YT1s.is - Fast YouTube Video Downloader

Yt1s is a free YouTube video downloader that allows users to download YouTube videos and audio online with high quality formats. No apps, No registration required.

Estimated origin: Netherlands

Added July 11, 2026 · Last analysed July 11, 2026 · via · 33% unique tagline (similar to VideoDownloadTool)

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Screenshot of YT1s.is - Fast YouTube Video Downloader

StackScope is a free public catalogue of indie launches. We find launches on Product Hunt, Hacker News and similar feeds, then crawl each site to detect its tech stack and score it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 11 July 2026; the live site may have changed since.

YT1s.is - Fast YouTube Video Downloader looks production-ready overall, with complete legal pages, a thorough launch checklist, and fast page loads. Visible gaps: missing several security headers, tracking cookies set before any opt-in, and no email security records.

Launched on Product Hunt on July 10, 2026. The site is served through Cloudflare, with a domain registered in 2024. We've detected 4 technologies on this site, covering analytics, CDN, protocol, and tag management. The stack includes Cloudflare, Google Analytics, and Google Tag Manager.

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7.0

StackScope Score

Good

94/100 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 (4)

Infrastructure

CDN	Cloudflare
Protocol	HTTP/3

Analytics & Marketing

Analytics	Google Analytics (4)
Tag management	Google Tag Manager medium

Infrastructure

Network

CLOUDFLARENET - Cloudflare, Inc., US

AS13335 · US

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

Google Trust Services

Valid 18 Jun 2026 to 16 Sep 2026

Certificate as captured in this snapshot, not a live check.

Domain Age

2.4 years

Registered Mar 2024

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 (2)

Cookies (2)

Name	Lifetime	Detected as
_ga	1y	Google Analytics
_ga_4QNL87CHQK	1y	Google Analytics

Readiness Breakdown How?

✓ Custom title and meta description

✓ Open Graph tags (title, image, description)

✓ Canonical URL declared

✓ Responsive viewport meta tag

✓ Favicon present

✓ Semantic HTML (nav, main, article)

⚠

Page title is 63 characters (advisory) Google only shows about 60 characters of the title in search results; aim for 50–60 to keep the whole thing visible.

⚠

Meta description is 163 characters (advisory) Google only shows about 155–160 characters of the description in desktop search results (less on mobile); anything past that won't appear.

- Twitter card meta tags

Performance How?

113 ms Server response

91% Faster than peers

212 ms Largest contentful paint

0.00 Cumulative layout shift

189 KB Page weight

30 KB Image weight

3 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 (45 URLs)

✗ security.txt

✗ llms.txt

✗ ads.txt

✗ humans.txt

Legal

✓ Privacy Policy

/privacy-policy/

✓ Terms of Service

/terms-of-service/

? Consent manager not detected

Analytics set tracking cookies on our visit, with no opt-in step.

34% unique

Mentions:

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

1 JS files

0 CSS files

3 Third-party domains

Brand Colours

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