Report Summary

  • 38

    Performance

    Renders faster than
    59% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

tc-blutenburg.de

Tennisclub Blutenburg e.V. – Ihr Tennisclub im Münchner Westen

Page Load Speed

10.5 sec in total

First Response

2.8 sec

Resources Loaded

7.3 sec

Page Rendered

387 ms

tc-blutenburg.de screenshot

About Website

Click here to check amazing Tc Blutenburg content. Otherwise, check out these important facts you probably never knew about tc-blutenburg.de

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Key Findings

We analyzed Tc-blutenburg.de page load time and found that the first response time was 2.8 sec and then it took 7.7 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

tc-blutenburg.de performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value17.3 s

0/100

10%

TBT (Total Blocking Time)

Value240 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.171

70/100

15%

TTI (Time to Interactive)

Value12.4 s

15/100

10%

Network Requests Diagram

www.tc-blutenburg.de

2772 ms

autoptimize_e3442d2d51aec3468ac6701d9f8681ef.css

420 ms

autoptimize_55e2ae56fce327a71a6141e28db84e78.css

214 ms

css

24 ms

jquery.js

525 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 53% of them (33 requests) were addressed to the original Tc-blutenburg.de, 16% (10 requests) were made to Static.xx.fbcdn.net and 11% (7 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Tc-blutenburg.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 442.4 kB (53%)

Content Size

831.3 kB

After Optimization

388.9 kB

In fact, the total size of Tc-blutenburg.de main page is 831.3 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. 50% of websites need less resources to load. CSS take 260.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 44.5 kB

  • Original 57.6 kB
  • After minification 57.6 kB
  • After compression 13.1 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 44.5 kB or 77% of the original size.

Image Optimization

-8%

Potential reduce by 20.2 kB

  • Original 257.3 kB
  • After minification 237.1 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. Tc Blutenburg images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 170.4 kB

  • Original 256.1 kB
  • After minification 249.6 kB
  • After compression 85.7 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 170.4 kB or 67% of the original size.

CSS Optimization

-80%

Potential reduce by 207.4 kB

  • Original 260.2 kB
  • After minification 259.9 kB
  • After compression 52.8 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. Tc-blutenburg.de needs all CSS files to be minified and compressed as it can save up to 207.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (45%)

Requests Now

56

After Optimization

31

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tc Blutenburg. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tc-blutenburg.de accessibility score

93

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

Links do not have a discernible name

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

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

Best Practices

tc-blutenburg.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

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

tc-blutenburg.de SEO score

82

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 Tc-blutenburg.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 Tc-blutenburg.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 Tc Blutenburg. 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: