Tools & Wizards About Us
python-kurs.eu screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    84% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

python-kurs.eu

Python-Kurs: Online Python-Kurse und Tutorial

Page Load Speed

2.8 sec in total

First Response

503 ms

Resources Loaded

1.7 sec

Page Rendered

527 ms

python-kurs.eu screenshot

About Website

Welcome to python-kurs.eu homepage info - get ready to check Python Kurs best content for Germany right away, or after learning these important things about python-kurs.eu

Python-Kurs ist ein Online-Kurs (Anfänger und Fortgeschrittene). Über Bodenseo als Inhouse oder offene Kurse buchbar.

Visit python-kurs.eu

Key Findings

We analyzed Python-kurs.eu page load time and found that the first response time was 503 ms and then it took 2.3 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

python-kurs.eu performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.193

64/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

python-kurs.eu

503 ms

python-kurs.eu

493 ms

combined_jupyter_moderna.css

191 ms

btn_donateCC_LG.gif

18 ms

python_head.jpg

300 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 82% of them (14 requests) were addressed to the original Python-kurs.eu, 12% (2 requests) were made to Paypalobjects.com and 6% (1 request) were made to 0. The less responsive or slowest element that took the longest time to load (688 ms) belongs to the original domain Python-kurs.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.8 kB (11%)

Content Size

305.6 kB

After Optimization

272.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Python-kurs.eu main page is 305.6 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. Javascripts take 173.8 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 28.4 kB

  • Original 40.7 kB
  • After minification 39.0 kB
  • After compression 12.3 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 28.4 kB or 70% of the original size.

Image Optimization

-5%

Potential reduce by 4.0 kB

  • Original 75.1 kB
  • After minification 71.1 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. Python Kurs images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 24 B

  • Original 173.8 kB
  • After minification 173.8 kB
  • After compression 173.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 389 B

  • Original 16.0 kB
  • After minification 16.0 kB
  • After compression 15.7 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. Python-kurs.eu has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Python Kurs. According to our analytics all requests are already optimized.

Network Requests Diagram

python-kurs.eu

python-kurs.eu

503 ms

python-kurs.eu

python-kurs.eu

493 ms

combined_jupyter_moderna.css

combined_jupyter_moderna.css

191 ms

btn_donateCC_LG.gif

btn_donateCC_LG.gif

18 ms

python_head.jpg

python_head.jpg

300 ms

python_buch.webp

python_buch.webp

302 ms

numerisches_python_buch.webp

numerisches_python_buch.webp

397 ms

python-kurse-bodenseo.gif

python-kurse-bodenseo.gif

303 ms

python-logo.png

python-logo.png

304 ms

radolfzell_segel_bodenseo_logo.jpg

radolfzell_segel_bodenseo_logo.jpg

303 ms

gooderham_building_toronto.jpg

gooderham_building_toronto.jpg

395 ms

tex-chtml.js

tex-chtml.js

688 ms

startup.js

startup.js

396 ms

python-kurse.png

python-kurse.png

490 ms

pixel.gif

pixel.gif

3 ms

image03.jpg

image03.jpg

38 ms

moderna_print.css

moderna_print.css

97 ms

Accessibility Review

python-kurs.eu accessibility score

75

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

[id] attributes on active, focusable elements are not unique

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

Form elements do not have associated labels

Best Practices

python-kurs.eu best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

python-kurs.eu SEO score

94

Search Engine Optimization Advices

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Python-kurs.eu 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 Python-kurs.eu 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

python-kurs.eu

Open Graph description is not detected on the main page of Python Kurs. 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: