Rival
Spy Rival is the #1 free adspy tool for competitor ads — covering Meta, Google, YouTube, TikTok, LinkedIn, Pinterest & Snapchat in one dashboard.
spy-rival.com
· Added June 21, 2026
· Last analysed June 21, 2026 · via 
· 60% unique tagline
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 21 June 2026; the live site may have changed since.
Rival ships with the launch fundamentals in place, with complete legal pages, a thorough launch checklist, and clean crawl signals. Worth fixing first: no Content-Security-Policy, tracking cookies set before any opt-in, and incomplete email security.
Launched on Product Hunt on June 21, 2026. The site is hosted on Amazon.com in the United States, with a domain registered 6 weeks before launch. Our crawler found 14 technologies on this site, covering analytics, advertising, CSS frameworks, and DNS providers. The stack includes Next.js, React, and Tailwind CSS.
Notably, it's running the same core stack as 8,077 other launches and tighter on security headers than most Product Hunt launches.
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Tech Stack (14) · Indie stack
| DNS |
Cloudflare DNS
|
| Hosting |
Vercel
|
| Security | HSTS |
| Email forwarding |
Cloudflare Email Routing
(2)
|
| Transactional email |
Resend
|
| CSS framework |
Tailwind CSS
|
| Framework |
React
|
| Meta-framework |
Next.js
(2)
|
| Advertising |
Facebook Pixel
(2)
|
| Analytics |
Google Analytics
(4)
|
Microsoft Clarity
|
|
PostHog
(3)
|
|
| SEO |
Google Search Console
|
| Tag management |
Google Tag Manager
(3)
|
Infrastructure
Email Security
Storage (10)
| Name | Lifetime | Detected as |
|---|---|---|
| ph_phc_BJPqhrB6A9q7JqLVYNHkK7if797PgdAwaTmYWy7FNkjW_posthog | 12mo | PostHog |
| rival_ph_distinct_id | 1y | - |
| _fbp | 2mo | Facebook Pixel |
| _ga | 1y | Google Analytics |
| _ga_K7G7LYSV2J | 1y | Google Analytics |
| Key | Size | Detected as |
|---|---|---|
| lastExternalReferrer | 5 B | - |
| lastExternalReferrerTime | 13 B | - |
| ph_phc_BJPqhrB6A9q7JqLVYNHkK7if797PgdAwaTmYWy7FNkjW_posthog | 1.4 KB | PostHog |
| Key | Size | Detected as |
|---|---|---|
| ph_phc_BJPqhrB6A9q7JqLVYNHkK7if797PgdAwaTmYWy7FNkjW_posthog | 2 B | PostHog |
| ph_phc_BJPqhrB6A9q7JqLVYNHkK7if797PgdAwaTmYWy7FNkjW_primary_window_exists | 4 B | PostHog |
Readiness Breakdown How?
Performance How?
⚠ 49 images: 14 oversized
Indicative grade from a single automated render, not a substitute for Lighthouse or field data, and not part of the StackScope score.
Vibe Score Breakdown How?
| Signal | Points |
|---|---|
| AI palette signals | +5 |
| AI writing signals | +5 |
| AI stack signals | +10 |
| AI layout signals | +5 |
| Default scaffold favicon | +10 |
This score is based on structural patterns and is not definitive. Many legitimate sites may trigger signals, and AI-built sites may go undetected. It should be treated as an indicator, not a verdict.