2.1 sec in total
368 ms
1.5 sec
295 ms
Welcome to ongewervelden.be homepage info - get ready to check Ongewervelden best content right away, or after learning these important things about ongewervelden.be
De werkgroep ongewervelden is een onderdeel van de Limburgse Koepel voor Natuurstudie (LIKONA). In een samenwerkingsverband bestuderen vrijwilligers, amateur- en professionele entomologen de insecten-...
Visit ongewervelden.beWe analyzed Ongewervelden.be page load time and found that the first response time was 368 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
ongewervelden.be performance score
name
value
score
weighting
Value0.9 s
100/100
10%
Value0.9 s
100/100
25%
Value1.1 s
100/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value0.9 s
100/100
10%
368 ms
103 ms
280 ms
293 ms
295 ms
Our browser made a total of 52 requests to load all elements on the main page. We found that all of those requests were addressed to Ongewervelden.be and no external sources were called. The less responsive or slowest element that took the longest time to load (793 ms) belongs to the original domain Ongewervelden.be.
Page size can be reduced by 24.0 kB (28%)
86.3 kB
62.3 kB
In fact, the total size of Ongewervelden.be main page is 86.3 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. 15% of websites need less resources to load. Images take 55.1 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. 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 23.9 kB or 77% of the original size.
Potential reduce by 91 B
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. Ongewervelden images are well optimized though.
Number of requests can be reduced by 21 (41%)
51
30
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ongewervelden. 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.
ongewervelden.be
368 ms
banner_limsteuntekst.gif
103 ms
spacer.gif
280 ms
banner_wo.gif
293 ms
logo_wo_tekstgrijs.gif
295 ms
k_home_a.gif
294 ms
k_info_a.gif
296 ms
k_onderz_a.gif
218 ms
k_public_a.gif
317 ms
k_bib_a.gif
377 ms
k_agenda_a.gif
391 ms
k_contact_a.gif
390 ms
k_oproep_a.gif
392 ms
k_forum_a.gif
390 ms
k_links_a.gif
415 ms
k_leeg.gif
489 ms
k_tussentekst.gif
487 ms
k_mieren_a.gif
486 ms
k_kevers_a.gif
490 ms
k_hymenopt_b.gif
489 ms
k_tuintips.gif
513 ms
likona_logo.gif
583 ms
k_bryolim_a.gif
583 ms
k_formicidae_a.gif
586 ms
k_mycolim_a.gif
587 ms
at_knop_a.gif
587 ms
europa.gif
611 ms
loc_oudsberg.jpg
689 ms
loc_talud.jpg
782 ms
loc_corticaria-alleni_niche.gif
694 ms
col_biphyllus_lunatus.jpg
696 ms
mjacobs_agapanthia_cardui1.jpg
702 ms
col_sanguinolentus.jpg
724 ms
krt_sanguinolentus.gif
793 ms
logo_wo_tekst.gif
791 ms
k_home_b.gif
99 ms
k_info_b.gif
100 ms
k_onderz_b.gif
100 ms
k_public_b.gif
103 ms
k_agenda_b.gif
101 ms
k_contact_b.gif
102 ms
at_knop_b.gif
199 ms
k_links_b.gif
200 ms
k_mieren_b.gif
208 ms
k_forumn_b.gif
202 ms
k_kevers_b.gif
200 ms
k_hymenopt_a.gif
201 ms
k_oproep_b.gif
299 ms
k_bryolim_b.gif
299 ms
k_formicidae_b.gif
303 ms
k_mycolim_b.gif
300 ms
k_bib_b.gif
301 ms
ongewervelden.be 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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
ongewervelden.be best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
ongewervelden.be SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
N/A
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ongewervelden.be can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Ongewervelden.be main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
ongewervelden.be
Open Graph description is not detected on the main page of Ongewervelden. 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: