4.4 sec in total
712 ms
3.4 sec
300 ms
Click here to check amazing Air Allergy content. Otherwise, check out these important facts you probably never knew about airallergy.be
Visit airallergy.beWe analyzed Airallergy.be page load time and found that the first response time was 712 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
airallergy.be performance score
name
value
score
weighting
Value8.6 s
0/100
10%
Value11.1 s
0/100
25%
Value10.9 s
6/100
10%
Value420 ms
65/100
30%
Value0.114
86/100
15%
Value11.6 s
18/100
10%
712 ms
162 ms
263 ms
250 ms
251 ms
Our browser made a total of 69 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Airallergy.be, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (824 ms) relates to the external source Airallergy.wiv-isp.be.
Page size can be reduced by 259.2 kB (45%)
572.1 kB
312.9 kB
In fact, the total size of Airallergy.be main page is 572.1 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 233.9 kB which makes up the majority of the site volume.
Potential reduce by 29.3 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 29.3 kB or 79% of the original size.
Potential reduce by 22.5 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. Air Allergy images are well optimized though.
Potential reduce by 121.7 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 121.7 kB or 63% of the original size.
Potential reduce by 85.6 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. Airallergy.be needs all CSS files to be minified and compressed as it can save up to 85.6 kB or 80% of the original size.
Number of requests can be reduced by 45 (66%)
68
23
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Air Allergy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 29 to 1 for CSS and as a result speed up the page load time.
nl
712 ms
system.base.css
162 ms
system.menus.css
263 ms
system.messages.css
250 ms
system.theme.css
251 ms
jquery.ui.core.min.css
253 ms
jquery.ui.theme.min.css
332 ms
simplenews.css
253 ms
calendar_multiday.css
412 ms
comment.css
336 ms
date.css
334 ms
datepicker.1.7.css
336 ms
date_repeat_field.css
344 ms
field.css
415 ms
node.css
416 ms
search.css
416 ms
user.css
416 ms
forum.css
424 ms
views.css
517 ms
ckeditor.css
497 ms
colorbox_style.css
499 ms
ctools.css
497 ms
geomap.css
515 ms
panels.css
504 ms
colorbox_swipe.css
612 ms
addtoany.css
580 ms
lang_dropdown.css
578 ms
style.css
588 ms
media.css
594 ms
custom_wivisp.css
595 ms
jquery.min.js
824 ms
jquery.once.js
676 ms
drupal.js
669 ms
jquery.ui.core.min.js
675 ms
nl_DOIIPRaLEM0qgEFbrGvJ3bVyo7JwAfi7Q4pIp9SzZvA.js
771 ms
jquery.colorbox-min.js
779 ms
js
34 ms
colorbox.js
699 ms
colorbox_style.js
611 ms
jquery.googlemaps.js
542 ms
captcha.js
628 ms
googleanalytics.js
637 ms
lang_dropdown.js
631 ms
custom.js
617 ms
jquery.event.move.js
631 ms
jquery.event.swipe.js
697 ms
colorbox_swipe.js
610 ms
analytics.js
57 ms
airallergy_header_v2.png
205 ms
wiv-isp-logo-wit_final_straightdown95h.png
184 ms
nav-border.png
142 ms
p1030988_0.jpg
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nois260213_a.jpg
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graphnl_bruxellesalnuscorylus_0.jpg
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marker.png
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twitter.png
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application-pdf.png
307 ms
calendrier_pollinique_2016_nlverdefpr.jpg
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nl.png
292 ms
search-button.png
328 ms
image_captcha
420 ms
feed.png
385 ms
share_save_171_16.png
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wiv-isp-logo-footer_0.jpg
389 ms
spw-wallonie-logo-footer.jpg
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vlaams-agentschap-zorg-gezondheid-logo-footer.jpg
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leefmilieu-brussel-ibge-logo-footer.jpg
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collect
13 ms
airallergy.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
airallergy.be 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
airallergy.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
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Airallergy.be can be misinterpreted by Google and other search engines. Our service has detected that English 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 Airallergy.be 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.
airallergy.be
Open Graph description is not detected on the main page of Air Allergy. 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: