Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

centrumparkeren.nl

Centrum Parkeren - Parkeerzones, Tarieven, P+R en Handige Tips!

Page Load Speed

2.6 sec in total

First Response

266 ms

Resources Loaded

2.1 sec

Page Rendered

303 ms

centrumparkeren.nl screenshot

About Website

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

Parkeren in het centrum van de stad? Betaal nooit teveel voor parkeren, er zijn altijd goedkope oplossingen. Wij bieden u informatie over parkeren op straat, in parkeergarage en PR-locaties.

Visit centrumparkeren.nl

Key Findings

We analyzed Centrumparkeren.nl page load time and found that the first response time was 266 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

centrumparkeren.nl performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value9,440 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.142

78/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

Network Requests Diagram

centrumparkeren.nl

266 ms

www.centrumparkeren.nl

763 ms

template_css.css

89 ms

ja-sosdmenu.css

159 ms

ja.cssmenu.js

161 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 65% of them (45 requests) were addressed to the original Centrumparkeren.nl, 7% (5 requests) were made to Pagead2.googlesyndication.com and 7% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (763 ms) belongs to the original domain Centrumparkeren.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 95.1 kB (18%)

Content Size

520.8 kB

After Optimization

425.7 kB

In fact, the total size of Centrumparkeren.nl main page is 520.8 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 340.5 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 17.1 kB

  • Original 23.6 kB
  • After minification 22.7 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 17.1 kB or 73% of the original size.

Image Optimization

-10%

Potential reduce by 34.5 kB

  • Original 340.5 kB
  • After minification 305.9 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. Centrum Parkeren images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 10.1 kB

  • Original 117.4 kB
  • After minification 117.2 kB
  • After compression 107.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-85%

Potential reduce by 33.4 kB

  • Original 39.4 kB
  • After minification 27.8 kB
  • After compression 6.0 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. Centrumparkeren.nl needs all CSS files to be minified and compressed as it can save up to 33.4 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (34%)

Requests Now

67

After Optimization

44

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centrum Parkeren. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

centrumparkeren.nl accessibility score

72

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-*] attributes do not match their roles

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

centrumparkeren.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

SEO Factors

centrumparkeren.nl SEO score

83

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centrumparkeren.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Centrumparkeren.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 Centrum Parkeren. 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: