Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

asz.nl

Home | Albert Schweitzer ziekenhuis

Page Load Speed

4.6 sec in total

First Response

513 ms

Resources Loaded

3.8 sec

Page Rendered

224 ms

asz.nl screenshot

About Website

Visit asz.nl now to see the best up-to-date Asz content for Netherlands and also check out these interesting facts you probably never knew about asz.nl

Welkom bij het Albert Schweitzer ziekenhuis. Wij zijn een topklinisch opleidingsziekenhuis, met locaties in Dordrecht, Zwijndrecht en Sliedrecht. Onze 'Zorg met hoofd, hart en ziel' wordt mogelijk gem...

Visit asz.nl

Key Findings

We analyzed Asz.nl page load time and found that the first response time was 513 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

asz.nl performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value940 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value9.3 s

31/100

10%

Network Requests Diagram

asz.nl

513 ms

www.asz.nl

411 ms

www.asz.nl

805 ms

ba.js

950 ms

ba.cookie.js

902 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 82% of them (56 requests) were addressed to the original Asz.nl, 3% (2 requests) were made to Static.browsealoud.nl and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (964 ms) belongs to the original domain Asz.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 812.2 kB (56%)

Content Size

1.4 MB

After Optimization

632.2 kB

In fact, the total size of Asz.nl main page is 1.4 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. 35% of websites need less resources to load. Javascripts take 617.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 71.9 kB

  • Original 89.6 kB
  • After minification 89.0 kB
  • After compression 17.7 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 71.9 kB or 80% of the original size.

Image Optimization

-11%

Potential reduce by 45.8 kB

  • Original 404.8 kB
  • After minification 358.9 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. Obviously, Asz needs image optimization as it can save up to 45.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 418.6 kB

  • Original 617.6 kB
  • After minification 613.8 kB
  • After compression 199.0 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 418.6 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 275.8 kB

  • Original 332.5 kB
  • After minification 332.1 kB
  • After compression 56.6 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. Asz.nl needs all CSS files to be minified and compressed as it can save up to 275.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (41%)

Requests Now

59

After Optimization

35

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Asz. 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 as a result speed up the page load time.

Accessibility Review

asz.nl accessibility score

100

Accessibility Issues

Best Practices

asz.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

asz.nl SEO score

97

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Asz.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 Asz.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

Open Graph description is not detected on the main page of Asz. 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: