Radcliffe.edu

Radcliffe.edu Overview

Radcliffe.edu belongs to AMAZON-AES - Amazon.com, Inc., US. Check the list of other websites hosted by AMAZON-AES - Amazon.com, Inc., US.

In terms of rank-to-traffic ratio, radcliffe.edu has 8,590 unique users per day, viewing 34,703 pages. The rank based value of radcliffe.edu is 52,540 USD. Every user makes 4.32 pageviews on average.

Radcliffe.edu boasts a link base consisting of 524 referring domains and 609 external backlinks, as revealed by the data obtained from web network scanning.

Radcliffe.edu top-level domain belongs to .EDU domain zone. Check other webpages in .EDU zone.

According the last verification test in July 20, 2020, radcliffe.edu has an expired SSL certificate issued by Let's Encrypt (expired on August 24, 2020). 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, Symantec and Web of Trust radcliffe.edu is a fairly safe domain.

Based on Mobile-Friendly test by Google radcliffe.edu 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.

Radcliffe.edu Website Safety

Overview

Last Updated: 12/26/2024

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: 01/05/2024

radcliffe.edu is safe.

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

Google Safe Search

Last Updated: 12/26/2024

Not yet checked.

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: 12/28/2019

radcliffe.edu 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: 12/27/2020

radcliffe.edu is safe.

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

Web of Trust

Last Updated: 12/27/2019

radcliffe.edu child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	radcliffe.edu
Issuer Organization	Let's Encrypt
Issuer	Let's Encrypt Authority X3
Algorithm	RSA-SHA256
Valid form	05/26/2020
Expiration	08/24/2020
Signed	Certificate is not self signed
Additional Domains	radcliffe.edu radcliffe.harvard.edu www.radcliffe.edu www.radcliffe.harvard.edu

Radcliffe.edu Rank History

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

Radcliffe.edu Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 14618

ASN Title: AMAZON-AES - Amazon.com, Inc., US

Last Update: 06/11/2024

#
# 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: 14618
ASName: AMAZON-AES
ASHandle: AS14618
RegDate: 2005-11-04
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/14618

OrgName: Amazon.com, Inc.
OrgId: AMAZO-4
Address: Amazon Web Services, Inc.
Address: P.O. Box 81226
City: Seattle
StateProv: WA
PostalCode: 98108-1226
Country: US
RegDate: 2005-09-29
Updated: 2017-01-28
Comment: For details of this service please see
Comment: http://ec2.amazonaws.com/
Ref: https://rdap.arin.net/registry/entity/AMAZO-4

OrgNOCHandle: AANO1-ARIN
OrgNOCName: Amazon AWS Network Operations
OrgNOCPhone: +1-206-266-4064
OrgNOCEmail: amzn-noc-contact@amazon.com
OrgNOCRef: https://rdap.arin.net/registry/entity/AANO1-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN

RTechHandle: ANO24-ARIN
RTechName: Amazon EC2 Network Operations
RTechPhone: +1-206-266-4064
RTechEmail: amzn-noc-contact@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/ANO24-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.
#

Radcliffe.edu Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

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: RADCLIFFE.EDU

Registrant:
Radcliffe College
10 Garden Street
Cambridge, MA 02138
USA

Administrative Contact:
Luke Sullivan
Harvard University
60 Oxford Street
Cambridge, MA 02138
USA
+1.6173846640
luke_sullivan@harvard.edu

Technical Contact:
Network Operations
Harvard University
HUIT Network Services
60 Oxford Street
Cambridge, MA 02138
USA
+1.6174957777
netmanager@harvard.edu

Name Servers:
A1-171.AKAM.NET
A16-64.AKAM.NET
A7-65.AKAM.NET
A10-66.AKAM.NET
A11-67.AKAM.NET
A6-66.AKAM.NET

Domain record activated: 25-Jan-1996
Domain record last updated: 02-Jun-2023
Domain expires: 31-Jul-2026

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Radcliffe.edu HTML Check

HTML Validation Tool

Errors

CSS: “width”: “device-width” is not a “width” value.

CSS: only “0” can be a “unit”. You must put a unit after your number

CSS: “font-size”: The types are incompatible.

CSS: “height”: Too many values or values are not recognized.

CSS: “overscroll-behavior”: Property “overscroll-behavior” doesn't exist.

CSS: “overflow”: “clip” is not a “overflow” value.

Attribute “g-header--video-background” not allowed on element “div” at this point.

Attribute “loading” not allowed on element “img” at this point.

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

No “p” element in scope but a “p” end tag seen.

Element “source” is missing required attribute “srcset”.

No space between attributes.

Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Attribute “era—equal” not allowed on element “img” at this point.

Attribute “rights” not allowed on element “img” at this point.

Attribute “for” not allowed on element “img” at this point.

Attribute “the” not allowed on element “img” at this point.

Attribute “unborn.""” not allowed on element “img” at this point.

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

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

The “sizes” attribute may be specified only if the “srcset” attribute is also present.

“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.

Bad value “\"https://twitter.com/Wralpheubanks\"” for attribute “href” on element “a”: Backslash ("\") used as path segment delimiter.

Bad value “\"https://twitter.com/RadInstitute\"” for attribute “href” on element “a”: Backslash ("\") used as path segment delimiter.

Bad value “\"https://twitter.com/realJennyBoylan\"” for attribute “href” on element “a”: Backslash ("\") used as path segment delimiter.

Bad value “\"https://twitter.com/washingtonpost\"” for attribute “href” on element “a”: Backslash ("\") used as path segment delimiter.

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

Bad value “\"https://twitter.com/Harvard\"” for attribute “href” on element “a”: Backslash ("\") used as path segment delimiter.

The “itemprop” attribute was specified, but the element is not a property of any item.

Warnings

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Attribute “era—equal” is not serializable as XML 1.0.

Attribute “unborn.""” is not serializable as XML 1.0.

Radcliffe.edu Desktop Performance

Last tested: 12/22/2017

Desktop Speed

64%

Optimize images

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

Minify JavaScript

Leverage browser caching

Desktop Resource Breakdown

Total Resources	104
Number of Hosts	7
Static Resources	86
JavaScript Resources	9
CSS Resources	13

Radcliffe.edu Mobile Insights

Last tested: 12/22/2017

Mobile Usability

98%

Size tap targets appropriately

Mobile Speed

50%

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

Optimize images

Minify JavaScript

Leverage browser caching

Mobile Resource Breakdown

Total Resources	105
Number of Hosts	7
Static Resources	86
JavaScript Resources	9
CSS Resources	13

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Radcliffe.edu

Radcliffe.edu Overview

Radcliffe.edu Website Safety

Radcliffe.edu Rank History

Radcliffe.edu Hosting Information

Radcliffe.edu Domain Registration and Settings

Radcliffe.edu HTML Check

Radcliffe.edu Desktop Performance

Radcliffe.edu Mobile Insights

Radcliffe.edu Similar Audits

Radcliffe.edu Common Typos