Excel Functions Mastery

Learn 440+ Built-in functions

excel-learn.netlify.com · Added June 4, 2026 · Last analysed June 4, 2026 · via · 80% unique tagline

Own this Launch?

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 4 June 2026; the live site may have changed since.

Excel Functions Mastery still has work before launch. Visible gaps: missing several security headers, incomplete legal pages, and no robots.txt or sitemap.

Launched on Product Hunt on June 4, 2026. The site is hosted on Amazon.com in the United States, with a domain registered in 2014. The crawl picked up 2 technologies on this site, covering hosting and security. The stack includes HSTS and Netlify.

For context, it's on one of the most common stacks we track, shared by 812 launches.

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

1.3

StackScope Score

Poor

29/100 Launch Readiness

Needs work

1/6 Security Headers

Poor

0/3 Legal

Missing

0/2 Web Standards

Missing

100/100 Performance

Fast

Vibe Score 0 · No AI signals

Informational pattern-match signal. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (2)

Infrastructure

Hosting	Netlify
Security	HSTS

Infrastructure

Network

AMAZON-02 - Amazon.com, Inc., US

AS16509 · US

DNSSEC

Not enabled

DNS responses unsigned. Cache-poisoning vulnerable.

SSL Certificate

DigiCert Inc

Valid 6 Feb 2026 to 5 Feb 2027

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

Domain Age

12 years

Registered Jun 2014 · Name.com, Inc.

Email Security

✓

SPF -all (via apex netlify.com) Strict (-all). Strong.

✓

DKIM (via apex netlify.com) Detected on apex netlify.com

✓

DMARC p=reject (via apex netlify.com) Reject (strict). Strong.

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 (0)

This site uses no client-side storage we could detect on page load.

Readiness Breakdown How?

⚠

Custom title and meta description (partial) missing meta description

✓ Responsive viewport meta tag

- Open Graph tags (title, image, description)

- Canonical URL declared

- Twitter card meta tags

- Favicon present

- Semantic HTML (nav, main, article)

Performance How?

89 ms Server response

96% Faster than peers

156 ms Largest contentful paint

0.00 Cumulative layout shift

3 KB Page weight

1 Console errors

1 Failed requests

Broken first-party requests (1), worth fixing

404 /

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

✗ security.txt

✗ llms.txt

✗ ads.txt

✗ humans.txt

Legal

? Privacy Policy not detected

? Terms of Service not detected

Detection works best on English language sites.

Security Headers (1/6)

✗

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

✓ HTML minified

✗ CSS minified

✗ JS minified

0 JS files

0 CSS files

0 Third-party domains

Brand Colours

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.