crclass.org

Crclass.org

#799,617 Global
財團法人驗船中心 CR CLASSIFICATION SOCIETY
Last Updated 49 mins ago
     
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Domain Summary

What is the traffic rank for Crclass.org?

Crclass.org ranks #799,617 globally on HypeStat.

What percent of global Internet users visit Crclass.org?

0.000018% of global Internet users visit Crclass.org

How many people visit Crclass.org each day?

Crclass.org receives approximately 1.1K visitors and 2,281 page impressions per day.

Which countries does Crclass.org receive most of its visitors from?

Crclass.org is mostly visited by people located in China,Taiwan,United States.

How much Crclass.org can earn?

Crclass.org should earn about $0.88/day from advertising revenue.

What is Crclass.org estimated value?

Estimated value of Crclass.org is $825.91.

What IP addresses does Crclass.org resolve to?

Crclass.org resolves to the IP addresses 60.250.118.140.

Where are Crclass.org servers located in?

Crclass.org has servers located in Taipei, Taipei City, Taiwan.

crclass.org Profile

Title
財團法人驗船中心 CR CLASSIFICATION SOCIETY
CRClass.org is an educational platform designed to enhance the learning experience for students and educators by providing comprehensive resources and tools for classroom management and instruction. Its primary purpose is to facilitate the effective organization of class materials, assignments, and communication between teachers and students. Key features include customizable lesson plans, digital grade books, and collaborative tools that foster interaction and feedback. The user interface is characterized by a clean, intuitive design that prioritizes ease of navigation, allowing users to access various functionalities seamlessly. Overall, CRClass.org aims to support educational success through innovative digital solutions.

What technologies does crclass.org use?

These are the technologies used at crclass.org. crclass.org has a total of 18 technologies installed in 13 different categories.

crclass.org Traffic Analysis

Crclass.org is ranked #799,617 in the world. This website is viewed by an estimated 1.1K visitors daily, generating a total of 2.3K pageviews. This equates to about 33.1K monthly visitors.

Daily Visitors
1.1K
1,091 unique
Monthly Visits
33.1K
Daily Pageviews
2.3K
2,281 pageviews
Pages per Visit
2.09
Visit Duration
00:45
Bounce Rate
77.01%
Daily Unique Visitors
1,091
Monthly Visits
33,057
Pages per Visit
2.09
Daily Pageviews
2,281
Avg. Visit Duration
00:45
Bounce Rate
77.01%
Global Reach
0.000018%
Monthly Visits (SimilarWeb)
32,406
HypeRank
799,617
SEMrush Rank
9,229,448
SimilarWeb Rank
869,854

*All traffic values are estimates only.

Monthly Visits

30.7K
JUL
33.1K
AUG
33.1K
SEP

Visitors by Country

CountryUsers %
China 57.46%
Taiwan 32.88%
United States 6.46%
India 1.26%
Norway 1.19%
SEO

crclass.org SEMrush Overview

SEMrush is a complete online advertising and marketing platform that gives a wide variety of tools and features to help businesses and marketers improve their online visibility and optimize their digital marketing strategies.

SemRushSemRush
Domain
crclass.org
RankBased on keywords, cost and organic traffic
9,229,448
Organic KeywordsKeywords in top 20 Google SERP
58
Organic TrafficVisitors coming from top 20 search results
6
Organic CostEquivalent Google Ads spend for the same traffic
$33.00
Full SEMrush Report →

Which sites are competitors to crclass.org?

Websites similar to crclass.org are sites similar on user interests and browsing behavior. Users can discover new websites that are similar to the ones they already enjoy or find useful.

DomainDaily Visitors
evergreen-marine.com 6.5K Compare →
hellenicshippingnews.com 3.2K Compare →
farglory-holding.com.tw 647 Compare →
linkedinjl.com 254 Compare →
nipponexpress.com.tw 13 Compare →
Monetization

Revenue Report

crclass.org would generate approximately $0.9 per day if the source of income were advertisements, which equates to an estimated monthly revenue of $26.4 and annual gross revenue of approximately $321.2. Based on these figures, the site's net worth is estimated at around $825.9.

How much would crclass.org make?

Daily Revenue
$0.88
Monthly Revenue
$26.40
Yearly Revenue
$321.20

How much is crclass.org worth?

Website Value
$825.9

*All earnings values are estimates only.

Daily Earning by Country

CountryPageviewsEarning
United States 147 $0.58
Taiwan 750 $0.14
China 1,311 $0.11
Norway 27 $0.02
India 29 $0.01

Daily Revenue Loss by Country

CountryBlockedLost
United States 27 $0.13
Taiwan 120 $0.03
China 170 $0.02
Norway 5 $0.00
India 8 $0.00

Impact of Ad Blockers

Daily Revenue Loss
$0.18
Monthly Revenue Loss
$5.39
Yearly Revenue Loss
$65.59
Daily Pageviews Blocked
330
Monthly Pageviews Blocked
9,912
Yearly Pageviews Blocked
120,602

Ad Experience Report

Summary of the ad and abusive experience ratings Google assigns to crclass.org, per platform.

Mobile Summary

Root Domain
crclass.org
Ad FilteringChrome is not filtering ads on your site.
Off
StatusReviewed against the Better Ads Standards
Not reviewed

Desktop Summary

Root Domain
crclass.org
Ad FilteringChrome is not filtering ads on your site.
Off
StatusReviewed against the Better Ads Standards
Not reviewed

Abusive Experience

Root Domain
crclass.org
EnforcementChrome is not preventing your site from opening new windows or tabs.
Off
StatusReviewed for abusive experiences
Not reviewed
Technical

Where is crclass.org hosted?

Crclass.org may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.

Server Location
Taipei
Taipei City, TPE
Taiwan, TW

Other sites hosted on 60.250.118.140

There are no other sites hosted on this IP.

How fast does crclass.org load?

The average loading time of crclass.org is 1816 ms. The Desktop speed index is 54 and mobile speed index is 47.

54
Needs Work
0–49 · Poor
50–89 · Needs Improvement
90–100 · Good
How is this scored? →
Average Load Time
1816 ms

Over the last 30 days, the field data shows that this page has a speed compared to other pages in the Chrome User Experience Report. We are showing the 90th percentile of FCP and the 95th percentile of FID.

CLSCumulative Layout Shift
0
0% fast0% avg0% slow
TTFBTime To First Byte
0
0% fast0% avg0% slow
FCPFirst Contentful Paint
0
0% fast0% avg0% slow
FIDFirst Input Delay
0
0% fast0% avg0% slow
INPInteraction To Next Paint
0
0% fast0% avg0% slow
LCPLargest Contentful Paint
0
0% fast0% avg0% slow

All pages served from this origin have an speed compared to other pages in the Chrome User Experience Report over the last 30 days. To view suggestions tailored to each page, analyze individual page URLs.

CLSCumulative Layout Shift
0
0% fast0% avg0% slow
TTFBTime To First Byte
0
0% fast0% avg0% slow
FCPFirst Contentful Paint
0
0% fast0% avg0% slow
FIDFirst Input Delay
0
0% fast0% avg0% slow
INPInteraction To Next Paint
0
0% fast0% avg0% slow
LCPLargest Contentful Paint
0
0% fast0% avg0% slow
Total Blocking Time20 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric
INP breakdown
Start investigating by looking at the longest subpart how to improve INP
Max Potential First Input Delay70 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric
Time to Interactive4.4 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric
Largest Contentful Paint4.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
Speed Index5.1 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
First Contentful Paint1.9 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
47
Poor
0–49 · Poor
50–89 · Needs Improvement
90–100 · Good
How is this scored? →
Average Load Time
1816 ms

Over the last 30 days, the field data shows that this page has a speed compared to other pages in the Chrome User Experience Report. We are showing the 90th percentile of FCP and the 95th percentile of FID.

CLSCumulative Layout Shift
0
0% fast0% avg0% slow
TTFBTime To First Byte
0
0% fast0% avg0% slow
FCPFirst Contentful Paint
0
0% fast0% avg0% slow
FIDFirst Input Delay
0
0% fast0% avg0% slow
INPInteraction To Next Paint
0
0% fast0% avg0% slow
LCPLargest Contentful Paint
0
0% fast0% avg0% slow

All pages served from this origin have an speed compared to other pages in the Chrome User Experience Report over the last 30 days. To view suggestions tailored to each page, analyze individual page URLs.

CLSCumulative Layout Shift
0
0% fast0% avg0% slow
TTFBTime To First Byte
0
0% fast0% avg0% slow
FCPFirst Contentful Paint
0
0% fast0% avg0% slow
FIDFirst Input Delay
0
0% fast0% avg0% slow
INPInteraction To Next Paint
0
0% fast0% avg0% slow
LCPLargest Contentful Paint
0
0% fast0% avg0% slow
First Contentful Paint4.5 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
Speed Index12.2 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
Max Potential First Input Delay60 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric
Total Blocking Time10 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric
INP breakdown
Start investigating by looking at the longest subpart how to improve INP
Time to Interactive13.6 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric
Largest Contentful Paint13.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric

Does crclass.org use compression?

Website compression is the process of reducing the size of website files, such as HTML, CSS, JavaScript, and image files, to improve website performance and load times. Compressing website files can significantly reduce the amount of data that needs to be transferred from the server to the user's browser, resulting in faster page load times and improved user experience.

0%
Reduced
Original
120.44 KB
Compressed
n/a

Saved off the original size

crclass.org does not use compression.

Google Safe Browsing

Google Safe Browsing is a service provided by Google that helps protect users from visiting websites that may contain malicious or harmful content, such as malware, phishing attempts, or deceptive software.

This site is not currently listed as suspicious

WOT MyWot.com Reputation Ratings

MyWOT (short for "My Web of Trust") is a web-based reputation and rating service that provides users with information about the trustworthiness and safety of websites.

Status
SAFE

SSL Checker SSL Certificate Verify

An SSL (Secure Sockets Layer) certificate is a digital certificate that establishes a secure encrypted connection between a web server and a user's browser. It provides authentication and encryption, ensuring that data transmitted between the server and the browser remains private and protected. crclass.org supports HTTPS.

crclass.org supports HTTPS
Verifying SSL Support. Please wait...
Common Name: *.crclass.org
Organization:
Location:
Issuer: YR2
Valid from: Sep 10 07:03:56 2026 GMT
Valid until: Dec 9 07:03:55 2026 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Common Name: YR2
Organization: Let's Encrypt
Location: US
Issuer: Root YR
Valid from: Sep 3 00:00:00 2025 GMT
Valid until: Sep 2 23:59:59 2028 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Common Name: Root YR
Organization: ISRG
Location: US
Issuer: ISRG Root X1
Valid from: May 13 00:00:00 2026 GMT
Valid until: Sep 2 23:59:59 2032 GMT
Authority: CA:TRUE
Keysize: 4096 Bits
Common Name: ISRG Root X1
Organization: Internet Security Research Group
Location: US
Issuer: ISRG Root X1
Valid from: Jun 4 11:04:38 2015 GMT
Valid until: Jun 4 11:04:38 2035 GMT
Authority: CA:TRUE
Keysize: 4096 Bits

Security Headers

HTTP security headers tell browsers how to protect visitors: force HTTPS, block clickjacking and limit what scripts can do. crclass.org sends 2 of the 6 recommended security headers, and its SSL certificate is issued by Let's Encrypt.

E Security headers grade
Strict-Transport-Security
present
Content-Security-Policy
missing
X-Frame-Options
missing
X-Content-Type-Options
present
Referrer-Policy
missing
Permissions-Policy
missing
SSL issuer
Let's Encrypt
SSL expires
2026-12-09 in 33 days

Email Security

SPF, DKIM and DMARC are DNS records that prove which servers may send email for a domain and tell receivers what to do with forged messages. crclass.org has SPF and an enforced DMARC policy, which protects it against email spoofing.

Email provider
own mail server
SPF
present
DMARC
quarantine
DKIM
not found on common selectors
DNSSEC
not signed
v=spf1 ip4:60.250.118.142 ip4:60.250.118.135 ~all

Verify HTTP/2 & HTTP/3 Support

HTTP/2 (Hypertext Transfer Protocol version 2) is a major revision of the HTTP protocol, which is the foundation of data communication on the World Wide Web. It was developed as an improvement over the previous HTTP/1.1 version to enhance web performance and efficiency. HTTP/3 goes a step further and runs over QUIC instead of TCP, for faster connections and better performance on unreliable networks.

crclass.org does not support HTTP/2
crclass.org does not support HTTP/3
Verifying HTTP/2 and HTTP/3 Support. Please wait...
Details

Http Header

HTTP headers are extra portions of records despatched among a consumer (which include an internet browser) and a server at some stage in an HTTP request or response. They offer instructions, metadata, or manipulate parameters for the conversation among the consumer and server.

HTTP/1.1
Date: Thu, 05 Nov 2026 08:17:07 GMT
Server: webserver
ALLOW-FROM: http://localhost
Last-Modified: Wed, 04 Nov 2026 08:11:05 GMT
ETag: "1e1c6-65f6eeba9ea06"
Accept-Ranges: bytes
Content-Length: 123334
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
Content-Type: text/html; charset=UTF-8

DNS Lookup

DNS entries (Domain Name System) are a critical component of the Internet infrastructure. They act as directories that translate human-readable domain names (such as example.com) to machine-readable IP addresses. DNS records are stored on DNS servers and help forward internet traffic efficiently.

TypeIPTarget / TXTTTL
TXT google-site-verification=Ffg0gr0h2ymUrEH2SgYmay5ZbIWwuEFpLcZ6rjpuWgM 60
TXT LUMYC8RLB7WN5U3D3E5HVR79RR06J1N6E7RB8YTY 60
TXT v=spf1 ip4:60.250.118.142 ip4:60.250.118.135 ~all 60
TXT google-site-verification=djIrujFHrGhZpiMM150px6cWrF8KcmGwpmYral31rgY 60
TXT google-site-verification=Dwz2R639hjveqnuGW5113qE9ietwn6r_Nove25GRdr8 60
MX mailgate.crclass.org 60
SOA 21600
Mname ns-cloud-e1.googledomains.com
Rname cloud-dns-hostmaster.google.com
Serial Number 1
Refresh 21600
Retry 3600
Expire 259200
Minimum TTL 300
NS ns-cloud-e2.googledomains.com 3580
NS ns-cloud-e3.googledomains.com 3580
NS ns-cloud-e1.googledomains.com 3580
NS ns-cloud-e4.googledomains.com 3580
A 60.250.118.140 60

Whois Lookup

Domain WHOIS is a public database that provides information about domain names, including registered owners, contact information, domain registrars, registration and expiration dates, name servers, and other relevant information. Domain registration for this website began on April 1, 2014 and will expire on April 1, 2035 if not renewed. This website is now assigned through the registrar Net-Chinese Co., Ltd.. The WHOIS data for this website's domain was last updated on August 12, 2026.

Domain Created
2014-04-01
Domain Expires
2035-04-01
Domain Updated
2026-08-12
Domain Age
12 years 7 months 4 days
Domain Registrar
Net-Chinese Co., Ltd.
First Archived
2014-05-22 (Wayback Machine)
WHOIS
Domain Name: crclass.org
Registry Domain ID: REDACTED
Registrar WHOIS Server: http://whois.net-chinese.com.tw
Registrar URL: http://www.net-chinese.com.tw
Updated Date: 2026-08-12T05:13:39Z
Creation Date: 2014-04-01T08:17:13Z
Registry Expiry Date: 2035-04-01T08:17:13Z
Registrar: Net-Chinese Co., Ltd.
Registrar IANA ID: 1336
Registrar Abuse Contact Email: email
Registrar Abuse Contact Phone: +886.225319696
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: ns-cloud-e1.googledomains.com
Name Server: ns-cloud-e3.googledomains.com
Name Server: ns-cloud-e2.googledomains.com
Name Server: ns-cloud-e4.googledomains.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://icann.org/wicf/
>>> Last update of WHOIS database: 2026-11-05T08:17:21Z 
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Resources

Custom Widget

crclass.org
Daily Visitors 1.1K
Monthly Visits 33.1K
Pages / Visit 2.09
HypeRank #799,617
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