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plt.nl website review
Visit site (opens in a new tab)Reviewed 18 October 202632 issues · 75 checks
This review found 32 issues worth fixing on plt.nl, 12 of them high impact, across 75 checks. The most urgent: reduce unused JavaScript. 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
76CClosest competitors among reviewed websites
Compare side by sideShow as table
| Date | Real-visitor load time (LCP) |
|---|---|
| Apr 25, 2026 | 832 ms |
| May 2, 2026 | 862 ms |
| May 9, 2026 | 854 ms |
| May 16, 2026 | 776 ms |
| May 23, 2026 | 729 ms |
| May 30, 2026 | 729 ms |
| Jun 6, 2026 | 726 ms |
| Jun 13, 2026 | 763 ms |
| Jun 20, 2026 | 825 ms |
| Jun 27, 2026 | 854 ms |
| Jul 4, 2026 | 878 ms |
| Jul 11, 2026 | 872 ms |
| Jul 18, 2026 | 879 ms |
| Jul 25, 2026 | 865 ms |
| Aug 1, 2026 | 838 ms |
| Aug 8, 2026 | 841 ms |
| Aug 15, 2026 | 827 ms |
| Aug 22, 2026 | 809 ms |
| Aug 29, 2026 | 803 ms |
| Sep 5, 2026 | 808 ms |
| Sep 12, 2026 | 800 ms |
| Sep 19, 2026 | 838 ms |
| Sep 26, 2026 | 904 ms |
| Oct 3, 2026 | 1.0 s |
| Oct 10, 2026 | 1.1 s |
Show as table
| Date | Real-visitor tap response (INP) |
|---|---|
| Apr 25, 2026 | 139 ms |
| May 2, 2026 | 137 ms |
| May 9, 2026 | 136 ms |
| May 16, 2026 | 130 ms |
| May 23, 2026 | 132 ms |
| May 30, 2026 | 135 ms |
| Jun 6, 2026 | 136 ms |
| Jun 13, 2026 | 137 ms |
| Jun 20, 2026 | 140 ms |
| Jun 27, 2026 | 142 ms |
| Jul 4, 2026 | 144 ms |
| Jul 11, 2026 | 145 ms |
| Jul 18, 2026 | 145 ms |
| Jul 25, 2026 | 145 ms |
| Aug 1, 2026 | 143 ms |
| Aug 8, 2026 | 145 ms |
| Aug 15, 2026 | 145 ms |
| Aug 22, 2026 | 147 ms |
| Aug 29, 2026 | 147 ms |
| Sep 5, 2026 | 146 ms |
| Sep 12, 2026 | 146 ms |
| Sep 19, 2026 | 147 ms |
| Sep 26, 2026 | 150 ms |
| Oct 3, 2026 | 152 ms |
| Oct 10, 2026 | 153 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
Reduce unused JavaScript
2.3 s · 822 KiBAbout 822 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 2.3 s faster on a phone.
Mobile performance score: 33
33/100Your mobile performance score is 33 (desktop: 61). Under 50 is Google's “poor” band: many phone visitors leave before the page is usable.
5 third-party services on the page
5 third-party services load with your homepage (Google Tag Manager, issuu and Cookiebot and others), adding 3.0 MB and 834 ms of main-thread time.
Improve image delivery
150 ms · 545 KiB8 images could be 545 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen. Google estimates it would make the page about 150 ms faster on a phone.
Google Tag Manager adds 520 ms
520 msGoogle Tag Manager costs a phone 520 ms of main-thread work and 687 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.
Use efficient cache lifetimes
400 ms · 118 KiB10 files are served with short cache lifetimes, so returning visitors download them again (118 KiB).
issuu adds 250 ms
250 msissuu costs a phone 250 ms of main-thread work and 2.2 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.
Reduce unused CSS
150 ms · 323 KiBAbout 323 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.
Font display
400 msWeb fonts hide text while they load. Setting font-display: swap shows text immediately (about 400 ms).
Main-thread work: 3.0 s
A phone's processor spends 3.0 s on main-thread work while loading, 1.1 s of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.
1,953 HTML elements
The page has 1,953 HTML elements. Above 1,500, rendering and every interaction get slower on phones.
12 long tasks on the main thread
12 long tasks block the main thread while loading, the longest for 187 ms. During a long task the page ignores taps.
Phones get a much slower page than desktops
Desktop scores 61 but mobile only 33. A gap that wide usually means heavy scripts and images that hit phones hardest.
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: 3 ms
3 msYour server sent the HTML in 3 ms, well inside Google's 600 ms guideline.
Core Web Vitals
Largest Contentful Paint: 11.1 s
11.1 sYour largest element takes 11.1 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the image “LisaOstermann_DeBaas bewerkt”.
Cumulative Layout Shift: 0.933
0.933The layout shifts by 0.933 while loading, so content jumps under the reader's thumb. Good is under 0.1.
Time to Interactive: 14.6 s
14.6 sThe page becomes fully interactive after 14.6 s. Good is under 3.8 s.
Speed Index: 7.4 s
7.4 sVisually, the page fills in at 7.4 s (Speed Index). Good is under 3.4 s.
Largest content (LCP) got 23% slower for real visitors
+23%Over the last 25 four-week periods to 2026-10-10, real Chrome visitors' largest content (lcp) went from 0.8 s to 1.1 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).
Total Blocking Time: 441 ms
441 msScripts block taps and scrolling for 441 ms in total while the page loads. Good is under 200 ms.
18 images without width and height
18 images have no width and height attributes, so the layout jumps as each one loads.
Tap response (INP) got 11% slower for real visitors
+11%Over the last 25 four-week periods to 2026-10-10, real Chrome visitors' tap response (inp) went from 139 ms to 153 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).
7 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: 1.4 s
1.4 sReal visitors wait 1.4 s for the largest content to appear (75th percentile). Good is under 2.5 s.
Real-user INP: 199 ms
199 msReal visitors wait 199 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: 0.9 s
0.9 sReal visitors see the first content after 0.9 s (75th percentile). Good is under 1.8 s.
Real-user TTFB: 467 ms
467 msReal visitors wait 467 ms for your server to start answering (75th percentile). Good is under 800 ms.
First Contentful Paint: 0.9 s
0.9 sThe first text or image appears after 0.9 s, inside the 1.8 s “good” threshold.
Images and page weight
Page weight: 4.9 MB in 88 requests
4.9 MBYour homepage downloads 4.9 MB in 88 requests on a phone: images 2.3 MB (26), scripts 1.9 MB (25) and stylesheets 338 KiB (5). Under 2 MB keeps phones on slow connections fast.
About 1.4 g of CO₂ per visit
1.38 gBy the Sustainable Web Design model, a visit to your homepage emits about 1.38 g of CO₂e: 165.6 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.
Accessibility
Documents must have <title> element to aid in navigation (1 element)
Documents must have <title> element to aid in navigation: 1 element on the page fails this check, rated serious by axe-core.
<html> element must have a lang attribute (1 element)
<html> element must have a lang attribute: 1 element on the page fails this check, rated serious by axe-core.
No main landmark
The page has no <main> landmark, so screen-reader users cannot jump straight to the content.
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.
16 text elements with low contrast
16 text elements don't have enough contrast against the background to read easily, especially outdoors on a phone.
Orphan list items
Some list items are not inside a list.
Elements with visible text labels do not have matching accessible names.
Elements with visible text labels do not have matching accessible names. (1 element).
2 checks passed
Every image has alt text
All 47 images in the HTML carry an alt attribute.
5 automated accessibility rules passed
axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 9 WCAG 2.2 A/AA and best-practice rules on the phone render: 5 passed and 4 failed. Automated rules catch about a third of accessibility problems; the rest need manual testing.
SEO
No social preview image
No Open Graph image, so links shared on LinkedIn, Slack or Facebook show no preview picture.
91 internal links, 12 external
The homepage links to 91 pages on plt.nl and 12 external pages.
7 checks passed
Meta description: 136 characters
Your meta description is 136 characters: “PLT is het theater van Zuid-Limburg. Betrokken, bevlogen en opwindend. We brengen podiumkunst tot leven in Heerlen, Ker…”.
One H1 headline
Your main headline reads: “Drie theaters, één aanbod”.
Title: 56 characters
Your title is a healthy 56 characters: “Theater Heerlen, Theater Kerkrade & Toon Hermans Theater”.
Canonical URL set
The canonical URL is https://www.plt.nl/.
Structured data in place
Structured data found: LocalBusiness.
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.plt.nl/sitemap.xml.
AI search readiness
Snippets are switched off
The robots meta tag says “noarchive, nosnippet, notranslate, noimageindex”, which tells Google, Bing and the AI answers built on them not to quote this page.
Organization data is thin (3 of 6 facts)
Your Organization JSON-LD is missing 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.
Opted out of AI training for 1 crawler
robots.txt blocks CCBot, which collect pages to train models. That's a legitimate choice and doesn't by itself stop the site appearing in AI answers, which the crawlers above handle.
2 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.
llms.txt published
The site publishes https://www.plt.nl/llms.txt (3 KiB, 0 links, though it should open with a “# Title” line), 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 64 found) and read each the way a search engine does.
1 checks passed
Linked pages load
12 pages of 15 loaded without an error (the rest turned automated requests away).
Best practices
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 429 ()”.
Browser-reported issues
Chrome logged issues while loading the page (“Cookie”).
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.
Only about 16 words
The homepage has only about 16 words of visible text; thin pages give Google and first-time buyers little to go on.
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.
6 checks passed
2 calls to action
The homepage has 2 calls to action, for example “Contact” and “Contact & openingstijden”.
6 short forms
6 short forms (4 fields at most) are right on the homepage, asking for an email.
Analytics in place
Analytics detected: Google Tag Manager.
Direct contact links
Visitors can reach you directly: 4 phone links and 0 email links.
Phone number on the homepage
Your phone number is on the homepage as a tap-to-call 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
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.
1 checks passed
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).
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 plt.nl, because details like these could help someone attack a site. Every review keeps them private, whatever they found.
Upkeep, stack and company
Stack
- Analytics
- Google Tag Manager
Upkeep, stack, hiring and company data from programmable.info
Go beyond the website
What your $25 Growth Playbook adds
This review found 32 issues on plt.nl, including 18 speed issues, 1 SEO issue and 3 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
14-day money-back guarantee: not happy for any reason, email us within 14 days and we refund in full.