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arken.dk website review

Visit site (opens in a new tab)Reviewed 23 October 202626 issues · 98 checks

This review found 26 issues worth fixing on arken.dk, 9 of them high impact, across 98 checks. The most urgent: render-blocking requests. 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
1.0 s845 msMay 2Oct 17925 ms
Show as table
DateReal-visitor load time (LCP)
May 2, 2026867 ms
May 9, 2026883 ms
May 16, 2026886 ms
May 23, 2026953 ms
May 30, 2026960 ms
Jun 6, 2026983 ms
Jun 13, 2026984 ms
Jun 20, 2026984 ms
Jun 27, 20261.0 s
Jul 4, 20261.0 s
Jul 11, 20261.0 s
Jul 18, 20261.0 s
Jul 25, 2026951 ms
Aug 1, 2026956 ms
Aug 8, 2026962 ms
Aug 15, 2026959 ms
Aug 22, 2026975 ms
Aug 29, 2026975 ms
Sep 5, 2026962 ms
Sep 12, 2026970 ms
Sep 19, 2026996 ms
Sep 26, 2026989 ms
Oct 3, 20261.0 s
Oct 10, 2026985 ms
Oct 17, 2026925 ms
Real-visitor tap response (INP)75th percentile, phones
79 ms68 msMay 2Oct 1778 ms
Show as table
DateReal-visitor tap response (INP)
May 2, 202670 ms
May 9, 202671 ms
May 16, 202671 ms
May 23, 202670 ms
May 30, 202670 ms
Jun 6, 202670 ms
Jun 13, 202670 ms
Jun 20, 202670 ms
Jun 27, 202669 ms
Jul 4, 202669 ms
Jul 11, 202670 ms
Jul 18, 202670 ms
Jul 25, 202670 ms
Aug 1, 202670 ms
Aug 8, 202670 ms
Aug 15, 202669 ms
Aug 22, 202669 ms
Aug 29, 202669 ms
Sep 5, 202669 ms
Sep 12, 202670 ms
Sep 19, 202670 ms
Sep 26, 202670 ms
Oct 3, 202670 ms
Oct 10, 202672 ms
Oct 17, 202678 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 arken.dk (desktop) rendered by Google PageSpeed Insights

How it loaded on a phone

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

arken.dk does not allow embedding, so this is Google's rendering of the page.

Speed

8 to fix67
  • Render-blocking requests

    3.1 s

    5 files block the first paint until they finish downloading. Deferring or inlining them could save about 3.1 s.

  • Mobile performance score: 67

    67/100

    Your mobile performance score is 67 (desktop: 55). Pages that score under 90 lose visitors before the first paint.

  • 5 third-party services on the page

    5 third-party services load with your homepage (raffle.ai, website-files.com and Cookiebot and others), adding 2.1 MB and 593 ms of main-thread time.

  • Reduce unused JavaScript

    300 ms · 300 KiB

    About 300 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 300 ms faster on a phone.

  • Improve image delivery

    332 KiB

    7 images could be 332 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen.

  • raffle.ai adds 262 ms

    262 ms

    raffle.ai costs a phone 262 ms of main-thread work and 598 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.

  • website-files.com adds 158 ms

    158 ms

    website-files.com costs a phone 158 ms of main-thread work and 1.2 MB 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.

  • 1,571 HTML elements

    The page has 1,571 HTML elements. Above 1,500, rendering and every interaction get slower on phones.

  • Use efficient cache lifetimes

    100 ms · 163 KiB

    27 files are served with short cache lifetimes, so returning visitors download them again (163 KiB).

  • 6 long tasks on the main thread

    6 long tasks block the main thread while loading, the longest for 202 ms. During a long task the page ignores taps.

  • Reduce unused CSS

    150 ms · 35 KiB

    About 35 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.

  • Legacy JavaScript

    15 KiB

    Polyfills for old browsers add 15 KiB JavaScript that modern phones do not need.

  • 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.

2 checks passed
  • Main-thread work: 1.9 s

    A phone's processor spends 1.9 s on main-thread work while loading, 989 ms of it running JavaScript. That is comfortably low.

  • Server response: 3 ms

    3 ms

    Your server sent the HTML in 3 ms, well inside Google's 600 ms guideline.

Core Web Vitals

5 to fix100
  • Time to Interactive: 12.2 s

    12.2 s

    The page becomes fully interactive after 12.2 s. Good is under 3.8 s.

  • First Contentful Paint: 4.2 s

    4.2 s

    The first text or image appears after 4.2 s on a phone. Good is under 1.8 s.

  • Largest Contentful Paint: 5.3 s

    5.3 s

    Your largest element takes 5.3 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the text “We use cookies to personalise content and ads, to provide s…”.

  • Speed Index: 4.3 s

    4.3 s

    Visually, the page fills in at 4.3 s (Speed Index). Good is under 3.4 s.

  • 6 images without width and height

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

  • Tap response (INP) held steady for real visitors

    +6%

    Over the last 25 four-week periods to 2026-10-17, real Chrome visitors' tap response (inp) went from 70 ms to 78 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

  • Largest content (LCP) held steady for real visitors

    +9%

    Over the last 25 four-week periods to 2026-10-17, real Chrome visitors' largest content (lcp) went from 0.9 s to 0.9 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: 1.3 s

    1.3 s

    Real visitors wait 1.3 s for the largest content to appear (75th percentile). Good is under 2.5 s.

  • Real-user INP: 80 ms

    80 ms

    Real visitors wait 80 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.

  • Real-user CLS: 0.09

    0.09

    For real visitors the layout shifts by 0.09 (75th percentile). Good is under 0.1.

  • Real-user FCP: 1.0 s

    1.0 s

    Real visitors see the first content after 1.0 s (75th percentile). Good is under 1.8 s.

  • Real-user TTFB: 241 ms

    241 ms

    Real visitors wait 241 ms for your server to start answering (75th percentile). Good is under 800 ms.

  • Total Blocking Time: 169 ms

    169 ms

    Scripts block the page for only 169 ms while loading. Good is under 200 ms.

  • Cumulative Layout Shift: 0.068

    0.068

    The layout barely moves while loading (CLS 0.068, good is under 0.1).

Images and page weight

1 to fix85
  • Page weight: 2.1 MB in 64 requests

    2.1 MB

    Your homepage downloads 2.1 MB in 64 requests on a phone: scripts 927 KiB (38), images 697 KiB (9) and fonts 396 KiB (6). Under 2 MB keeps phones on slow connections fast.

  • About 0.6 g of CO₂ per visit

    0.60 g

    By the Sustainable Web Design model, a visit to your homepage emits about 0.60 g of CO₂e: 71.5 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

3 checks passed
  • 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

4 to fixGoogle 9093
  • 9 tap targets too small

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

  • 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.

  • Links must have discernible text (1 element)

    Links must have discernible text: 1 element on the page fails this check, rated serious by axe-core.

  • All page content should be contained by landmarks (50 elements)

    All page content should be contained by landmarks: 50 elements on the page fail this check, rated moderate by axe-core.

2 checks passed
  • Every image has alt text

    All 24 images in the HTML carry an alt attribute.

  • 44 automated accessibility rules passed

    axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 48 WCAG 2.2 A/AA and best-practice rules on the phone render: 44 passed and 4 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 10089
  • Title is short (29 characters)

    Your title is only 29 characters: “ARKEN Museum for Samtidskunst”. Between 30 and 65 characters leaves room to say what you do and for whom.

  • No structured data

    No structured data (JSON-LD), so Google can't show rich results such as your logo, ratings or FAQs.

  • 80 internal links, 12 external

    The homepage links to 80 pages on arken.dk and 12 external pages.

6 checks passed
  • Meta description: 79 characters

    Your meta description is 79 characters: “Oplev ny international samtidskunst og arkitektur i verdensklasse. Besøg ARKEN.”.

  • One H1 headline

    Your main headline reads: “ARKEN”.

  • Canonical URL set

    The canonical URL is https://www.arken.dk/.

  • 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.arken.dk/sitemap.xml.

AI search readiness

1 to fix88
  • No Organization structured data

    There is no Organization (or LocalBusiness) JSON-LD, so search engines and AI assistants have no machine-readable facts about who runs the site: its name, logo, profiles and contact details.

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 (958 words), so crawlers that don't run JavaScript still read it.

  • llms.txt published

    The site publishes /llms.txt (10 KiB, 41 links), a plain-text guide to the site for AI tools.

Other pages

100
  • 15 internal pages checked

    We fetched 15 pages linked from your homepage (of 43 found) and read each the way a search engine does.

7 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.

  • Every page has a meta description

    All 15 pages that loaded have a meta description.

  • Titles are unique

    Every page we checked has its own title.

  • Every page has an H1

    Each page we checked has a main headline.

  • 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

Google 100100
3 checks passed
  • No console errors

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

  • Tap targets are thumb-sized

    12 of 13 tappable elements near the top are at least 24 px.

  • Mobile viewport set

    The page declares a mobile viewport.

Security and trust

100
  • No X-Content-Type-Options

    X-Content-Type-Options: nosniff is missing, so browsers may guess file types.

  • 2 links through redirect chains

    2 links go through two or more redirects, for example https://shop.arken.dk/entrebilleter.

  • No Referrer-Policy

    No Referrer-Policy header, so full URLs can leak to the sites you link to.

  • No Permissions-Policy

    No Permissions-Policy header to switch off camera, microphone and location for embedded content.

  • No security.txt

    There is no /.well-known/security.txt telling researchers how to report a security problem to you.

8 checks passed
  • Served over HTTPS

    The homepage is served over HTTPS (arken.dk).

  • Valid certificate (50 days left)

    The certificate from Google Trust Services · WE1 verifies for arken.dk and is valid for another 50 days.

  • Protected from clickjacking

    X-Frame-Options or a frame-ancestors policy stops other sites framing yours.

  • Content-Security-Policy set

    A Content-Security-Policy is set, the main browser-side defence against injected scripts.

  • HSTS enabled

    Strict-Transport-Security is set, so browsers always use https.

  • http:// redirects to https

    http://arken.dk redirects to the secure version.

  • HTTP/2 and HTTP/3

    The server speaks HTTP/2 and advertises HTTP/3, so browsers load many files over one connection.

  • All 48 links work

    All 48 links checked from your homepage (40 internal, 8 external) answered without errors.

Domain and trust

  • No CAA record

    arken.dk has no CAA record, so any certificate authority may issue a certificate for it. A CAA record naming your provider (for example letsencrypt.org) closes that door.

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.

  • Local business without LocalBusiness data

    Your homepage shows a map 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.

  • 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 form on the homepage

    There is no form on the homepage, so every lead has to click through to another page first.

  • 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 608 words of copy

    The homepage carries about 608 words of visible text.

2 checks passed
  • 3 calls to action

    The homepage has 3 calls to action, for example “Shop” and “SHOP”.

  • Analytics in place

    Analytics detected: Google Analytics and Meta Pixel.

Email authentication

100
  • Email authentication score: 100/100

    Email authentication: SPF record 25 points, plus 15 when it ends in -all (10 for ~all); DMARC record 25, plus 25 for a reject policy (15 for quarantine); a DKIM key on a common selector 10.

3 checks passed
  • DMARC policy: reject

    DMARC tells receivers to reject mail that fails authentication, and sends you reports.

  • SPF with a strict ending (-all)

    An SPF record lists your sending servers and tells receivers to reject anything else: “v=spf1 ip4:212.178.177.234 ip4:40.95.78.0/24 ip4:40.95.80.0/24 ip4:91.227.208.0/24 include:spf-esec.heimdalsecurity.com…”.

  • DKIM signing found

    A DKIM key is published (selector “selector2”, “k2” and “mandrill”), so receivers can verify mail really came from you.

Privacy and tracking

  • 1 cookie set on arrival

    1

    Opening the homepage sets 1 cookie (measured from a US location before any click).

  • 7 other companies contacted

    Loading the homepage contacts 7 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.

2 checks passed
  • Consent tool: Cookiebot

    A consent management tool (Cookiebot) loads with the page.

  • No known trackers before consent

    No known advertising or analytics trackers load before a visitor clicks anything (measured from a US location before any click).

Upkeep, stack and company

Stack

CMS
Webflow
Analytics
Google Analytics

Company

Founded
1996

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

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