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.
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.
1 button(s) with no accessible text
Buttons with no accessible text (icon-only, no aria-label) can't be activated by voice control or understood by screen readers.
5 link(s) with no accessible text
Links with no accessible text (empty <a></a>, image-only no alt, icon-only no aria-label) are unidentifiable to screen readers.
Business case
What fixing the audit's findings is worth -- and what ignoring them keeps costing.
Return on investment
¥58,000 investment → ¥1,359,220/month returns + JPY 100,000,000 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
10 barrier(s) likely increasing bounce by ~31%.
- Page takes 6.3s to loadUsers abandon at ~3s — you're 3.8s over the 2.5s threshold→ Optimize render-blocking resources, preload the hero image, and compress images
- Page feels frozen for 1.9sClicks 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
¥100,000,000
- No privacy policy link detectedAPPI: JPY 100,000 – JPY 100,000,000
- 6 advertising/retargeting trackers detectedAPPI: JPY 100,000 – JPY 100,000,000
- Trackers detected but no cookie policy foundAPPI: JPY 100,000 – JPY 100,000,000
Bounce-Rate Cost
¥861,562 /mo
+30.8pp bounce · ~3,077 lost visitors/mo
CPC: JPY 280.00
Bandwidth Waste
¥140 /mo
11715.5 MB/mo × 11.940 JPY/GB
- Optimize transfer: save ~1.2 MB per page loadSaves ¥140/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.
5.30 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
6.35 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
1.88 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.000
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
7.13 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.
24.19 s
Desktop
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
2.00 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.32 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
138 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.000
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
2.66 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.
5.09 s
Categories
8Performance
All checks pass
Security
Content-Security-Policy header is missing
Accessibility
1 button(s) with no accessible text
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 Amazon Route 53 sites score 74+ on Security; you're at 61 — closing this gap is the highest-leverage improvement.
Top 10% of core-js sites score 85+ on Compliance; you're at 74 — closing this gap is the highest-leverage improvement.
Technology stack
Amazon Route 53, hosted on AWS, with AWS CloudFront CDN
Stack Architecture
Adjust 
AppNexus 
Criteo 
Datadog 
Facebook Login Facebook Pixel 2.9.303
Google Analytics 
Google Tag Manager 
HubSpot HubSpot Analytics 
Marketo 165
Matomo Analytics 
Microsoft Advertising 
Microsoft Clarity 
Outbrain 
Twitter Ads 
Yahoo Advertising 
Goober Google Search Console Google Workspace 
Open Graph 
Priority Hints 
Svelte SvelteKit 
Vite 
core-js 3.49.0
AWS CloudFront Amazon CloudFront 
Nginx 
AWS Amazon Web Services All Detected Technologies (33)
Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality.
Goober is a minified CSS-in-JS styling solution.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
Svelte is a free and open-source front end compiler created by Rich Harris and maintained by the Svelte core team members.
SvelteKit is the official Svelte framework for building web applications with a flexible filesystem-based routing.
Vite is a rapid development tool for modern web projects.
core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.
Adjust is the mobile marketing analytics platform.
AppNexus is a cloud-based software platform that enables and optimizes programmatic online advertising.
Criteo provides personalised retargeting that works with Internet retailers to serve personalised online display advertisements to consumers who have previously visited the advertiser's website.
Datadog is a SaaS-based monitoring and analytics platform for large-scale applications and infrastructure.
Facebook Login is a way for people to create accounts and log into your app across multiple platforms.
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.
HubSpot is a marketing and sales software that helps companies attract visitors, convert leads, and close customers.
HubSpot is a marketing and sales software that helps companies attract visitors, convert leads, and close customers.
Marketo develops and sells marketing automation software for account-based marketing and other marketing services and products including SEO and content creation.
Matomo Analytics is a free and open-source web analytics application, that runs on a PHP/MySQL web-server.
Microsoft Advertising is an online advertising platform developed by Microsoft.
Microsoft's Clarity is a analytics tool which provides website usage statistics, session recording, and heatmaps.
Outbrain is a web advertising platform that displays boxes of links, known as chumboxes, to pages within websites.
Twitter Ads is an advertising platform for Twitter 'microblogging' system.
Yahoo Advertising includes a comprehensive suite of web, mobile, and video ad products across native, audience, and premium display, which are accessible through a new buying platform.
Observations (2)
No build tool detected
A framework (Amazon Route 53) 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.
Complex technology stack detected
33 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 · 7h total → projected C (79)
Sprint 1: Quick Wins
+6Highest ROI — low effort, high impact
- · HSTS header is missing
- · 1 button(s) with no accessible text
- · 5 link(s) with no accessible text
Sprint 2: Core Fixes
+3Medium effort, high structural impact
- · Content-Security-Policy header is missing
- · No Content-Security-Policy header found