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PreviewChecks

Find Open Graph, X card, Pinterest and chat preview issues before links are shared.

Marketing

Added June 5, 2026 · Last analysed June 5, 2026 · via PeerPush

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Screenshot of PreviewChecks

StackScope records what new websites are built with, the week they launch. Most we find ourselves, by watching public internet infrastructure for brand-new sites; the rest come from Product Hunt, Hacker News and PeerPush. We crawled this one for its tech stack and scored it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 5 June 2026; the live site may have changed since.

Every technology below links to its own page: which other new sites launched with it. Vendors and agencies watch those pages with Stackdar and hear about new adopters the week they ship, from £15 a month.

PreviewChecks is largely in shape, with complete legal pages, a thorough launch checklist, and fast page loads. Main gaps: missing several security headers and no email security records.

Launched on PeerPush on June 5, 2026. The site is served through Cloudflare, with a domain registered 4 weeks before launch. The crawl picked up 7 technologies on this site, covering analytics, CDN, CSS frameworks, and DNS providers. The stack includes Nuxt, Tailwind CSS, and Cloudflare.

For context, it's one of 68 launches on this exact stack.

If you own this site, refresh the snapshot and see the full fix list any time →

7.1
StackScope Score
Good
100/100 Launch Readiness
Launch ready
0/6 Security Headers
Poor
3/3 Legal
Complete
2/2 Crawl files
Complete
100/100 Performance
Fast
Vibe Score 0 · No AI signals
How much the site looks AI-generated. Informational pattern-match signal, not a verdict. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (7)

Infrastructure
CDN Cloudflare
DNS Cloudflare DNS
Protocol HTTP/3
Build & Framework
CSS framework Tailwind CSS
Meta-framework Nuxt
Analytics & Marketing
Analytics Cloudflare Web Analytics
SEO Google Search Console

Infrastructure

Network
CLOUDFLARENET - Cloudflare, Inc., US
AS13335 · US
DNS
Cloudflare DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
Green hosting
Green hosted
Host runs on renewable energy. Data from The Green Web Foundation.
SSL Certificate
Let's Encrypt
Valid 6 May 2026 to 4 Aug 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
4 months
Registered May 2026 · Cloudflare, Inc.

Email Security

✗
SPF Not published. Your domain can be spoofed in phishing emails.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
✗
DMARC Not published. Receivers fall back to permissive defaults.
?
MTA-STS Not deployed. Mail to your domain can be downgraded to plaintext en route.
?
TLS-RPT Not configured. You won't hear about silent SMTP TLS handshake failures.

Storage (1)

Local storage (1)
KeySizeDetected as
nuxt-color-mode 6 B Nuxt

Readiness Breakdown How?

✓ 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)

Performance How?

93 ms Server response
94% Faster than peers
292 ms Largest contentful paint
0.00 Cumulative layout shift
121 KB Page weight
2 Third-party domains
0 Console errors
0 Failed requests

Indicative grade from a single automated render, not a substitute for Lighthouse or field data, and not part of the StackScope score.

AI Stance

No AI stance declared
✗ llms.txt published
✓ No AI bots blocked in robots.txt
Content-Signal
? No directive declared
Link headers
? None advertised

Well-Known Files

✓ robots.txt
✓ sitemap.xml (6 URLs)
✗ security.txt
✗ llms.txt
✗ ads.txt
✗ humans.txt

Legal

✓ Privacy Policy
/privacy-policy
✓ Terms of Service
/terms-and-conditions
? Analytics present, but it set no tracking cookies on our visit (it may be opt-in-gated).
Shared by 1 other site (identical text)
0% unique
ToS shared by 1 other site
Mentions:
GDPR Cookies Data Controller Do Not Sell

Security Headers (0/6)

✗
Referrer-Policy
✗
X-Frame-Options
✗
Permissions-Policy experimental (check browser support)
✗
X-Content-Type-Options
✗
Content-Security-Policy
✗
Strict-Transport-Security
–
X-XSS-Protection deprecated (use Content-Security-Policy)

Build

2 JS files
1 CSS files
2 Third-party domains

App Manifest

PreviewChecks
display: standalone 3 icons
theme #0f172a
developer productivity utilities
Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.