C-fol.net 和我们一起塑造中国光通信产业的未来 - 光纤在线 - 光通信门户

光纤在线（China Fiber Optics Online）是一家服务于中国光纤通信行业的专业垂直门户网站和咨询机构，以促进大中华区的光通信产业发展，同步世界光通信先进资讯，构筑华人光通信网上家园为宗旨。从2001年成立至今，光纤在线网站一直活跃在光通信产业的各个领域。在10多年的发展过程中，光纤...

C-fol.net Overview

C-fol.net ranking shows that the page is at position 399,449 over the world.

C-fol.net hosting company servers are placed in the China, but, unfortunately, it’s not possible to identify the countries where the bulk of c-fol.net 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 BTN-ASN - PCCW Global, Inc., US servers.

In terms of rank-to-traffic ratio, c-fol.net has 1,313 unique users per day, viewing 1,856 pages. The rank based value of c-fol.net is 35,478 USD. Every user makes 1.51 pageviews on average.

C-fol.net boasts a link base consisting of 265 referring domains and 304 external backlinks, as revealed by the data obtained from web network scanning.

C-fol.net top-level domain belongs to .NET domain zone. Check other webpages in .NET zone.

According the last verification test in July 25, 2024, c-fol.net has an expired SSL certificate issued by Let's Encrypt (expired on September 22, 2024). 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, Google Safe Search and Symantec c-fol.net is a fairly safe domain.

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

C-fol.net Rank Summary

Global Rank

399,449

Average Load Time

1.47sec

Links In Count

142

Website Value

$32,850

Audience Geography. Where are c-fol.net visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on c-fol.net?

Subdomain	Pageviews
c-fol.net	100%

Subdomain	Pageviews per User
c-fol.net	1

Subdomain	Reach
c-fol.net	100%

How popular is c-fol.net?

Period	Global Rank	Global Rank Delta
past 3 months	399449	-17522
past month	396964	-62708

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	580133	196793	6	-40.28%	1.4	-59.375%
30	598628	5210	6	-1.41%	1	-27.57%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	351047	-110792	15	50%
30	344277	-91578	2	40%

C-fol.net Website Safety

Overview

Last Updated: 12/25/2024

Overall result - c-fol.net 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: 04/01/2024

c-fol.net is safe.

Norton ConnectSafe evaluates c-fol.net for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 12/30/2016

c-fol.net 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

c-fol.net 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

c-fol.net is safe.

McAfee assesses c-fol.net 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 c-fol.net for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 12/25/2024

c-fol.net child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	www.c-fol.net
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	06/24/2024
Expiration	09/22/2024
Signed	Certificate is not self signed
Additional Domains	c-fol.net www.c-fol.net

C-fol.net Rank History

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

C-fol.net Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 3491

ASN Title: BTN-ASN - PCCW Global, Inc., US

Last Update: 12/19/2024

#
# 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: 3491
ASName: BTN-ASN
ASHandle: AS3491
RegDate: 1994-03-21
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/3491

OrgName: PCCW Global, Inc.
OrgId: BNA-42
Address: 450 Springpark PL
Address: Suite 1000
City: Herndon
StateProv: VA
PostalCode: 20170
Country: US
RegDate: 2004-05-25
Updated: 2017-07-11
Ref: https://rdap.arin.net/registry/entity/BNA-42

OrgAbuseHandle: PAD13-ARIN
OrgAbuseName: PCCW AUP Department
OrgAbusePhone: +1-703-621-1638
OrgAbuseEmail: usnoc@pccwglobal.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/PAD13-ARIN

OrgTechHandle: PUN6-ARIN
OrgTechName: PCCW US NOC
OrgTechPhone: +1-703-621-1637
OrgTechEmail: usnoc@pccwglobal.com
OrgTechRef: https://rdap.arin.net/registry/entity/PUN6-ARIN

OrgTechHandle: RW437-ARIN
OrgTechName: Whitney, Randy
OrgTechPhone: +1-703-635-3259
OrgTechEmail: rwhitney@pccwglobal.com
OrgTechRef: https://rdap.arin.net/registry/entity/RW437-ARIN

OrgTechHandle: BALON-ARIN
OrgTechName: balon, steve
OrgTechPhone: +3271492070
OrgTechEmail: sbalon@pccwglobal.com
OrgTechRef: https://rdap.arin.net/registry/entity/BALON-ARIN

OrgNOCHandle: PUN6-ARIN
OrgNOCName: PCCW US NOC
OrgNOCPhone: +1-703-621-1637
OrgNOCEmail: usnoc@pccwglobal.com
OrgNOCRef: https://rdap.arin.net/registry/entity/PUN6-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.
#

C-fol.net Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: C-FOL.NET
Registry Domain ID: 31506748_DOMAIN_NET-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2021-07-06T03:12:48Z
Creation Date: 2000-07-18T02:30:07Z
Registry Expiry Date: 2024-07-18T02:30:07Z
Registrar: Alibaba Cloud Computing (Beijing) Co., Ltd.
Registrar IANA ID: 420
Registrar Abuse Contact Email: DomainAbuse@service.aliyun.com
Registrar Abuse Contact Phone: +86.95187
Domain Status: ok https://icann.org/epp#ok
Name Server: DNS7.HICHINA.COM
Name Server: DNS8.HICHINA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-01-25T07:07:11Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
c-fol.net	121.201.101.91	600

Host	MX Record	Priority	TTL
c-fol.net	mail.c-fol.net	5	600

Host	NS Record	TTL
c-fol.net	dns8.hichina.com	86400
c-fol.net	dns7.hichina.com	86400

Host	TXT Record	TTL

dns7.hichina.com
TTL: 600
Email address: hostmaster.hichina.com
Serial: 2022052002
Refresh: 3600
Retry: 1200
Expire: 86400
Minimum: 600

C-fol.net HTML Check

HTML Validation Tool

Errors

Malformed byte sequence: “ba”.

Malformed byte sequence: “cd”.

Malformed byte sequence: “ce”.

Malformed byte sequence: “d2”.

Malformed byte sequence: “c3”.

Malformed byte sequence: “c7”.

Malformed byte sequence: “c6”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “cb”.

Malformed byte sequence: “dc”.

Malformed byte sequence: “d4”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “d6”.

Malformed byte sequence: “fa”.

Malformed byte sequence: “b9”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “d0”.

Malformed byte sequence: “b5”.

Malformed byte sequence: “c4”.

Malformed byte sequence: “c0”.

Malformed byte sequence: “b4”.

Malformed byte sequence: “cf”.

Malformed byte sequence: “da”.

Malformed byte sequence: “df”.

Malformed byte sequence: “c5”.

Malformed byte sequence: “a7”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “c2”.

Malformed byte sequence: “e7”.

Malformed byte sequence: “e2”, “b5”.

Malformed byte sequence: “d7”.

Malformed byte sequence: “d3”.

Malformed byte sequence: “f7”.

Malformed byte sequence: “bc”.

Malformed byte sequence: “fe”.

Malformed byte sequence: “bd”.

Malformed byte sequence: “bb”.

Malformed byte sequence: “ca”.

Malformed byte sequence: “ee”.

Malformed byte sequence: “e7”, “b3”.

Malformed byte sequence: “c9”.

Malformed byte sequence: “c1”.

Malformed byte sequence: “a2”.

Malformed byte sequence: “a3”.

Malformed byte sequence: “ac”.

Malformed byte sequence: “f2”.

Malformed byte sequence: “ee”, “be”.

Malformed byte sequence: “e6”.

Malformed byte sequence: “ee”, “b4”.

Malformed byte sequence: “b2”.

Malformed byte sequence: “b8”.

Malformed byte sequence: “ee”, “b9”.

Malformed byte sequence: “e3”, “b5”.

Malformed byte sequence: “cc”.

Malformed byte sequence: “b0”.

Malformed byte sequence: “b1”.

Malformed byte sequence: “a8”.

Malformed byte sequence: “af”.

Malformed byte sequence: “b7”.

Malformed byte sequence: “e7”, “b9”.

Malformed byte sequence: “aa”.

Malformed byte sequence: “c8”.

Malformed byte sequence: “a1”.

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

Internal encoding declaration “gb2312” disagrees with the actual encoding of the document (“utf-8”).

Bad value “text/html; charset=gb2312” for attribute “content” on element “meta”: “gb2312” is not a preferred encoding name. The preferred label for this encoding is “gbk”.

Malformed byte sequence: “be”.

Malformed byte sequence: “d1”.

Malformed byte sequence: “f9”.

Malformed byte sequence: “ed”.

Malformed byte sequence: “e5”.

Malformed byte sequence: “e5”, “b4”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “d5”.

Malformed byte sequence: “a5”.

Malformed byte sequence: “bf”.

Malformed byte sequence: “b3”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “ed”, “b6”.

Malformed byte sequence: “dd”.

Malformed byte sequence: “e3”, “b8”.

Malformed byte sequence: “a9”.

Malformed byte sequence: “b6”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “a4”.

Malformed byte sequence: “eb”.

Malformed byte sequence: “e4”.

Malformed byte sequence: “fc”.

Malformed byte sequence: “e0”, “b8”.

Malformed byte sequence: “f1”, “b8”.

Malformed byte sequence: “f4”.

No space between attributes.

Malformed byte sequence: “e3”.

Malformed byte sequence: “f5”.

Malformed byte sequence: “ab”.

Malformed byte sequence: “e9”.

Malformed byte sequence: “db”.

Malformed byte sequence: “ea”.

Malformed byte sequence: “d8”.

Malformed byte sequence: “fd”.

Malformed byte sequence: “e2”, “b9”.

NON-DOCUMENT-ERROR

Too many messages.

C-fol.net Desktop Performance

Last tested: 06/10/2017

Desktop Speed

63%

Leverage browser caching

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

Optimize images

Enable compression

Minify JavaScript

Desktop Resource Breakdown

Total Resources	102
Number of Hosts	8
Static Resources	97
JavaScript Resources	7

C-fol.net Mobile Insights

Last tested: 10/31/2019

Mobile Usability

100%

Mobile Speed

20%

Optimize images

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

Reduce server response time

Leverage browser caching

Enable compression

Mobile Resource Breakdown

Total Resources	26
Number of Hosts	10
Static Resources	17
JavaScript Resources	5
CSS Resources	1

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C-fol.net 和我们一起塑造中国光通信产业的未来 - 光纤在线 - 光通信门户

C-fol.net Overview

C-fol.net Rank Summary

C-fol.net Website Safety

C-fol.net Rank History

C-fol.net Hosting Information

C-fol.net Domain Registration and Settings

C-fol.net HTML Check

C-fol.net Desktop Performance

C-fol.net Mobile Insights

C-fol.net Similar Audits

C-fol.net Common Typos