Tools & Wizards About Us
n-k.de screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

n-k.de

Niko Köbler – Keycloak Experte, Software-Architekt & Trainer

Page Load Speed

4.2 sec in total

First Response

266 ms

Resources Loaded

3.5 sec

Page Rendered

399 ms

n-k.de screenshot

About Website

Welcome to n-k.de homepage info - get ready to check N K best content right away, or after learning these important things about n-k.de

Niko Köbler IT-Beratung, Keycloak-Experte, Software-Architektur, Entwicklung, Training, Identity-Management & Authentifizierung, Keycloak, IAM, SSO, OpenID Connect, OIDC

Visit n-k.de

Key Findings

We analyzed N-k.de page load time and found that the first response time was 266 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

n-k.de performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

n-k.de

266 ms

n-k.de

525 ms

style.css

506 ms

bootstrap-icons.css

488 ms

nko_logo.png

401 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 82% of them (18 requests) were addressed to the original N-k.de, 9% (2 requests) were made to Keycloak-day.dev and 9% (2 requests) were made to Assets.calendly.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source Keycloak-day.dev.

Page Optimization Overview & Recommendations

Page size can be reduced by 757.5 kB (26%)

Content Size

2.9 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of N-k.de main page is 2.9 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 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 17.8 kB

  • Original 22.9 kB
  • After minification 19.4 kB
  • After compression 5.0 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 3.5 kB, which is 15% 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 17.8 kB or 78% of the original size.

Image Optimization

-14%

Potential reduce by 336.2 kB

  • Original 2.4 MB
  • After minification 2.1 MB

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, N K needs image optimization as it can save up to 336.2 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 124.5 kB

  • Original 180.9 kB
  • After minification 180.9 kB
  • After compression 56.4 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 124.5 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 278.9 kB

  • Original 325.3 kB
  • After minification 310.5 kB
  • After compression 46.3 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. N-k.de needs all CSS files to be minified and compressed as it can save up to 278.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (32%)

Requests Now

19

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of N K. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

n-k.de

n-k.de

266 ms

n-k.de

n-k.de

525 ms

style.css

style.css

506 ms

bootstrap-icons.css

bootstrap-icons.css

488 ms

nko_logo.png

nko_logo.png

401 ms

keycloak-dev-day-wallpaper.png

keycloak-dev-day-wallpaper.png

1682 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

472 ms

fslightbox.js

fslightbox.js

393 ms

script.js

script.js

314 ms

i18next.min.js

i18next.min.js

502 ms

i18nextBrowserLanguageDetector.min.js

i18nextBrowserLanguageDetector.min.js

471 ms

i18nextHttpBackend.min.js

i18nextHttpBackend.min.js

488 ms

widget.css

widget.css

147 ms

widget.js

widget.js

207 ms

logo_youtube.png

logo_youtube.png

491 ms

logo_jax.png

logo_jax.png

515 ms

logo_javaland.gif

logo_javaland.gif

523 ms

socreatory_logo_claim.svg

socreatory_logo_claim.svg

524 ms

lion.jpg

lion.jpg

777 ms

keycloak-dev-day-wallpaper.png

keycloak-dev-day-wallpaper.png

2702 ms

youtube_cover_background.jpg

youtube_cover_background.jpg

546 ms

bootstrap-icons.woff

bootstrap-icons.woff

328 ms

Accessibility Review

n-k.de accessibility score

79

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

n-k.de 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

General

Impact

Issue

High

Page has valid source maps

SEO Factors

n-k.de 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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise N-k.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 N-k.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

n-k.de

Open Graph data is detected on the main page of N K. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: