Tools & Wizards About Us
sltn.nl screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

sltn.nl

Home - SLTN

Page Load Speed

2.4 sec in total

First Response

276 ms

Resources Loaded

1.7 sec

Page Rendered

476 ms

sltn.nl screenshot

About Website

Visit sltn.nl now to see the best up-to-date SLTN content for Netherlands and also check out these interesting facts you probably never knew about sltn.nl

SLTN zorgt ervoor dat de steeds complexere IT-omgevingen beschikbaar worden én blijven. Vandaag, morgen en in de toekomst. SLTN, voor Future-proof IT.

Visit sltn.nl

Key Findings

We analyzed Sltn.nl page load time and found that the first response time was 276 ms and then it took 2.2 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.

Performance Metrics

sltn.nl performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value11.4 s

0/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.315

37/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

sltn.nl

276 ms

sltn.nl

589 ms

jquery.min.js

109 ms

jquery-migrate.min.js

202 ms

js

87 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 92% of them (23 requests) were addressed to the original Sltn.nl, 4% (1 request) were made to Googletagmanager.com and 4% (1 request) were made to Sltn.handlangers-staging.com. The less responsive or slowest element that took the longest time to load (837 ms) relates to the external source Sltn.handlangers-staging.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 282.4 kB (42%)

Content Size

667.8 kB

After Optimization

385.4 kB

  • HTML
  • Images

In fact, the total size of Sltn.nl main page is 667.8 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. 20% of websites need less resources to load. Images take 334.7 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 281.8 kB

  • Original 333.1 kB
  • After minification 328.7 kB
  • After compression 51.3 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 281.8 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 646 B

  • Original 334.7 kB
  • After minification 334.1 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. SLTN images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 3 (15%)

Requests Now

20

After Optimization

17

  • Images
  • JavaScript

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SLTN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sltn.nl

sltn.nl

276 ms

sltn.nl

sltn.nl

589 ms

jquery.min.js

jquery.min.js

109 ms

jquery-migrate.min.js

jquery-migrate.min.js

202 ms

js

js

87 ms

visual__home_header.png

visual__home_header.png

837 ms

89a0b76709a3557e08245d55049fed26.js

89a0b76709a3557e08245d55049fed26.js

629 ms

SLTN_header_logo@2x.png

SLTN_header_logo@2x.png

272 ms

nl.svg

nl.svg

277 ms

en.svg

en.svg

278 ms

icon__professionals_services.png

icon__professionals_services.png

279 ms

icon__digital_workspace.png

icon__digital_workspace.png

280 ms

icon__business_services.png

icon__business_services.png

362 ms

icon__datacenter_cloud.png

icon__datacenter_cloud.png

368 ms

icon_ai_services.png

icon_ai_services.png

375 ms

icon__networking_iot.png

icon__networking_iot.png

370 ms

icon__data_services.png

icon__data_services.png

373 ms

icon__cybersecurity.png

icon__cybersecurity.png

453 ms

icon__application_services.png

icon__application_services.png

458 ms

icon__unified_communication.png

icon__unified_communication.png

461 ms

visual__vacatures.jpg

visual__vacatures.jpg

741 ms

sltn_footer_logo.png

sltn_footer_logo.png

466 ms

CLEANVEL.ttf

CLEANVEL.ttf

382 ms

CLEANVEB.ttf

CLEANVEB.ttf

560 ms

modules.woff

modules.woff

476 ms

Accessibility Review

sltn.nl accessibility score

74

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sltn.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sltn.nl SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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

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 Sltn.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 Sltn.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.

Social Sharing Optimization

sltn.nl

Open Graph data is detected on the main page of SLTN. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: