Tools & Wizards About Us
zenamsterdam.nl screenshot

Report Summary

  • 0

    Performance

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

zenamsterdam.nl

meditatie-bijeenkomsten, leren mediteren en stilte-retraites | Zen Centrum Amsterdam

Page Load Speed

2.4 sec in total

First Response

373 ms

Resources Loaded

2 sec

Page Rendered

58 ms

zenamsterdam.nl screenshot

About Website

Welcome to zenamsterdam.nl homepage info - get ready to check Zen Amsterdam best content right away, or after learning these important things about zenamsterdam.nl

Het zencentrum ligt in het hart van Amsterdam, op loopafstand van het CS. Je kunt er vrijwel dagelijks mediteren, al dan niet onder begeleiding van een ervaren docent. Ben je een beginner? Vier keer p...

Visit zenamsterdam.nl

Key Findings

We analyzed Zenamsterdam.nl page load time and found that the first response time was 373 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

zenamsterdam.nl performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

zenamsterdam.nl

373 ms

zenamsterdam.nl

396 ms

nl

118 ms

js

69 ms

ajax-progress.module.css

106 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 89% of them (65 requests) were addressed to the original Zenamsterdam.nl, 8% (6 requests) were made to Use.typekit.net and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (731 ms) belongs to the original domain Zenamsterdam.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.5 kB (24%)

Content Size

89.5 kB

After Optimization

67.9 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Zenamsterdam.nl main page is 89.5 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. 25% of websites need less resources to load. Javascripts take 48.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 10.6 kB

  • Original 14.0 kB
  • After minification 13.4 kB
  • After compression 3.4 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 10.6 kB or 76% of the original size.

JavaScript Optimization

-5%

Potential reduce by 2.4 kB

  • Original 48.2 kB
  • After minification 48.2 kB
  • After compression 45.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-31%

Potential reduce by 8.5 kB

  • Original 27.2 kB
  • After minification 24.8 kB
  • After compression 18.7 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. Zenamsterdam.nl needs all CSS files to be minified and compressed as it can save up to 8.5 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (97%)

Requests Now

65

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zen Amsterdam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 56 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zenamsterdam.nl

zenamsterdam.nl

373 ms

zenamsterdam.nl

zenamsterdam.nl

396 ms

nl

nl

118 ms

js

js

69 ms

ajax-progress.module.css

ajax-progress.module.css

106 ms

align.module.css

align.module.css

186 ms

autocomplete-loading.module.css

autocomplete-loading.module.css

253 ms

fieldgroup.module.css

fieldgroup.module.css

269 ms

container-inline.module.css

container-inline.module.css

270 ms

clearfix.module.css

clearfix.module.css

276 ms

details.module.css

details.module.css

277 ms

hidden.module.css

hidden.module.css

276 ms

item-list.module.css

item-list.module.css

336 ms

js.module.css

js.module.css

360 ms

nowrap.module.css

nowrap.module.css

362 ms

position-container.module.css

position-container.module.css

369 ms

progress.module.css

progress.module.css

367 ms

reset-appearance.module.css

reset-appearance.module.css

369 ms

resize.module.css

resize.module.css

422 ms

sticky-header.module.css

sticky-header.module.css

450 ms

system-status-counter.css

system-status-counter.css

452 ms

system-status-report-counters.css

system-status-report-counters.css

459 ms

system-status-report-general-info.css

system-status-report-general-info.css

459 ms

tabledrag.module.css

tabledrag.module.css

463 ms

tablesort.module.css

tablesort.module.css

507 ms

tree-child.module.css

tree-child.module.css

540 ms

extlink.css

extlink.css

541 ms

normalize.css

normalize.css

551 ms

normalize-fixes.css

normalize-fixes.css

553 ms

action-links.css

action-links.css

556 ms

breadcrumb.css

breadcrumb.css

591 ms

button.css

button.css

629 ms

collapse-processed.css

collapse-processed.css

632 ms

container-inline.css

container-inline.css

642 ms

details.css

details.css

644 ms

exposed-filters.css

exposed-filters.css

649 ms

field.css

field.css

675 ms

form.css

form.css

719 ms

icons.css

icons.css

723 ms

oet8eca.css

oet8eca.css

204 ms

inline-form.css

inline-form.css

731 ms

item-list.css

item-list.css

639 ms

link.css

link.css

564 ms

p.css

p.css

22 ms

links.css

links.css

514 ms

menu.css

menu.css

548 ms

more-link.css

more-link.css

549 ms

pager.css

pager.css

555 ms

tabledrag.css

tabledrag.css

561 ms

tableselect.css

tableselect.css

566 ms

tablesort.css

tablesort.css

513 ms

tabs.css

tabs.css

547 ms

textarea.css

textarea.css

548 ms

ui-dialog.css

ui-dialog.css

553 ms

messages.css

messages.css

561 ms

basis.css

basis.css

566 ms

zenamsterdam.css

zenamsterdam.css

510 ms

zenamsterdam-smal.css

zenamsterdam-smal.css

547 ms

zenamsterdam-desktop.css

zenamsterdam-desktop.css

548 ms

zenamsterdam-kleur.css

zenamsterdam-kleur.css

553 ms

jquery.min.js

jquery.min.js

656 ms

nl_GhjLISbb15DRqI-ExnFvbL3EbioyjKcC8MJ8eIitoSk.js

nl_GhjLISbb15DRqI-ExnFvbL3EbioyjKcC8MJ8eIitoSk.js

562 ms

drupalSettingsLoader.js

drupalSettingsLoader.js

520 ms

drupal.js

drupal.js

547 ms

drupal.init.js

drupal.init.js

548 ms

google_analytics.js

google_analytics.js

554 ms

zenamsterdam.js

zenamsterdam.js

548 ms

extlink.js

extlink.js

571 ms

d

d

4 ms

d

d

17 ms

d

d

21 ms

d

d

6 ms

d

d

5 ms

Accessibility Review

zenamsterdam.nl accessibility score

100

Accessibility Issues

Best Practices

zenamsterdam.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zenamsterdam.nl SEO score

92

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zenamsterdam.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 Zenamsterdam.nl main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

zenamsterdam.nl

Open Graph description is not detected on the main page of Zen Amsterdam. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: