Dennyzhang.com DevOps & Cloud Native | DevOps AWS, Chef, Docker, Jenkins, etc

DevOps AWS, Chef, Docker, Hadoop, etc

Dennyzhang.com Overview

Dennyzhang.com ranking shows that the page is at position 832,888 over the world.

Dennyzhang.com hosting company servers are placed in the United States, but, unfortunately, it’s not possible to identify the countries where the bulk of dennyzhang.com users come from and, therefore, we couldn’t define if the distance can influence the webpage load time. See the list of other webpages hosted on AMAZON-02 - Amazon.com, Inc., US servers.

In terms of rank-to-traffic ratio, dennyzhang.com has 630 unique users per day, viewing 881 pages. The rank based value of dennyzhang.com is 9,461 USD. Every user makes 1.51 pageviews on average.

Dennyzhang.com boasts a link base consisting of 228 referring domains and 260 external backlinks, as revealed by the data obtained from web network scanning.

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

According the last verification test in September 25, 2024, dennyzhang.com has a valid and up-to-date SSL certificate issued by Sectigo Limited , certificate expiration date: May 20, 2025. Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Sectigo Limited.

Based on data from Google Safe Browsing, Google Safe Search and Symantec dennyzhang.com is a fairly safe domain.

According the Mobile-Friendly test by Google dennyzhang.com is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Dennyzhang.com Rank Summary

Global Rank

832,888

Average Load Time

1.48sec

Links In Count

Website Value

$8,760

Audience Geography. Where are dennyzhang.com visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on dennyzhang.com?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is dennyzhang.com?

Period	Global Rank	Global Rank Delta
past 3 months	832888	-429830
past month	1447290	722756
past week	901540	-211566

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1153346	-472984	2	70%	1.4	-9.091%
30	1387830	324182	2	-32.55%	2	100%
7	745626	-559225	4	200%	3	200%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	739487	-423858	59	90%
30	1529855	929560	3	-67.353%
7	994260	65514	4	-8.531%

Dennyzhang.com Website Safety

Overview

Last Updated: 12/25/2024

Overall result - dennyzhang.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: 04/02/2024

dennyzhang.com is safe.

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

Google Safe Search

Last Updated: 01/08/2017

dennyzhang.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

dennyzhang.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: 03/02/2021

dennyzhang.com is safe.

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

Web of Trust

Last Updated: 12/25/2024

dennyzhang.com child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	dennyzhang.com
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Domain Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	05/20/2024
Expiration	05/20/2025
Signed	Certificate is not self signed
Additional Domains	dennyzhang.com www.dennyzhang.com

Dennyzhang.com Rank History

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

Dennyzhang.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 16509

ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 03/12/2024

#
# 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: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509

OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4

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

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

RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-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.
#

Dennyzhang.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: DENNYZHANG.COM
Registry Domain ID: 1853275854_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2022-09-15T23:45:03Z
Creation Date: 2014-04-03T18:54:18Z
Registry Expiry Date: 2023-04-03T18:54:18Z
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: NS29.DOMAINCONTROL.COM
Name Server: NS30.DOMAINCONTROL.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-11-18T21:01:24Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
dennyzhang.com	54.156.174.148	3600

Host	MX Record	Priority	TTL
dennyzhang.com	mx.zoho.com	10	3600
dennyzhang.com	mx2.zoho.com	20	3600
dennyzhang.com	mx3.zoho.com	50	3600

Host	NS Record	TTL
dennyzhang.com	ns29.domaincontrol.com	3600
dennyzhang.com	ns30.domaincontrol.com	3600

Host	TXT Record	TTL
dennyzhang.com	google-site-verification=4Ek1UfMccehJmgh7nt3qsXBz2i1uwGxX2UQoS0YNnMk	3600
dennyzhang.com	google-site-verification=Ca2CxyjxeZ1oMF-auQjEPxtdK4peV-oA-Sy2XgCPX0U	3600
dennyzhang.com	google-site-verification=PserR3K7l94tWFnEgXI-rmdVpY6rRKK2yEjP4XDkGOE	3600
dennyzhang.com	v=spf1 include:_spf.google.com ~all	3600

ns29.domaincontrol.com
TTL: 3600
Email address: dns.jomax.net
Serial: 2019041400
Refresh: 28800
Retry: 7200
Expire: 604800
Minimum: 600

Dennyzhang.com HTML Check

HTML Validation Tool

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

The “navigation” role is unnecessary for element “nav”.

Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).

Errors

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

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

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

Attribute “pubdate” not allowed on element “time” at this point.

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

End tag for “body” seen, but there were unclosed elements.

Unclosed element “div”.

Dennyzhang.com Desktop Performance

Last tested: 02/18/2019

Desktop Speed

69%

Enable compression

Optimize images

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

Leverage browser caching

Desktop Resource Breakdown

Total Resources	28
Number of Hosts	8
Static Resources	22
JavaScript Resources	11
CSS Resources	6

Dennyzhang.com Mobile Insights

Last tested: 02/18/2019

Mobile Usability

98%

Size tap targets appropriately

Mobile Speed

58%

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

Enable compression

Optimize images

Leverage browser caching

Mobile Resource Breakdown

Total Resources	28
Number of Hosts	8
Static Resources	22
JavaScript Resources	11
CSS Resources	6

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Dennyzhang.com DevOps & Cloud Native | DevOps AWS, Chef, Docker, Jenkins, etc

DevOps AWS, Chef, Docker, Hadoop, etc

Dennyzhang.com Overview

Dennyzhang.com Rank Summary

Dennyzhang.com Website Safety

Dennyzhang.com Rank History

Dennyzhang.com Hosting Information

Dennyzhang.com Domain Registration and Settings

Dennyzhang.com HTML Check

Dennyzhang.com Desktop Performance

Dennyzhang.com Mobile Insights

Dennyzhang.com Similar Audits

Dennyzhang.com Common Typos