seelen.io
Seelen UI - Customize Your Windows Desktop (Free Download) | Seelen
Last scanned Aug 24, 2026, 1:22 PM · 2 views
Overall score
Excellent
Summary
Seelen UI is a powerful desktop customization tool for Windows 10 and 11. This website uses Next.js hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Seelen
Seelen UI is a powerful desktop customization tool for Windows 10 and 11. Add widgets, tiling window management, and fully customize your desktop. Download Seelen UI for free.
- United States
- Hosted on Cloudflare
Top issues to fix
7 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
+1 more issue — details in the sections below.
SEO
2 issue(s) found
Performance
564 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Seelen
Seelen UI is a powerful desktop customization tool for Windows 10 and 11. Add widgets, tiling window management, and fully customize your desktop. Download Seelen UI for free.
Meta tags
- Title
- Seelen UI - Customize Your Windows Desktop (Free Download) | Seelen
- Description
- Seelen UI is a powerful desktop customization tool for Windows 10 and 11. Add widgets, tiling window management, and fully customize your desktop. Download Seelen UI for free.
- Canonical
- https://seelen.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
- 172.67.129.217
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- seelen.io
- Valid from
- Aug 24, 2026
- Valid to
- Nov 22, 2026
- Days until expiry
- 89
- SAN domains
- seelen.io, *.seelen.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 7 · H3 0
Links
14 internal · 8 external · 1 broken
Images
11 total · 0 missing alt
Scripts / Styles
87 scripts · 4 stylesheets
JS / CSS size
690 KB · 104 KB
Page size
238 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 19
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://seelen.io
- Final URL
- https://seelen.io
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 560 ms
- HTML size
- 238 KB
- Redirect chain
- https://seelen.io
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does seelen.io use?
- seelen.io is built with Next.js, Google Analytics, Cloudflare Analytics, Google Ads.
- Is seelen.io secure (HTTPS)?
- Yes. seelen.io uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Nov 22, 2026.
- Who hosts seelen.io?
- seelen.io is hosted on Cloudflare, behind Cloudflare CDN.
- What is seelen.io's SEO score?
- seelen.io scored 90/100 for SEO in the latest analysis (excellent).
- What is seelen.io's overall website score?
- seelen.io has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- What company operates seelen.io?
- seelen.io is operated by Seelen. Seelen UI is a powerful desktop customization tool for Windows 10 and 11. Add widgets, tiling window management, and fully customize your desktop. Download Seelen UI for free.
OpenGraph & Twitter Card
OpenGraph
Twitter Card