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Usedbookr

Buy Best Second-Hand Books Online in India UsedBookR! Affordable, quality, variety of New & Used books for all ages. Shop Now at Top Online Bookstore.

E-commerce

Visit site · Added June 28, 2026 · Last analysed June 28, 2026 · via · 78% 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 28 June 2026; the live site may have changed since.

Usedbookr is largely in shape, with complete legal pages, a thorough launch checklist, and well-configured email security. Visible gaps: missing several security headers and tracking cookies set before any opt-in.

Launched on Product Hunt on June 28, 2026. The site is hosted on NTT COMMUNICATIONS INDIA NETWORK SERVICES PRIVATE LIMITED in India, with a domain registered in 2023. The crawl picked up 14 technologies on this site, covering advertising, analytics, backend framework, and CSS frameworks. The stack includes Bootstrap, Apache, and cdnjs.

For context, it's on one of the most common stacks we track, shared by 249 launches.

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

Vibe Score 5 · Few AI signals
Informational pattern-match signal. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (14)

Infrastructure
DNS Cloudflare DNS
Server Apache
Email
Business email Google Workspace (2)
Build & Framework
CSS framework Bootstrap medium
Icon font Font Awesome
JavaScript library jQuery (2)
Package CDN cdnjs (2)
Analytics & Marketing
Advertising Facebook Pixel (3)
Google Ads
Analytics Google Analytics (4)
SEO Google Search Console
Tag management Google Tag Manager medium
Business Tools
Reviews Trustpilot
Other
Backend framework Laravel (2)

Infrastructure

DNS
Cloudflare DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
Green hosting
Not green hosted
No green-energy record. Data from The Green Web Foundation.
SSL Certificate
ZeroSSL GmbH
Valid 12 May 2026 to 10 Aug 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
2.9 years
Registered Jul 2023 · GoDaddy.com, LLC

Email Security

SPF ~all Soft-fail (~all). Common and accepted.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
DMARC p=quarantine Quarantine (moderate)
?
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 (7)

Cookies (5)
NameLifetimeDetected as
usedbookr_session 2h Laravel
XSRF-TOKEN 2h Laravel
_fbp 3mo Facebook Pixel
_ga 1y Google Analytics
_ga_YRMX7ZXP3M 1y Google Analytics
Local storage (2)
KeySizeDetected as
lastExternalReferrer 5 B -
lastExternalReferrerTime 13 B -

Readiness Breakdown How?

Custom title and meta description
Open Graph tags (title, image, description) (partial) missing og:description
Canonical URL declared
Responsive viewport meta tag
Favicon present
Semantic HTML (nav, main, article)
Page title is 92 characters (advisory) Google only shows about 60 characters of the title in search results; aim for 50–60 to keep the whole thing visible.
- Twitter card meta tags

Performance How?

4544 ms Server response
0% Faster than peers
6724 ms Largest contentful paint
0.04 Cumulative layout shift
5.2 MB Page weight
3.7 MB Image weight
5 Third-party domains
0 Console errors
0 Failed requests

120 images: 41 oversized, 119 without width/height, 5 missing alt text

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?

SignalPoints
AI code-structure signals +5

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.

AI Stance

No AI stance declared
llms.txt published
No AI bots blocked in robots.txt
? No directive declared
? None advertised

Well-Known Files

robots.txt
sitemap.xml (1707 URLs)
security.txt
llms.txt
ads.txt
humans.txt
Privacy Policy
/privacy-policy
Terms of Service
/terms-and-conditions
? Consent manager not detected
Analytics set tracking cookies on our visit, with no opt-in step.
94% unique

Security Headers (0/6)

Permissions-Policy experimental (check browser support)
X-XSS-Protection deprecated (use Content-Security-Policy)

Build

Code splitting
10 JS files
9 CSS files
5 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.