Access umc.nl. UMC Zorgverzekering | Dé zorgverzekering voor UMC-medewerkers

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value17.6 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value2,360 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

umc.nl

284 ms

search

391 ms

b_8d5afc09.png

8 ms

googlelogo_desk_heirloom_color_150x55dp.gif

15 ms

googlelogo_tier_3_footer_g_color_18x26dp.gif

13 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 13% of them (1 request) were addressed to the original Umc.nl, 75% (6 requests) were made to Google.nl and 13% (1 request) were made to Ssl.gstatic.com. The less responsive or slowest element that took the longest time to load (391 ms) relates to the external source Google.nl.

Content Size

61.8 kB

After Optimization

24.0 kB

In fact, the total size of Umc.nl main page is 61.8 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. Only 10% of websites need less resources to load. HTML takes 52.0 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 37.8 kB

Original 52.0 kB
After minification 52.0 kB
After compression 14.2 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 37.8 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 9.8 kB
After minification 9.8 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. UMC images are well optimized though.

Requests Now

After Optimization

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UMC. According to our analytics all requests are already optimized.

Accessibility Issues

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.

High

<frame> or <iframe> elements do not have a title

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

NL
Language Claimed

N/A
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Umc.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 Umc.nl 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.

Social Sharing Optimization

Open Graph description is not detected on the main page of UMC. 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: