3.6 sec in total
341 ms
2.9 sec
342 ms
Visit isam.nl now to see the best up-to-date Isam content and also check out these interesting facts you probably never knew about isam.nl
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Visit isam.nlWe analyzed Isam.nl page load time and found that the first response time was 341 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.
isam.nl performance score
name
value
score
weighting
Value2.9 s
52/100
10%
Value3.5 s
65/100
25%
Value2.9 s
94/100
10%
Value270 ms
82/100
30%
Value0.029
100/100
15%
Value8.1 s
41/100
10%
341 ms
618 ms
169 ms
167 ms
346 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 94% of them (46 requests) were addressed to the original Isam.nl, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Isam.nl.
Page size can be reduced by 686.3 kB (38%)
1.8 MB
1.1 MB
In fact, the total size of Isam.nl main page is 1.8 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. 30% of websites need less resources to load. Images take 925.4 kB which makes up the majority of the site volume.
Potential reduce by 41.9 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 41.9 kB or 87% of the original size.
Potential reduce by 16.9 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. Isam images are well optimized though.
Potential reduce by 574.0 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 574.0 kB or 73% of the original size.
Potential reduce by 53.6 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. Isam.nl needs all CSS files to be minified and compressed as it can save up to 53.6 kB or 86% of the original size.
Number of requests can be reduced by 15 (33%)
46
31
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
isam.nl
341 ms
www.isam.nl
618 ms
style.css
169 ms
accordion.css
167 ms
mootools.v1.3.core.js
346 ms
mootools.v1.3.more.js
519 ms
ViewCarousel.min.js
179 ms
VideoHover.js
181 ms
cufon-yui.js
255 ms
geogrotesque.font.js
632 ms
common.js
260 ms
formcheck.js
265 ms
header-isam.jpg
1365 ms
logo.png
123 ms
405mdv729.jpg
1125 ms
406yy5cyr.jpg
258 ms
40449dzsu.jpg
434 ms
header_deco.png
122 ms
menu.png
193 ms
home_block_bg.png
874 ms
blue_block.png
280 ms
white_triangle.png
340 ms
bottom_shadow.png
364 ms
video_block_header.png
424 ms
237fh21f.jpg
448 ms
white_block_bg.png
508 ms
dl_sep.png
516 ms
video_more_info.png
532 ms
video_link_bg_1.png
593 ms
259eg67h.jpg
600 ms
video_link_bg_2.png
615 ms
24rudakd.jpg
676 ms
video_link_bg_3.png
683 ms
see_also_bg.png
698 ms
content_block_top.png
760 ms
533rl0qdn.jpg
1285 ms
content_block_shadow.png
782 ms
blue_triangle.png
846 ms
7b5eiio.jpg
867 ms
blue_triangle_top.png
932 ms
6mo8h9c.jpg
953 ms
5z1004w.jpg
954 ms
3upnq8u.jpg
1019 ms
830rlziib.png
1037 ms
60ivkery.png
1041 ms
footer.png
1105 ms
ga.js
84 ms
__utm.gif
23 ms
collect
66 ms
isam.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
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
Links do not have a discernible name
isam.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
Page has valid source maps
isam.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
NL
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Isam.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 Isam.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.
isam.nl
Open Graph description is not detected on the main page of Isam. 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: