3 sec in total
357 ms
2.5 sec
196 ms
Welcome to iza.nl homepage info - get ready to check IZA best content for Netherlands right away, or after learning these important things about iza.nl
Werkt u bij gemeente, provincie, waterschap of de (vrijwillige) brandweer? IZA biedt een goede en betaalbare zorgverzekering met collectieve korting. Volop keuzevrijheid. Ontdek de voordelen van IZA v...
Visit iza.nlWe analyzed Iza.nl page load time and found that the first response time was 357 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
iza.nl performance score
name
value
score
weighting
Value6.3 s
3/100
10%
Value14.4 s
0/100
25%
Value12.9 s
2/100
10%
Value3,160 ms
2/100
30%
Value0.001
100/100
15%
Value18.7 s
3/100
10%
357 ms
287 ms
568 ms
127 ms
239 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 56% of them (22 requests) were addressed to the original Iza.nl, 23% (9 requests) were made to Google.com and 8% (3 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (616 ms) relates to the external source Cdn.dimml.io.
Page size can be reduced by 580.7 kB (61%)
949.9 kB
369.2 kB
In fact, the total size of Iza.nl main page is 949.9 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. 45% of websites need less resources to load. Javascripts take 598.3 kB which makes up the majority of the site volume.
Potential reduce by 31.6 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 31.6 kB or 73% of the original size.
Potential reduce by 3.1 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. IZA images are well optimized though.
Potential reduce by 443.9 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 443.9 kB or 74% of the original size.
Potential reduce by 102.1 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. Iza.nl needs all CSS files to be minified and compressed as it can save up to 102.1 kB or 83% of the original size.
Number of requests can be reduced by 18 (60%)
30
12
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IZA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.
iza.nl
357 ms
www.iza.nl
287 ms
www.iza.nl
568 ms
style.css
127 ms
modernizr.js
239 ms
jquery-1.11.0.min.js
460 ms
adv_tms_vgz_iza.nl.dd.js
288 ms
WebResource.axd
284 ms
blank.js
298 ms
bootstrap.min.js
305 ms
cookies.min.js
347 ms
init.js
391 ms
init.js
338 ms
ScriptResource.axd
356 ms
ScriptResource.axd
289 ms
bg.png
117 ms
utag.sync.js
152 ms
dimml.js
123 ms
1a6bc0d2ce27b3dc5645381056084008b4c82391.js
616 ms
IZA_logo.svg
125 ms
iza-naar-vgz-header-2.jpg
577 ms
cse.js
85 ms
Univers%20LT%2055%20Roman.woff
115 ms
Univers%20LT%2045%20Light.woff
129 ms
Univers%20LT%2065%20Bold.woff
130 ms
iza-icons.ttf
108 ms
utag.js
158 ms
cse.js
95 ms
jsapi
21 ms
default+nl.css
35 ms
default.css
41 ms
default+nl.I.js
39 ms
default.css
33 ms
async-ads.js
62 ms
google_custom_search_watermark.gif
33 ms
small-logo.png
21 ms
search_box_icon.png
51 ms
clear.png
19 ms
s79311561295762
15 ms
iza.nl accessibility score
iza.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
Missing source maps for large first-party JavaScript
iza.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
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iza.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 Iza.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.
iza.nl
Open Graph description is not detected on the main page of IZA. 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: