Tools & Wizards About Us
nicolas-kiefer.com screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

nicolas-kiefer.com

Nicolas Kiefer

Page Load Speed

2.5 sec in total

First Response

345 ms

Resources Loaded

1.9 sec

Page Rendered

304 ms

nicolas-kiefer.com screenshot

About Website

Click here to check amazing Nicolas Kiefer content. Otherwise, check out these important facts you probably never knew about nicolas-kiefer.com

Offizielle Seite von Nicolas Kiefer

Visit nicolas-kiefer.com

Key Findings

We analyzed Nicolas-kiefer.com page load time and found that the first response time was 345 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

nicolas-kiefer.com performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

62/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.15

76/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

nicolas-kiefer.com

345 ms

www.nicolas-kiefer.de

338 ms

jquery.min.js

282 ms

jquery-noconflict.js

184 ms

jquery-migrate.min.js

186 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Nicolas-kiefer.com, 88% (37 requests) were made to Nicolas-kiefer.de and 7% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (641 ms) relates to the external source Nicolas-kiefer.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 344.9 kB (47%)

Content Size

731.1 kB

After Optimization

386.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nicolas-kiefer.com main page is 731.1 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. 35% of websites need less resources to load. Images take 314.0 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 9.5 kB

  • Original 12.7 kB
  • After minification 12.3 kB
  • After compression 3.2 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 9.5 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 14.4 kB

  • Original 314.0 kB
  • After minification 299.7 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. Nicolas Kiefer images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 139.0 kB

  • Original 200.4 kB
  • After minification 200.0 kB
  • After compression 61.4 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 139.0 kB or 69% of the original size.

CSS Optimization

-89%

Potential reduce by 181.9 kB

  • Original 204.0 kB
  • After minification 116.1 kB
  • After compression 22.1 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. Nicolas-kiefer.com needs all CSS files to be minified and compressed as it can save up to 181.9 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (35%)

Requests Now

37

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nicolas Kiefer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nicolas-kiefer.com

nicolas-kiefer.com

345 ms

www.nicolas-kiefer.de

www.nicolas-kiefer.de

338 ms

jquery.min.js

jquery.min.js

282 ms

jquery-noconflict.js

jquery-noconflict.js

184 ms

jquery-migrate.min.js

jquery-migrate.min.js

186 ms

sige.css

sige.css

189 ms

lytebox.js

lytebox.js

301 ms

lytebox.css

lytebox.css

191 ms

theme.css

theme.css

641 ms

custom.css

custom.css

276 ms

uikit.js

uikit.js

469 ms

autocomplete.js

autocomplete.js

302 ms

search.js

search.js

366 ms

tooltip.js

tooltip.js

371 ms

social.js

social.js

373 ms

theme.js

theme.js

382 ms

css

css

62 ms

bg_body.jpg

bg_body.jpg

96 ms

Header_Nicolas-Kiefer.jpg

Header_Nicolas-Kiefer.jpg

94 ms

ntv_tennisbase_logo.png

ntv_tennisbase_logo.png

98 ms

shadowAlpha.png

shadowAlpha.png

96 ms

01kiefer_macher_03.jpg

01kiefer_macher_03.jpg

97 ms

02kiefer_macher_08.jpg

02kiefer_macher_08.jpg

94 ms

03kiefer_macher_09.jpg

03kiefer_macher_09.jpg

130 ms

04kiefer_macher_11.jpg

04kiefer_macher_11.jpg

185 ms

070611_gwo_23.jpg

070611_gwo_23.jpg

185 ms

070611_gwo_30.jpg

070611_gwo_30.jpg

188 ms

530%20nicolas%20kiefer_perenyi.jpg

530%20nicolas%20kiefer_perenyi.jpg

189 ms

532%20nicolas%20kiefer_perenyi.jpg

532%20nicolas%20kiefer_perenyi.jpg

190 ms

kiefer%20-%20stepanek.jpg

kiefer%20-%20stepanek.jpg

220 ms

paris9-m-1158.jpg

paris9-m-1158.jpg

275 ms

paris9-m-1160.jpg

paris9-m-1160.jpg

275 ms

zolympia%20frust2.jpg

zolympia%20frust2.jpg

282 ms

tennis-comeback.jpg

tennis-comeback.jpg

282 ms

octagon.jpg

octagon.jpg

380 ms

wilson.jpg

wilson.jpg

405 ms

sat1_logo.png

sat1_logo.png

366 ms

ios-logo.png

ios-logo.png

366 ms

logo_s2b.png

logo_s2b.png

374 ms

cJZKeOuBrn4kERxqtaUH3SZ2oysoEQEeKwjgmXLRnTc.ttf

cJZKeOuBrn4kERxqtaUH3SZ2oysoEQEeKwjgmXLRnTc.ttf

28 ms

DXI1ORHCpsQm3Vp6mXoaTZS3E-kSBmtLoNJPDtbj2Pk.ttf

DXI1ORHCpsQm3Vp6mXoaTZS3E-kSBmtLoNJPDtbj2Pk.ttf

31 ms

MTP_ySUJH_bn48VBG8sNSpS3E-kSBmtLoNJPDtbj2Pk.ttf

MTP_ySUJH_bn48VBG8sNSpS3E-kSBmtLoNJPDtbj2Pk.ttf

42 ms

Accessibility Review

nicolas-kiefer.com accessibility score

68

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

nicolas-kiefer.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

nicolas-kiefer.com SEO score

92

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

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 Nicolas-kiefer.com 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 Nicolas-kiefer.com 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

nicolas-kiefer.com

Open Graph description is not detected on the main page of Nicolas Kiefer. 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: