Kleon
Kleon is an ASO keyword rank tracker for Mac. See where your iOS app really ranks in App Store search, read from the store itself, 250 results deep. Private on your Mac, no account, and a failed check is never shown as zero.
What we found
- It sends three of the six security headers we check; Content-Security-Policy is among those missing.
- The site is hosted on Hetzner Online GmbH in Germany, with a domain registered 3 months before launch.
- It welcomes AI crawlers and publishes an llms.txt.
Built with: 5 technologies
| Technology | Type |
|---|---|
| Infrastructure | |
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DNS |
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OS |
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|
Server |
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Transactional email |
| Analytics & Marketing | |
|
|
SEO |
Each technology links to its own page: which other new sites launched with it.
Site checks
| Custom title and meta description | |
| Open Graph tags (title, image, description) | |
| Twitter card meta tags | |
| Canonical URL declared | |
| Responsive viewport meta tag | |
| Favicon present | |
| Semantic HTML (nav, main, article) | |
| Meta description is 224 characters Google only shows about 155–160 characters of the description in desktop search results (less on mobile); anything past that won't appear. |
| Referrer-Policy | |
| X-Frame-Options | |
| Permissions-Policy experimental | |
| X-Content-Type-Options | |
| Content-Security-Policy | |
| Strict-Transport-Security | |
| X-XSS-Protection deprecated, not counted |
| Privacy policy /privacy/ | |
| Terms of service /terms/ |
Mentions: Cookies, DPO
| robots.txt | |
| sitemap.xml 3 URLs | |
| security.txt optional | |
| llms.txt | |
| ads.txt only for ad-funded sites | |
| humans.txt optional |
| llms.txt published | |
| No AI bots blocked in robots.txt | |
| Content-Signal none declared | |
| Link headers none advertised |
| State | Record | Status |
|---|---|---|
| SPF ~all | Soft-fail (~all), common and accepted | |
| DMARC p=reject | Reject (strict) | |
| DKIM | Not found at common selectors | |
| MTA-STS | Not deployed | |
| TLS-RPT | Not configured |
Hosting and network
| Network | HETZNER-AS - Hetzner Online GmbH, DE AS24940, DE |
|---|---|
| DNS | Squarespace DNS authoritative nameservers |
| DNSSEC | Enabled DNS answers are signed |
| Certificate | Let's Encrypt valid 27 Oct 2026 to 25 Jan 2027, as captured |
| Domain age | 3 months registered Aug 2026, Squarespace Domains II LLC. |
| Green hosting | Yes per The Green Web Foundation |
| Page build | 1 JS file, 0 CSS files 1 third-party domain |
| Brand colours |
Storage: 0 items
Nothing stored in the browser on page load.
Performance
| Measure | This site | Reading |
|---|---|---|
| Server response | 147 ms | good, faster than 80% of sites |
| Largest contentful paint | 1,616 ms | good |
| Layout shift | 0.05 | good |
| Page weight | 791 KB | light |
| Image weight | 598 KB | fair |
| Images | 9 | 7 larger than shown, 2 without width and height, 6 without alt text |
| Third-party domains | 1 | |
| Console errors | 0 | none |
| Failed requests | 0 | none |
From a single automated render of the home page. A quick guide, not a substitute for Lighthouse or field data. How we measure
Notes
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Looks AI-built: many AI signals.
How much the site looks AI-generated. It is a pattern match shown for interest, not a verdict.
Which signals fired
Signal Points AI writing signals +3 AI code-structure signals +5 Recognised AI builder signature +30 - Performance comes from one render on 7 November 2026 and will vary between visits.
How we know
FirstSited records what new websites are built with, usually within a day of going live. Most we find ourselves, by watching public internet infrastructure for brand-new sites; the rest come from Product Hunt, Hacker News and PeerPush. We checked this one in full: its tech stack, DNS, security headers and page basics. This page is what we saw on 7 November 2026; the live site may have changed since.
Every technology below links to its own page: which other new sites launched with it. Watch any of them and get every new site that uses it as it goes live, from £15 a month.

