zscaler.com
Leading Cloud Enterprise Security Provider for Zero Trust
Last scanned Jul 29, 2026, 2:00 PM · 13 views
Overall score
Excellent
Summary
Zscaler is a leading cloud enterprise security provider helping global businesses adopt zero trust for secure digital transformation. This website uses Next.js behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: robots.txt not found.
Zscaler is a leading cloud enterprise security provider helping global businesses adopt zero trust for secure digital transformation.
Top issues to fix
4 issues found
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
326 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 21, 2026
- Overall
- 92
- SEO
- 90
- Security
- 90
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Zscaler is a leading cloud enterprise security provider helping global businesses adopt zero trust for secure digital transformation.
Contact
Email, phone, and address published on this site's own pages.
- Phone
- +1 408.533.0288
Meta tags
- Title
- Leading Cloud Enterprise Security Provider for Zero Trust
- Description
- Zscaler is a leading cloud enterprise security provider helping global businesses adopt zero trust for secure digital transformation.
- Canonical
- https://www.zscaler.com
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- DigiCert Inc
- Subject
- www.zscaler.com
- Valid from
- Jan 27, 2026
- Valid to
- Feb 24, 2027
- Days until expiry
- 210
- SAN domains
- www.zscaler.com, zscaler.com, cms.zscaler.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 9 · H3 7
Links
123 internal · 31 external · 20 broken
Images
44 total · 0 missing alt
Scripts / Styles
31 scripts · 6 stylesheets
JS / CSS size
120 KB · 120 B
Page size
357 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://zscaler.com
- Final URL
- https://www.zscaler.com:443/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 319 ms
- HTML size
- 357 KB
- Redirect chain
- https://zscaler.com → https://www.zscaler.com:443/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does zscaler.com use?
- zscaler.com is built with Next.js, Drupal.
- Is zscaler.com secure (HTTPS)?
- Yes. zscaler.com uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Feb 24, 2027.
- Who hosts zscaler.com?
- Hosting provider information for zscaler.com is not available yet.
- What is zscaler.com's SEO score?
- zscaler.com scored 90/100 for SEO in the latest analysis (excellent).
- What is zscaler.com's overall website score?
- zscaler.com has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
- Has zscaler.com's score changed over time?
- zscaler.com's overall score has declined by 3 points (from 95 to 92) since Jul 21, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card