7.9 sec in total
237 ms
4.1 sec
3.6 sec
Visit zilverline.com now to see the best up-to-date Zilverline content and also check out these interesting facts you probably never knew about zilverline.com
Zilverline ontwikkelt maatwerk software voor web applicaties, mobiele apps en Internet Of Things. Ervaar onze hooggewaarde agile en scrum trainingen.
Visit zilverline.comWe analyzed Zilverline.com page load time and found that the first response time was 237 ms and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
zilverline.com performance score
name
value
score
weighting
Value9.1 s
0/100
10%
Value11.2 s
0/100
25%
Value9.5 s
12/100
10%
Value1,440 ms
15/100
30%
Value0.017
100/100
15%
Value15.4 s
7/100
10%
237 ms
397 ms
599 ms
869 ms
352 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that 69% of them (42 requests) were addressed to the original Zilverline.com, 10% (6 requests) were made to Youtube-nocookie.com and 5% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Production-public-files-zilverline-com.s3.eu-central-1.amazonaws.com.
Page size can be reduced by 364.3 kB (45%)
814.9 kB
450.6 kB
In fact, the total size of Zilverline.com main page is 814.9 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. 70% of websites need less resources to load. CSS take 404.4 kB which makes up the majority of the site volume.
Potential reduce by 22.2 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. This page needs HTML code to be minified as it can gain 3.3 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 22.2 kB or 72% of the original size.
Potential reduce by 7.9 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. Zilverline images are well optimized though.
Potential reduce by 24.3 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 24.3 kB or 33% of the original size.
Potential reduce by 309.9 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. Zilverline.com needs all CSS files to be minified and compressed as it can save up to 309.9 kB or 77% of the original size.
Number of requests can be reduced by 11 (21%)
53
42
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zilverline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
zilverline.com
237 ms
zilverline.com
397 ms
www.zilverline.com
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zilverline.com 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.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
zilverline.com 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
Page has valid source maps
zilverline.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zilverline.com 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 Zilverline.com main page’s claimed encoding is . 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.
zilverline.com
Open Graph description is not detected on the main page of Zilverline. 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: