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concretecms.com

Concrete CMS is a Free and Open Source Content Management System for Teams

Last scanned Jul 27, 2026, 11:43 AM · 1 view

92

Overall score

Excellent

Summary

Concrete CMS is an open source content management system for teams. This website uses Nginx hosted on AWS behind CloudFront CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.

Concrete CMS

Concrete CMS is an open source content management system for teams. A website builder with built in tools make editing content easy.

United States
Hosted on AWS

Products & pricing

Product and pricing information published in this site's own structured data.

HOSTING

$4 USD

Top issues to fix

4 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 4 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

90

SEO

2 issue(s) found

90

Performance

850 ms

90

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Concrete CMS

Concrete CMS is an open source content management system for teams. A website builder with built in tools make editing content easy.

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
Concrete CMS is a Free and Open Source Content Management System for Teams
Description
Concrete CMS is an open source content management system for teams. A website builder with built in tools make editing content easy.
Canonical
https://www.concretecms.com/
Language
en
Charset
UTF-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Home
og:description
og:type
website
og:url
https://www.concretecms.com/

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
AWS
CDN provider
CloudFront
IP address
13.225.5.19
ASN
AS16509 (AMAZON-02 - Amazon.com, Inc., US)

DNS records

TypeValue
A
  • 13.225.5.19
  • 13.225.5.102
  • 13.225.5.78
  • 13.225.5.52
AAAA
  • 2600:9000:21b4:8600:1c:ebd:4400:93a1
  • 2600:9000:21b4:ce00:1c:ebd:4400:93a1
  • 2600:9000:21b4:6e00:1c:ebd:4400:93a1
  • 2600:9000:21b4:d200:1c:ebd:4400:93a1
  • 2600:9000:21b4:cc00:1c:ebd:4400:93a1
  • 2600:9000:21b4:6a00:1c:ebd:4400:93a1
  • 2600:9000:21b4:fc00:1c:ebd:4400:93a1
  • 2600:9000:21b4:9800:1c:ebd:4400:93a1
MX
TXT
NS
  • ns-1168.awsdns-18.org
  • ns-1859.awsdns-40.co.uk
  • ns-602.awsdns-11.net
  • ns-134.awsdns-16.com
CAA
CNAME
  • d2rfz6x14wtfrk.cloudfront.net
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Amazon
Subject
concretecms.com
Valid from
Jul 14, 2026
Valid to
Jan 27, 2027
Days until expiry
184
SAN domains
concretecms.com, *.concretecms.com

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 5 · H3 4

Links

45 internal · 16 external · 4 broken

Images

17 total · 0 missing alt

Scripts / Styles

22 scripts · 3 stylesheets

JS / CSS size

800 KB · 474 KB

Page size

46.3 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
20
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Title longer than 60 characters
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://concretecms.com
Final URL
https://www.concretecms.com/
HTTP status
200
HTTP version
HTTP/2
Response time
850 ms
HTML size
46.3 KB
Redirect chain
https://concretecms.com → https://www.concretecms.com/

See something wrong on this report? Request a correction

Frequently asked questions

What technology does concretecms.com use?
concretecms.com is built with jQuery, Google Analytics, Nginx.
Is concretecms.com secure (HTTPS)?
Yes. concretecms.com uses TLS 1.3 with a certificate issued by Amazon, valid until Jan 27, 2027.
Who hosts concretecms.com?
concretecms.com is hosted on AWS, behind CloudFront CDN.
What is concretecms.com's SEO score?
concretecms.com scored 90/100 for SEO in the latest analysis (excellent).
What is concretecms.com's overall website score?
concretecms.com has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
What company operates concretecms.com?
concretecms.com is operated by Concrete CMS. Concrete CMS is an open source content management system for teams. A website builder with built in tools make editing content easy.
What products does concretecms.com offer?
concretecms.com offers HOSTING.