Tools & Wizards About Us

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

zertifizierung-portal.de

zertifizierung-portal- Originale Prüfungsfragen, IT-Pruefungsvorbereitung Online

Page Load Speed

2.2 sec in total

First Response

56 ms

Resources Loaded

2 sec

Page Rendered

115 ms

About Website

Welcome to zertifizierung-portal.de homepage info - get ready to check Zertifizierung Portal best content right away, or after learning these important things about zertifizierung-portal.de

zertifizierung-portal.de bietet Übungsexamen zur Vorbereitung auf IT-Zertifizierungsprüfungen. Unsere Prüfungsunterlagen mit den originalen Prüfungsfragen und Antworten bei www.zertifizierung-portal.d...

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Key Findings

We analyzed Zertifizierung-portal.de page load time and found that the first response time was 56 ms and then it took 2.1 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

zertifizierung-portal.de performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.057

98/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

zertifizierung-portal.de

56 ms

zertifizierung-portal.de

206 ms

www.zertifizierung-portal.de

314 ms

main.css

205 ms

default.css

206 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that all of those requests were addressed to Zertifizierung-portal.de and no external sources were called. The less responsive or slowest element that took the longest time to load (917 ms) belongs to the original domain Zertifizierung-portal.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.4 kB (16%)

Content Size

247.7 kB

After Optimization

209.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zertifizierung-portal.de main page is 247.7 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. Only 10% of websites need less resources to load. Images take 190.0 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 21.7 kB

  • Original 27.9 kB
  • After minification 22.7 kB
  • After compression 6.2 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 5.2 kB, which is 19% 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 21.7 kB or 78% of the original size.

Image Optimization

-9%

Potential reduce by 16.2 kB

  • Original 190.0 kB
  • After minification 173.8 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. Zertifizierung Portal images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 277 B

  • Original 26.1 kB
  • After minification 26.1 kB
  • After compression 25.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 197 B

  • Original 3.7 kB
  • After minification 3.7 kB
  • After compression 3.5 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. Zertifizierung-portal.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (30%)

Requests Now

23

After Optimization

16

  • Images
  • JavaScript
  • CSS

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

Network Requests Diagram

Accessibility Review

zertifizierung-portal.de accessibility score

53

Accessibility Issues

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.

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 [lang] attribute

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

zertifizierung-portal.de best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

zertifizierung-portal.de SEO score

58

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zertifizierung-portal.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zertifizierung-portal.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 description is not detected on the main page of Zertifizierung Portal. 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: