21.co 21.co | DeFi Access. TradFi Standards.

From beginners to crypto-native users, 21.co bridges traditional finance and decentralized finance for crypto asset management.

21.co Overview

Website Overview: 21.co

21.co is a website that offers individuals the opportunity to earn bitcoin by answering messages and completing tasks. The site allows users to set up a profile on Earn.com, where they can receive paid messages from people outside their network. Users have the choice to keep the bitcoin they earn or donate it to charity. The website's primary aim is to provide a platform for individuals to earn cryptocurrency through various activities.

In terms of website traffic, 21.co receives an average of 300 unique users per day and had a total of 300 pageviews. This indicates moderate user engagement and suggests that the website is gaining some traction among its target audience.

The site is hosted by Amazon.com, Inc., specifically on their Amazon-02 hosting service. This hosting provider is well-known and reliable, which ensures that the website is accessible and responsive to its users.

The top-level domain for 21.co is ".CO", which is the country code top-level domain (ccTLD) for Colombia. This indicates that the website may have some association with Colombia, though it does not necessarily mean that it caters exclusively to a Colombian audience.

As for the family-friendliness of the site, the provided information does not offer any insight into the content or messaging found on 21.co. Further evaluation of the site's content, such as assessing the nature of the tasks or messages offered, would be necessary to make a determination regarding its family-friendliness.

In terms of website performance, the PageSpeed Insights score for 21.co is 58. While this score is not particularly high, it suggests that there could be some room for improvement in terms of optimizing the website's speed and performance.

Additionally, the website has a notable number of backlinks with 1243 external backlinks and 930 referring domains. This indicates that 21.co has garnered attention from other websites that are linking back to it. This can contribute to the website's overall credibility and visibility.

Overall, 21.co offers individuals the opportunity to earn bitcoin through various tasks and messages. The website is hosted on a reliable platform, has a moderate user base, and has received attention from external websites. However, there is room for improvement in terms of website speed and performance optimization. Further evaluation is needed to determine the family-friendliness of the site.

21.co Rank Summary

Global Rank

2,298,145

Average Load Time

1.70sec

Links In Count

Website Value

$2,920

Audience Geography. Where are 21.co visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on 21.co?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is 21.co?

Period	Global Rank	Global Rank Delta
past 3 months	2298145	-4777408
past month	7414245	5427058

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	3352568	-5664824	0	500%	1	0%
30	8146239	5338212	0	-85.185%	1	3%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1900798	-4265515	2	400%
30	6727406	5057883	3	-85.185%

21.co Website Safety

Overview

Last Updated: 10/30/2024

Overall result - 21.co 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: 03/24/2024

21.co is safe.

Norton ConnectSafe evaluates 21.co for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 10/29/2016

21.co 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

21.co 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: 02/24/2021

21.co is safe.

McAfee assesses 21.co 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 21.co for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

21.co child safety is very good.

The WOT calculates reputation of the 21.co. This reputation system receives ratings from users and information from third-party sources, assesses the 21.co for safety features and confirms, whether 21.co is suitable for children.

SSL Information

SSL Checker Tool

Domain	21.co
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	04/25/2024
Expiration	07/24/2024
Signed	Certificate is not self signed
Additional Domains	21.co

21.co Rank History

Alexa Rank shows how popular 21.co is in comparison with other sites. The most popular site has Alexa Rank equals 1. If 21.co 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 21.co and pageviews on 21.co over the past 3 months.

21.co Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 16509

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

Last Update: 10/28/2024

#
# 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.
#

21.co Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: 21.co
Registry Domain ID: D740252-CO
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: whois.godaddy.com
Updated Date: 2021-05-01T19:02:26Z
Creation Date: 2010-04-26T07:50:48Z
Registry Expiry Date: 2022-04-25T23:59:59Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: +1.4806242505
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Domains By Proxy, LLC
Registrant Street: REDACTED FOR PRIVACY
Registrant Street: REDACTED FOR PRIVACY
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Arizona
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: dina.ns.cloudflare.com
Name Server: kip.ns.cloudflare.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2021-11-24T02:48:22Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

21.co HTML Check

HTML Validation Tool

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

The “type” attribute is unnecessary for JavaScript resources.

Errors

CSS: “background-repeat”: “none” is not a “background-repeat” value.

CSS: Parse Error.

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

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

Bad value “data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1 1'%3E%3C/svg%3E” for attribute “src” on element “img”: Illegal character in scheme data: space is not allowed.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Bad value “input” for attribute “type” on element “input”.

Attribute “placeholder” is only allowed when the input type is “email”, “number”, “password”, “search”, “tel”, “text”, or “url”.

Attribute “minlength” is only allowed when the input type is “email”, “password”, “search”, “tel”, “text”, or “url”.

Attribute “pattern” is only allowed when the input type is “email”, “password”, “search”, “tel”, “text”, or “url”.

Attribute “required” is only allowed when the input type is “checkbox”, “date”, “datetime-local”, “email”, “file”, “month”, “number”, “password”, “radio”, “search”, “tel”, “text”, “time”, “url”, or “week”.

21.co Desktop Performance

Last tested: 06/29/2019

Desktop Speed

82%

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

Leverage browser caching

Desktop Resource Breakdown

Total Resources	59
Number of Hosts	11
Static Resources	51
JavaScript Resources	11

21.co Mobile Insights

Last tested: 06/24/2019

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

58%

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

Leverage browser caching

Mobile Resource Breakdown

Total Resources	59
Number of Hosts	11
Static Resources	51
JavaScript Resources	11

21.co Common Typos

www.21.com
www.21.net
www.21.org
www.21.info
www.21.biz
www.21.us
www.21.mobi
www.1.co
www.21.co
www.2.co

21.co 21.co | DeFi Access. TradFi Standards.

From beginners to crypto-native users, 21.co bridges traditional finance and decentralized finance for crypto asset management.

21.co Overview

21.co Rank Summary

21.co Website Safety

21.co Rank History

21.co Hosting Information

21.co Domain Registration and Settings

21.co HTML Check

21.co Desktop Performance

21.co Mobile Insights

21.co Similar Audits

21.co Common Typos