Tools & Wizards About Us
dvs-karlsruhe.de screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

dvs-karlsruhe.de

dvs-karlsruhe.de

Page Load Speed

9.6 sec in total

First Response

625 ms

Resources Loaded

7.5 sec

Page Rendered

1.5 sec

dvs-karlsruhe.de screenshot

About Website

Visit dvs-karlsruhe.de now to see the best up-to-date Dvs Karlsruhe content and also check out these interesting facts you probably never knew about dvs-karlsruhe.de

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Key Findings

We analyzed Dvs-karlsruhe.de page load time and found that the first response time was 625 ms and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

dvs-karlsruhe.de performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value17.4 s

0/100

10%

TBT (Total Blocking Time)

Value26,470 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value38.1 s

0/100

10%

Network Requests Diagram

dvs-karlsruhe.de

625 ms

bootstrap.min.css

592 ms

user.css

241 ms

adsbygoogle.js

262 ms

js

580 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 29% of them (11 requests) were addressed to the original Dvs-karlsruhe.de, 21% (8 requests) were made to Youtube.com and 11% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source B-dp.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 558.5 kB (70%)

Content Size

803.3 kB

After Optimization

244.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dvs-karlsruhe.de main page is 803.3 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. CSS take 508.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 16.7 kB

  • Original 22.9 kB
  • After minification 22.4 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. 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 16.7 kB or 73% of the original size.

Image Optimization

-32%

Potential reduce by 17.8 kB

  • Original 56.1 kB
  • After minification 38.4 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, Dvs Karlsruhe needs image optimization as it can save up to 17.8 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-46%

Potential reduce by 99.1 kB

  • Original 215.6 kB
  • After minification 214.5 kB
  • After compression 116.5 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 99.1 kB or 46% of the original size.

CSS Optimization

-84%

Potential reduce by 424.9 kB

  • Original 508.7 kB
  • After minification 508.2 kB
  • After compression 83.8 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. Dvs-karlsruhe.de needs all CSS files to be minified and compressed as it can save up to 424.9 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (72%)

Requests Now

32

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dvs Karlsruhe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dvs-karlsruhe.de

dvs-karlsruhe.de

625 ms

bootstrap.min.css

bootstrap.min.css

592 ms

user.css

user.css

241 ms

adsbygoogle.js

adsbygoogle.js

262 ms

js

js

580 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

201 ms

cse.js

cse.js

588 ms

adsbygoogle.js

adsbygoogle.js

45 ms

player_api

player_api

259 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

778 ms

jquery.jcarousel.min.js

jquery.jcarousel.min.js

589 ms

videoplayer.js

videoplayer.js

579 ms

cookiechoices.js

cookiechoices.js

586 ms

show_ads_impl.js

show_ads_impl.js

288 ms

zrt_lookup.html

zrt_lookup.html

1057 ms

banner_728x90.jpg

banner_728x90.jpg

1255 ms

myoffertalogo.jpg

myoffertalogo.jpg

858 ms

rozdzielnik.jpg

rozdzielnik.jpg

856 ms

marek_walczak.jpg

marek_walczak.jpg

857 ms

cookie.js

cookie.js

614 ms

integrator.js

integrator.js

606 ms

ads

ads

252 ms

cse_element__de.js

cse_element__de.js

213 ms

default+de.css

default+de.css

434 ms

default.css

default.css

436 ms

integrator.js

integrator.js

68 ms

ads

ads

214 ms

www-widgetapi.js

www-widgetapi.js

199 ms

ajax.php

ajax.php

444 ms

get.php

get.php

324 ms

100 ms

www-player.css

www-player.css

73 ms

www-embed-player.js

www-embed-player.js

267 ms

base.js

base.js

602 ms

fetch-polyfill.js

fetch-polyfill.js

265 ms

id

id

115 ms

ad_status.js

ad_status.js

1084 ms

embed.js

embed.js

36 ms

Accessibility Review

dvs-karlsruhe.de accessibility score

78

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.

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

Image elements do not have [alt] attributes

Best Practices

dvs-karlsruhe.de best practices score

67

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

High

Page has valid source maps

SEO Factors

dvs-karlsruhe.de SEO score

89

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

dvs-karlsruhe.de

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