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Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

cervis.de

Start | Partner for IT-infrastructure | Cervis GmbH

Page Load Speed

4.4 sec in total

First Response

550 ms

Resources Loaded

3 sec

Page Rendered

869 ms

About Website

Welcome to cervis.de homepage info - get ready to check Cervis best content right away, or after learning these important things about cervis.de

Cervis supports you in building and maintaining your IT systems throughout Germany. Rollouts. Planning. Controlling. Installation. Maintenance.

Visit cervis.de

Key Findings

We analyzed Cervis.de page load time and found that the first response time was 550 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

cervis.de performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value1,810 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

cervis.de

550 ms

cervis.de

623 ms

en

489 ms

jquery.js

368 ms

view.css

284 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 92% of them (33 requests) were addressed to the original Cervis.de, 3% (1 request) were made to Consent.cookiefirst.com and 3% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (773 ms) belongs to the original domain Cervis.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 359.9 kB (35%)

Content Size

1.0 MB

After Optimization

677.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cervis.de main page is 1.0 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. 60% of websites need less resources to load. Javascripts take 495.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 46.9 kB

  • Original 56.7 kB
  • After minification 44.6 kB
  • After compression 9.9 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 12.1 kB, which is 21% 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 46.9 kB or 83% of the original size.

Image Optimization

-15%

Potential reduce by 56.0 kB

  • Original 382.2 kB
  • After minification 326.2 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. Obviously, Cervis needs image optimization as it can save up to 56.0 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-34%

Potential reduce by 169.7 kB

  • Original 495.3 kB
  • After minification 495.3 kB
  • After compression 325.5 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 169.7 kB or 34% of the original size.

CSS Optimization

-84%

Potential reduce by 87.3 kB

  • Original 103.5 kB
  • After minification 103.5 kB
  • After compression 16.2 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. Cervis.de needs all CSS files to be minified and compressed as it can save up to 87.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (17%)

Requests Now

23

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cervis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cervis.de accessibility score

77

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

Some elements have a [tabindex] value greater than 0

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a valid value for its [lang] attribute.

Best Practices

cervis.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

cervis.de SEO score

86

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cervis.de 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 Cervis.de 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 data is detected on the main page of Cervis. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: