What technology does f5.si use?

f5.si is built with Bootstrap, jQuery, Google Analytics, Google Ads.

Is f5.si secure (HTTPS)?

Yes. f5.si uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 5, 2026.

Hosting provider information for f5.si is not available yet.

What is f5.si's SEO score?

f5.si scored 60/100 for SEO in the latest analysis (fair).

What is f5.si's overall website score?

f5.si has an overall SiteGraph score of 69/100, combining SEO, performance, security, and accessibility.

f5.si

DDNS Now - 無料ダイナミックDNSサービス

Last scanned Jul 26, 2026, 5:18 AM

Overall score

Fair

Summary

DDNS Nowは、永久無料のダイナミックDNSサービスです。短いドメインを匿名で簡単に取得できます。. This website uses Google Analytics behind Cloudflare CDN. SEO is fair (60/100) and accessibility is fair (50/100). Security scores good (85/100) and performance good (80/100). Top issue: Missing canonical link.

DDNS Nowは、永久無料のダイナミックDNSサービスです。短いドメインを匿名で簡単に取得できます。

Top issues to fix

12 issues found · 4 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEO
Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Over half of images are missing alt text
Accessibility
Add alt attributes to images — screen readers depend on them, and they help image SEO.
Slow estimated load (8.5s)
Performance
Use a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.

+6 more issues — details in the sections below.

SEO

6 issue(s) found

Performance

8.50 s

Security

HTTPS & header checks

Accessibility

3 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

DDNS Nowは、永久無料のダイナミックDNSサービスです。短いドメインを匿名で簡単に取得できます。

Meta tags

Title: DDNS Now - 無料ダイナミックDNSサービス
Description: DDNS Nowは、永久無料のダイナミックDNSサービスです。短いドメインを匿名で簡単に取得できます。
Canonical
Language
Charset: UTF-8
Viewport: target-densitydpi=device-dpi, initial-scale=1.0, maximum-scale=1.0, user-scalable=no
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Bootstrap jQuery Google Analytics Google Ads

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: Google Trust Services
Subject: kuku.lu
Valid from: Jun 7, 2026
Valid to: Sep 5, 2026
Days until expiry: 41
SAN domains: kuku.lu, *.kuku.lu

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyMissing
X-Frame-OptionsEnabled
X-Content-Type-OptionsMissing
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

9 internal · 16 external · 7 broken

Images

5 total · 5 missing alt

Scripts / Styles

18 scripts · 1 stylesheets

JS / CSS size

8.5 KB · 4.4 KB

Page size

35.0 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Missing canonical link
No H1 heading found
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://f5.si
Final URL: https://ddns.kuku.lu/
HTTP status: 200
HTTP version: HTTP/2
Response time: 8.50 s
HTML size: 35.0 KB
Redirect chain: https://f5.si → https://ddns.kuku.lu/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does f5.si use?: f5.si is built with Bootstrap, jQuery, Google Analytics, Google Ads.
Is f5.si secure (HTTPS)?: Yes. f5.si uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 5, 2026.
Who hosts f5.si?: Hosting provider information for f5.si is not available yet.
What is f5.si's SEO score?: f5.si scored 60/100 for SEO in the latest analysis (fair).
What is f5.si's overall website score?: f5.si has an overall SiteGraph score of 69/100, combining SEO, performance, security, and accessibility.

Top issues to fix

Organization

Meta tags

OpenGraph & Twitter Card

Technologies

Hosting & CDN

DNS records

TLS / SSL certificate

Security headers

Content & assets

Robots.txt & Sitemap

SEO issues

Accessibility issues

Scan details

Related websites

Frequently asked questions