Tools & Wizards About Us
pierpander.nl screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

pierpander.nl

Pier Pander Museum & Tempel - Historisch Centrum Leeuwarden

Page Load Speed

3.7 sec in total

First Response

379 ms

Resources Loaded

2.8 sec

Page Rendered

514 ms

pierpander.nl screenshot

About Website

Click here to check amazing Pier Pander content. Otherwise, check out these important facts you probably never knew about pierpander.nl

Het Historisch Centrum Leeuwarden (HCL) is het informatie- en activiteitencentrum voor de geschiedenis van Leeuwarden en omgeving.

Visit pierpander.nl

Key Findings

We analyzed Pierpander.nl page load time and found that the first response time was 379 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

pierpander.nl performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value5.6 s

54/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

pierpander.nl

379 ms

pier-pander-museum-en-tempel

955 ms

jquery-3.3.1.slim.min.js

18 ms

jquery.min.js

196 ms

jquery-noconflict.js

278 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Pierpander.nl, 61% (19 requests) were made to Historischcentrumleeuwarden.nl and 13% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Historischcentrumleeuwarden.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 136.6 kB (13%)

Content Size

1.1 MB

After Optimization

921.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pierpander.nl main page is 1.1 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. 50% of websites need less resources to load. Images take 795.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 34.2 kB

  • Original 45.9 kB
  • After minification 43.9 kB
  • After compression 11.7 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 34.2 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 37.4 kB

  • Original 795.9 kB
  • After minification 758.5 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. Pier Pander images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 64.2 kB

  • Original 183.7 kB
  • After minification 183.7 kB
  • After compression 119.6 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 64.2 kB or 35% of the original size.

CSS Optimization

-2%

Potential reduce by 779 B

  • Original 32.8 kB
  • After minification 32.8 kB
  • After compression 32.1 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. Pierpander.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (35%)

Requests Now

23

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pier Pander. 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.

Network Requests Diagram

pierpander.nl

pierpander.nl

379 ms

pier-pander-museum-en-tempel

pier-pander-museum-en-tempel

955 ms

jquery-3.3.1.slim.min.js

jquery-3.3.1.slim.min.js

18 ms

jquery.min.js

jquery.min.js

196 ms

jquery-noconflict.js

jquery-noconflict.js

278 ms

jquery-migrate.min.js

jquery-migrate.min.js

278 ms

caption.js

caption.js

282 ms

css2

css2

36 ms

main.3c4224a5afa49045804b.css

main.3c4224a5afa49045804b.css

405 ms

main.3c4224a5afa49045804b.js

main.3c4224a5afa49045804b.js

500 ms

analytics.js

analytics.js

76 ms

logo.jpg

logo.jpg

317 ms

leeuwarden.png

leeuwarden.png

204 ms

english.png

english.png

204 ms

hp-sfeerbeeld-pierpander2.jpg

hp-sfeerbeeld-pierpander2.jpg

1006 ms

arrow.png

arrow.png

204 ms

Pander1.jpg

Pander1.jpg

390 ms

Pander4.jpg

Pander4.jpg

403 ms

Pander2.jpg

Pander2.jpg

360 ms

Pander5.jpg

Pander5.jpg

388 ms

Pander3.jpg

Pander3.jpg

402 ms

6xK3dSBYKcSV-LCoeQqfX1RYOo3aPw.ttf

6xK3dSBYKcSV-LCoeQqfX1RYOo3aPw.ttf

139 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rAkA.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rAkA.ttf

250 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vAkA.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vAkA.ttf

250 ms

a4a14bc234af38bbb854e7596f14b6ae.ttf

a4a14bc234af38bbb854e7596f14b6ae.ttf

440 ms

6xK1dSBYKcSV-LCoeQqfX1RYOo3qPa7g.ttf

6xK1dSBYKcSV-LCoeQqfX1RYOo3qPa7g.ttf

293 ms

collect

collect

165 ms

libraryh3lp.js

libraryh3lp.js

569 ms

16e5ce75c6011a761102c891337ef548.ttf

16e5ce75c6011a761102c891337ef548.ttf

299 ms

collect

collect

91 ms

js

js

90 ms

Accessibility Review

pierpander.nl accessibility score

90

Accessibility Issues

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

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

pierpander.nl 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

pierpander.nl SEO score

91

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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 Pierpander.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 Pierpander.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

pierpander.nl

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