Release Preflight

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Inspect folders, ZIPs, macOS apps, and Xcode archives for possible exposed secrets and development settings. Review findings and export HTML or JSON reports.

Developer Tools Added 10 Nov 2026 Analysed 10 Nov 2026 via

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Screenshot of Release Preflight

What we found

  1. There are no SPF or DMARC records, so anyone can send email that claims to come from this domain.
  2. It sends two of the six security headers we check; Content-Security-Policy is among those missing.
  3. It has a privacy policy, but we found no terms of service.
  4. The site is hosted on GitHub Pages and served through Fastly.
  5. One more gap is listed further down the page.

Built with: 5 technologies

TechnologyType
Infrastructure
Fastly CDN
GitHub Pages Hosting
HSTS Security
Analytics & Marketing
Google Analytics Analytics
Google Tag Manager Tag management

Each technology links to its own page: which other new sites launched with it.

Site checks

Page basicsHow we check
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)
Page title is 69 characters Google only shows about 60 characters of the title in search results; aim for 50–60 to keep the whole thing visible.
Crawl files
robots.txt
sitemap.xml
security.txt optional
llms.txt optional
ads.txt only for ad-funded sites
humans.txt optional
AI crawlers No stanceHow we check
llms.txt published not published
No AI bots blocked in robots.txt
Content-Signal none declared
Link headers none advertised

Email

StateRecordStatusWhat it does
SPF Not published Lists the servers allowed to send email for the domain.
DMARC Not published Tells receivers what to do with email that fails SPF or DKIM.
DKIM Not found at common selectors Signs outgoing email. We check common selectors only, so a provider may use another.
MTA-STS Not deployed Stops email to the domain being downgraded to plain text in transit.
TLS-RPT Not configured Sends the owner reports of failed encrypted deliveries.

Without SPF and DMARC, anyone can send email that claims to come from this domain. Those two are the records to add first.

Hosting and network

Network FASTLY - Fastly, Inc., US AS54113, US
DNSSEC Not enabled DNS answers are unsigned
Certificate Let's Encrypt valid 30 Sep 2026 to 29 Dec 2026, as captured
Green hosting Yes per The Green Web Foundation
Page build 2 JS files, 1 CSS file 1 third-party domain
Brand colours

Storage: 0 items

Nothing stored in the browser on page load.

Performance

MeasureThis siteReading
Server response 360 ms good, faster than 39% of sites
Largest contentful paint 556 ms good
Layout shift 0.00 good
Page weight 371 KB light
Image weight 357 KB light
Images 4 1 larger than shown, 1 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

  1. Looks AI-built: no AI signals. How much the site looks AI-generated. It is a pattern match shown for interest, not a verdict.
  2. Performance comes from one render on 10 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 10 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.

Spot a mistake? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.