qt.io
Qt | Tools for Each Stage of Software Development Lifecycle
Last scanned Jul 25, 2026, 12:25 AM · 1 view
Overall score
Excellent
Summary
All the essential Qt tools for all stages of Software Development Lifecycle: planning, design, development, testing, and deployment. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: sitemap.xml not found.
All the essential Qt tools for all stages of Software Development Lifecycle: planning, design, development, testing, and deployment.
- United States
- Hosted on Cloudflare
Top issues to fix
2 issues found
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
1 issue(s) found
Performance
188 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
All the essential Qt tools for all stages of Software Development Lifecycle: planning, design, development, testing, and deployment.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Qt | Tools for Each Stage of Software Development Lifecycle
- Description
- All the essential Qt tools for all stages of Software Development Lifecycle: planning, design, development, testing, and deployment.
- Canonical
- https://www.qt.io
- 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
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 199.60.103.225
- ASN
- AS209242 (CLOUDFLARESPECTRUM - Cloudflare London, LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- b984bb61.sni.cloudflaressl.com
- Valid from
- Jul 6, 2026
- Valid to
- Oct 4, 2026
- Days until expiry
- 71
- SAN domains
- b984bb61.sni.cloudflaressl.com, www.qt.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 11 · H3 0
Links
105 internal · 7 external · 0 broken
Images
42 total · 0 missing alt
Scripts / Styles
32 scripts · 10 stylesheets
JS / CSS size
99.3 KB · 216 KB
Page size
217 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 9
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Team
People listed on this site's own team or about page.
Scan details
- Requested URL
- https://qt.io
- Final URL
- https://www.qt.io/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 184 ms
- HTML size
- 217 KB
- Redirect chain
- https://qt.io → https://www.qt.io/
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Frequently asked questions
- What technology does qt.io use?
- qt.io is built with jQuery, Google Analytics.
- Is qt.io secure (HTTPS)?
- Yes. qt.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 4, 2026.
- Who hosts qt.io?
- qt.io is hosted on Cloudflare, behind Cloudflare CDN.
- What is qt.io's SEO score?
- qt.io scored 95/100 for SEO in the latest analysis (excellent).
- What is qt.io's overall website score?
- qt.io has an overall SiteGraph score of 96/100, combining SEO, performance, security, and accessibility.
- Is qt.io hiring?
- qt.io has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card