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masterdynamic.eu website review

Visit site (opens in a new tab)Reviewed 9 November 202633 issues · 84 checks

This review found 33 issues worth fixing on masterdynamic.eu, 8 of them high impact, across 84 checks. The most urgent: reduce unused JavaScript. Your full playbook turns these into prioritised fixes alongside reviews, competitors and channels.

  1. Homepage
  2. Phone render
  3. Links and pages
  4. Google PageSpeed

Google PageSpeed Insights (opens in a new tab), mobile

Real-visitor load time (LCP)75th percentile, phones
1.8 s1.5 sMay 23Nov 71.7 s
Show as table
DateReal-visitor load time (LCP)
May 23, 20261.7 s
May 30, 20261.7 s
Jun 6, 20261.7 s
Jun 13, 20261.7 s
Jun 20, 20261.7 s
Jun 27, 20261.7 s
Jul 4, 20261.6 s
Jul 11, 20261.7 s
Jul 18, 20261.8 s
Jul 25, 20261.8 s
Aug 1, 20261.8 s
Aug 8, 20261.7 s
Aug 15, 20261.6 s
Aug 22, 20261.6 s
Aug 29, 20261.6 s
Sep 5, 20261.6 s
Sep 12, 20261.7 s
Sep 19, 20261.7 s
Sep 26, 20261.7 s
Oct 3, 20261.6 s
Oct 10, 20261.6 s
Oct 17, 20261.7 s
Oct 24, 20261.6 s
Oct 31, 20261.7 s
Nov 7, 20261.7 s
Real-visitor tap response (INP)75th percentile, phones
148 ms125 msMay 23Nov 7137 ms
Show as table
DateReal-visitor tap response (INP)
May 23, 2026129 ms
May 30, 2026129 ms
Jun 6, 2026132 ms
Jun 13, 2026129 ms
Jun 20, 2026133 ms
Jun 27, 2026136 ms
Jul 4, 2026135 ms
Jul 11, 2026142 ms
Jul 18, 2026145 ms
Jul 25, 2026144 ms
Aug 1, 2026141 ms
Aug 8, 2026136 ms
Aug 15, 2026130 ms
Aug 22, 2026130 ms
Aug 29, 2026133 ms
Sep 5, 2026133 ms
Sep 12, 2026132 ms
Sep 19, 2026130 ms
Sep 26, 2026128 ms
Oct 3, 2026129 ms
Oct 10, 2026132 ms
Oct 17, 2026135 ms
Oct 24, 2026137 ms
Oct 31, 2026139 ms
Nov 7, 2026137 ms

Chrome UX Report (opens in a new tab): real Chrome visitors over rolling 28-day periods.

One score from every part of this review. How it works

Full-page screenshot of masterdynamic.eu (phone) rendered by Google PageSpeed Insights

How it loaded on a phone

  1. masterdynamic.eu at 0.6 s0.6 s
  2. masterdynamic.eu at 1.3 s1.3 s
  3. masterdynamic.eu at 1.9 s1.9 s
  4. masterdynamic.eu at 2.6 s2.6 s
  5. masterdynamic.eu at 3.2 s3.2 s
  6. masterdynamic.eu at 3.8 s3.8 s
  7. masterdynamic.eu at 4.5 s4.5 s
  8. masterdynamic.eu at 5.1 s5.1 s

Speed

9 to fix46
  • Reduce unused JavaScript

    1.8 s · 344 KiB

    About 344 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 1.8 s faster on a phone.

  • Render-blocking requests

    1.4 s

    6 files block the first paint until they finish downloading. Deferring or inlining them could save about 1.4 s.

  • Mobile performance score: 46

    46/100

    Your mobile performance score is 46. Under 50 is Google's “poor” band: many phone visitors leave before the page is usable.

  • Improve image delivery

    750 ms · 417 KiB

    12 images could be 417 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen. Google estimates it would make the page about 750 ms faster on a phone.

  • 8 third-party services on the page

    8 third-party services load with your homepage (joinclyde.com, bc-solutions.net and Klaviyo and others), adding 1.0 MB and 756 ms of main-thread time.

  • Use efficient cache lifetimes

    300 ms · 48 KiB

    11 files are served with short cache lifetimes, so returning visitors download them again (48 KiB).

  • joinclyde.com adds 307 ms

    307 ms

    joinclyde.com costs a phone 307 ms of main-thread work and 211 KiB of downloads while your page loads. Loading it after the page is usable, or only on the pages that need it, takes that off the critical path.

  • Main-thread work: 3.2 s

    A phone's processor spends 3.2 s on main-thread work while loading, 1.3 s of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.

  • Klaviyo adds 137 ms

    137 ms

    Klaviyo costs a phone 137 ms of main-thread work and 315 KiB of downloads while your page loads. Loading it after the page is usable, or only on the pages that need it, takes that off the critical path.

  • Legacy JavaScript

    150 ms · 29 KiB

    Polyfills for old browsers add 29 KiB JavaScript that modern phones do not need. Google estimates it would make the page about 150 ms faster on a phone.

  • 10 long tasks on the main thread

    10 long tasks block the main thread while loading, the longest for 135 ms. During a long task the page ignores taps.

  • Font display

    50 ms

    Web fonts hide text while they load. Setting font-display: swap shows text immediately (about 50 ms).

  • Minify CSS

    41 KiB

    41 KiB could be saved by minifying CSS.

  • Reduce unused CSS

    41 KiB

    About 41 KiB of CSS is downloaded but never applied on this page.

  • Chained critical requests

    Critical files load one after another instead of in parallel (3 chains). Preconnecting to key origins and preloading the hero image shortens the chain.

  • Forced reflow

    Scripts make the browser recalculate the layout repeatedly while the page loads, which wastes processor time on phones.

1 checks passed
  • Server response: 8 ms

    8 ms

    Your server sent the HTML in 8 ms, well inside Google's 600 ms guideline.

Core Web Vitals

6 to fix100
  • Largest Contentful Paint: 18.1 s

    18.1 s

    Your largest element takes 18.1 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the image “MH40 Wired Headphones”.

  • Time to Interactive: 18.3 s

    18.3 s

    The page becomes fully interactive after 18.3 s. Good is under 3.8 s.

  • First Contentful Paint: 3.6 s

    3.6 s

    The first text or image appears after 3.6 s on a phone. Good is under 1.8 s.

  • Speed Index: 7.1 s

    7.1 s

    Visually, the page fills in at 7.1 s (Speed Index). Good is under 3.4 s.

  • Cumulative Layout Shift: 0.232

    0.232

    The layout shifts by 0.232 while loading, so content jumps under the reader's thumb. Good is under 0.1.

  • Total Blocking Time: 227 ms

    227 ms

    Scripts block taps and scrolling for 227 ms in total while the page loads. Good is under 200 ms.

  • Tap response (INP) held steady for real visitors

    +7%

    Over the last 25 four-week periods to 2026-11-07, real Chrome visitors' tap response (inp) went from 129 ms to 137 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

  • Largest content (LCP) held steady for real visitors

    0%

    Over the last 25 four-week periods to 2026-11-07, real Chrome visitors' largest content (lcp) went from 1.7 s to 1.7 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

6 checks passed
  • Passes Core Web Vitals for real visitors

    Real Chrome users on phones pass Google's Core Web Vitals on this page (28-day field data from the Chrome UX Report (opens in a new tab)).

  • Real-user LCP: 2.2 s

    2.2 s

    Real visitors wait 2.2 s for the largest content to appear (75th percentile). Good is under 2.5 s.

  • Real-user INP: 129 ms

    129 ms

    Real visitors wait 129 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.

  • Real-user CLS: 0.00

    0.00

    For real visitors the layout shifts by 0.00 (75th percentile). Good is under 0.1.

  • Real-user FCP: 1.3 s

    1.3 s

    Real visitors see the first content after 1.3 s (75th percentile). Good is under 1.8 s.

  • Real-user TTFB: 568 ms

    568 ms

    Real visitors wait 568 ms for your server to start answering (75th percentile). Good is under 800 ms.

Images and page weight

1 to fix85
  • Page weight: 3.4 MB in 263 requests

    3.4 MB

    Your homepage downloads 3.4 MB in 263 requests on a phone: scripts 1.1 MB (73), images 1.1 MB (30) and other files 878 KiB (124). Under 2 MB keeps phones on slow connections fast.

  • 1 image below the first screen load straight away

    1 image further down the page (32 KiB) download before anyone scrolls to it. Adding loading="lazy" lets the first screen load first.

  • About 1.0 g of CO₂ per visit

    0.95 g

    By the Sustainable Web Design model, a visit to your homepage emits about 0.95 g of CO₂e: 114.3 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

2 checks passed
  • Images use modern formats

    Every sizeable image is WebP, AVIF or SVG.

  • Images are sized for phones

    No image is downloaded at more than three times the size it is drawn on a phone.

Accessibility

4 to fixGoogle 9095
  • 7 images without alt text

    7 images have no alt text, which hurts accessibility and image search.

  • Landmarks should have a unique role or role/label/title (i.e. accessible name) combination (1 element)

    Landmarks should have a unique role or role/label/title (i.e. accessible name) combination: 1 element on the page fails this check, rated moderate by axe-core.

  • Zoom is disabled

    The viewport tag blocks pinch-zoom, which low-vision visitors rely on.

  • All page content should be contained by landmarks (1 element)

    All page content should be contained by landmarks: 1 element on the page fails this check, rated moderate by axe-core.

  • Headings skip levels

    Headings skip levels (h1 → h6, h3 → h5 and h3 → h5), which makes the page harder to scan with a screen reader.

1 checks passed
  • 47 automated accessibility rules passed

    axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 52 WCAG 2.2 A/AA and best-practice rules on the phone render: 47 passed and 5 failed. 1 more need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.

SEO

2 to fixGoogle 8590
  • Title is long (70 characters)

    Your title is 70 characters, so Google will cut it off around 60: “Professional Headphones & Luxury Earphones | Master & Dynamic Official”.

  • 2 links with vague text

    2 links use generic text like “click here” or “learn more”, which tells Google nothing about the page behind them.

  • 86 internal links, 12 external

    The homepage links to 86 pages on masterdynamic.eu and 12 external pages.

7 checks passed
  • Meta description: 151 characters

    Your meta description is 151 characters: “Master & Dynamic is a premium audio brand with professional headphones and luxury earphones made from the finest materi…”.

  • One H1 headline

    Your main headline reads: “Master & Dynamic”.

  • Canonical URL set

    The canonical URL is https://www.masterdynamic.com/.

  • Structured data in place

    Structured data found: BreadcrumbList, Organization and WebSite.

  • Open Graph tags complete

    Open Graph tags are complete, so shared links show a title, description and image.

  • robots.txt in place

    robots.txt is in place and points crawlers to your sitemap.

  • XML sitemap found

    Your XML sitemap is reachable at https://www.masterdynamic.com/sitemap.xml.

AI search readiness

1 to fix88
  • Organization data is thin (2 of 6 facts)

    Your Organization JSON-LD is missing logo, sameAs (social profiles), description and contact details. These are the facts AI assistants use to describe a business and to tell it apart from others with a similar name.

3 checks passed
  • AI answer engines may read the site

    Your robots.txt lets the crawlers behind ChatGPT search, Claude and Perplexity read the site and cite it in answers.

  • Text is in the HTML

    Your server sends the page's text in the HTML (797 words), so crawlers that don't run JavaScript still read it.

  • llms.txt published

    The site publishes /llms.txt (6 KiB, 8 links), a plain-text guide to the site for AI tools.

Other pages

3 to fix88
  • 2 pages without a meta description

    /pages/product-comparisons and /products/me05 have no meta description, so Google writes the search snippet from whatever text it finds.

  • 2 pages share a meta description

    /products/mw09 and /products/mw09-tumi use the same meta description. A description written for each page earns more clicks.

  • 1 page without an H1

    /pages/product-comparisons has no <h1> headline, so visitors and search engines get no clear main topic.

  • 15 internal pages checked

    We fetched 15 pages linked from your homepage (of 35 found) and read each the way a search engine does.

5 checks passed
  • Linked pages load

    All 15 pages we checked loaded without an error.

  • Canonical URLs point to themselves

    No page we checked hands its ranking to a different URL.

  • Titles are unique

    Every page we checked has its own title.

  • No linked page is hidden from search

    None of the pages we checked carries a noindex tag.

  • Every page has a title

    All 15 pages that loaded have a <title>.

Best practices

2 to fixGoogle 9687
  • 11 small tap targets

    11 of 25 tappable elements near the top of the page are smaller than 24 px, hard to hit with a thumb.

  • 2 JavaScript errors while loading

    2 errors were logged to the browser console while the page loaded, for example “Access to XMLHttpRequest at 'https://pieeyegpc.pii.ai/1/dsrp/dc23832f-2b1f-4d19-9f59-3428214491c3/gpc.css' from origin …”.

1 checks passed
  • Mobile viewport set

    The page declares a mobile viewport.

Content and conversion

4 to fix78
  • Local business without LocalBusiness data

    Your homepage shows a street address but no LocalBusiness JSON-LD, so Google and AI assistants have to guess your address, hours and phone from the page text.

  • No phone number on the homepage

    A local customer looking to call finds no phone number on the homepage. Add one, ideally as a tap-to-call link.

  • Thin social proof

    Social proof on the homepage: 7 trust badges. Pairing it with named testimonials or customer logos makes it far more convincing.

  • No direct contact details

    No phone number or email link on the homepage, so ready-to-buy visitors have one fewer way to reach you.

  • No opening hours

    The homepage shows no opening hours. If customers visit or call, show when.

  • No map or directions link

    There is no link to Google or Apple Maps. A directions link is one tap for a phone visitor.

  • About 396 words of copy

    The homepage carries about 396 words of visible text.

5 checks passed
  • Clear next step on the first screen

    On a phone, the first screen shows a clear next step: “Shop Now”.

  • 8 calls to action

    The homepage has 8 calls to action, for example “Shop Now”, “Learn More” and “Contact Us”.

  • 3 short forms

    3 short forms (1 field at most) are right on the homepage.

  • Analytics in place

    Analytics detected: Google Tag Manager.

  • Risk reducer mentioned

    A guarantee or risk reducer (money-back, free trial, no credit card or similar) is mentioned on the page.

Privacy and tracking

1 to fix
  • 9 trackers load before any consent

    9

    Before a visitor clicks anything, the page loads Google Ads, Google Analytics, Google Tag Manager, Klaviyo and LinkedIn Insight and 4 mores (measured from a US location before any click). No consent tool was detected. Visitors from the EU, UK and several US states must be asked first.

  • 16 cookies set on arrival

    16

    Opening the homepage sets 16 cookies (measured from a US location before any click).

  • No consent tool detected

    No known cookie consent tool loads with the page. Some sites build their own banner, and some only show one to visitors from the EU.

  • 34 other companies contacted

    Loading the homepage contacts 34 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.

Security, domain, email and software versions

The security, domain and email checks, software and plugin versions, and any app with a known security problem are visible only to people at masterdynamic.eu, because details like these could help someone attack a site. Every review keeps them private, whatever they found.

Apps on your store

Your storefront loads 7 apps. Each one is code from another company running for your shoppers.

Apps your storefront loads

Klaviyo Email Marketing Sms · Product Filter Search · rmtag.com · rakutenadvertising.io · goaffpro.com · nofraud.com · pii.ai

Apps found in the homepage's code. Apps that only run in checkout or the admin aren't seen, and a headless storefront shows none. App data from programmable.info

Upkeep, stack and company

Stack

Framework
React
E-commerce
Shopify
Analytics
Google Tag Manager
Hosting
Shopify

Company

Headquarters
New York City

Upkeep, stack, hiring and company data from programmable.info

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