Tools & Wizards About Us
10is.de screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

10is.de

Die Tennis- und Skischule für Grenzach-Wyhlen, Basel und Umgebung

Page Load Speed

3 sec in total

First Response

383 ms

Resources Loaded

2.5 sec

Page Rendered

116 ms

10is.de screenshot

About Website

Click here to check amazing 10 Is content. Otherwise, check out these important facts you probably never knew about 10is.de

Informationen über das Programm und Aktionen der Tennisschule Stabbauer, sowie der Zwergerl Skischule. Tennis- und Skiunterricht in vielen Variationen.

Visit 10is.de

Key Findings

We analyzed 10is.de page load time and found that the first response time was 383 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

10is.de performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

10is.de

383 ms

xr_fonts.css

119 ms

menu.js

213 ms

highslide.css

327 ms

highslide.js

482 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that all of those requests were addressed to 10is.de and no external sources were called. The less responsive or slowest element that took the longest time to load (982 ms) belongs to the original domain 10is.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 360.4 kB (29%)

Content Size

1.2 MB

After Optimization

867.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 10is.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. 20% of websites need less resources to load. Images take 843.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 34.8 kB

  • Original 40.9 kB
  • After minification 40.5 kB
  • After compression 6.1 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 34.8 kB or 85% of the original size.

Image Optimization

-8%

Potential reduce by 70.4 kB

  • Original 843.1 kB
  • After minification 772.6 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. 10 Is images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 200.4 kB

  • Original 283.6 kB
  • After minification 270.9 kB
  • After compression 83.2 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 200.4 kB or 71% of the original size.

CSS Optimization

-90%

Potential reduce by 54.8 kB

  • Original 60.8 kB
  • After minification 50.6 kB
  • After compression 5.9 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. 10is.de needs all CSS files to be minified and compressed as it can save up to 54.8 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (51%)

Requests Now

57

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 10 Is. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

10is.de

10is.de

383 ms

xr_fonts.css

xr_fonts.css

119 ms

menu.js

menu.js

213 ms

highslide.css

highslide.css

327 ms

highslide.js

highslide.js

482 ms

xr_main.css

xr_main.css

221 ms

xr_text.css

xr_text.css

339 ms

custom_styles.css

custom_styles.css

228 ms

roe.js

roe.js

438 ms

prs4.js

prs4.js

625 ms

xr_all.css

xr_all.css

632 ms

jquery.js

jquery.js

810 ms

datamap.js

datamap.js

660 ms

jquery.cycle.min.js

jquery.cycle.min.js

641 ms

cycleFade_config.js

cycleFade_config.js

624 ms

cycle_fade.css

cycle_fade.css

952 ms

jquery.cycle.all.js

jquery.cycle.all.js

820 ms

bx_cyclescircle_config.js

bx_cyclescircle_config.js

778 ms

1.js

1.js

959 ms

2.js

2.js

970 ms

3.js

3.js

979 ms

4.js

4.js

982 ms

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235 ms

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276 ms

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271 ms

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311 ms

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327 ms

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538 ms

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423 ms

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384 ms

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400 ms

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421 ms

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430 ms

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488 ms

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517 ms

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530 ms

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534 ms

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535 ms

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592 ms

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36616.png

672 ms

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210 ms

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238 ms

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147 ms

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202 ms

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195 ms

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159 ms

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291 ms

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377 ms

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468 ms

12369.jpg

12369.jpg

468 ms

Accessibility Review

10is.de accessibility score

80

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

10is.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

10is.de SEO score

87

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

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 10is.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 10is.de main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

10is.de

Open Graph description is not detected on the main page of 10 Is. 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: