Access collectiegelderland.nl. Ontdek een schat aan Gelders erfgoed

Report Summary

About Website

Click here to check amazing Collectie Gelderland content for Netherlands. Otherwise, check out these important facts you probably never knew about collectiegelderland.nl

Met zo'n 650.000 objecten krijg je op CollectieGelderland het meest volledige beeld van al het Gelderse erfgoed. Om te vinden wat je zoekt of om je te laten verrassen.

Visit collectiegelderland.nl

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value340 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

www.collectiegelderland.nl

357 ms

style.css

475 ms

jquery.fancybox.css

219 ms

colorbox.css

216 ms

magnific-popup.css

247 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 94% of them (102 requests) were addressed to the original Collectiegelderland.nl, 3% (3 requests) were made to S7.addthis.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Collectiegelderland.nl.

Content Size

2.1 MB

After Optimization

1.2 MB

In fact, the total size of Collectiegelderland.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. 65% of websites need less resources to load. Javascripts take 986.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 142.5 kB

Original 178.4 kB
After minification 166.2 kB
After compression 35.9 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 142.5 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 37.6 kB

Original 872.7 kB
After minification 835.1 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. Collectie Gelderland images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 655.6 kB

Original 986.4 kB
After minification 942.0 kB
After compression 330.8 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 655.6 kB or 66% of the original size.

CSS Optimization

-85%

Potential reduce by 77.5 kB

Original 91.0 kB
After minification 50.2 kB
After compression 13.6 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. Collectiegelderland.nl needs all CSS files to be minified and compressed as it can save up to 77.5 kB or 85% of the original size.

Requests Now

104

After Optimization

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Collectie Gelderland. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

NL
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Collectiegelderland.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Collectiegelderland.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

collectiegelderland.nl

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Ontdek een schat aan Gelders erfgoed | Collectie Gelderland

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)