Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

kvv.de

KVV - Karlsruher Verkehrsverbund - Bahn und Bus - Startseite

Page Load Speed

4.3 sec in total

First Response

485 ms

Resources Loaded

3.6 sec

Page Rendered

202 ms

kvv.de screenshot

About Website

Visit kvv.de now to see the best up-to-date KVV content for Germany and also check out these interesting facts you probably never knew about kvv.de

Bereit für Deinen Weg. Als drittgrößter Verkehrsverbund in Baden-Württemberg befördert der KVV jährlich über 170 Millionen Fahrgäste.

Visit kvv.de

Key Findings

We analyzed Kvv.de page load time and found that the first response time was 485 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

kvv.de performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

kvv.de

485 ms

www.kvv.de

1111 ms

jquery.fancybox-1.3.4.css

91 ms

stylesheet_74503996df.css

182 ms

style.css

183 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 98% of them (86 requests) were addressed to the original Kvv.de, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Kvv.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 763.0 kB (62%)

Content Size

1.2 MB

After Optimization

464.3 kB

In fact, the total size of Kvv.de main page is 1.2 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. 50% of websites need less resources to load. Javascripts take 642.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 44.8 kB

  • Original 57.4 kB
  • After minification 51.0 kB
  • After compression 12.6 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 6.4 kB, which is 11% 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 44.8 kB or 78% of the original size.

Image Optimization

-12%

Potential reduce by 37.3 kB

  • Original 299.6 kB
  • After minification 262.3 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, KVV needs image optimization as it can save up to 37.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-76%

Potential reduce by 489.3 kB

  • Original 642.9 kB
  • After minification 548.9 kB
  • After compression 153.6 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 489.3 kB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 191.5 kB

  • Original 227.4 kB
  • After minification 194.2 kB
  • After compression 35.9 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. Kvv.de needs all CSS files to be minified and compressed as it can save up to 191.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (55%)

Requests Now

86

After Optimization

39

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KVV. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kvv.de accessibility score

85

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 input fields do not have accessible names

High

[role] values are not valid

High

[aria-*] attributes do not have valid values

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

kvv.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

kvv.de SEO score

75

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 Kvv.de 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 Kvv.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 KVV. 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: