Tools & Wizards About Us

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

parkeerinformatieschiphol.nl

Page Load Speed

2.4 sec in total

First Response

526 ms

Resources Loaded

1.8 sec

Page Rendered

149 ms

About Website

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

Parkeerinformatie Vliegveld Schiphol is een verzameling van informatie over het parkeren op en rond Schiphol.

Visit parkeerinformatieschiphol.nl

Key Findings

We analyzed Parkeerinformatieschiphol.nl page load time and found that the first response time was 526 ms and then it took 1.9 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

parkeerinformatieschiphol.nl performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

94/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

parkeerinformatieschiphol.nl

526 ms

globalnew.css

174 ms

jquery.js

454 ms

jquery.addon.js

285 ms

ga.js

36 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 86% of them (12 requests) were addressed to the original Parkeerinformatieschiphol.nl, 14% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (695 ms) belongs to the original domain Parkeerinformatieschiphol.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 124.6 kB (19%)

Content Size

665.6 kB

After Optimization

541.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Parkeerinformatieschiphol.nl main page is 665.6 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. 15% of websites need less resources to load. Images take 515.0 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 6.1 kB

  • Original 8.8 kB
  • After minification 8.4 kB
  • After compression 2.7 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 6.1 kB or 69% of the original size.

Image Optimization

-5%

Potential reduce by 23.4 kB

  • Original 515.0 kB
  • After minification 491.6 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. Parkeerinformatieschiphol images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 92.5 kB

  • Original 138.3 kB
  • After minification 134.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 92.5 kB or 67% of the original size.

CSS Optimization

-72%

Potential reduce by 2.6 kB

  • Original 3.6 kB
  • After minification 2.9 kB
  • After compression 1.0 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. Parkeerinformatieschiphol.nl needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 72% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Parkeerinformatieschiphol. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

parkeerinformatieschiphol.nl accessibility score

88

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

parkeerinformatieschiphol.nl best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

parkeerinformatieschiphol.nl SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Parkeerinformatieschiphol.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 Parkeerinformatieschiphol.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

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