Tools & Wizards About Us
theater.nl screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

theater.nl

Jouw podium voor een compleet dagje uit in de wereld van theater

Page Load Speed

3.6 sec in total

First Response

31 ms

Resources Loaded

2.3 sec

Page Rendered

1.2 sec

theater.nl screenshot

About Website

Click here to check amazing Theater content for Netherlands. Otherwise, check out these important facts you probably never knew about theater.nl

Hét onafhankelijke theaterplatform van Nederland. Wij geven een actueel en compleet overzicht van het cultuuraanbod in de Nederlandse theaters.

Visit theater.nl

Key Findings

We analyzed Theater.nl page load time and found that the first response time was 31 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

theater.nl performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value750 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

theater.nl

31 ms

theater.nl

325 ms

www.theater.nl

482 ms

gtm.js

244 ms

main.min.css

460 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 71% of them (20 requests) were addressed to the original Theater.nl, 11% (3 requests) were made to Sst.theater.nl and 11% (3 requests) were made to Securepubads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Theater.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 137.9 kB (16%)

Content Size

843.2 kB

After Optimization

705.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Theater.nl main page is 843.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 371.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 51.1 kB

  • Original 61.5 kB
  • After minification 50.7 kB
  • After compression 10.4 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 10.7 kB, which is 17% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 51.1 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 371.8 kB
  • After minification 371.8 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Theater images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 86.8 kB

  • Original 359.8 kB
  • After minification 359.8 kB
  • After compression 273.0 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 86.8 kB or 24% of the original size.

CSS Optimization

-0%

Potential reduce by 21 B

  • Original 50.2 kB
  • After minification 50.2 kB
  • After compression 50.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Theater.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (21%)

Requests Now

24

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Theater. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

theater.nl

theater.nl

31 ms

theater.nl

theater.nl

325 ms

www.theater.nl

www.theater.nl

482 ms

gtm.js

gtm.js

244 ms

main.min.css

main.min.css

460 ms

js-ebbc1cb.js

js-ebbc1cb.js

542 ms

gpt.js

gpt.js

96 ms

logotheater.svg

logotheater.svg

44 ms

logo-small.webp

logo-small.webp

31 ms

Banner-Desktop1-min__ScaleMaxWidthWzIwMDBd_CompressedW10.jpg

Banner-Desktop1-min__ScaleMaxWidthWzIwMDBd_CompressedW10.jpg

544 ms

uc.js

uc.js

21 ms

js

js

577 ms

calendar.svg

calendar.svg

317 ms

right-arrow.svg

right-arrow.svg

316 ms

ABG2402_ABBAGold_533x245px__ScaleMaxWidthWzUwMF0_CompressedW10.jpg

ABG2402_ABBAGold_533x245px__ScaleMaxWidthWzUwMF0_CompressedW10.jpg

486 ms

stilteaandeschie_slide2x__ScaleMaxWidthWzYwMF0_CompressedW10.jpg

stilteaandeschie_slide2x__ScaleMaxWidthWzYwMF0_CompressedW10.jpg

475 ms

Cello_orkest_Unsplash__ScaleMaxWidthWzYwMF0_CompressedW10.jpg

Cello_orkest_Unsplash__ScaleMaxWidthWzYwMF0_CompressedW10.jpg

870 ms

14-cruijff-musical-nieuws__ScaleMaxWidthWzUwMF0_CompressedW10.jpg

14-cruijff-musical-nieuws__ScaleMaxWidthWzUwMF0_CompressedW10.jpg

474 ms

OPG2302_OperaGala_393x245px-v2__ScaleMaxWidthWzUwMF0_CompressedW10.jpg

OPG2302_OperaGala_393x245px-v2__ScaleMaxWidthWzUwMF0_CompressedW10.jpg

873 ms

393-Lisa-Ostermann-Makkelijk-in-de-omgang__ScaleMaxWidthWzQ1MF0_CompressedW10.webp

393-Lisa-Ostermann-Makkelijk-in-de-omgang__ScaleMaxWidthWzQ1MF0_CompressedW10.webp

318 ms

393x245-GMH_Podium__ScaleMaxWidthWzQ1MF0_CompressedW10.jpg

393x245-GMH_Podium__ScaleMaxWidthWzQ1MF0_CompressedW10.jpg

872 ms

restaurants.webp

restaurants.webp

1009 ms

hotels.webp

hotels.webp

934 ms

iconfont.woff

iconfont.woff

452 ms

pubads_impl.js

pubads_impl.js

142 ms

ads

ads

516 ms

container.html

container.html

111 ms

collect

collect

408 ms

Accessibility Review

theater.nl accessibility score

97

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Best Practices

theater.nl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

theater.nl SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    >

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Theater.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Theater.nl main page’s claimed encoding is >. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

theater.nl

Open Graph data is detected on the main page of Theater. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: