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sterr.dk website review
Visit site (opens in a new tab)Reviewed 12 November 202622 issues · 71 checks
This review found 22 issues worth fixing on sterr.dk, 9 of them high impact, across 71 checks. The most urgent: invalid ARIA attributes. Your full playbook turns these into prioritised fixes alongside reviews, competitors and channels.
- Homepage
- Phone render
- Links and pages
- Google PageSpeed
Google PageSpeed Insights (opens in a new tab), mobile
Site score
77C- #59,217 of 105,311 reviewed websitesbeats 39%
- #38,076 of 59,150 online storesbeats 31%
- #36,240 of 53,897 Shopify storesbeats 28%
Closest competitors among Shopify stores
Compare side by sideShow as table
| Date | Real-visitor load time (LCP) |
|---|---|
| Sep 26, 2026 | 1.7 s |
| Oct 10, 2026 | 1.7 s |
| Oct 17, 2026 | 1.7 s |
| Oct 24, 2026 | 1.7 s |
| Oct 31, 2026 | 1.6 s |
| Nov 7, 2026 | 1.6 s |
Show as table
| Date | Real-visitor tap response (INP) |
|---|---|
| Oct 10, 2026 | 70 ms |
| Oct 17, 2026 | 70 ms |
| Oct 24, 2026 | 70 ms |
| Oct 31, 2026 | 70 ms |
| Nov 7, 2026 | 72 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
Speed
Mobile performance score: 70
70/100Your mobile performance score is 70. Pages that score under 90 lose visitors before the first paint.
Render-blocking requests
350 ms3 files block the first paint until they finish downloading. Deferring or inlining them could save about 350 ms.
Reduce unused JavaScript
150 ms · 49 KiBAbout 49 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 150 ms faster on a phone.
Reduce unused CSS
150 ms · 26 KiBAbout 26 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.
3 third-party services on the page
3 third-party services load with your homepage (Shopify, Judge.me and shop.app), adding 76 KiB and 21 ms of main-thread time.
Improve image delivery
23 KiB3 images could be 23 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen.
Use efficient cache lifetimes
5 KiB3 files are served with short cache lifetimes, so returning visitors download them again (5 KiB).
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.
2 checks passed
Main-thread work: 0.8 s
A phone's processor spends 0.8 s on main-thread work while loading, 241 ms of it running JavaScript. That is comfortably low.
Server response: 7 ms
7 msYour server sent the HTML in 7 ms, well inside Google's 600 ms guideline.
Core Web Vitals
Largest Contentful Paint: 9.2 s
9.2 sYour largest element takes 9.2 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the image.
Time to Interactive: 9.3 s
9.3 sThe page becomes fully interactive after 9.3 s. Good is under 3.8 s.
Speed Index: 4.8 s
4.8 sVisually, the page fills in at 4.8 s (Speed Index). Good is under 3.4 s.
First Contentful Paint: 2.1 s
2.1 sThe first text or image appears after 2.1 s on a phone. Good is under 1.8 s.
Tap response (INP) held steady for real visitors
+1%Over the last 25 four-week periods to 2026-11-07, real Chrome visitors' tap response (inp) went from 70 ms to 72 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).
Largest content (LCP) held steady for real visitors
-7%Over the last 25 four-week periods to 2026-11-07, real Chrome visitors' largest content (lcp) went from 1.7 s to 1.6 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: 1.6 s
1.6 sReal visitors wait 1.6 s for the largest content to appear (75th percentile). Good is under 2.5 s.
Real-user INP: 70 ms
70 msReal visitors wait 70 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.
Real-user CLS: 0.00
0.00For real visitors the layout shifts by 0.00 (75th percentile). Good is under 0.1.
Real-user FCP: 0.8 s
0.8 sReal visitors see the first content after 0.8 s (75th percentile). Good is under 1.8 s.
Real-user TTFB: 453 ms
453 msReal visitors wait 453 ms for your server to start answering (75th percentile). Good is under 800 ms.
Cumulative Layout Shift: 0
0The layout barely moves while loading (CLS 0, good is under 0.1).
Total Blocking Time: 0 ms
0 msScripts block the page for only 0 ms while loading. Good is under 200 ms.
Images and page weight
About 0.5 g of CO₂ per visit
0.50 gBy the Sustainable Web Design model, a visit to your homepage emits about 0.50 g of CO₂e: 60.5 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.
4 checks passed
Page weight: 1.8 MB in 134 requests
1.8 MBYour homepage downloads 1.8 MB in 134 requests on a phone: other files 947 KiB (78), images 461 KiB (16) and scripts 261 KiB (33). That is a lean page.
Images use modern formats
Every sizeable image is WebP, AVIF or SVG.
Images load when needed
Images below the first screen wait until the visitor scrolls to them.
Images are sized for phones
No image is downloaded at more than three times the size it is drawn on a phone.
Accessibility
Invalid ARIA attributes
1 element use ARIA attributes their role does not allow, which confuses screen readers.
7 text elements with low contrast
7 text elements don't have enough contrast against the background to read easily, especially outdoors on a phone.
Hidden but focusable
5 elements hidden from screen readers can still receive keyboard focus.
Zoom is disabled
The viewport tag blocks pinch-zoom, which low-vision visitors rely on.
Page should contain a level-one heading (1 element)
Page should contain a level-one heading: 1 element on the page fails this check, rated moderate by axe-core.
2 checks passed
Every image has alt text
All 43 images in the HTML carry an alt attribute.
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. 2 mores need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.
SEO
No meta description
No meta description, so Google writes its own snippet from whatever text it finds.
No H1 headline
There is no <h1>, so neither visitors nor Google get a clear main headline.
Title is short (8 characters)
Your title is only 8 characters: “STERR.dk”. Between 30 and 65 characters leaves room to say what you do and for whom.
Open Graph partly set
Open Graph is missing og:description, so shared links fall back to guesses.
122 internal links, 1 external
The homepage links to 122 pages on sterr.dk and 1 external page.
4 checks passed
Canonical URL set
The canonical URL is https://sterr.dk/.
Structured data in place
Structured data found: BreadcrumbList, Store and WebSite.
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://sterr.dk/sitemap.xml.
AI search readiness
Organization data is thin (2 of 6 facts)
Your Organization JSON-LD is missing url, logo, sameAs (social profiles) and description. 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 (592 words), so crawlers that don't run JavaScript still read it.
llms.txt published
The site publishes https://sterr.dk/llms.txt (6 KiB, 8 links), a plain-text guide to the site for AI tools.
Other pages
15 internal pages checked
We fetched 15 pages linked from your homepage (of 56 found) and read each the way a search engine does.
1 checks passed
Linked pages load
All 15 pages we checked loaded without an error.
Best practices
17 small tap targets
17 of 67 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 “Failed to load resource: the server responded with a status of 404 ()”.
1 checks passed
Mobile viewport set
The page declares a mobile viewport.
Content and conversion
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 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.
No analytics detected
No analytics or tag manager detected in the HTML, so you can't measure whether any of these fixes work.
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.
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.
About 398 words of copy
The homepage carries about 398 words of visible text.
4 checks passed
1 call to action
The homepage has 1 call to action, for example “[email protected]”.
6 short forms
6 short forms (2 fields at most) are right on the homepage.
Direct contact links
Visitors can reach you directly: 0 phone links and 1 email link.
LocalBusiness structured data
Your homepage describes the business with LocalBusiness JSON-LD, so search engines and AI assistants can read its address, hours and phone reliably.
Privacy and tracking
3 trackers load before any consent
3Before a visitor clicks anything, the page loads Google Ads, Google Analytics and Google Tag Manager (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.
12 cookies set on arrival
12Opening the homepage sets 12 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.
12 other companies contacted
Loading the homepage contacts 12 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 sterr.dk, 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 1 app. It is code from another company running for your shoppers.
Apps your storefront loads
Judge Me Reviews
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
- E-commerce
- Shopify
- Hosting
- Shopify
Upkeep, stack, hiring and company data from programmable.info
Go beyond the website
What your $25 Growth Playbook adds
This review found 22 issues on sterr.dk, including 6 speed issues, 3 SEO issues and 4 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.
- 28 research agents read your site, reviews, competitors, communities and public filings
- Customer review mining (G2, Capterra, Trustpilot and more) and voice-of-pain analysis in your buyers’ own words
- Competitor intelligence with battlecards for your closest rivals
- Ideal customer profile, buyer segments and buying-stage funnel
- Ranked channels, outreach sequences and content angles
- Live Reddit threads where buyers ask for what you sell, with draft replies
- Earned media and PR openings
- At least 20 ideas with evidence, a step-by-step playbook, metric, owner, effort and impact, grouped into this week, this quarter, big bets and wildcards, plus a 30/60/90-day roadmap
- PDF, Markdown, CSV, Notion and Linear exports, and a shareable page your team can track progress on
- Refresh the playbook later to see what changed
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