2.6 sec in total
169 ms
1.9 sec
527 ms
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Innovating diagnostics, shaping healthcare, changing lives
Visit cobas.beWe analyzed Cobas.be page load time and found that the first response time was 169 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
cobas.be performance score
name
value
score
weighting
Value2.8 s
57/100
10%
Value9.4 s
0/100
25%
Value5.6 s
54/100
10%
Value420 ms
66/100
30%
Value0.362
30/100
15%
Value8.8 s
35/100
10%
169 ms
58 ms
91 ms
57 ms
1117 ms
Our browser made a total of 20 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Cobas.be, 30% (6 requests) were made to Roche.scene7.com and 5% (1 request) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Diagnostics.roche.com.
Page size can be reduced by 244.9 kB (11%)
2.2 MB
2.0 MB
In fact, the total size of Cobas.be main page is 2.2 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. 15% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.
Potential reduce by 71.8 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 71.8 kB or 84% of the original size.
Potential reduce by 165.3 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. Cobas images are well optimized though.
Potential reduce by 12 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 7.8 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. Cobas.be has all CSS files already compressed.
We found no issues to fix!
14
14
The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cobas. According to our analytics all requests are already optimized.
home.html
169 ms
roche-global-publish.min.d9af8f2f10babcf969ee19e1ddd42fce.css
58 ms
roche-component-publish.min.aa907a9b6d755893346be5a88391a6a7.css
91 ms
icon_logo.svg
57 ms
respiratory-viruses-season-hero
1117 ms
testGIF-2023EOY-article-thumbnail+Liat.gif
715 ms
EoY_People%20story_thumbnail
960 ms
ADA-pickleball_Hero_2880x1404
744 ms
blank.png
21 ms
homepage-product
455 ms
homepage-files
588 ms
homepage-elearning
396 ms
rocket-loader.min.js
5 ms
RocheSans-Light.ttf
601 ms
NotoSans-Light.woff2
702 ms
RocheSans-Regular.ttf
1262 ms
NotoSans-Regular.woff2
27 ms
rochesvgicons.woff
55 ms
roche-print-publish.min.9e7631865e179a91230a5aec3686fee2.css
26 ms
otSDKStub.js
37 ms
cobas.be accessibility score
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
Image elements do not have [alt] attributes
cobas.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
Missing source maps for large first-party JavaScript
cobas.be 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
Image elements do not have [alt] attributes
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cobas.be can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Cobas.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.
cobas.be
Open Graph data is detected on the main page of Cobas. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: