Tools & Wizards About Us
hartberger.nl screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

hartberger.nl

De Man - Werkendam, Hartberger en Lindner alles voor de verzamelaar

Page Load Speed

4.2 sec in total

First Response

704 ms

Resources Loaded

2.6 sec

Page Rendered

847 ms

hartberger.nl screenshot

About Website

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

Op onze website vindt u als verzamelaar alles voor uw hobby. Albums, muntalbums, postzegelalbums, voordrukalbums, systeemalbums, insteekboeken, muntenboxen, koffers, benodigdheden en catalogi voor mun...

Visit hartberger.nl

Key Findings

We analyzed Hartberger.nl page load time and found that the first response time was 704 ms and then it took 3.5 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

hartberger.nl performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value950 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

nl.hartberger.nl

704 ms

module.css

231 ms

styles.css

377 ms

font-awesome.min.css

282 ms

swatches.css

284 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Hartberger.nl, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Nl.hartberger.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 375.9 kB (17%)

Content Size

2.3 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hartberger.nl main page is 2.3 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. 55% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 373.9 kB

  • Original 459.6 kB
  • After minification 403.6 kB
  • After compression 85.6 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. This page needs HTML code to be minified as it can gain 56.0 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 373.9 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 247 B

  • Original 1.7 MB
  • After minification 1.7 MB

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. Hartberger images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 15.3 kB
  • After minification 15.3 kB
  • After compression 15.3 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

-3%

Potential reduce by 1.7 kB

  • Original 53.8 kB
  • After minification 53.8 kB
  • After compression 52.0 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. Hartberger.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (7%)

Requests Now

41

After Optimization

38

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hartberger. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nl.hartberger.nl

nl.hartberger.nl

704 ms

module.css

module.css

231 ms

styles.css

styles.css

377 ms

font-awesome.min.css

font-awesome.min.css

282 ms

swatches.css

swatches.css

284 ms

alpine3.min.js

alpine3.min.js

280 ms

gtm.js

gtm.js

71 ms

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101 ms

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285 ms

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284 ms

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285 ms

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471 ms

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379 ms

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468 ms

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379 ms

loader-1.gif

loader-1.gif

379 ms

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468 ms

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469 ms

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469 ms

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562 ms

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562 ms

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563 ms

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564 ms

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655 ms

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656 ms

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656 ms

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1033 ms

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747 ms

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748 ms

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749 ms

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750 ms

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825 ms

Inter-600.woff2

Inter-600.woff2

826 ms

Inter-400.woff2

Inter-400.woff2

745 ms

Accessibility Review

hartberger.nl accessibility score

94

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.

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

Links do not have a discernible name

Best Practices

hartberger.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

hartberger.nl SEO score

92

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

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 Hartberger.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 Hartberger.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

hartberger.nl

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