Water Lu

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Water Lu is a pixel-art water tracker. Every sip helps Lulu grow, and every full day a drift bottle with a collectible washes ashore.

Added 11 Nov 2026 Analysed 11 Nov 2026 via

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Screenshot of Water Lu

What we found

  1. It sends two of the six security headers we check; Content-Security-Policy is among those missing.
  2. DMARC only monitors (p=none), so email spoofing this domain is still delivered.
  3. The page is missing Open Graph sharing tags, a canonical URL, and Twitter card tags.
  4. Built with React, the site is served through Cloudflare.
  5. One more gap is listed further down the page.

Built with: 10 technologies

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For light pages

Built with React
<a href="https://firstsited.com/launch/9d6hzxzw/water-lu"><img src="https://firstsited.com/badge/9d6hzxzw/stack.svg" alt="Water Lu tech stack on FirstSited" height="28"></a>

For dark pages

Built with React
<a href="https://firstsited.com/launch/9d6hzxzw/water-lu"><img src="https://firstsited.com/badge/9d6hzxzw/stack.svg?theme=dark" alt="Water Lu tech stack on FirstSited" height="28"></a>

How it fits together

Each technology runs on, or extends, the one it sits under.

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
Responsive viewport meta tag
Favicon present
Semantic HTML (nav, main, article)
Open Graph tags (title, image, description)
Canonical URL declared
Twitter card meta tags
Crawl files
robots.txt
sitemap.xml
security.txt optional
llms.txt optional
ads.txt only for ad-funded sites
humans.txt optional
AI crawlers BlockedHow we check
llms.txt published not published
12 AI bots blocked in robots.txt the owner's choice
Content-Signal ai-train = no
Content-Signal search = yes
Content-Signal ai-input not declared
Link headers none advertised

Email

StateRecordStatusWhat it does
SPF ~all Soft-fail (~all), common and accepted Lists the servers allowed to send email for the domain.
DMARC p=none Monitoring only (p=none) Tells receivers what to do with email that fails SPF or DKIM.
DKIM Found 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.

Hosting and network

Network CLOUDFLARENET - Cloudflare, Inc., US AS13335, US
DNS Cloudflare DNS authoritative nameservers
DNSSEC Not enabled DNS answers are unsigned
Certificate Google Trust Services valid 14 Sep 2026 to 13 Dec 2026, as captured
Green hosting Yes per The Green Web Foundation
Page build 1 JS file, 3 CSS files 2 third-party domains
Brand colours

Storage: 0 items

Nothing stored in the browser on page load.

Performance

MeasureThis siteReading
Server response 258 ms good, faster than 50% of sites
Largest contentful paint 988 ms good
Layout shift 0.00 good
Page weight 331 KB light
Image weight 204 KB light
Images 139 139 larger than shown, 116 without width and height, 138 without alt text
Third-party domains 2
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: few AI signals. How much the site looks AI-generated. It is a pattern match shown for interest, not a verdict.
    Which signals fired
    SignalPoints
    AI palette signals+5
    AI writing signals+3
  2. Performance comes from one render on 11 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 11 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.