Skip to main content
SGSiteGraph

zha.com

Global Architecture Studio | ZHA Architects

Last scanned Jul 26, 2026, 11:19 AM

88

Overall score

Great

Summary

Explore ZHA Architects, a global architecture and design studio creating innovative cultural, civic, transport, workplace, and urban projects. This website uses Next.js behind Cloudflare CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (80/100). Top issue: Multiple H1 headings found.

Explore ZHA Architects, a global architecture and design studio creating innovative cultural, civic, transport, workplace, and urban projects.

Top issues to fix

5 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.

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

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

  • 20 broken links on the page

    SEO

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

85

SEO

3 issue(s) found

80

Performance

1.45 s

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.

Explore ZHA Architects, a global architecture and design studio creating innovative cultural, civic, transport, workplace, and urban projects.

Meta tags

Title
Global Architecture Studio | ZHA Architects
Description
Explore ZHA Architects, a global architecture and design studio creating innovative cultural, civic, transport, workplace, and urban projects.
Canonical
https://www.zha.com
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
index
Manifest
https://www.zha.com/site.webmanifest

OpenGraph & Twitter Card

OpenGraph

og:title
Global Architecture Studio | ZHA Architects
og:description
Explore ZHA Architects, a global architecture and design studio creating innovative cultural, civic, transport, workplace, and urban projects.
og:type
website
og:url
https://www.zha.com

Twitter Card

twitter:card
summary_large_image
twitter:title
Global Architecture Studio | ZHA Architects
twitter:description
Explore ZHA Architects, a global architecture and design studio creating innovative cultural, civic, transport, workplace, and urban projects.

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
Cloudflare
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
zha.com
Valid from
Jul 20, 2026
Valid to
Oct 18, 2026
Days until expiry
81
SAN domains
*.zha.com, zha.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 38 · H2 2 · H3 0

Links

35 internal · 1 external · 20 broken

Images

49 total · 0 missing alt

Scripts / Styles

30 scripts · 7 stylesheets

JS / CSS size

117 KB · 0 B

Page size

416 KB

Robots.txt & Sitemap

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

SEO issues

  • Multiple H1 headings found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://zha.com
Final URL
https://www.zha.com/
HTTP status
200
HTTP version
HTTP/2
Response time
1.45 s
HTML size
416 KB
Redirect chain
https://zha.com → https://www.zha.com/

See something wrong on this report? Request a correction

Frequently asked questions

What technology does zha.com use?
zha.com is built with Next.js.
Is zha.com secure (HTTPS)?
Yes. zha.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 18, 2026.
Who hosts zha.com?
Hosting provider information for zha.com is not available yet.
What is zha.com's SEO score?
zha.com scored 85/100 for SEO in the latest analysis (great).
What is zha.com's overall website score?
zha.com has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.