Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

karlsruher-fv.de

Karlsruher FV e.V. (KFV) - Traditionsverein aus der Residenzstadt

Page Load Speed

1.8 sec in total

First Response

365 ms

Resources Loaded

1.2 sec

Page Rendered

220 ms

karlsruher-fv.de screenshot

About Website

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Key Findings

We analyzed Karlsruher-fv.de page load time and found that the first response time was 365 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

karlsruher-fv.de performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value18.0 s

0/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value25.8 s

0/100

10%

Network Requests Diagram

karlsruher-fv.de

365 ms

style.css

195 ms

nedfu-1%20(6).jpg

708 ms

pastries.jpg

708 ms

fruits.jpg

720 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Karlsruher-fv.de and no external sources were called. The less responsive or slowest element that took the longest time to load (720 ms) belongs to the original domain Karlsruher-fv.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.1 kB (4%)

Content Size

486.5 kB

After Optimization

469.4 kB

In fact, the total size of Karlsruher-fv.de main page is 486.5 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. 15% of websites need less resources to load. Images take 477.3 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 1.4 kB

  • Original 2.1 kB
  • After minification 1.8 kB
  • After compression 778 B

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 353 B, which is 17% 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 1.4 kB or 63% of the original size.

Image Optimization

-2%

Potential reduce by 10.1 kB

  • Original 477.3 kB
  • After minification 467.1 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. Karlsruher FV images are well optimized though.

CSS Optimization

-79%

Potential reduce by 5.6 kB

  • Original 7.1 kB
  • After minification 6.0 kB
  • After compression 1.5 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. Karlsruher-fv.de needs all CSS files to be minified and compressed as it can save up to 5.6 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Karlsruher FV. According to our analytics all requests are already optimized.

Accessibility Review

karlsruher-fv.de accessibility score

91

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

karlsruher-fv.de best practices score

75

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

karlsruher-fv.de SEO score

86

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

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 Karlsruher-fv.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 Karlsruher-fv.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 Karlsruher FV. 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: