4.8 sec in total
956 ms
3.1 sec
748 ms
Visit isover.nl now to see the best up-to-date Isover content for Netherlands and also check out these interesting facts you probably never knew about isover.nl
Isoleren met ISOVER glaswol is duurzaam, eenvoudig en brandveilig. Haal de beste isolatieprestaties met ISOVER. Hoe u het beste isoleeert? U vindt het op ISOVER.nl. Isolatiematerialen
Visit isover.nlWe analyzed Isover.nl page load time and found that the first response time was 956 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
isover.nl performance score
name
value
score
weighting
Value2.9 s
53/100
10%
Value11.4 s
0/100
25%
Value17.5 s
0/100
10%
Value14,980 ms
0/100
30%
Value0.261
47/100
15%
Value21.5 s
1/100
10%
956 ms
26 ms
28 ms
40 ms
47 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 60% of them (24 requests) were addressed to the original Isover.nl, 20% (8 requests) were made to Cdn.cookielaw.org and 8% (3 requests) were made to Static.addtoany.com. The less responsive or slowest element that took the longest time to load (956 ms) belongs to the original domain Isover.nl.
Page size can be reduced by 790.0 kB (15%)
5.4 MB
4.6 MB
In fact, the total size of Isover.nl main page is 5.4 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. 55% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.
Potential reduce by 788.4 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 788.4 kB or 79% of the original size.
Potential reduce by 1.3 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. Isover images are well optimized though.
Potential reduce by 143 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 126 B
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. Isover.nl has all CSS files already compressed.
Number of requests can be reduced by 18 (51%)
35
17
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isover. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
www.isover.nl
956 ms
google_tag.script.js
26 ms
google_tag.script.js
28 ms
css_Odoi3jHya06qcgk0ay8wzNLcliZ97Gfh_ZvSejHO1pM.css
40 ms
css_j0zTBahZLA8_ybXbNO0UHzlU5NnFfyLwSHTvosai8p8.css
47 ms
css_VavDejTIQMRuMbOx59rZTcYuMYIWb3ekniD0ZKAdjrA.css
24 ms
js_QHqjxhGPGgZFwOfW92tmrVpssmC1sbO0zDG4TgLmaEI.js
41 ms
ISOVER-Saint-Gobain.svg
141 ms
blazy_placeholder.gif
61 ms
js_noh6f1E92XK8ZJZGmJoMhGA666XYjks-LGwBu91KfuE.js
84 ms
page.js
45 ms
js_pz2XBfWcb8N0ciAKxH3w5EpQj78WoVI-VPJJo76fEqU.js
126 ms
_Incapsula_Resource
28 ms
Logo_Saint-Gobain.png
44 ms
Roboto-Regular.woff
26 ms
Roboto-Medium.woff
291 ms
Roboto-Light.woff
44 ms
Roboto-Bold.woff
124 ms
gtm.js
144 ms
gtm.js
194 ms
Klussen-met-ISOVER.jpg
241 ms
Campagne_banner_mac3.jpg
523 ms
verduurzamen-en-circulariteit-isover-saint-gobain-slider.png
931 ms
eso.e18d3993.js
110 ms
sm.23.html
148 ms
_Incapsula_Resource
44 ms
otSDKStub.js
63 ms
stat.js
54 ms
d4990363-6dfb-4e7d-9901-93a98c424692.json
125 ms
Klussen-met-ISOVER.jpg
54 ms
location
67 ms
otBannerSdk.js
16 ms
nl.json
93 ms
Campagne_banner_mac3.jpg
920 ms
otFloatingRoundedIcon.json
113 ms
otPcPanel.json
151 ms
otCookieSettingsButton.json
97 ms
otCommonStyles.css
102 ms
verduurzamen-en-circulariteit-isover-saint-gobain-slider.png
901 ms
nr-1216.min.js
13 ms
isover.nl 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
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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
isover.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
isover.nl SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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 Isover.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 Isover.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.
isover.nl
Open Graph description is not detected on the main page of Isover. 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: