Audit overview
4 categories need attention: Performance, and 3 others.
Fix Priority Matrix
5 findingsQuick Wins
2High impact, low effort — start here.
Strategic
3High 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.
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 10.8 MB (6.7 MB transferred)
Informational: total page weight (uncompressed) and bytes actually transferred over the wire.
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.
4 image(s) missing alt attribute
Each image without alt text is a WCAG 1.1.1 failure — invisible to screen-reader users, lost from Google Image Search.
Business case
What fixing the audit's findings is worth -- and what ignoring them keeps costing.
Return on investment
¥64,000 investment → ¥3,813/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
7 barrier(s) likely increasing bounce by ~30%.
- Page takes 16.6s to loadUsers abandon at ~3s — you're 14.1s over the 2.5s threshold→ Optimize render-blocking resources, preload the hero image, and compress images
- Page feels frozen for 3.6sClicks on the primary CTA are ignored while JavaScript runs→ Break up long tasks; defer non-critical JavaScript to post-hydration
- 3 broken link(s) on the pageClicks land on 404s — trust drops and the session often ends→ Fix or remove the broken destinations surfaced on the Content tab
- 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
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
- 7 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
¥3,561 /mo
+29.7pp bounce · ~2,967 lost visitors/mo
CPC: JPY 1.20
Bandwidth Waste
¥252 /mo
21117.1 MB/mo × 11.940 JPY/GB
- Optimize transfer: save ~2.1 MB per page loadSaves ¥252/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.
8.50 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
16.61 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
3.60 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.
10.25 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.
37.40 s
Desktop
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
2.09 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
3.47 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
281 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.039
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
3.31 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.
6.03 s
Categories
8Performance
Page weighs 10.8 MB (6.7 MB transferred)
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 Cart Functionality sites score 86+ on Sustainability; you're at 58 — closing this gap is the highest-leverage improvement.
Technology stack
Astro, with A8.net CDN
Stack Architecture
DoubleClick Floodlight 
Facebook Pixel 2.9.303
Google Ads 
Google Ads Conversion Tracking 
Google Analytics 
Google Tag Manager 
HubSpot 
Microsoft Advertising 
Microsoft Clarity 
Salesforce Salesforce Marketing Cloud Account Engagement 
TikTok Pixel 
Twitter Ads 
Yahoo Advertising 
theTradeDesk 
Cart Functionality 
Astro 
Bulma Facebook SDK 
Google Font API Google Search Console Google Workspace HSTS 
Open Graph 
Priority Hints 
Tailwind CSS 
core-js 3.32.2
A8.net 
Affiliate B 
jsDelivr All Detected Technologies (30)
A8.net is an affiliate marketing network.
Affiliate B is an advertising system that allows site operators (HP, blogs, e-mail newsletters, etc.) to place advertiser advertisements on their own sites.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Astro is a new JavaScript-based static site builder.
Google Font API is a web service that supports open-source font files that can be used on your web designs.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
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.
core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Google Ads is an online advertising platform developed by Google.
Google Ads Conversion Tracking is a free tool that shows you what happens after a customer interacts with your ads.
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.
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.
Salesforce is a cloud computing service software (SaaS) that specializes in customer relationship management (CRM).
Salesforce Marketing Cloud Account Engagement (formerly known as Pardot) is an application specifically designed for B2B marketing automation.
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.
theTradeDesk is an technology company that markets a software platform used by digital ad buyers to purchase data-driven digital advertising campaigns across various ad formats and devices.
Observations (2)
No build tool detected
A framework (Astro) 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
30 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 · 8h total → projected B (82)
Sprint 1: Quick Wins
+4Highest ROI — low effort, high impact
- · Page weighs 10.8 MB (6.7 MB transferred)
- · 1 button(s) with no accessible text
Sprint 2: Core Fixes
+6Medium effort, high structural impact
- · 4 image(s) missing alt attribute
- · Content-Security-Policy header is missing
- · No Content-Security-Policy header found