Allencheng.com Home - Allen Cheng

Allen Cheng's personal website. Co-Founder of PrepScholar. Book summaries and startup notes published here. Harvard/MIT grad.


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.44 sec.
Last Checked: 11/14/2024

Allencheng.com traffic volume is 1,518 unique daily visitors and their 2,126 pageviews. The web value rate of allencheng.com is 42,179 USD. Each visitor makes around 1.50 page views on average.

By Alexa's traffic estimates allencheng.com placed at 19,334 position over the world, while the largest amount of its visitors comes from United States, where it takes 111,930 place.

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

The last verification results, performed on (June 08, 2021) allencheng.com show that allencheng.com has an expired SSL certificate issued by CloudFlare, Inc. (expired on October 11, 2021). 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, Google Safe Search and Symantec allencheng.com is pretty a safe domain.

Relying Google MobileFriendly test allencheng.com is well optimized for mobile and tablet devices.


Global Rank
345,452
Average Load Time
3.10sec
Links In Count
54
Website Value
$39,420

Overview
Last Updated: 11/14/2024
Overall result - allencheng.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: 02/05/2024
allencheng.com is safe.
Norton ConnectSafe evaluates allencheng.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 12/05/2017
allencheng.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
allencheng.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: 03/13/2021
allencheng.com is safe.
McAfee assesses allencheng.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 allencheng.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 11/14/2024
allencheng.com child safety is unknown.
The WOT calculates reputation of the allencheng.com. This reputation system receives ratings from users and information from third-party sources, assesses the allencheng.com for safety features and confirms, whether allencheng.com is suitable for children.

SSL Information
Domainsni.cloudflaressl.com
Issuer OrganizationCloudFlare, Inc.
IssuerCloudflare Inc ECC CA-3
Algorithmecdsa-with-SHA256
Valid form10/11/2020
Expiration10/11/2021
SignedCertificate is not self signed
Additional Domains allencheng.com
sni.cloudflaressl.com
*.allencheng.com
Server Location

ASN Information

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

Last Update: 03/23/2024

#
# 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: 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.
#

WHOIS

Domain Name: ALLENCHENG.COM
Registry Domain ID: 1553612508_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.fastdomain.com
Registrar URL: http://www.fastdomain.com
Updated Date: 2023-05-11T02:30:45Z
Creation Date: 2009-04-27T05:08:20Z
Registry Expiry Date: 2024-04-27T05:08:20Z
Registrar: FastDomain Inc.
Registrar IANA ID: 1154
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: ALGIN.NS.CLOUDFLARE.COM
Name Server: CORTNEY.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2023-12-26T11:59:01Z


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Errors
Warnings

Last tested: 04/03/2019

Desktop
Desktop Speed
80%

Desktop Resource Breakdown
Total Resources52
Number of Hosts21
Static Resources39
JavaScript Resources27
CSS Resources9

Last tested: 04/03/2019

Mobile
Mobile Usability
94%
Mobile Speed
63%

Mobile Resource Breakdown
Total Resources53
Number of Hosts21
Static Resources40
JavaScript Resources27
CSS Resources9
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