10.5 sec in total
2.7 sec
7.4 sec
486 ms
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.nlWe analyzed Hartberger.nl page load time and found that the first response time was 2.7 sec and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
hartberger.nl performance score
name
value
score
weighting
Value4.8 s
11/100
10%
Value8.4 s
2/100
25%
Value18.4 s
0/100
10%
Value29,640 ms
0/100
30%
Value0.324
35/100
15%
Value47.2 s
0/100
10%
2680 ms
268 ms
473 ms
270 ms
420 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that 98% of them (85 requests) were addressed to the original Hartberger.nl, 2% (2 requests) were made to Mtrack.nl. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Hartberger.nl.
Page size can be reduced by 947.1 kB (47%)
2.0 MB
1.1 MB
In fact, the total size of Hartberger.nl main page is 2.0 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 1.2 MB which makes up the majority of the site volume.
Potential reduce by 178.2 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 21.9 kB, which is 11% 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 178.2 kB or 90% of the original size.
Potential reduce by 264.5 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. Obviously, Hartberger needs image optimization as it can save up to 264.5 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 384.5 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 384.5 kB or 79% of the original size.
Potential reduce by 119.9 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 needs all CSS files to be minified and compressed as it can save up to 119.9 kB or 85% of the original size.
Number of requests can be reduced by 9 (10%)
86
77
The browser has sent 86 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 and as a result speed up the page load time.
www.hartberger.nl
2680 ms
d01911021eab3aef1eaeaf0405f1c286.css
268 ms
c52ae6f601a6edc93b43009260b42c57.js
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bg.jpg
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header-banner.png
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logo.png
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seperator_cat_1_1_.png
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bkg_nav1.gif
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Michel_Overzee_deel_2-2_Caribische_eilanden_K-Z_2015-2016.jpg
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nieuw1k.png
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pause.png
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rewind.png
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fastf.png
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f873fa5a3e683120c9a07b12485fab77.css
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track
94 ms
hartberger.nl accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[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
Form elements do not have associated labels
Links do not have a discernible name
hartberger.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
hartberger.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
NL
NL
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.
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: