3.8 sec in total
447 ms
3 sec
324 ms
Click here to check amazing Groninger Archieven content for Netherlands. Otherwise, check out these important facts you probably never knew about groningerarchieven.nl
Ontdek de geschiedenis van stad en provincie Groningen bij de Groninger Archieven: van de middeleeuwen tot nu.
Visit groningerarchieven.nlWe analyzed Groningerarchieven.nl page load time and found that the first response time was 447 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 55% of websites can load faster.
groningerarchieven.nl performance score
name
value
score
weighting
Value3.5 s
35/100
10%
Value10.4 s
0/100
25%
Value8.0 s
22/100
10%
Value240 ms
86/100
30%
Value0
100/100
15%
Value9.2 s
32/100
10%
447 ms
765 ms
798 ms
88 ms
166 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that 80% of them (49 requests) were addressed to the original Groningerarchieven.nl, 13% (8 requests) were made to Ajax.googleapis.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (798 ms) belongs to the original domain Groningerarchieven.nl.
Page size can be reduced by 224.5 kB (44%)
512.2 kB
287.7 kB
In fact, the total size of Groningerarchieven.nl main page is 512.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 391.1 kB which makes up the majority of the site volume.
Potential reduce by 23.9 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. This page needs HTML code to be minified as it can gain 5.2 kB, which is 17% 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 23.9 kB or 80% of the original size.
Potential reduce by 147.7 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, Groninger Archieven needs image optimization as it can save up to 147.7 kB or 38% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 10.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 10.3 kB or 27% of the original size.
Potential reduce by 42.7 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. Groningerarchieven.nl needs all CSS files to be minified and compressed as it can save up to 42.7 kB or 79% of the original size.
Number of requests can be reduced by 22 (38%)
58
36
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Groninger Archieven. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.
groningerarchieven.nl
447 ms
www.groningerarchieven.nl
765 ms
www.groningerarchieven.nl
798 ms
site.css
88 ms
Home.png
166 ms
Over+ons.png
251 ms
Onderzoek.png
260 ms
Educatie.png
260 ms
Historie.png
276 ms
Bronbewerkingen.png
279 ms
loadingmsg.gif
281 ms
2876854374
505 ms
prototype.js
37 ms
acties.js
339 ms
vitrine.js
340 ms
swfobject.js
363 ms
scriptaculous.js
38 ms
builder.js
41 ms
effects.js
33 ms
Groninger+Archieven.png
360 ms
Regionaal+Historisch+Centrum.png
362 ms
2883665984
494 ms
Dag+van+de+Grunneger+toal+2016.png
412 ms
2885653681
533 ms
Lezingenavond+over+landschapsgeschiedenis.png
446 ms
2885847797
543 ms
Middag+over+de+sporen+van+het+slavernijverleden+in+Groningen.png
496 ms
2885834571
632 ms
Lezingenavond+over+het+landschap+van+molens.png
571 ms
2884956019
579 ms
Avond+over+de+Punt+van+Reide+terugkijken.png
576 ms
Agenda.png
618 ms
Laatste+nieuws.png
630 ms
Nieuwsbrief.png
650 ms
background-gradient.png
625 ms
input-zoek.gif
546 ms
button-zoek.gif
592 ms
logo.gif
602 ms
bg.gif
698 ms
facebook.png
613 ms
twitter.png
627 ms
instagram.png
680 ms
youtube-icon.png
691 ms
vimeo-icon.png
696 ms
linkedin-icon.png
691 ms
menu-item-bg-active.png
702 ms
menu-item-bg.png
755 ms
gradient-bruin.gif
675 ms
stripes-category.gif
664 ms
stripes-uitgelicht.gif
653 ms
gradient-blauw.gif
659 ms
footer-bg.png
673 ms
slideshow-trans.png
682 ms
dragdrop.js
6 ms
controls.js
8 ms
slider.js
9 ms
sound.js
8 ms
analytics.js
24 ms
ka.js
351 ms
collect
12 ms
track
87 ms
groningerarchieven.nl accessibility score
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
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
Heading elements are not in a sequentially-descending order
groningerarchieven.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
General
Impact
Issue
Detected JavaScript libraries
groningerarchieven.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
Tap targets are not sized appropriately
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Groningerarchieven.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 Groningerarchieven.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.
groningerarchieven.nl
Open Graph description is not detected on the main page of Groninger Archieven. 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: