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czi.com

Chan Zuckerberg Initiative - Our Work

Last scanned Jul 29, 2026, 11:00 PM · 12 views

96

Overall score

Excellent

Summary

The Chan Zuckerberg Initiative tackles society’s toughest challenges: eradicating disease, improving education, and addressing local communities. This website uses WordPress. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (95/100) and performance excellent (100/100). Top issue: robots.txt not found.

The Chan Zuckerberg Initiative tackles society’s toughest challenges: eradicating disease, improving education, and addressing local communities.

Top issues to fix

4 issues found

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • 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.

90

SEO

2 issue(s) found

100

Performance

275 ms

95

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+6 overall since Jul 22, 2026

Overall
96
SEO
90
Security
95
Performance
100
Accessibility
100

Organization

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

The Chan Zuckerberg Initiative tackles society’s toughest challenges: eradicating disease, improving education, and addressing local communities.

FacebookInstagramLinkedInX (Twitter)YouTube

Meta tags

Title
Chan Zuckerberg Initiative - Our Work
Description
The Chan Zuckerberg Initiative tackles society’s toughest challenges: eradicating disease, improving education, and addressing local communities.
Canonical
https://chanzuckerberg.com/
Language
en-US
Charset
UTF-8
Viewport
width=device-width, initial-scale=1
Robots meta
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
The Chan Zuckerberg Initiative’s Work
og:description
Founded by Priscilla Chan and Mark Zuckerberg, CZI works to eradicate disease, improve education, and support communities.
og:type
website
og:url
https://chanzuckerberg.com/

Twitter Card

twitter:card
summary_large_image
twitter:title
Our Approach to Solving Society’s Toughest Problems
twitter:description
We’re working to eradicate disease, improve education and address the needs of our local community.

Technologies

Detected frameworks, languages, and tools.

WordPressjQueryNginx

Hosting & CDN

Hosting provider
—
CDN provider
—
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
chanzuckerberg.com
Valid from
Jul 29, 2026
Valid to
Oct 27, 2026
Days until expiry
89
SAN domains
chanzuckerberg.com

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 3 · H3 4

Links

26 internal · 8 external · 20 broken

Images

13 total · 0 missing alt

Scripts / Styles

14 scripts · 3 stylesheets

JS / CSS size

2.1 KB · 13.2 KB

Page size

55.0 KB

Robots.txt & Sitemap

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

SEO issues

  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://czi.com
Final URL
https://chanzuckerberg.com/
HTTP status
200
HTTP version
HTTP/2
Response time
274 ms
HTML size
55.0 KB
Redirect chain
https://czi.com → https://chanzuckerberg.com/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does czi.com use?
czi.com is built with WordPress, jQuery, Nginx.
Is czi.com secure (HTTPS)?
Yes. czi.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 27, 2026.
Who hosts czi.com?
Hosting provider information for czi.com is not available yet.
What is czi.com's SEO score?
czi.com scored 90/100 for SEO in the latest analysis (excellent).
What is czi.com's overall website score?
czi.com has an overall SiteGraph score of 96/100, combining SEO, performance, security, and accessibility.
Has czi.com's score changed over time?
czi.com's overall score has improved by 6 points (from 90 to 96) since Jul 22, 2026.