Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

pianoo.nl

PIANOo Expertisecentrum Aanbesteden

Page Load Speed

2.5 sec in total

First Response

291 ms

Resources Loaded

2.1 sec

Page Rendered

134 ms

pianoo.nl screenshot

About Website

Welcome to pianoo.nl homepage info - get ready to check PIANOo best content for Netherlands right away, or after learning these important things about pianoo.nl

Alles over inkopen en aanbesteden vind je bij PIANOo. Hoe koop je rechtmatig, doelmatig en maatschappelijk verantwoord in? En hoe bereik je tegelijkertijd de beste prijs/kwaliteit verhouding? Aanbeste...

Visit pianoo.nl

Key Findings

We analyzed Pianoo.nl page load time and found that the first response time was 291 ms and then it took 2.3 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

pianoo.nl performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.397

25/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

pianoo.nl

291 ms

www.pianoo.nl

595 ms

css_47c8c5513cfebd7ccc2bc190662f0b1d.css

176 ms

js_4af5b547a8cc61149e1c1ed7f72d0096.jsmin.js

518 ms

js_cb05df337d7d482c1a51bd1af18bc095.jsmin.js

260 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 93% of them (14 requests) were addressed to the original Pianoo.nl, 7% (1 request) were made to Sdc.mineleni.nl. The less responsive or slowest element that took the longest time to load (657 ms) relates to the external source Sdc.mineleni.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 168.4 kB (56%)

Content Size

300.6 kB

After Optimization

132.2 kB

In fact, the total size of Pianoo.nl main page is 300.6 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. Only 10% of websites need less resources to load. Javascripts take 136.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 20.6 kB

  • Original 26.5 kB
  • After minification 24.8 kB
  • After compression 5.9 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 20.6 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 1.9 kB

  • Original 68.6 kB
  • After minification 66.7 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. PIANOo images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 88.5 kB

  • Original 136.3 kB
  • After minification 135.9 kB
  • After compression 47.8 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 88.5 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 57.5 kB

  • Original 69.2 kB
  • After minification 66.8 kB
  • After compression 11.7 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. Pianoo.nl needs all CSS files to be minified and compressed as it can save up to 57.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (46%)

Requests Now

13

After Optimization

7

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PIANOo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

pianoo.nl accessibility score

92

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 IDs are not unique

Best Practices

pianoo.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

pianoo.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 Pianoo.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 Pianoo.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 data is detected on the main page of PIANOo. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: