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sterlingz.de website review

Visit site (opens in a new tab)Reviewed 13 November 202631 issues · 82 checks

This review found 31 issues worth fixing on sterlingz.de, 9 of them high impact, across 82 checks. The most urgent: 4,211 HTML elements. 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
1.5 s1.2 sMay 23Nov 71.2 s
Show as table
DateReal-visitor load time (LCP)
May 23, 20261.2 s
May 30, 20261.2 s
Jun 6, 20261.3 s
Jun 13, 20261.3 s
Jun 20, 20261.3 s
Jun 27, 20261.3 s
Jul 4, 20261.2 s
Jul 11, 20261.3 s
Jul 18, 20261.2 s
Jul 25, 20261.3 s
Aug 1, 20261.3 s
Aug 8, 20261.4 s
Aug 15, 20261.5 s
Aug 22, 20261.4 s
Aug 29, 20261.5 s
Sep 5, 20261.4 s
Sep 12, 20261.4 s
Sep 19, 20261.4 s
Sep 26, 20261.3 s
Oct 3, 20261.3 s
Oct 10, 20261.3 s
Oct 17, 20261.3 s
Oct 24, 20261.3 s
Oct 31, 20261.2 s
Nov 7, 20261.2 s
Real-visitor tap response (INP)75th percentile, phones
158 ms122 msMay 23Nov 7126 ms
Show as table
DateReal-visitor tap response (INP)
May 23, 2026126 ms
May 30, 2026128 ms
Jun 6, 2026135 ms
Jun 13, 2026138 ms
Jun 20, 2026139 ms
Jun 27, 2026138 ms
Jul 4, 2026137 ms
Jul 11, 2026136 ms
Jul 18, 2026136 ms
Jul 25, 2026139 ms
Aug 1, 2026145 ms
Aug 8, 2026148 ms
Aug 15, 2026154 ms
Aug 22, 2026152 ms
Aug 29, 2026152 ms
Sep 5, 2026153 ms
Sep 12, 2026151 ms
Sep 19, 2026150 ms
Sep 26, 2026142 ms
Oct 3, 2026138 ms
Oct 10, 2026134 ms
Oct 17, 2026131 ms
Oct 24, 2026131 ms
Oct 31, 2026127 ms
Nov 7, 2026126 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 sterlingz.de (phone) rendered by Google PageSpeed Insights

How it loaded on a phone

  1. sterlingz.de at 0.4 s0.4 s
  2. sterlingz.de at 0.8 s0.8 s
  3. sterlingz.de at 1.1 s1.1 s
  4. sterlingz.de at 1.5 s1.5 s
  5. sterlingz.de at 1.9 s1.9 s
  6. sterlingz.de at 2.3 s2.3 s
  7. sterlingz.de at 2.6 s2.6 s
  8. sterlingz.de at 3.0 s3.0 s

Speed

4 to fix76
  • 4,211 HTML elements

    The page has 4,211 HTML elements. Above 1,500, rendering and every interaction get slower on phones.

  • Improve image delivery

    350 ms · 754 KiB

    14 images could be 754 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen. Google estimates it would make the page about 350 ms faster on a phone.

  • Mobile performance score: 76

    76/100

    Your mobile performance score is 76. Pages that score under 90 lose visitors before the first paint.

  • Render-blocking requests

    800 ms

    5 files block the first paint until they finish downloading. Deferring or inlining them could save about 800 ms.

  • 7 third-party services on the page

    7 third-party services load with your homepage (Shopify, omnisnippet1.com and Google CDN and others), adding 439 KiB and 229 ms of main-thread time.

  • Reduce unused JavaScript

    226 KiB

    About 226 KiB of JavaScript is downloaded but never used on this page.

  • Reduce unused CSS

    150 ms · 16 KiB

    About 16 KiB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 150 ms faster on a phone.

  • Use efficient cache lifetimes

    50 ms · 110 KiB

    9 files are served with short cache lifetimes, so returning visitors download them again (110 KiB).

  • 1 long task on the main thread

    1 long task block the main thread while loading, the longest for 67 ms. During a long task the page ignores taps.

  • 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.

  • Duplicated JavaScript

    2 KiB

    2 KiB JavaScript is shipped twice across bundles.

2 checks passed
  • Main-thread work: 1.7 s

    A phone's processor spends 1.7 s on main-thread work while loading, 509 ms of it running JavaScript. That is comfortably low.

  • Server response: 36 ms

    36 ms

    Your server sent the HTML in 36 ms, well inside Google's 600 ms guideline.

Core Web Vitals

5 to fix100
  • Largest Contentful Paint: 5.0 s

    5.0 s

    Your largest element takes 5.0 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the image “Sterlingz Department”.

  • Time to Interactive: 7.2 s

    7.2 s

    The page becomes fully interactive after 7.2 s. Good is under 3.8 s.

  • Speed Index: 4.5 s

    4.5 s

    Visually, the page fills in at 4.5 s (Speed Index). Good is under 3.4 s.

  • Cumulative Layout Shift: 0.103

    0.103

    The layout shifts by 0.103 while loading, so content jumps under the reader's thumb. Good is under 0.1.

  • 1 image without width and height

    1 image have no width and height attributes, so the layout jumps as each one loads.

  • Tap response (INP) held steady for real visitors

    0%

    Over the last 25 four-week periods to 2026-11-07, real Chrome visitors' tap response (inp) went from 126 ms to 126 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

  • Largest content (LCP) held steady for real visitors

    +2%

    Over the last 25 four-week periods to 2026-11-07, real Chrome visitors' largest content (lcp) went from 1.2 s to 1.2 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

8 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: 1.2 s

    1.2 s

    Real visitors wait 1.2 s for the largest content to appear (75th percentile). Good is under 2.5 s.

  • Real-user INP: 126 ms

    126 ms

    Real visitors wait 126 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: 0.9 s

    0.9 s

    Real visitors see the first content after 0.9 s (75th percentile). Good is under 1.8 s.

  • Real-user TTFB: 344 ms

    344 ms

    Real visitors wait 344 ms for your server to start answering (75th percentile). Good is under 800 ms.

  • First Contentful Paint: 1.2 s

    1.2 s

    The first text or image appears after 1.2 s, inside the 1.8 s “good” threshold.

  • Total Blocking Time: 9 ms

    9 ms

    Scripts block the page for only 9 ms while loading. Good is under 200 ms.

Images and page weight

2 to fix75
  • Page weight: 3.0 MB in 200 requests

    3.0 MB

    Your homepage downloads 3.0 MB in 200 requests on a phone: images 1.5 MB (30), other files 637 KiB (64) and scripts 631 KiB (67). Under 2 MB keeps phones on slow connections fast.

  • 1 image far larger than shown

    65 KiB

    1 image is downloaded at several times the size a phone draws it, for example png.webp at 360 px wide, shown at 25 px. Resized copies would save about 65 KiB.

  • 1 image in older formats

    1 image (67 KiB) is JPEG, PNG or GIF. The same pictures as WebP or AVIF are usually much smaller at the same quality, and every current browser shows them.

  • 1 image below the first screen load straight away

    1 image further down the page (67 KiB) download before anyone scrolls to it. Adding loading="lazy" lets the first screen load first.

  • About 0.9 g of CO₂ per visit

    0.85 g

    By the Sustainable Web Design model, a visit to your homepage emits about 0.85 g of CO₂e: 102.4 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

Accessibility

8 to fixGoogle 8690
  • 2 buttons without a name

    2 buttons have no accessible name, so screen readers announce just “button”.

  • 2 tap targets too small

    2 tap targets are too small or too close together to hit reliably with a finger.

  • ARIA commands must have an accessible name (1 element)

    ARIA commands must have an accessible name: 1 element on the page fails this check, rated serious by axe-core.

  • 1 text element with low contrast

    1 text element doesn't have enough contrast against the background to read easily, especially outdoors on a phone.

  • 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.

  • 8 links without text

    8 visible links have no text or label, so screen readers cannot say where they go.

  • Alternative text of images should not be repeated as text (6 elements)

    Alternative text of images should not be repeated as text: 6 elements on the page fail this check, rated minor by axe-core.

  • Headings skip levels

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

2 checks passed
  • Every image has alt text

    All 36 images in the HTML carry an alt attribute.

  • 52 automated accessibility rules passed

    axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 60 WCAG 2.2 A/AA and best-practice rules on the phone render: 52 passed and 8 failed. 3 mores need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.

SEO

2 to fixGoogle 10091
  • Structured data has 1 problem

    Structured data found (Organization, ProductGroup and WebSite) but with 1 problem, for example “Organization: logo is not an absolute URL ("https:files/Logo_White.png")”.

  • One H1 headline

    Your <h1> is empty.

  • 67 internal links, 12 external

    The homepage links to 67 pages on sterlingz.de and 12 external pages.

6 checks passed
  • Meta description: 112 characters

    Your meta description is 112 characters: “Exclusively online at STERLINGZ DEPARTMENT® - Designed in Germany, worn worldwide. Discover our latest pieces...”.

  • Title: 39 characters

    Your title is a healthy 39 characters: “Sterlingz Department | Official Wesbite”.

  • Canonical URL set

    The canonical URL is https://www.sterlingz.de/en-us.

  • 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.sterlingz.de/sitemap.xml.

AI search readiness

100
4 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.

  • Organization data: 4 of 6 facts

    Your Organization JSON-LD gives name, url, logo and sameAs (social profiles); description and contact details would complete it.

  • Text is in the HTML

    Your server sends the page's text in the HTML (2,193 words), so crawlers that don't run JavaScript still read it.

  • llms.txt published

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

Other pages

4 to fix68
  • 1 page without a title

    https://www.sterlingz.de/customer_authentication/redirect has no <title>, so Google invents the link text in results.

  • 1 linked page hidden from search

    https://www.sterlingz.de/customer_authentication/redirect is marked noindex but linked from your homepage. If it is meant to be found, remove the noindex.

  • 10 pages without a meta description

    https://www.sterlingz.de/en-us/collections/stz, https://www.sterlingz.de/en-us/collections/windbreaker, https://www.sterlingz.de/en-us/collections/flared-denim, https://www.sterlingz.de/en-us/collections/stzbasics, https://www.sterlingz.de/en-us/collections/tops and https://www.sterlingz.de/en-us/collections/bottoms and 4 others have no meta description, so Google writes the search snippet from whatever text it finds.

  • 2 pages without an H1

    https://www.sterlingz.de/en-us/collections and https://www.sterlingz.de/customer_authentication/redirect have 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 23 found) and read each the way a search engine does.

3 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.

Best practices

Google 92100
  • Requests the notification permission on page load

    Requests the notification permission on page load.

3 checks passed
  • No console errors

    No JavaScript errors were logged while the page loaded on a phone.

  • Tap targets are thumb-sized

    34 of 39 tappable elements near the top are at least 24 px.

  • Mobile viewport set

    The page declares a mobile viewport.

Content and conversion

5 to fix50
  • No call to action on the first screen

    On a phone, there is no call to action on the first screen: visitors have to scroll to find out what to do next.

  • No social proof

    No testimonials, customer logos, ratings or customer counts on the homepage: nothing tells a new visitor that others already trust you.

  • No analytics detected

    No analytics or tag manager detected in the HTML, so you can't measure whether any of these fixes work.

  • 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.

  • Only about 178 words

    The homepage has only about 178 words of visible text; thin pages give Google and first-time buyers little to go on.

  • No risk reducer

    No guarantee or risk reducer (money-back, free trial, no credit card) is mentioned, which is often what tips a hesitant visitor.

2 checks passed
  • 8 calls to action

    The homepage has 8 calls to action, for example “Shop All”, “CONTACT” and “shop now”.

  • 10 short forms

    10 short forms (1 field at most) are right on the homepage, asking for an email.

Privacy and tracking

1 to fix
  • 6 trackers load before any consent

    6

    Before a visitor clicks anything, the page loads Google Ads, Google Analytics, Google Tag Manager, Meta Pixel and Pinterest Tag and 1 more (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.

  • 20 cookies set on arrival

    20

    Opening the homepage sets 20 cookies, 1 of them by other companies (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.

  • 22 other companies contacted

    Loading the homepage contacts 22 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 sterlingz.de, 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

Smart Seo · Seowill Ai Seo · Omnisend · Eazy Swatches · Doran Back In Stock · Essential Icon Badge Banners · amazonaws.com

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
jQuery
E-commerce
Shopify
Hosting
Shopify

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

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This review found 31 issues on sterlingz.de, including 9 speed issues, 2 SEO issues and 5 conversion gaps. That is the website alone. The full Growth Playbook pairs these findings with what your customers say in public reviews and communities and what your closest competitors do better, then turns everything into at least 20 prioritised ideas, each with the evidence behind it, a step-by-step playbook, a metric and an owner.

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