diangon.com ▷ 电工学习网-专业电工基础知识和电工技术学习网站

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.74 sec.
Last Checked: 08/17/2025

Diangon.com traffic volume is 13,511 unique daily visitors and their 18,915 pageviews. The web value rate of diangon.com is 328,062 USD. Each visitor makes around 1.50 page views on average.

By Alexa's traffic estimates diangon.com placed at 6,634 position over the world, while the largest amount of its visitors comes from China, where it takes 5,036 place.

Perfect for diangon.com that their data center (provided by company company POWER LINE (HK) CO., LIMITED) is located in China, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by POWER LINE (HK) CO., LIMITED.

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

The last verification results, performed on (October 08, 2024) diangon.com show that diangon.com has an expired SSL certificate issued by Let's Encrypt (expired on December 05, 2024). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing, Google Safe Search and Symantec diangon.com is pretty a safe domain.

Relying Google MobileFriendly test diangon.com is not well optimized for mobiles and tablets. Designing your sites to be mobile friendly ensures that all of your web pages perform well on all devices, also website page loading time may be improved.

Diangon.com General Information

Global Rank

39,002

Average Load Time

1.53sec

Links In Count

192

Website Value

$306,600

Audience Geography. Where are diangon.com visitors located?

Country	Visitors
China CN	96.5%
Other	3.5%

Country	Pageviews
China CN	97.1%
Other	2.9%

Country	Rank
China CN	5036

Where do visitors go on diangon.com?

Subdomain	Pageviews
diangon.com	99.06%
other	0.94%

Subdomain	Pageviews per User
diangon.com	1.2

Subdomain	Reach
diangon.com	100%

How popular is diangon.com?

Period	Global Rank	Global Rank Delta
past 3 months	39002	3420
past month	42177	7306
past week	45883	-10968
yesterday	96151	68691

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	65129	14089	93	-23.15%	1.4	-25.54%
30	75520	19471	78	-30.31%	1.2	-19.33%
7	83360	-15555	72	30%	1	0%
1	131798	87848	5	-71.401%	2	10%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	32076	3	25	3%
30	33310	3756	23	-14.03%
7	36394	-8998	22	30%
1	94270	69865	9	-74.972%

Diangon.com Safety Information

Overview

Last Updated: 08/17/2025

Overall result - diangon.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: 03/22/2025

diangon.com is safe.

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

Google Safe Search

Last Updated: 03/01/2019

diangon.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

diangon.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: 02/23/2021

diangon.com is safe.

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

Web of Trust

Last Updated: 08/17/2025

diangon.com child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	m.diangon.com
Issuer Organization	Let's Encrypt
Issuer	R10
Algorithm	RSA-SHA256
Valid form	09/06/2024
Expiration	12/05/2024
Signed	Certificate is not self signed
Additional Domains	diangon.com m.diangon.com www.diangon.com

Diangon.com Server Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 132839
ASN Title: POWER LINE (HK) CO., LIMITED

Last Update: 04/22/2025

ASN Whois

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS132096 - AS133119'

as-block: AS132096 - AS133119
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2011-08-10T06:21:42Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS132839'

% Abuse contact for 'AS132839' is 'abuse@powerline.hk'

aut-num: AS132839
as-name: POWERLINE-AS-AP
descr: POWER LINE (HK) CO., LIMITED
country: HK
org: ORG-PLCL1-AP
admin-c: PLHC1-AP
tech-c: PLHC1-AP
mnt-by: MAINT-POWERLINE-HK
mnt-routes: MAINT-POWERLINE-HK
mnt-irt: IRT-POWERLINE-HK
last-modified: 2017-10-16T00:20:25Z
source: APNIC

irt: IRT-POWERLINE-HK
address: UNIT 04,7/F,BRIGHT WAY,TOWER NO. 33 MONG KOK ROAD, Kowloon Hong Kong 999077
e-mail: abuse@powerline.hk
abuse-mailbox: abuse@powerline.hk
admin-c: PLHC1-AP
tech-c: PLHC1-AP
auth: # Filtered
mnt-by: MAINT-POWERLINE-HK
last-modified: 2016-09-12T09:32:46Z
source: APNIC

organisation: ORG-PLCL1-AP
org-name: POWER LINE (HK) CO., LIMITED
country: HK
address: FLAT A 8/F BLOCK B,MARVEL INDUSTRIAL BUILDING 17-23 KWAI FUN
phone: +852-65706824
e-mail: abuse@powerline.hk
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2017-08-29T23:21:17Z
source: APNIC

role: POWER LINE HK COLIMITEM administrator
address: UNIT 04,7/F,BRIGHT WAY,TOWER NO. 33 MONG KOK ROAD, Kowloon Hong Kong 999077
country: HK
phone: +852-59869486
fax-no: +852-59869486
e-mail: abuse@powerline.hk
admin-c: PLHC1-AP
tech-c: PLHC1-AP
nic-hdl: PLHC1-AP
mnt-by: MAINT-POWERLINE-HK
last-modified: 2016-09-12T09:32:45Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

Diangon.com Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: DIANGON.COM
Registry Domain ID: 1653655315_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2024-09-06T08:43:17Z
Creation Date: 2011-04-30T07:25:45Z
Registry Expiry Date: 2028-04-30T07:25:45Z
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: MAJOR.NS.CLOUDFLARE.COM
Name Server: MAY.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-10-19T00:41:49Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
diangon.com	118.24.233.59	3600

Host	MX Record	Priority	TTL
diangon.com	mxbiz1.qq.com	5	3600
diangon.com	mxbiz2.qq.com	10	3600

Host	NS Record	TTL
diangon.com	vip2.alidns.com	86400
diangon.com	vip1.alidns.com	86400

Host	TXT Record	TTL
diangon.com	v=spf1 include:spf.mail.qq.com ~all	3600

vip1.alidns.com
TTL: 600
Email address: hostmaster.hichina.com
Serial: 2018090515
Refresh: 3600
Retry: 1200
Expire: 86400
Minimum: 360

Diangon.com HTML Validation

HTML Validation Tool

Errors

Malformed byte sequence: “b5”.

Malformed byte sequence: “cd”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “bc”.

Malformed byte sequence: “ca”.

Malformed byte sequence: “f5”.

Malformed byte sequence: “bb”.

Malformed byte sequence: “f9”.

Malformed byte sequence: “b4”.

Malformed byte sequence: “a1”.

Malformed byte sequence: “c2”.

Malformed byte sequence: “db”.

Malformed byte sequence: “d2”.

Malformed byte sequence: “c7”.

Malformed byte sequence: “b8”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “e3”, “be”.

Malformed byte sequence: “e7”.

Malformed byte sequence: “d7”.

Malformed byte sequence: “c6”.

Malformed byte sequence: “bf”.

Malformed byte sequence: “d8”.

Malformed byte sequence: “d6”.

Malformed byte sequence: “d3”.

Malformed byte sequence: “bd”.

Malformed byte sequence: “cc”.

Malformed byte sequence: “b9”.

Malformed byte sequence: “a4”.

Malformed byte sequence: “af”.

Malformed byte sequence: “c1”.

Malformed byte sequence: “f7”.

Malformed byte sequence: “e5”.

Malformed byte sequence: “e1”, “b8”.

Malformed byte sequence: “c4”.

Malformed byte sequence: “b0”.

Malformed byte sequence: “a3”.

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Internal encoding declaration “gbk” disagrees with the actual encoding of the document (“utf-8”).

Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.

Bad value “mobile-agent” for attribute “http-equiv” on element “meta”.

Malformed byte sequence: “cf”.

Malformed byte sequence: “d4”.

Malformed byte sequence: “f0”, “b1”.

Malformed byte sequence: “e9”.

Bad value “MSThemeCompatible” for attribute “http-equiv” on element “meta”.

Malformed byte sequence: “b2”.

Malformed byte sequence: “a9”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “b6”.

Malformed byte sequence: “a5”.

Malformed byte sequence: “fa”.

Malformed byte sequence: “d0”.

Malformed byte sequence: “ce”.

Malformed byte sequence: “ef”.

Malformed byte sequence: “fb”.

Malformed byte sequence: “c8”.

Malformed byte sequence: “aa”.

Malformed byte sequence: “f4”.

Malformed byte sequence: “a8”.

Malformed byte sequence: “b7”.

Malformed byte sequence: “c3”.

Malformed byte sequence: “c9”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “be”.

Malformed byte sequence: “eb”.

Malformed byte sequence: “ba”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “ec”, “bd”.

Malformed byte sequence: “d5”.

Malformed byte sequence: “a2”.

Malformed byte sequence: “c5”.

Malformed byte sequence: “a7”.

Malformed byte sequence: “dc”.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

Attribute “reload” not allowed on element “script” at this point.

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

Malformed byte sequence: “e0”, “b9”.

Malformed byte sequence: “fd”.

Malformed byte sequence: “df”.

Malformed byte sequence: “b1”.

Malformed byte sequence: “e4”.

Malformed byte sequence: “a6”.

Malformed byte sequence: “e4”, “b5”.

Malformed byte sequence: “cb”.

Malformed byte sequence: “fe”.

Malformed byte sequence: “ab”.

Malformed byte sequence: “ed”.

Malformed byte sequence: “ee”.

Malformed byte sequence: “de”.

Malformed byte sequence: “d1”.

Malformed byte sequence: “c0”.

Malformed byte sequence: “e3”, “b1”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “dd”.

Malformed byte sequence: “e3”, “bb”.

Malformed byte sequence: “e2”, “bf”.

Malformed byte sequence: “ad”.

Malformed byte sequence: “b3”.

Malformed byte sequence: “da”.

Attribute “x-webkit-speech” not allowed on element “input” at this point.

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

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

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

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

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

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

Malformed byte sequence: “f0”.

Malformed byte sequence: “e3”.

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

Malformed byte sequence: “f2”.

Warnings

Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

NON-DOCUMENT-ERROR

Too many messages.

Diangon.com Desktop Insights

Last tested: 02/01/2018

Desktop

Desktop Speed

71%

Optimize images

Leverage browser caching

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

Reduce server response time

Minify JavaScript

Enable compression

Desktop Resource Breakdown

Total Resources	60
Number of Hosts	15
Static Resources	43
JavaScript Resources	19
CSS Resources	1

Diangon.com Mobile Insights

Last tested: 07/17/2015

Mobile

Mobile Usability

56%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Avoid plugins

Size content to viewport

Mobile Speed

53%

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

Leverage browser caching

Optimize images

Enable compression

Minify JavaScript

Mobile Resource Breakdown

Total Resources	73
Number of Hosts	19
Static Resources	56
JavaScript Resources	28
CSS Resources	3

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Diangon.com 电工学习网-专业电工基础知识和电工技术学习网站

电工学习网(电工论坛)是国内专业提供电工技术,电子技术,电工基础知识,电气控制,智能化,楼宇自控,工控自动化等技术知识交流为一体提高技能和普及用电常识的网站。

Quick Summary

Diangon.com General Information

Diangon.com Safety Information

Diangon.com Server Information

Diangon.com Domain Name Information

Diangon.com HTML Validation

Diangon.com Desktop Insights

Diangon.com Mobile Insights

Diangon.com Nearest Competitors

Diangon.com Typos