B-21.com www.b-21.com

B-21.com Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 0.90 sec.

Last Checked: 11/02/2024

B-21.com traffic estimate is about 8,862 unique visitors and 35,448 pageviews per day. The approximated value of b-21.com is 53,460 USD. Every unique visitor makes about 4 pageviews on average.

Alexa Traffic Rank estimates that b-21.com is ranked number 67,046 in the world.

B-21.com server is located in United States, but, unfortunately, we cannot identify the countries where the visitors come from and thus it’s impossible to define if the distance can potentially affect the page load time. See the list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.

B-21.com is registered under .COM top-level domain. Check other websites in .COM zone.

During the last check (October 16, 2023) b-21.com has an expired SSL certificate issued by DigiCert Inc (expired on June 17, 2024), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by DigiCert Inc.

In accordance with Google Safe Browsing, Google Safe Search and Symantec b-21.com is pretty a safe domain.

Relying on Google Mobile-Friendly test b-21.com is well optimized for mobile and tablet devices, however website page loading time may be improved.

B-21.com General Information

B-21.com Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors

B-21.com Traffic Distribution

Where do visitors go on b-21.com?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews

B-21.com Popularity

How popular is b-21.com?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta

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B-21.com Safety Information

Rankchart Summary

Safe

Updated: 11/02/2024

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

Safe

Updated: 03/27/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Safe

Updated: 11/22/2016

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 02/26/2021

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McAfee assesses b-21.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 b-21.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Not Checked

Updated: 11/02/2024

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

B-21.com SSL Information

Information about SSL/TLS certificates

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Domain	www.b-21.com
Issuer Organization	DigiCert Inc
Issuer	RapidSSL TLS RSA CA G1
Algorithm	RSA-SHA256
Valid form	05/18/2023
Expiration	06/17/2024
Signed	Certificate is not self signed
Additional Domains	www.b-21.com b-21.com

SSL Checker

B-21.com Server Information

B-21.com Server Location

Where website hosting server is located?

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B-21.com ASN Information

Information about IP address owner

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ASN ID: 16509

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

Updated: 08/03/2024

Raw ASN data:

Geolocation

ASN Lookup

B-21.com Domain Name Information

B-21.com DNS Information

Domain name service records

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A
MX
NS
TXT
SOA

Host	A Record	TTL
b-21.com	54.187.48.42	3600

Host	MX Record	Priority	TTL
b-21.com	west.smtp.mx.exch090.serverdata.net	0	3600
b-21.com	east.smtp.mx.exch090.serverdata.net	0	3600

Host	NS Record	TTL
b-21.com	ntserver.mailordercentral.com	3600
b-21.com	uuns1.dydacomp.net	3600

Host	TXT Record	TTL
b-21.com	v=spf1 include:spf.protection.outlook.com mx ip4:54.186.83.36 ~all	3600

B-21.com Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

B-21.com HTML Validation

B-21.com W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

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

Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).

Bad value “text/html; charset=iso-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.

The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.

Attribute “height” not allowed on element “table” at this point.

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

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

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

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

The “height” attribute on the “td” element is obsolete. Use CSS instead.

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

The “width” attribute on the “td” element is obsolete. Use CSS instead.

The “align” attribute on the “td” element is obsolete. Use CSS instead.

The “align” attribute on the “img” element is obsolete. Use CSS instead.

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

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

Element “input” is missing required attribute “alt”.

The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.

Table columns in range 2…4 established by element “td” have no cells beginning in them.

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

Malformed byte sequence: “92”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “e9”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “fc”.

Malformed byte sequence: “e4”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “e3”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “f4”.

Malformed byte sequence: “e5”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “c5”.

Bad value “javascript:void();” for attribute “href” on element “a”: syntax error

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

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

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

Malformed byte sequence: “a9”.

Stray end tag “a”.

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

Unclosed element “div”.

Warnings:

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

A table row was 4 columns wide and exceeded the column count established by the first row (1).

The “language” attribute on the “script” element is obsolete. You can safely omit it.

This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.

HTML Validator

B-21.com Desktop Performance

How Well B-21.com Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

48%

Enable compression

Leverage browser caching

Minify HTML

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

Reduce server response time

Optimize images

Minify CSS

Minify JavaScript

Updated: 08/21/2015

B-21.com Mobile Performance

How Optimized Is B-21.com for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

62%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Size content to viewport

Updated: 08/21/2015

B-21.com Nearest Competitors

Estimated Nearest Competitors Of B-21.com

lakeland.com
somoseconomia.com
xpjyl188.net
zxx.edu.cn
allenpike.com
rehlko.com
whitelionins.com
paryapt.in
goodlighting.ru
imtera.ru
b-21.com
e*****************e.com
audiobooksforfree.com
nursestudy.net
carolhurst.com
iliannloeb.com
maricoblog.xyz
viajemexico.biz
myspinnaker.com
xmbolic.com
mujerysalud.es
kultura-shakhty.ru

B-21.com URL Typos

Most common user URL mistypes for b-21.com

www.b-21.com
www.b-21.net
www.b-21.org
www.b-21.info
www.b-21.biz
www.b-21.us
www.b-21.mobi
www.-21.com
www.b-21.com
www.v-21.com
www.bv-21.com
www.vb-21.com
www.g-21.com
www.bg-21.com
www.gb-21.com
www.h-21.com
www.bh-21.com
www.hb-21.com
www.n-21.com
www.bn-21.com
www.nb-21.com
www.b21.com
www.b-1.com
www.b-2.com
www.b-21.con

Total Resources	79
Number of Hosts	17
Static Resources	65
JavaScript Resources	15
CSS Resources	6

CSS	26.4 KBytes
Images	1.0 MBytes
HTML	539.1 KBytes
JavaScript	389.2 KBytes
Other	2.6 KBytes

Total Resources	79
Number of Hosts	17
Static Resources	65
JavaScript Resources	15
CSS Resources	6

CSS	26.4 KBytes
Images	1.0 MBytes
HTML	539.1 KBytes
JavaScript	385.6 KBytes
Other	2.6 KBytes