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.
Page weighs 13.3 MB (4.3 MB transferred)
Informational: total page weight (uncompressed) and bytes actually transferred over the wire.
37 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
£506 investment → £3,503/month returns + GBP 18,050,000 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
8 barrier(s) likely increasing bounce by ~33%.
- Page takes 20.3s to loadUsers abandon at ~3s — you're 17.8s over the 2.5s threshold→ Optimize render-blocking resources, preload the hero image, and compress images
- Page feels frozen for 6.7sClicks on the primary CTA are ignored while JavaScript runs→ Break up long tasks; defer non-critical JavaScript to post-hydration
- Severe layout shift during page loadUsers mis-click when content jumps — converting intent into frustration→ Reserve space for images, ads, and embeds with explicit width/height
- 4 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
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
£18,050,000
- No privacy policy link detectedUK GDPR: GBP 10,000 – GBP 17,500,000
- 7 advertising/retargeting trackers detectedUK GDPR: GBP 10,000 – GBP 17,500,000
- Trackers detected but no cookie policy foundUK GDPR: GBP 10,000 – GBP 17,500,000
Bounce-Rate Cost
£3,502 /mo
+33.4pp bounce · ~3,336 lost visitors/mo
CPC: GBP 1.05
Bandwidth Waste
£0.85 /mo
13507.3 MB/mo × 0.063 GBP/GB
- Optimize transfer: save ~1.4 MB per page loadSaves £0.85/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.
9.11 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
20.30 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
6.71 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.689
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
11.65 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.
31.78 s
Desktop
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
1.77 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
1.92 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
783 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.229
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
3.62 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.
7.82 s
Categories
8Performance
Page weighs 13.3 MB (4.3 MB transferred)
Security
Content-Security-Policy header is missing
Accessibility
37 link(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 60 — closing this gap is the highest-leverage improvement.
Top 10% of WordPress sites score 88+ on Performance; you're at 68 — closing this gap is the highest-leverage improvement.
Technology stack
WordPress, on PHP, hosted on WordPress VIP, with Nginx CDN
Stack Architecture
Amazon Advertising 
Chartbeat 
DoubleClick Floodlight 
Facebook Pixel 2.9.303
Google Analytics 
Google Publisher Tag 
Google Tag Manager 
ID5 1.0.97
Microsoft Advertising 
Microsoft Clarity 
Parse.ly 
Prebid 10.23.0
Stripe 3
Twitter Ads 
Yoast SEO 
Cart Functionality 
WordPress 
Piano 
Adobe Fonts Amazon Route 53 Facebook Facebook SDK Google Search Console Google Workspace Hotjar Microsoft Microsoft 365 
MySQL 
Open Graph 
PWA 
Priority Hints 
Sentry 7.120.4
Swiper 
core-js 3.39.0
jQuery 3.7.1 jQuery Migrate 3.4.1
PHP 
Nginx 
Unpkg 
WordPress VIP All Detected Technologies (40)
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Unpkg is a content delivery network for everything on npm.
WordPress VIP is a managed hosting platform for WordPress.
PHP is a general-purpose scripting language used for web development.
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.
Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Adobe Fonts is a web-based service providing access to a vast library of high-quality fonts for web and print design.
MySQL is an open-source relational database management system.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
Sentry is an open-source platform for workflow productivity, aggregating errors from across the stack in real time.
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.
Query Migrate is a javascript library that allows you to preserve the compatibility of your jQuery code developed for versions of jQuery older than 1.9.
Amazon Advertising (formerly AMS or Amazon Marketing Services) is a service that works in a similar way to pay-per-click ads on Google.
Chartbeat is a web analytics service that provides real-time data and insights into website performance, audience engagement, and content effectiveness for publishers and media organizations.
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 Publisher Tag (GPT) is an ad tagging library for Google Ad Manager which is used to dynamically build ad requests.
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.
ID5 is a company that offers an identity solution for digital advertising, providing a Universal ID that enables privacy-compliant user recognition and tracking across websites without relying on personal information or third-party cookies.
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.
Prebid is an open-source header bidding wrapper. It forms the core of our Nucleus ad platform, helping maximize revenue and performance for publishers.
Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.
Twitter Ads is an advertising platform for Twitter 'microblogging' system.
Yoast SEO is a search engine optimisation plugin for WordPress and other platforms.
Piano is a enterprise SaaS company which specialising in advanced media business processes and ecommerce optimisation.
Observations (2)
WordPress detected — review security configuration
WordPress sites benefit from: protecting wp-login.php, disabling XML-RPC if unused, restricting REST API access, and keeping all plugins and themes up to date. Check the Security tab for specific findings.
Complex technology stack detected
40 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 B (82)
Sprint 1: Quick Wins
+6Highest ROI — low effort, high impact
- · Page weighs 13.3 MB (4.3 MB transferred)
- · HSTS header is missing
- · 37 link(s) with no accessible text
Sprint 2: Core Fixes
+4Medium effort, high structural impact
- · Content-Security-Policy header is missing
- · No Content-Security-Policy header found