lumentum.com
Homepage | Lumentum
Last scanned Jul 29, 2026, 8:00 PM · 22 views
Overall score
Excellent
Summary
Discover how Lumentum enables innovation through optical and photonic technologies for cloud networking, 3D sensing, lasers, and advanced manufacturing. This website uses Next.js behind CloudFront CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
Discover how Lumentum enables innovation through optical and photonic technologies for cloud networking, 3D sensing, lasers, and advanced manufacturing.
Top issues to fix
5 issues found
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
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
3 issue(s) found
Performance
548 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+1 overall since Jul 22, 2026
- Overall
- 94
- SEO
- 80
- Security
- 100
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Discover how Lumentum enables innovation through optical and photonic technologies for cloud networking, 3D sensing, lasers, and advanced manufacturing.
Meta tags
- Title
- Homepage | Lumentum
- Description
- Discover how Lumentum enables innovation through optical and photonic technologies for cloud networking, 3D sensing, lasers, and advanced manufacturing.
- Canonical
- https://www.lumentum.com/en/homepage
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- index
- Manifest
- https://www.lumentum.com/images/favicon/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- CloudFront
- 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
- GlobalSign nv-sa
- Subject
- imperva.com
- Valid from
- Jun 26, 2026
- Valid to
- Sep 24, 2026
- Days until expiry
- 56
- SAN domains
- www.lumentum.cn, lumentum.cn, neophotonics.com, *.cloudlight.com.hk, *.dc.lumentuminc.net, *.lumentum.com, cloudlight.com.hk, *.neophotonics.com, imperva.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 3 cookie(s) observed
Content & assets
Headings
H1 1 · H2 5 · H3 0
Links
26 internal · 9 external · 20 broken
Images
18 total · 0 missing alt
Scripts / Styles
17 scripts · 5 stylesheets
JS / CSS size
112 KB · 0 B
Page size
177 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://lumentum.com
- Final URL
- https://www.lumentum.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 545 ms
- HTML size
- 177 KB
- Redirect chain
- https://lumentum.com → https://www.lumentum.com/
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Frequently asked questions
- What technology does lumentum.com use?
- lumentum.com is built with Next.js, Drupal.
- Is lumentum.com secure (HTTPS)?
- Yes. lumentum.com uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Sep 24, 2026.
- Who hosts lumentum.com?
- Hosting provider information for lumentum.com is not available yet.
- What is lumentum.com's SEO score?
- lumentum.com scored 80/100 for SEO in the latest analysis (great).
- What is lumentum.com's overall website score?
- lumentum.com has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
- Has lumentum.com's score changed over time?
- lumentum.com's overall score has improved by 1 point (from 93 to 94) since Jul 22, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card