qlt.com
qlt.com - Berlin
Last scanned Jul 22, 2026, 9:09 PM · 1 view
Overall score
Great
Summary
qlt.com. This website uses Apache hosted on PRIVATESYSTEMS - PrivateSystems Networks, US. SEO is good (75/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: No H1 heading found.
qlt.com
- United States
- Hosted on PRIVATESYSTEMS - PrivateSystems Networks, US
Top issues to fix
8 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
249 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
qlt.com
Contact
Email, phone, and address published on this site's own pages.
- Alison@qlt.com
Meta tags
- Title
- qlt.com - Berlin
- Description
- qlt.com
- Canonical
- https://qlt.com
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- PRIVATESYSTEMS - PrivateSystems Networks, US
- CDN provider
- —
- IP address
- 108.160.149.69
- ASN
- AS63410 (PRIVATESYSTEMS - PrivateSystems Networks, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- www.devx.qlt.com
- Valid from
- Jun 4, 2026
- Valid to
- Sep 2, 2026
- Days until expiry
- 41
- SAN domains
- *.qlt.com, qlt.com, www.csv4.qlt.com, www.csv42.qlt.com, www.devx.qlt.com, www.v3qlt.qlt.com, www.v4qlt.qlt.com, www.v4upgrade.qlt.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 1 · H3 0
Links
3 internal · 1 external · 2 broken
Images
4 total · 0 missing alt
Scripts / Styles
3 scripts · 3 stylesheets
JS / CSS size
308 KB · 268 KB
Page size
18.0 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 1
SEO issues
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://qlt.com
- Final URL
- https://qlt.com
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 249 ms
- HTML size
- 18.0 KB
- Redirect chain
- https://qlt.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does qlt.com use?
- qlt.com is built with Apache.
- Is qlt.com secure (HTTPS)?
- Yes. qlt.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 2, 2026.
- Who hosts qlt.com?
- qlt.com is hosted on PRIVATESYSTEMS - PrivateSystems Networks, US.
- What is qlt.com's SEO score?
- qlt.com scored 75/100 for SEO in the latest analysis (fair).
- What is qlt.com's overall website score?
- qlt.com has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card