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https://belkin.com Export & share
Scanned
2026-04-22 23:46 UTC
Worker
🇪🇸 Madrid
Duration
1.5m
Vs prev

Audit overview

3 categories need attention: Performance, and 2 others.

Fix Priority Matrix

5 findings

Quick Wins

3

High impact, low effort — start here.

Strategic

2

High impact, requires investment.

Easy Improvements

0

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

0

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →

Screenshots

DESKTOP + MOBILE
Desktop
Desktop screenshot
Mobile
Mobile screenshot

Top Priorities (5)

Sorted by impact
Critical: 1

Content-Security-Policy header is missing

Without a CSP, a single XSS bug can exfiltrate everything your users type — including credentials.

Security › Security Headers
Critical: 2

HSTS header is missing

Without HSTS, a network attacker can downgrade the very first connection to HTTP and steal the user's session.

Security › Security Headers
Critical: 3

No Content-Security-Policy header found

Without a CSP, a single XSS bug can exfiltrate everything users type — credentials, payment data, session tokens.

Security › Content Security Policy
Critical: 4

Page weighs 19.6 MB (6.4 MB transferred)

Informational: total page weight (uncompressed) and bytes actually transferred over the wire.

Performance › Page Weight Budget
Critical: 5

1 image-only link(s) without alt text

Image-only links with no alt are unidentifiable to screen-reader users — link's destination is invisible.

Accessibility › Link & Button Quality
What fixing these means. Your site performs reasonably well, but a few targeted fixes could meaningfully improve results. Your LCP of 30.7s exceeds Google's 2.5s 'Good' threshold and the 1 performance issue below directly contributes to it. Addressing the critical issues below would have the most immediate impact on your user trust.
3 security gaps detected — browsers may warn visitors about your site.
Your LCP is 30.7s — fixing the 1 performance critical could bring it under Google's 2.5s 'Good' threshold.
1 accessibility issue excludes users who rely on assistive technology.

Business case

What fixing the audit's findings is worth -- and what ignoring them keeps costing.

Return on investment

€574 investment → €3,329/month returns + EUR 120,500,000 risk avoided

Investment
€574
6.8 h · 4 findings
Monthly returns
€3.329
€39.951/yr
Payback
0.2 mo
+6863% Y1
Regulatory risk avoided EUR 120.500.000
Or — fix only the top 3 findings
€5310.2 mo payback · +7420% Y1
Optimistic scenario assuming the top 3 capture most of the upside. Real-world recovery typically falls between this projection and the full-fix ROI above.
€64 — in quick wins — start here for the fastest payback

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 ~31%.

Barriers
8
3 crit 5 warn
Bounce delta
+31pp
added vs baseline
Score
55
C
Speed
2
Trust
2
Usability
1
Content
1
Nav
2
  • Page takes 30.7s to load
    Users abandon at ~3s — you're 28.2s over the 2.5s threshold
    → Optimize render-blocking resources, preload the hero image, and compress images
  • Page feels frozen for 1.7s
    Clicks on the primary CTA are ignored while JavaScript runs
    → Break up long tasks; defer non-critical JavaScript to post-hydration
  • 7 broken link(s) on the page
    Clicks land on 404s — trust drops and the session often ends
    → Fix or remove the broken destinations surfaced on the Content tab
  • No HSTS header
    Returning visitors are briefly exposed to downgrade attacks on first request
    → Set Strict-Transport-Security: max-age=31536000; includeSubDomains
  • No Content-Security-Policy header
    Higher 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

€574 6.8 developer hours at €85/hr
Quick wins
€64 2 fixes in ~45 minutes

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.

/hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

Warning:Cost of inaction

€3.329 / month at risk ~€39.951 / year if left unfixed
Default is 10,000. Use your own number for accurate $-figures.

Compliance Risk

€120.500.000

ePrivacy DirectiveGDPREAA
  • No privacy policy link detected
    GDPR: EUR 10.000 – EUR 20.000.000
  • Trackers detected but no cookie policy found
    GDPR: EUR 5.000 – EUR 10.000.000
  • Trackers detected but no cookie policy found
    GDPR: EUR 10.000 – EUR 20.000.000

Bounce-Rate Cost

€3.328 /mo

+31.0pp bounce · ~3,098 lost visitors/mo

CPC: EUR 1.07

Bandwidth Waste

€1,48 /mo

19976.8 MB/mo × 0.074 EUR/GB

  • Optimize transfer: save ~2.0 MB per page load
    Saves €1,48/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.

Compliance methodology · SEO assumptions · Bandwidth model

Your performance is already good — improvements may show diminishing returns

Unique monthly visitors from your analytics

Purchases, signups, or key actions

Optional — for revenue estimation

additional conversions/month

more engaged visitors from reduced bounce

potential monthly revenue
Current bounce (est.)
After fixes (est.)
Estimated bounce reduction

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

Bounce-rate model & assumptions

Your data stays in your browser — nothing is sent to our servers

Lighthouse

Mobile

28
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
78
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

11.67 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

30.65 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

1.69 s

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.063

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

13.74 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.

33.57 s

Desktop

45
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
83
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

1.38 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

4.15 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

20 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

1.034

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

2.53 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.

4.60 s

Categories

8
Avg score 77.5

How you compare

Where this site stands against peers running the same stack.

Cart Functionality · 554 peers
You 74
·
Avg 73
At average
0 50 100
Performance P1Infrastructure P89Accessibility P87Compliance P26SEO P73Content P58Sustainability P43Security P55

Top 10% of Cart Functionality sites score 83+ on Performance; you're at 66 — closing this gap is the highest-leverage improvement.

Better than 57% of Cart Functionality sites See full Cart Functionality benchmark →
Constructor · 6 peers
You 74
·
Avg 71
At average
0 50 100
Better than 66% of Constructor sites See full Constructor benchmark →

Technology stack

Apple, with Cloudflare CDN

31 technologies detected 4 stack layers 5 with CPE identifier Enterprise

Stack Architecture

Analytics
Apple Pay Google Tag Manager Grin Klarna Checkout Klaviyo Monetate Salesforce
Ecommerce
Cart Functionality Constructor Salesforce Commerce Cloud
Framework
Apple Bootstrap 4.3.1 Constructor.io Extend 1Facebook Font Awesome 4.7.0 Google Font API Google Search Console LazySizes Microsoft 365 Mimecast OneTrust Open Graph Priority Hints Yotpo Loyalty & Referrals core-js 2.6.12 jQuery 3.6.0 lit-element 4.2.1 lit-html 3.3.1
CDN
Cloudflare unpkg

All Detected Technologies (31)

Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

Categories CDN Website https://www.cloudflare.com Detected by BeaverCheck Evidence Server header in redirect: cloudflare
This technology has a CPE identifier — check for known vulnerabilities Search NVD →
Categories CDN Detected by BeaverCheck · Medium Evidence Script URL contains unpkg.com: https://unpkg.com/webp-hero@0.0.2/dist-cjs/polyfills.js

Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.

Categories Ecommerce Website https://www.wappalyzer.com/technologies/ecommerce/cart-functionality Detected by BeaverCheck

Constructor is an ecommerce tool optimizing site search and product discovery, leveraging AI, NLP, data, and personalization to enhance user experiences and meet KPIs.

Categories Ecommerce Website https://constructor.io Detected by BeaverCheck

Salesforce Commerce Cloud is a cloud-based software-as-a-service (SaaS) ecommerce solution.

Categories Ecommerce Website https://demandware.com Detected by BeaverCheck
Categories Analytics Detected by BeaverCheck · Low Evidence TXT record: apple-domain-verification=zDA4DaUsoK60OKKf

Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.

Categories UI frameworks Website https://getbootstrap.com Detected by BeaverCheck Evidence Script URL: https://belkin.my.site.com/ESWBelkinPreSalesMessa1770874900918/assets/js/bootstrap.min.js, Stylesheet: https://belkin.my.site.com/ESWBelkinPreSalesMessa1770874900918/assets/styles/bootstrap.min.css
This technology has a CPE identifier — check for known vulnerabilities Search NVD →

Constructor.io is a site search and merchandising platform designed to help ecommerce.

Categories Search engines Website https://constructor.io/ Detected by BeaverCheck

Extend is a service that offers brands product and shipping protection, creating a new revenue source while enhancing customer loyalty and trust.

Categories Fulfilment Website https://www.extend.com Detected by BeaverCheck
Categories Analytics Detected by BeaverCheck · Medium Evidence TXT record: facebook-domain-verification=t5eraoalgwmr37ff442cg00cmvsuwz

Font Awesome is a font and icon toolkit based on CSS and Less.

Categories Font scripts Website https://fontawesome.com/ Detected by BeaverCheck

Google Font API is a web service that supports open-source font files that can be used on your web designs.

Categories Font scripts Website https://fonts.google.com/ Detected by BeaverCheck
Categories Analytics Detected by BeaverCheck · Medium Evidence TXT record: google-site-verification=9vcdNo3sMnFrWWvriyGM-aSpCGPspxadNIp_RZjBhXc

LazySizes is a JavaScript library used to delay the loading of images (iframes, scripts, etc) until they come into view.

Categories JavaScript libraries, Performance Website https://github.com/aFarkas/lazysizes Detected by BeaverCheck
Categories Email Detected by BeaverCheck Evidence TXT SPF record includes spf.protection.outlook.com: v=spf1 ip4:66.35.37.96/27 ip4:54.240.10.84/22 ip4:209.177.160.9/20 ip4:67.202.205.230/27 ip4:139.60.152.0/22 ip4:162.247.216.0/22 ip4:54.186.193.102/32 ip4:52.222.73.120/32 ip4:52.222.73.83/32 ip4:52.222.62.51/32 ip4:52.200.252.231/32 ip4:35.80.141.6/32 ip4:44.229.121.55/32 ip4:148.59.100.16/28 ip4:18.168.140.58/32 ip4:18.168.51.200/32 ip4:148.59.101.16/28 ip4:52.222.75.85/32 ip4:149.72.45.232/32 ip4:149.72.45.188/32 ip4:149.72.45.115/32 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com include:cust-spf.exacttarget.com include:mailgun.org -all
Categories Email Detected by BeaverCheck Evidence MX record: us-smtp-inbound-2.mimecast.com

OneTrust is a cloud-based data privacy management compliance platform.

Categories Cookie compliance Website https://www.onetrust.com Detected by BeaverCheck Evidence Script URL contains cdn.cookielaw.org: https://cdn.cookielaw.org/consent/259ee026-6d35-4f3c-b204-a61d772b0ce1/OtAutoBlock.js

Open Graph is a protocol that is used to integrate any web page into the social graph.

Categories Miscellaneous Website https://ogp.me Detected by BeaverCheck

Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.

Categories Performance Website https://wicg.github.io/priority-hints/ Detected by BeaverCheck

Yotpo is a user-generated content marketing platform.

Categories Loyalty & rewards Website https://www.yotpo.com/platform/loyalty/ Detected by BeaverCheck

core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.

Categories JavaScript libraries Website https://github.com/zloirock/core-js Detected by BeaverCheck

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.

Categories JavaScript libraries Website https://jquery.com Detected by BeaverCheck
This technology has a CPE identifier — check for known vulnerabilities Search NVD →

lit-element is a simple base class for creating web components that work in any web page with any framework. lit-element uses lit-html to render into shadow DOM, and adds API to manage properties and attributes.

Categories JavaScript libraries Website https://lit.dev Detected by BeaverCheck

lit-html is a simple, modern, safe, small and fast HTML templating library for JavaScript.

Categories JavaScript libraries Website https://lit.dev Detected by BeaverCheck

Apple Pay is a mobile payment and digital wallet service by Apple that allows users to make payments in person, in iOS apps, and on the web.

Categories Payment processors Website https://www.apple.com/apple-pay Detected by BeaverCheck

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.

Categories Tag managers Website https://www.google.com/tagmanager Detected by BeaverCheck Evidence Script URL contains www.googletagmanager.com: https://www.googletagmanager.com/gtm.js?id=GTM-KHF8L52

Grin is a influence marketing platform.

Categories Marketing automation Website https://grin.co/ Detected by BeaverCheck
This technology has a CPE identifier — check for known vulnerabilities Search NVD →

Klarna Checkout is a complete payment solution where Klarna handles a store's entire checkout.

Categories Payment processors, Buy now pay later Website https://www.klarna.com/international/ Detected by BeaverCheck

Klaviyo is an email marketing platform for online businesses.

Categories Marketing automation Website https://www.klaviyo.com/ Detected by BeaverCheck Evidence Script URL contains static.klaviyo.com: https://static.klaviyo.com/onsite/js/build-preview/commit-8ffdfaacd1e57b4aec2f32399245f12e85c80b92/runtime.86a90315b171bf1510c8.js?cb=2

Monetate is a company that specializes in providing personalisation and customer experience optimisation solutions to businesses.

Categories A/B Testing, Personalisation Website https://monetate.com Detected by BeaverCheck

Salesforce is a cloud computing service software (SaaS) that specializes in customer relationship management (CRM).

Categories CRM Website https://www.salesforce.com Detected by BeaverCheck
This technology has a CPE identifier — check for known vulnerabilities Search NVD →

Observations (3)

No build tool detected

A framework (Apple) 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.

Bootstrap version may be outdated

Detected Bootstrap 4.3.1. The current major version is 5. Consider updating for security patches and new features.

→ Security

Complex technology stack detected

31 technologies identified. A complex stack increases maintenance burden and attack surface. Consider whether all components are actively needed.

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https://beavercheck.com/badge?url=https%3A%2F%2Fbelkin.com

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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 (84)

Sprint 1: Quick Wins

+7

Highest ROI — low effort, high impact

3 findings 1h → B (81)
  • · Page weighs 19.6 MB (6.4 MB transferred)
  • · HSTS header is missing
  • · 1 image-only link(s) without alt text

Sprint 2: Core Fixes

+3

Medium effort, high structural impact

2 findings 6h → B (84)
  • · Content-Security-Policy header is missing
  • · No Content-Security-Policy header found

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