Access debieb.nl. De Bieb voor de Zaanstreek

Report Summary

About Website

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

Bibliotheek in Zaandam, Krommenie, Wormer en Oostzaan. Gratis Informatiepunt voor al uw vragen over de (digitale) overheid, taalles, e-books en meer!

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name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value1,380 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.308

38/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

debieb.nl

1801 ms

imageflow.css

162 ms

imageflow.js

254 ms

system.css

173 ms

general.css

173 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 51% of them (51 requests) were addressed to the original Debieb.nl, 42% (42 requests) were made to Bicat.debieb.nl and 3% (3 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Debieb.nl.

Content Size

2.1 MB

After Optimization

1.8 MB

In fact, the total size of Debieb.nl main page is 2.1 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. 40% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 46.7 kB

Original 58.6 kB
After minification 57.2 kB
After compression 11.9 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 46.7 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 132.0 kB

Original 1.9 MB
After minification 1.8 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. De Bieb images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 54.3 kB

Original 82.5 kB
After minification 55.6 kB
After compression 28.2 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 54.3 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 35.4 kB

Original 43.1 kB
After minification 31.8 kB
After compression 7.7 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. Debieb.nl needs all CSS files to be minified and compressed as it can save up to 35.4 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Bieb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Links do not have a discernible name

Search Engine Optimization Advices

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/).

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 Debieb.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 Debieb.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 description is not detected on the main page of De Bieb. 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: