2024

Overall result - "chalcedon.edu" 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: 03/31/2024

chalcedon.edu is safe.

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

Google Safe Search

Last Updated: 12/22/2016

chalcedon.edu 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

Malware not found at "chalcedon.edu".
"chalcedon.edu" is not a phishing page.
"chalcedon.edu" does not install unwanted software.
"chalcedon.edu" does not contain harmfull applications.
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: 03/01/2021

chalcedon.edu is safe.

McAfee assesses chalcedon.edu 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 chalcedon.edu for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/11/2019

chalcedon.edu child safety isvery good.

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

SSL Information

SSL Checker Tool

Domain	sni222161.cloudflaressl.com
Issuer	COMODO ECC Domain Validation Secure Server CA 2
Algorithm	ecdsa-with-SHA256
Valid form	04/23/2019
Expiration	10/30/2019
Signed	Certificate is not self signed
Additional Domains	sni222161.cloudflaressl.com .bankovskaya-garantiya-samara.ru .chalcedon-archive.com .chalcedon.edu .clean-direct.ru .jaredsimpsondds.com .ruland.koeln .sertsro.ru .sro-rossii.ru *.tedcreativegroup.com.au bankovskaya-garantiya-samara.ru chalcedon-archive.com chalcedon.edu clean-direct.ru jaredsimpsondds.com ruland.koeln sertsro.ru sro-rossii.ru tedcreativegroup.com.au

Chalcedon.edu Server Information

Server Location

Geolocation Tool

Not Found

ASN Information

ASN Lookup Tool

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

Last Update: 01/08/2024

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.
#

Chalcedon.edu Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

This Registry database contains ONLY .EDU domains.
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.

The EDUCAUSE Whois database is authoritative for the
.EDU domain.

A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu

By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail. The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.

-------------------------------------------------------------

Domain Name: CHALCEDON.EDU

Registrant:
Chalcedon
POBox 158
3900 Highway 4
Vallecito, CA 95251
USA

Administrative Contact:
Mark Rushdoony
Chalcedon
P.O. Box 158
3900 Highway 4
Vallecito, CA 95251
USA
+1.2097364365
mark@chalcedon.edu

Technical Contact:
Jill Rouse
Chalcedon Foundation
P.O. Box 158
Vallecito, CA 95251
USA
+1.1209736436512
orders@chalcedon.edu

Name Servers:
JO.NS.CLOUDFLARE.COM
HENRY.NS.CLOUDFLARE.COM

Domain record activated: 03-May-1995
Domain record last updated: 26-Sep-2021
Domain expires: 31-Jul-2022

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Chalcedon.edu HTML Validation

HTML Validation Tool

Errors

Bad value “https://fonts.googleapis.com/css?family=Open+Sans:400,400i,600,600i,700|Sorts+Mill+Goudy” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.

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

Attribute “v-cloak” not allowed on element “div” at this point.

Attribute “v-model” not allowed on element “input” at this point.

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

Attribute “v-if” not allowed on element “div” at this point.

Attribute “v-for” not allowed on element “div” at this point.

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

Attribute “v-html” not allowed on element “a” 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.

Attribute “v-show” not allowed on element “div” at this point.

Attribute “@click” not allowed on element “button” at this point.

Attribute “v-show” not allowed on element “button” at this point.

Attribute “if” not allowed on element “template” at this point.

Attribute “v-show” not allowed on element “span” at this point.

Attribute “:data-srcset” not allowed on element “img” at this point.

Element “img” is missing required attribute “src”.

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

Attribute “v-html” not allowed on element “p” at this point.

Attribute “v-else-if” not allowed on element “div” at this point.

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

Attribute “v-for” not allowed on element “li” at this point.

Attribute “:class” not allowed on element “button” at this point.

Attribute “:class” not allowed on element “aside” at this point.

Attribute “v-if” not allowed on element “template” at this point.

Attribute “v-else-if” not allowed on element “template” at this point.

Warnings

Attribute “@keyup” is not serializable as XML 1.0.

Attribute “:href” is not serializable as XML 1.0.

Attribute “@click” is not serializable as XML 1.0.

Attribute “:class” is not serializable as XML 1.0.

Empty heading.

Attribute “:data-srcset” is not serializable as XML 1.0.

Attribute “:name” is not serializable as XML 1.0.

Attribute “:value” is not serializable as XML 1.0.

Attribute “@change” is not serializable as XML 1.0.

Attribute “:model” is not serializable as XML 1.0.

Attribute “:facet-name” is not serializable as XML 1.0.

Attribute “:parent-is-refined” is not serializable as XML 1.0.

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

Chalcedon.edu Desktop Insights

Desktop Page Insights Tool

Last tested: 06/19/2019

Desktop

Desktop Speed

61%

Optimize images

Leverage browser caching

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

Minify JavaScript

Reduce server response time

Minify HTML

Desktop Resource Breakdown

Total Resources	56
Number of Hosts	12
Static Resources	35
JavaScript Resources	14
CSS Resources	3

Chalcedon.edu Mobile Insights

Mobile Page Insights Tool

Last tested: 07/08/2019

Mobile

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

52%

Optimize images

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

Leverage browser caching

Minify JavaScript

Reduce server response time

Minify HTML

Mobile Resource Breakdown

Total Resources	56
Number of Hosts	13
Static Resources	35
JavaScript Resources	14
CSS Resources	3

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Chalcedon.edu Home

Quick Summary

Chalcedon.edu General Information

Chalcedon.edu Alexa Rank History

Chalcedon.edu Safety Information

Chalcedon.edu Server Information

Chalcedon.edu Domain Name Information

Chalcedon.edu HTML Validation

Chalcedon.edu Desktop Insights

Chalcedon.edu Mobile Insights

Chalcedon.edu Nearest Competitors

Chalcedon.edu Typos