Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

slejs.at

Webdesign und PC-Service in Wien - Slejs IT-Dienstleistungen Wien

Page Load Speed

3.3 sec in total

First Response

342 ms

Resources Loaded

2.6 sec

Page Rendered

342 ms

slejs.at screenshot

About Website

Welcome to slejs.at homepage info - get ready to check Slejs best content right away, or after learning these important things about slejs.at

Wir bieten die Konzeption, Gestaltung und Programmierung von barrierefreien Internetseiten mit Content-Management-Systemen (CMS) und Shop-Systemen für Ihr Unternehmen und ermöglichen Ihnen das Hosting...

Visit slejs.at

Key Findings

We analyzed Slejs.at page load time and found that the first response time was 342 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

slejs.at performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value4.9 s

66/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

slejs.at

342 ms

www.slejs.at

739 ms

208a9d5990a7.css

192 ms

e53a815ab435.js

594 ms

mediabox.js

192 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that all of those requests were addressed to Slejs.at and no external sources were called. The less responsive or slowest element that took the longest time to load (859 ms) belongs to the original domain Slejs.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 186.0 kB (41%)

Content Size

448.5 kB

After Optimization

262.6 kB

In fact, the total size of Slejs.at main page is 448.5 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. 15% of websites need less resources to load. Images take 213.0 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 12.2 kB

  • Original 17.2 kB
  • After minification 16.6 kB
  • After compression 5.0 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 12.2 kB or 71% of the original size.

Image Optimization

-9%

Potential reduce by 20.0 kB

  • Original 213.0 kB
  • After minification 193.0 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. Slejs images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 140.2 kB

  • Original 200.3 kB
  • After minification 200.2 kB
  • After compression 60.1 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 140.2 kB or 70% of the original size.

CSS Optimization

-75%

Potential reduce by 13.5 kB

  • Original 18.0 kB
  • After minification 17.4 kB
  • After compression 4.4 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. Slejs.at needs all CSS files to be minified and compressed as it can save up to 13.5 kB or 75% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slejs. According to our analytics all requests are already optimized.

Accessibility Review

slejs.at accessibility score

100

Accessibility Issues

Best Practices

slejs.at best practices score

75

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

slejs.at SEO score

91

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

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Slejs.at can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Slejs.at 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 Slejs. 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: