f5.si
f5.si is ranked #8,415 in the Tranco list of the world's most popular websites (list of Oct 13, 2026). The domain was registered on Jul 3, 2013, 13 years, 3 months ago, through Netim SARL, and is paid up until Jul 3, 2030. Its homepage uses jQuery, Bootstrap, Google Analytics and Google AdSense. It is served through Cloudflare and jsDelivr.
Popularity rank
#8,415 of the top 1 million sites in the Tranco research ranking, which averages several traffic and DNS sources over 30 days.
Domain registration
- Registered
- Jul 3, 2013 (13 years, 3 months ago)
- Expires
- Jul 3, 2030
- Registrar
- Netim SARL
- Name servers
pns101.cloudns.net,pns102.cloudns.net,pns103.cloudns.net,pns104.cloudns.net- DNSSEC
- —
From the registry's public RDAP record, checked Oct 14, 2026.
Technology stack
Detected from the homepage HTML and response headers on Oct 14, 2026. Tools loaded only after scripts run (or after consent banners) may be missing.
Homepage SEO check
Checked from the HTML our scanner received on Oct 14, 2026. Content added later by JavaScript isn't counted.
9 passed · 11 warnings · 3 failed
Content
- ✓Title26 characters
- ✓Meta description51 characters
- ✕H1 headingMissing in the served HTML
- !SubheadingsNo H2 headings in the served HTML
- ✕Image alt text5 of 5 images have no alt text
- ✓Content lengthAbout 1,038 words
Indexing
- ✓IndexableNo noindex directive
- !Canonical URLMissing
- !robots.txtNot found
- !XML sitemapNot found
- !Language attributeMissing
- !Structured dataNo JSON-LD or microdata
Social sharing
- ✕Open GraphMissing
- !Twitter / X cardMissing
Technical
- ✓HTTPSServed over HTTPS
- ✓Mobile viewportFound
- !FaviconMissing
- ✓Character encodingutf-8
Security headers
- ✓Strict-Transport-SecuritySet
- !Content-Security-PolicyNot set
- ✓Clickjacking protectionSet
- !X-Content-Type-OptionsNot set
- !Referrer-PolicyNot set
Server response
- Final URL
https://ddns.kuku.lu/- HTTP status
- 200
- Server
cloudflare- Response time
- 5.86 s (first byte 5.70 s, from our scanner in a US data centre)
- HTML size
- 35 KB
- Compression
- br
Sites with a similar tech stack
| Rank | Website |
|---|---|
| #7,738 | punchng.com |
| #9,204 | proxyium.com |
| #4,693 | apkpure.net |
| #8,660 | anime-sama.to |
| #8,692 | danword.com |
| #9,731 | clashofclans-layouts.com |
Sites ranked near f5.si
| Rank | Website | Registered |
|---|---|---|
| #8,410 | maybank2u.com.my | — |
| #8,411 | clickbank.net | 1997 |
| #8,412 | 91porna.com | 2024 |
| #8,413 | adnxs-simple.com | 2021 |
| #8,414 | litmarket.ru | — |
| #8,416 | idlixku.com | 2025 |
| #8,417 | hotebonytube.com | 2008 |
| #8,418 | fortunebusinessinsights.com | 2018 |
| #8,419 | twnic.net.tw | — |
| #8,420 | halktv.com.tr | — |
Questions about f5.si
How popular is f5.si?
f5.si is #8,415 worldwide in the Tranco list published Oct 13, 2026.
How old is f5.si?
f5.si was registered on Jul 3, 2013, which makes the domain 13 years, 3 months old.
What is f5.si built with?
We detected jQuery, Bootstrap, Google Analytics, Google AdSense, Cloudflare and jsDelivr on its homepage.
Who is the registrar of f5.si?
Netim SARL, according to the registry's RDAP record.