Access silverjet.be. Luxe vakanties – Wij verzorgen uw luxe vakantie tot in detail

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.608

10/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

silverjet.be

404 ms

silverjet.be

1352 ms

bootstrap.min.css

543 ms

style.css

638 ms

25-jaar-silverjet-travel-in-style.svg

275 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 26% of them (18 requests) were addressed to the original Silverjet.be, 74% (50 requests) were made to Silverjet.nl. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Silverjet.be.

Content Size

574.0 kB

After Optimization

392.3 kB

In fact, the total size of Silverjet.be main page is 574.0 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. Images take 376.9 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 181.7 kB

Original 197.1 kB
After minification 106.3 kB
After compression 15.4 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 90.8 kB, which is 46% 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 181.7 kB or 92% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 376.9 kB
After minification 376.9 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. Silverjet images are well optimized though.

Requests Now

After Optimization

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Silverjet. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-hidden="true"] elements contain focusable descendents

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Image elements do not have [alt] attributes

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

NL
Language Claimed

NL
Encoding

UTF-8

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

Social Sharing Optimization

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