www.costargroup.com
Registered
Page analyze update date:
2026/06/19 23:15:57
Last whois update date:
2026/08/03 12:32:12
Domain Status
Registered
Paid till
22.03.2027
Available from
21.04.2027
×
![Fullscreen website screenshot]()
www.costargroup.com Website screenshot
SEO Score
68.49%
100
Score achieved
146
Maximum score
Main Information
Title: Home | CoStar Group
Description: Discover the top commercial real estate brands offering innovative solutions, industry insights, and market leadership
Keywords: unknown
Page Encoding:
utf-8
Page Filesize: 227 KB
Server Information
IP: 184.31.80.32
Location: Germany,DE,Frankfurt am Main,60313,50.1169,8.6837,Europe/Berlin
Http Server: nginx
Encoding: utf-8
Meta Tags List
- charset: utf-8
- name: description content: Discover the top commercial real estate brands offering innovative solutions, industry insights, and market leadership
- property: og:image content: https://www.costargroup.com/sites/costargroup.com/files/costar-group-logo.png
- name: Generator content: Drupal 10 (https://www.drupal.org)
- name: MobileOptimized content: width
- name: HandheldFriendly content: true
- name: viewport content: width=device-width, initial-scale=1.0
- equiv: Content-Security-Policy content: child-src 'self' blob:; worker-src 'self' blob:; script-src 'self' https://cdn.logrocket.io https://cdn.lr-ingest.io https://cdn.lr-in.com https://cdn.lr-in-prod.com https://cdn.lr-ingest.com https://cdn.ingest-lr.com; connect-src https://*.logrocket.io https://*.lr-ingest.io https://*.logrocket.com https://*.lr-in.com https://*.lr-in-prod.com https://*.lr-ingest.com https://*.lr-ingest.com https://*.ingest-lr.com
Internal Links
External Links
Whois Information
domain_name: costargroup.com
update_date: 2026-02-18T12:05:42Z
update_time: 1771416342
creation_date: 1999-03-22T05:00:00Z
creation_time: 922078800
expiration_date: 2027-03-22T04:00:00Z
Whois Raw Data
Domain Name: COSTARGROUP.COM
Registrar: MarkMonitor Inc.
Domain Status: client delete prohibited
Domain Status: client transfer prohibited
Domain Status: client update prohibited
Creation Date: 1999-03-22T05:00:00Z
Registry Expiry Date: 2027-03-22T04:00:00Z
Updated Date: 2026-02-18T12:05:42Z
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
REGISTRAR Contact: MarkMonitor Inc.
>>> Last update of RDAP database: 2026-08-03T12:32:12Z
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
✓
Character Encoding
Page: utf-8, Header: utf-8
Character encoding consistent between HTML and headers.
✓
Page Size
232515 bytes
Page size acceptable for fast loading.
!
Resources
74 total
Too many resources. Optimize and combine files for better performance.
✓
Hreflang Tags
1 hreflang tags
Hreflang tags found for multilingual SEO.
!
Robots.txt
Missing
Add robots.txt file to control search engine crawling.
!
Sitemap
Not found
Add sitemap.xml and reference it in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
✓
Compression
gzip
Gzip or Zstd compression enabled for faster loading.
✓
Caching
must-revalidate, no-cache, private
Cache-control headers properly set.
✓
Page Speed
8.07 ms
Excellent loading speed.
On-Page SEO
!
Title
Home | CoStar Group
Title too short. Expand to 30-60 characters for better SEO.
✓
Meta Description
Discover the top commercial real estate brands offering innovative solutions, industry insights, and market leadership Lenght:118
Good meta description length (100-160 characters).
✓
H1 Heading
1 found - "A Global Leader in the Digital Transformation of the $300+ Trillion Real Estate Industry"
Good - single H1 heading found.
✓
Word Count
738
Good content length (500-2000 words recommended).
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
Meta keywords are optional (not used by major search engines).
Content and UX
✓
Language
en
Language attribute properly set.
!
Images
39 total, 38 missing ALT
Add ALT text to images for accessibility and SEO.
✓
Viewport
width=device-width, initial-scale=1.0
Viewport meta tag properly set for mobile devices.
!
Open Graph
Missing: og:title, og:description, og:url
Add missing OpenGraph tags for social media sharing: og:title, og:description, og:url
✓
Structured Data
2 JSON-LD scripts
Structured data (JSON-LD) found.