Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

postcodezoeken.net

Postcode zoeken - Alle postcodes van Nederland

Page Load Speed

2 sec in total

First Response

285 ms

Resources Loaded

1.6 sec

Page Rendered

108 ms

postcodezoeken.net screenshot

About Website

Click here to check amazing Postcode Zoeken content for Netherlands. Otherwise, check out these important facts you probably never knew about postcodezoeken.net

Op postcode zoeken vind je alle postcodes, straten, plaatsen en gemeente van Nederland met de daarbij behorende statistieken van het gebied.

Visit postcodezoeken.net

Key Findings

We analyzed Postcodezoeken.net page load time and found that the first response time was 285 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

postcodezoeken.net performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

64/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value1,050 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value8.1 s

42/100

10%

Network Requests Diagram

postcodezoeken.net

285 ms

www.postcodezoeken.net

540 ms

css

412 ms

modernizr

250 ms

jquery

492 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 40% of them (6 requests) were addressed to the original Postcodezoeken.net, 27% (4 requests) were made to Pagead2.googlesyndication.com and 13% (2 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (540 ms) belongs to the original domain Postcodezoeken.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.2 kB (31%)

Content Size

127.0 kB

After Optimization

87.8 kB

In fact, the total size of Postcodezoeken.net main page is 127.0 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 119.7 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 4.6 kB

  • Original 7.3 kB
  • After minification 6.6 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 4.6 kB or 63% of the original size.

JavaScript Optimization

-29%

Potential reduce by 34.6 kB

  • Original 119.7 kB
  • After minification 119.6 kB
  • After compression 85.1 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 34.6 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (62%)

Requests Now

13

After Optimization

5

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Postcode Zoeken. 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

postcodezoeken.net accessibility score

87

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

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

Best Practices

postcodezoeken.net best practices score

83

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

SEO Factors

postcodezoeken.net SEO score

100

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

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 Postcodezoeken.net 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 Postcodezoeken.net 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 data is detected on the main page of Postcode Zoeken. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: