Audit overview
4 categories need attention: Performance, and 3 others.
Fix Priority Matrix
5 findingsQuick Wins
3High impact, low effort — start here.
Strategic
2High impact, requires investment.
Easy Improvements
0Small gains, minimal effort.
Nothing in this quadrant — good news.
Deprioritize
0Low impact, high effort — do last.
Nothing in this quadrant — good news.
Screenshots
Top Priorities (5)
Content-Security-Policy header is missing
Without a CSP, a single XSS bug can exfiltrate everything your users type — including credentials.
Cookie 'lbg_64_0' is missing the Secure flag
A cookie without the Secure flag can leak over HTTP — in HSTS-protected sites, this is still a defense-in-depth gap.
HSTS header is missing
Without HSTS, a network attacker can downgrade the very first connection to HTTP and steal the user's session.
No Content-Security-Policy header found
Without a CSP, a single XSS bug can exfiltrate everything users type — credentials, payment data, session tokens.
Page weighs 31.2 MB (28.7 MB transferred)
Informational: total page weight (uncompressed) and bytes actually transferred over the wire.
Business case
What fixing the audit's findings is worth -- and what ignoring them keeps costing.
Return on investment
₩455,000 investment → ₩2,192,358/month returns + KRW 3,000,000,000 risk avoided
Figures combine localized regulatory fine ceilings, search/conversion value priced against local CPC, and bandwidth waste estimates. Results depend on implementation quality and audience composition. Not legal or financial advice.
Conversion barriers
7 barrier(s) likely increasing bounce by ~27%.
- Page takes 35.0s to loadUsers abandon at ~3s — you're 32.5s over the 2.5s threshold→ Optimize render-blocking resources, preload the hero image, and compress images
- Page feels frozen for 1.7sClicks on the primary CTA are ignored while JavaScript runs→ Break up long tasks; defer non-critical JavaScript to post-hydration
- No HSTS headerReturning visitors are briefly exposed to downgrade attacks on first request→ Set Strict-Transport-Security: max-age=31536000; includeSubDomains
- No Content-Security-Policy headerHigher XSS blast radius — one compromised script can exfiltrate the checkout form→ Ship a reporting-only CSP first, then enforce once violations are clean
- Viewport disables user zoomVisitors with low vision can't read the page — and some jurisdictions treat this as a legal risk→ Remove user-scalable=no; drop maximum-scale if it's below 2
Preliminary CRO audit — each barrier links to the tab with detailed analysis.
Remediation cost
Start here for the best return on investment
Cost by category
Cost by effort level
Adjust assumptions
Team composition
Multiplier applied to dev hours to reflect QA, design, and PM overhead. Use Dev only for solo work; Full team for projects with formal review processes.
Rates reflect fully-loaded developer cost including overhead
Warning:Cost of inaction
Compliance Risk
₩3,000,000,000
- No privacy policy link detectedPIPA: KRW 1,000,000 – KRW 3,000,000,000
- Trackers detected but no cookie policy foundPIPA: KRW 1,000,000 – KRW 3,000,000,000
- Trackers detected but no privacy policy foundPIPA: KRW 1,000,000 – KRW 3,000,000,000
Bounce-Rate Cost
₩2,182,603 /mo
+27.3pp bounce · ~2,728 lost visitors/mo
CPC: KRW 800.00
Bandwidth Waste
₩9,756 /mo
90238.8 MB/mo × 108.108 KRW/GB
- Optimize transfer: save ~9.0 MB per page loadSaves ₩9,756/mo
Compliance figures represent the statutory maximum fine for the most severe triggered category, capped per regulation — not the sum of per-finding penalties. Based on published regulatory fine ranges. This is not legal advice.
Unique monthly visitors from your analytics
Purchases, signups, or key actions
Optional — for revenue estimation
more engaged visitors from reduced bounce
Fix 5 critical issues to capture this value
How this is calculated
Based on Google/Deloitte research ("Milliseconds Make Millions") showing a ~7% bounce rate increase per additional second of LCP above the 2.5s "Good" threshold.
Your site's LCP: → estimated after fixes.
These are estimates based on industry research — actual results vary
Your data stays in your browser — nothing is sent to our servers
Lighthouse
Mobile
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
6.96 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
34.99 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
1.70 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.034
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
46.98 s
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
85.86 s
Desktop
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
2.82 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
9.90 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
95 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.009
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
16.81 s
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
16.51 s
Categories
8Performance
Page weighs 31.2 MB (28.7 MB transferred)
Security
Content-Security-Policy header is missing
Accessibility
All checks pass
SEO
All checks pass
Infrastructure
All checks pass
Compliance
All checks pass
Content
All checks pass
Sustainability
All checks pass
How you compare
Where this site stands against peers running the same stack.
Top 10% of core-js sites score 81+ on Performance; you're at 66 — closing this gap is the highest-leverage improvement.
Top 10% of Facebook SDK sites score 73+ on Security; you're at 56 — closing this gap is the highest-leverage improvement.
Technology stack
Facebook SDK, on Apache/styled-components, hosted on Apache HTTP Server, with...
Stack Architecture
Beusable 
Channel.io 
Facebook Pixel 2.9.303
Google Analytics 
Google Tag Manager 
Microsoft Clarity 
Naver Analytics 
GSAP 2.0.2
Google Font API 
Kakao 
Open Graph 
React 
ScrollMagic 2.0.8
Slick 
Swiper 
core-js 3.32.2
jQuery 1.12.4
jQuery UI 1.12.1
styled-components 5.3.9
Apache Apache HTTP Server All Detected Technologies (23)
Apache is a free and open-source cross-platform web server software.
Styled components is a CSS-in-JS styling framework that uses tagged template literals in JavaScript.
GSAP is an animation library that allows you to create animations with JavaScript.
Google Font API is a web service that supports open-source font files that can be used on your web designs.
Kakao platform provides various services such as Kakao Talk, Kakao Talk Channel, Kakao Story as well as Kakao Pay, Kakao Commerce, Kakao Page provided by the subsidiaries. Users can use all Kakao platform services with a united account called Kakao Account.
Open Graph is a protocol that is used to integrate any web page into the social graph.
React is an open-source JavaScript library for building user interfaces or UI components.
ScrollMagic is a jQuery plugin which essentially lets you use the scrollbar like a playback scrub control.
Swiper is a JavaScript library that creates modern touch sliders with hardware-accelerated transitions.
core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
jQuery UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML.
Beusable is a tool that visualises site visitors' behaviour, offering insights through graphical data representations.
Channel.io is an all-in-one business communication platform that helps businesses connect with customers.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
Microsoft's Clarity is a analytics tool which provides website usage statistics, session recording, and heatmaps.
Naver Analytics is a Korean based analytics service.
Observations (5)
Runtime exposed via X-Powered-By header
The X-Powered-By header reveals 'styled-components 5.3.9'. Remove this header in production to reduce information leakage.
jQuery loaded alongside a modern framework
Both jQuery and React are loaded. Modern frameworks handle DOM manipulation natively. jQuery may be unnecessary and adds ~30KB to the page weight. Check the Performance tab for bundle analysis.
No build tool detected
A framework (Facebook SDK) was detected but no bundler was identified. The build tool may not be detectable from output patterns, or the site may use the framework's built-in bundler.
jQuery version may be outdated
Detected jQuery 1.12.4. The current major version is 3. Consider updating for security patches and new features.
Complex technology stack detected
23 technologies identified. A complex stack increases maintenance burden and attack surface. Consider whether all components are actively needed.
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Fix Plan
Three-week roadmap to ship the audit's findings, with one-click copy targets for your tracker.
Three-week fix plan
2 sprints · 6h total → projected C (77)
Sprint 1: Quick Wins
+8Highest ROI — low effort, high impact
- · Page weighs 31.2 MB (28.7 MB transferred)
- · Cookie 'lbg_64_0' is missing the Secure flag
- · HSTS header is missing
Sprint 2: Core Fixes
+2Medium effort, high structural impact
- · Content-Security-Policy header is missing
- · No Content-Security-Policy header found