Access zenamsterdam.nl. meditatie-bijeenkomsten, leren mediteren en stilte-retraites

Report Summary

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...

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name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

zenamsterdam.nl

3394 ms

html5reset-1.6.1.css

181 ms

style.css

183 ms

default.css

188 ms

jquery-1.8.2.min.js

287 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 89% of them (63 requests) were addressed to the original Zenamsterdam.nl, 3% (2 requests) were made to S.ytimg.com and 3% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Zenamsterdam.nl.

Content Size

1.2 MB

After Optimization

581.5 kB

In fact, the total size of Zenamsterdam.nl main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Javascripts take 570.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 19.1 kB

Original 25.7 kB
After minification 23.6 kB
After compression 6.5 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 19.1 kB or 74% of the original size.

Image Optimization

-3%

Potential reduce by 11.6 kB

Original 338.1 kB
After minification 326.6 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. Zen Amsterdam images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 376.8 kB

Original 570.1 kB
After minification 558.4 kB
After compression 193.3 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 376.8 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 255.9 kB

Original 311.0 kB
After minification 301.2 kB
After compression 55.1 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. Zenamsterdam.nl needs all CSS files to be minified and compressed as it can save up to 255.9 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 61 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 21 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

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

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)