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kwtz.de screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

kwtz.de

Page Load Speed

6.9 sec in total

First Response

233 ms

Resources Loaded

6 sec

Page Rendered

682 ms

kwtz.de screenshot

About Website

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

KW Trainingszentrum KWTZ - Ihr Partner für IT-Schulungen, Office 365, Photoshop, Teams und viele weitere Seminare für Microsoft und Adobe in Düsseldorf, Essen, Duisburg und Oberhausen - Alle Kurse auc...

Visit kwtz.de

Key Findings

We analyzed Kwtz.de page load time and found that the first response time was 233 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

kwtz.de performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

kwtz.de

233 ms

2843 ms

0b1added71.css

212 ms

global.css

312 ms

main.css

313 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 95% of them (40 requests) were addressed to the original Kwtz.de, 5% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Kwtz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 117.5 kB (14%)

Content Size

814.3 kB

After Optimization

696.8 kB

  • HTML
  • Images

In fact, the total size of Kwtz.de main page is 814.3 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. 30% of websites need less resources to load. Images take 773.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 31.5 kB

  • Original 40.4 kB
  • After minification 36.6 kB
  • After compression 8.8 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 31.5 kB or 78% of the original size.

Image Optimization

-11%

Potential reduce by 85.9 kB

  • Original 773.9 kB
  • After minification 688.0 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. Obviously, Kwtz needs image optimization as it can save up to 85.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

Number of requests can be reduced by 16 (40%)

Requests Now

40

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kwtz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kwtz.de

kwtz.de

233 ms

2843 ms

0b1added71.css

0b1added71.css

212 ms

global.css

global.css

312 ms

main.css

main.css

313 ms

navigation.css

navigation.css

320 ms

mainRes.css

mainRes.css

318 ms

navigationRes.css

navigationRes.css

320 ms

popup.css

popup.css

316 ms

form.css

form.css

413 ms

jquery-3.4.0.min.js

jquery-3.4.0.min.js

517 ms

jquery.details.min.js

jquery.details.min.js

420 ms

jquery.cookie.js

jquery.cookie.js

426 ms

popup.js

popup.js

425 ms

globalFunctions.js

globalFunctions.js

427 ms

js

js

59 ms

gtm.js

gtm.js

63 ms

mobile.png

mobile.png

126 ms

mail.png

mail.png

128 ms

map.png

map.png

315 ms

lastMinute.php

lastMinute.php

132 ms

kwtz_rahmen.png

kwtz_rahmen.png

106 ms

phone.png

phone.png

103 ms

csm_slide1_7a82c8e093.jpg

csm_slide1_7a82c8e093.jpg

369 ms

csm_termin_7a37becb8b.png

csm_termin_7a37becb8b.png

297 ms

csm_schulung10_44bf52670d.jpg

csm_schulung10_44bf52670d.jpg

209 ms

csm_bigdata_78098bc3cb.png

csm_bigdata_78098bc3cb.png

329 ms

csm_auszubildende_01_bec69c13e7.png

csm_auszubildende_01_bec69c13e7.png

437 ms

csm_lounge01_4f7a91cca2.png

csm_lounge01_4f7a91cca2.png

413 ms

csm_empfang_d2cba26ad5.png

csm_empfang_d2cba26ad5.png

514 ms

csm_konferenzraum_12er_1299b409c1.png

csm_konferenzraum_12er_1299b409c1.png

610 ms

office.png

office.png

450 ms

csm_firmenseminare_f0a2c8253a.png

csm_firmenseminare_f0a2c8253a.png

480 ms

csm_migration_9eb55a1332.png

csm_migration_9eb55a1332.png

535 ms

csm_sharepoint_867409417e.png

csm_sharepoint_867409417e.png

552 ms

csm_elearning_e39aa68500.png

csm_elearning_e39aa68500.png

568 ms

csm_maennchentelefon_126f65518d.png

csm_maennchentelefon_126f65518d.png

591 ms

global.css

global.css

494 ms

main.css

main.css

509 ms

booking.css

booking.css

528 ms

excel.png

excel.png

547 ms

outlook.png

outlook.png

572 ms

Accessibility Review

kwtz.de accessibility score

87

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

kwtz.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kwtz.de SEO score

71

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kwtz.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Kwtz.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

kwtz.de

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