Costar.com CoStar | # 1 Commercial Real Estate Information Company

CoStar, the world leader in commercial real estate information, has the most comprehensive database of real estate data throughout the US, Canada, UK ...

Costar.com Overview

/100, User Experience 99/100

CoStar.com is a commercial real estate information company that takes pride in being the world leader in providing the most comprehensive database of real estate data throughout the US, Canada, UK, and France. Their website is designed to provide quick and easy access to the wealth of information on commercial properties available worldwide. The website is very popular with 1814 unique users per day and approximately 24307 page views per day, which is an indication that it provides valuable information to its visitors.

The homepage of the website has a straightforward design with well-organized content providing information on the various services offered by the company. The top of the homepage features the company logo and search bar that allows visitors to search for properties and data. The header section displays various links that will direct visitors to relevant sections of the website, including search options for commercial property listings, research, news, and marketing opportunities.

The website has different categories, including properties, research, and news. These categories are easy to navigate through using the main menu. Visitors can also use the search bar to search for specific listings or commercial real estate reports. The property listings page displays the various commercial properties available, with their details and location displayed. Visitors can filter the listings based on their preferences such as location, property type, and price range. The research section is where visitors can find detailed reports on property trends, market analysis, and other relevant data. The news section provides updates on the latest happenings in the commercial real estate market.

One notable feature of the website is its security. The website is SSL certified by DigiCert Inc, which means users can trust the website to handle their information safely. The website is also hosted by AKAMAI-AS, which is a reputable hosting provider.

In terms of speed, the PageSpeed Insights score for CoStar.com is 54/100, which is below average. However, the user experience score is 99/100, indicating that users find the website easy to navigate.

Overall, CoStar.com is an essential website for anyone looking to find relevant information on commercial real estate. The website’s easy-to-use interface, comprehensive database, and secure platform make it an invaluable resource for professionals in the industry.

Costar.com Rank Summary

Global Rank

23,890

Average Load Time

1.52sec

Links In Count

1,709

Website Value

$429,669

Audience Geography. Where are costar.com visitors located?

Country	Visitors
United States US	97.2%
Canada CA	1.7%
Other	1.2%

Country	Pageviews
United States US	99.2%
Canada CA	0.5%
Other	0.3%

Country	Rank
United States US	5084
Canada CA	32700

Where do visitors go on costar.com?

Subdomain	Pageviews
property2.costar.com	51.4%
property.costar.com	30.45%
product.costar.com	5.79%
costar.com	5.28%
gateway.costar.com	3.72%
listingmanager.costar.com	1.68%
access.costar.com	0.64%
product2.costar.com	0.37%
cynergy.costar.com	0.36%
other	0.3%

Subdomain	Pageviews per User
property2.costar.com	19
property.costar.com	12
cynergy.costar.com	8
product2.costar.com	3.1
access.costar.com	2.9
intranetapm.costar.com	2
product1.costar.com	2
listingmanager.costar.com	2
gateway.costar.com	1.2
costar.com	1.1
other	0.55

Subdomain	Reach
product.costar.com	72.9%
costar.com	66.28%
gateway.costar.com	44.16%
property2.costar.com	37.78%
property.costar.com	34.25%
listingmanager.costar.com	11.99%
access.costar.com	3.14%
product2.costar.com	1.67%
cynergy.costar.com	0.62%
intranetapm.costar.com	0.53%
other	0.42%

How popular is costar.com?

Period	Global Rank	Global Rank Delta
past 3 months	23890	5291
past month	30101	9828
past week	31188	-9307
yesterday	63507	48270

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	9126	2070	824	-25.3%	13.4	1%
30	11254	3578	662	-32.96%	14	4%
7	13153	-2292	569	19%	12	-14.05%
1	36162	29452	19	-83.795%	8	-28.43%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	34414	7516	228	-26.28%
30	43584	14083	17	-35.74%
7	44028	-14721	17	40%
1	93990	72063	8	-77.349%

Costar.com Website Safety

Overview

Last Updated: 11/22/2024

Overall result - costar.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: 03/21/2024

costar.com is safe.

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

Google Safe Search

Last Updated: 02/07/2019

costar.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

costar.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: 02/22/2020

costar.com is safe.

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

Web of Trust

Last Updated: 01/09/2019

costar.com child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	gateway.costar.com
Issuer Organization	DigiCert Inc
Issuer	DigiCert SHA2 Extended Validation Server CA
Algorithm	RSA-SHA256
Valid form	08/07/2024
Expiration	08/07/2025
Signed	Certificate is not self signed
Additional Domains	gateway.costar.com ads.csgpmarketplace.com ahprd1cdn.csgpimgs.com ahprd2cdn.csgpimgs.com ahprd3cdn.csgpimgs.com ahprd4cdn.csgpimgs.com ahprdcdn1.costar.com ahprdcdn1.csgpimgs.com ahprdcdn2.costar.com ahprdcdn2.csgpimgs.com ahprdcdn3.costar.com ahprdcdn3.csgpimgs.com ahprdcdn4.costar.com ahprdcdn4.csgpimgs.com auth.bizquest.com auth.costargroup.com authx.costargroup.com belbex.com costar.co.uk costar.com costargroup.com costarmobile.costar.com crm.costar.com ecom.csgpmarketplace.com entrepots.grecam.com extranet.grecam.com fieldresearch-bff.costargroup.com fulfillment.csgpmarketplace.com gateway-prd.costar.com grecam.com images1.cityfeet.com images1.showcase.com images2.showcase.com images3.showcase.com images4.showcase.com investor.costargroup.com investors.costargroup.com ir.costargroup.com listingmanager.costar.com m.showcase.com marketingcenter.costar.com mobile.costar.com mobilebff.costar.com oih.grecam.com order.csgpmarketplace.com partner-auth.costargroup.com payments.csgpmarketplace.com pds.cityfeet.com pds.costar.com pds.showcase.com pds1.costar.com pds2.costar.com pds3.costar.com preferences.costargroup.com pricing.csgpmarketplace.com product.costar.com product1.costar.com product2.costar.com product3.costar.com productmgmt.csgpmarketplace.com property.costar.com property2.costar.com property3.costar.com registration.costargroup.com s.csgpimgs.com secure.belbex.com secure.costargroup.com showcase-app.costar.com showcase-prd.costar.com signtechmobilebff.costargroup.com subscription.csgpmarketplace.com t0.products.costar.com t0.property.costar.com t0.property2.costar.com t0.property3.costar.com t1.products.costar.com t1.property.costar.com t1.property2.costar.com t1.property3.costar.com t2.products.costar.com t2.property.costar.com t2.property2.costar.com t2.property3.costar.com tax.csgpmarketplace.com vapi.costar.com vapi.costargroup.com we.costar.com widget.csgpmarketplace.com www.belbex.com www.costar.co.uk www.costar.com www.costargroup.com www.grecam.com

Costar.com Rank History

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

Costar.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 16625

ASN Title: AKAMAI-AS - Akamai Technologies, Inc., US

Last Update: 07/16/2024

#
# 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: 16625
ASName: AKAMAI-AS
ASHandle: AS16625
RegDate: 2000-05-29
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16625

OrgName: Akamai Technologies, Inc.
OrgId: AKAMAI
Address: 150 Broadway
City: Cambridge
StateProv: MA
PostalCode: 02142
Country: US
RegDate: 1999-01-21
Updated: 2018-02-14
Ref: https://rdap.arin.net/registry/entity/AKAMAI

OrgAbuseHandle: NUS-ARIN
OrgAbuseName: NOC United States
OrgAbusePhone: +1-617-444-2535
OrgAbuseEmail: abuse@akamai.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NUS-ARIN

OrgTechHandle: SJS98-ARIN
OrgTechName: Schecter, Steven Jay
OrgTechPhone: +1-617-274-7134
OrgTechEmail: ip-admin@akamai.com
OrgTechRef: https://rdap.arin.net/registry/entity/SJS98-ARIN

OrgTechHandle: IPADM11-ARIN
OrgTechName: ipadmin
OrgTechPhone: +1-617-444-0017
OrgTechEmail: ip-admin@akamai.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPADM11-ARIN

OrgTechHandle: ZIPKI-ARIN
OrgTechName: Zipkin, Justin
OrgTechPhone: +1-617-444-9713
OrgTechEmail: ip-admin@akamai.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZIPKI-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.
#

Costar.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: COSTAR.COM
Registry Domain ID: 1870855_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.markmonitor.com
Registrar URL: http://www.markmonitor.com
Updated Date: 2023-10-08T10:33:09Z
Creation Date: 1994-11-10T05:00:00Z
Registry Expiry Date: 2024-11-09T05:00:00Z
Registrar: MarkMonitor Inc.
Registrar IANA ID: 292
Registrar Abuse Contact Email: abusecomplaints@markmonitor.com
Registrar Abuse Contact Phone: +1.2086851750
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: A1-73.AKAM.NET
Name Server: A22-64.AKAM.NET
Name Server: A3-65.AKAM.NET
Name Server: A4-66.AKAM.NET
Name Server: A6-67.AKAM.NET
Name Server: A9-64.AKAM.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-10T23:52:06Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
costar.com	23.47.181.29	20

Host	MX Record	Priority	TTL
costar.com	mx3.costar.com	20	600
costar.com	mx2.costar.com	10	600
costar.com	mx1.costar.com	10	600
costar.com	mx4.costar.com	20	600

Host	NS Record	TTL
costar.com	a22-64.akam.net	600
costar.com	a3-65.akam.net	600
costar.com	a6-67.akam.net	600
costar.com	a9-64.akam.net	600
costar.com	a4-66.akam.net	600
costar.com	a1-73.akam.net	600

Host	TXT Record	TTL
costar.com	adobe-sign-verification=1d48bbfc701435de69aaa739f3760b3a	300
costar.com	logmein-verification-code=6343f47d-66e6-420d-9d7e-00b416ceb76f	300
costar.com	MS=ms77657212	300
costar.com	google-site-verification=2MlwRZ3OLoBXvFTfO4sxBIjRuPCdBSO-ka2TkUKDtjk	300
costar.com	v=spf1 ip4:65.200.12.0/24 ip4:204.253.48.0/24 ip4:65.222.180.0/24 ip4:65.222.181.0/24 ip4:65.210.23.0/24 include:spf.mandrillapp.com include:amazonses.com -all	300
costar.com	google-site-verification=-cLIa88IwmiH9Qa8DXtX07M6_oBqCpO1sQI2IzZ5uII	300
costar.com	google-site-verification=SfCK9nnNCBdYWhLTQsadIIyA1_u0dhep8mOts-df-K0	300
costar.com	adobe-idp-site-verification=24664704b6bf9cad007ee8e4e6f54db759418404868491369b399f373520defd	300
costar.com	segment-site-verification=B4D17fO1iOGJwRHpvxgLskQaG5hvSunB	300
costar.com	facebook-domain-verification=gx1cs3gbyrsju4n0u8rnja67ki8kf9	300
costar.com	8niIaC4lkHKUdeF/qMfOiBO6ohbU5THo1O6NNTx1CfbVZBMuoZ5wUEBN0SlYFjAVdcUe4QCi4V8mEtwLzUyOEw==	300
costar.com	MS=ms31196382	300
costar.com	citrix-verification-code=42c6f62f-b974-4c3a-b70a-6428068290db	300

ns1.costar.com
TTL: 600
Email address: hostmaster.costar.com
Serial: 2019080601
Refresh: 10800
Retry: 3600
Expire: 1209600
Minimum: 3600

Costar.com HTML Check

HTML Validation Tool

Errors

A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.

CSS: “font”: “CostarBrownLight” is not a “font” value.

CSS: Parse Error.

Duplicate ID “productLink”.

Duplicate ID “add-listing-button-nav”.

End tag “div” seen, but there were open elements.

Unclosed element “ul”.

Element “div” 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.)

Stray end tag “sub”.

End tag “h1” seen, but there were open elements.

Unclosed element “sup”.

Heading cannot be a child of another heading.

Stray end tag “h2”.

CSS: “display”: Parse Error.

The “aria-labelledby” attribute must point to an element in the same document.

Warnings

The “type” attribute is unnecessary for JavaScript resources.

The “type” attribute for the “style” element is not needed and should be omitted.

The “navigation” role is unnecessary for element “nav”.

The first occurrence of ID “productLink” was here.

The first occurrence of ID “add-listing-button-nav” was here.

Empty heading.

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

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

Costar.com Desktop Performance

Last tested: 08/13/2016

Desktop Speed

68%

Leverage browser caching

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

Optimize images

Minify JavaScript

Reduce server response time

Minify CSS

Desktop Resource Breakdown

Total Resources	94
Number of Hosts	10
Static Resources	79
JavaScript Resources	25
CSS Resources	8

Costar.com Mobile Insights

Last tested: 12/07/2019

Mobile Usability

100%

Mobile Speed

54%

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

Avoid landing page redirects

Optimize images

Enable compression

Leverage browser caching

Reduce server response time

Minify HTML

Mobile Resource Breakdown

Total Resources	93
Number of Hosts	20
Static Resources	48
JavaScript Resources	27
CSS Resources	5

Costar.com Common Typos

www.costar.com
www.costar.net
www.costar.org
www.costar.info
www.costar.biz
www.costar.us
www.costar.mobi
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www.xostar.com
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www.costar.con

Costar.com CoStar | # 1 Commercial Real Estate Information Company

CoStar, the world leader in commercial real estate information, has the most comprehensive database of real estate data throughout the US, Canada, UK ...

Costar.com Overview

Costar.com Rank Summary

Costar.com Website Safety

Costar.com Rank History

Costar.com Hosting Information

Costar.com Domain Registration and Settings

Costar.com HTML Check

Costar.com Desktop Performance

Costar.com Mobile Insights

Costar.com Similar Audits

Costar.com Common Typos