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21st.com Overview

21st.com ranking shows that the page is at position 139,459 over the world, while the bulk of its audience is from United States, where it ranks 31,322.

It is beneficial to 21st.com that their hosting company INCAPSULA - Incapsula Inc, US servers are located in United States, as that reduces page load time for the majority of their users. See the list of other webpages hosted on INCAPSULA - Incapsula Inc, US servers.

In terms of rank-to-traffic ratio, 21st.com has 1,298 unique users per day, viewing 5,108 pages. The rank based value of 21st.com is 94,703 USD. Every user makes 4.21 pageviews on average.

21st.com boasts a link base consisting of 546 referring domains and 637 external backlinks, as revealed by the data obtained from web network scanning.

21st.com top-level domain belongs to .COM domain zone. Check other webpages in .COM zone.

According the last verification test in August 20, 2024, 21st.com has an expired SSL certificate issued by GlobalSign nv-sa (expired on December 12, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by GlobalSign nv-sa.

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust 21st.com is a fairly safe domain.

According the Mobile-Friendly test by Google 21st.com is nice optimized for mobile devices and tablets.

21st.com Rank Summary

Global Rank

139,459

Average Load Time

2.27sec

Links In Count

216

Website Value

$87,688

Audience Geography. Where are 21st.com visitors located?

Country	Visitors
United States US	83.1%
India IN	2.1%
Other	14.7%

Country	Pageviews
United States US	93.4%
India IN	0.7%
Other	5.9%

Country	Rank
United States US	31322
India IN	296943

Where do visitors go on 21st.com?

Subdomain	Pageviews
21st.com	98.49%
other	1.51%

Subdomain	Pageviews per User
21st.com	3.5

Subdomain	Reach
21st.com	98.67%

How popular is 21st.com?

Period	Global Rank	Global Rank Delta
past 3 months	139459	-9568
past month	147849	14177
past week	166782	-18057
yesterday	241472	73463

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	122847	-1888	42	3%	3.9	-6.413%
30	139657	23339	36	-19.34%	3.5	-13.3%
7	140448	-32603	37	30%	4.4	20%
1	212135	98995	24	-55.753%	4	-28.57%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	156751	-13406	39	10%
30	162464	10868	38	-7.094%
7	194972	-14361	31	8%
1	277662	80654	2	-38.08%

21st.com Website Safety

Overview

Last Updated: 12/26/2024

Overall result - 21st.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: 03/22/2024

21st.com is safe.

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

Google Safe Search

Last Updated: 10/22/2016

21st.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

21st.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

21st.com is safe.

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

Web of Trust

Last Updated: 01/10/2019

21st.com child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	imperva.com
Issuer Organization	GlobalSign nv-sa
Issuer	GlobalSign Atlas R3 DV TLS CA 2024 Q2
Algorithm	RSA-SHA256
Valid form	06/15/2024
Expiration	12/12/2024
Signed	Certificate is not self signed
Additional Domains	kaerntnerringhof.at .myaccess.farmersinsurance.com .edge-uat.zurich.com.hk .jss-uat-zna.zurich.com .feedback.zurich.io .zurichinsurance.ie .sicherheitsnetz.at .zürich.at zurich.com .apps.ocp-de-azure-uat-euw.zurich.com .farmersinsurance.com .dmz-prd.rosa-de-aws-central1.zurich.com .zurich.com zurichinsurance.ie myzurich.com .farmershawaii.com .familien-schutz.at realgarant.at sicherheitsnetz.at www.myzurich.com .21st.com .dmz-prd.rosa-de-aws-europe.zurich.com servicecenter.at travelexinsurance.ca .dmz.ocp-de-azure-uat-euw.zurich.com .kaerntnerringhof.at 21st.com .mycustomer.zurich.com .zurichforyou.zurich.it .jss-dev-zna.zurich.com farmershawaii.com .farmers.com .jss-edit-zna.zurich.com .digitalnative-uat.zurich.co.id .jss-uat-de.zurich.com .digitalnative-dev.zurich.co.id .realgarant.at familien-schutz.at zuerich.at .zuerich.at zürich.at vorsorgescheck.at .eclbiz.com .digitalnative-preprod.zurich.co.id .zas.zurich.de risikoanalyse.at www.farmershawaii.com n10.21st.com .digitalnative-sit.zurich.co.id .risikoanalyse.at imperva.com .vorsorgescheck.at k-47.at .credit.zurich.com .prd.rosa-de-aws-europe.zurich.com zurichinforma.com uat.zurichinsurance.ie .zurichcalculators.net .uk.zurich.com .k-47.at .zurichinforma.com staging-secure.farmershawaii.com .perso.da-direkt.de .servicecenter.at .prd.rosa-de-aws-central1.zurich.com .jss-dev-de.zurich.com .zurichseguros.com.co .myzurich.com .jss-edit-de.zurich.com *.travelexinsurance.ca

21st.com Rank History

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

21st.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 19551

ASN Title: INCAPSULA - Incapsula Inc, US

Last Update: 07/18/2024

#
# 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: 19551
ASName: INCAPSULA
ASHandle: AS19551
RegDate: 2011-01-12
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/19551

OrgName: Incapsula Inc
OrgId: INCAP-5
Address: 3400 Bridge Parkway, Suite 200
City: Redwood Shores
StateProv: CA
PostalCode: 94065
Country: US
RegDate: 2010-09-14
Updated: 2018-04-15
Ref: https://rdap.arin.net/registry/entity/INCAP-5

OrgTechHandle: HASID-ARIN
OrgTechName: Hasid, Ortal
OrgTechPhone: +505113315
OrgTechEmail: ortal.hasid@imperva.com
OrgTechRef: https://rdap.arin.net/registry/entity/HASID-ARIN

OrgTechHandle: INCAP3-ARIN
OrgTechName: Incapsula, Imperva
OrgTechPhone: +1-450-405-4945
OrgTechEmail: netops@incapsula.com
OrgTechRef: https://rdap.arin.net/registry/entity/INCAP3-ARIN

OrgTechHandle: KURTZ49-ARIN
OrgTechName: Kurtzer, Olga
OrgTechPhone: +1-650-345-9004
OrgTechEmail: olga.kurtzer@imperva.com
OrgTechRef: https://rdap.arin.net/registry/entity/KURTZ49-ARIN

OrgNOCHandle: INCAP2-ARIN
OrgNOCName: Incapsula Operations
OrgNOCPhone: +1-866-250-7659
OrgNOCEmail: ip@incapsula.com
OrgNOCRef: https://rdap.arin.net/registry/entity/INCAP2-ARIN

OrgAbuseHandle: INCAP1-ARIN
OrgAbuseName: Incapsula AbuseDesk
OrgAbusePhone: +1-866-250-7659
OrgAbuseEmail: abuse@incapsula.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/INCAP1-ARIN

OrgTechHandle: BRONS9-ARIN
OrgTechName: Bronstein, Tomer
OrgTechPhone: +1-866-250-7659
OrgTechEmail: tomer.bronshtein@imperva.com
OrgTechRef: https://rdap.arin.net/registry/entity/BRONS9-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.
#

21st.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: 21ST.COM
Registry Domain ID: 2145590_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.corporatedomains.com
Registrar URL: http://cscdbs.com
Updated Date: 2024-09-06T12:01:08Z
Creation Date: 1994-12-08T05:00:00Z
Registry Expiry Date: 2025-12-07T05:00:00Z
Registrar: CSC Corporate Domains, Inc.
Registrar IANA ID: 299
Registrar Abuse Contact Email: domainabuse@cscglobal.com
Registrar Abuse Contact Phone: 8887802723
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.A0.IMPERVASECUREDNS.NET
Name Server: NS1.A1.IMPERVASECUREDNS.NET
Name Server: NS1.A2.IMPERVASECUREDNS.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-12T05:37:43Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

21st.com HTML Check

HTML Validation Tool

Errors

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Bad value “/insurance-information/webpub/en/pages/css/styles.css?v=Fri Mar 01 12:23:14 EST 2019” for attribute “href” on element “link”: Illegal character in query: space is not allowed.

Bad value “screen, projection” for attribute “media” on element “link”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.

Bad value “https://fonts.googleapis.com/css?family=Lato:300,400,700|Open+Sans:300,400,600,700” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.

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

Duplicate ID “start-quote-footer”.

Duplicate ID “retrieve-quote”.

Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.

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

Warnings

The “type” attribute is unnecessary for JavaScript resources.

The first occurrence of ID “start-quote-footer” was here.

The first occurrence of ID “retrieve-quote” was here.

Empty heading.

21st.com Desktop Performance

Last tested: 06/03/2017

Desktop Speed

75%

Leverage browser caching

Optimize images

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

Reduce server response time

Minify CSS

Enable compression

Minify HTML

Minify JavaScript

Desktop Resource Breakdown

Total Resources	61
Number of Hosts	19
Static Resources	37
JavaScript Resources	27
CSS Resources	3

21st.com Mobile Insights

Last tested: 05/31/2017

Mobile Usability

98%

Size tap targets appropriately

Mobile Speed

63%

Leverage browser caching

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

Reduce server response time

Optimize images

Enable compression

Minify CSS

Minify HTML

Minify JavaScript

Mobile Resource Breakdown

Total Resources	61
Number of Hosts	15
Static Resources	42
JavaScript Resources	21
CSS Resources	3

21st.com Common Typos

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21st.com California Car Insurance | Online Quotes | 21st.com

Find out everything you need to know about having California car insurance and get a quick, low CA auto insurance quote at no cost.

21st.com Overview

21st.com Rank Summary

21st.com Website Safety

21st.com Rank History

21st.com Hosting Information

21st.com Domain Registration and Settings

21st.com HTML Check

21st.com Desktop Performance

21st.com Mobile Insights

21st.com Similar Audits

21st.com Common Typos