Tools & Wizards About Us
abendakademie-mannheim.de screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

abendakademie-mannheim.de

Startseite

Page Load Speed

5.3 sec in total

First Response

352 ms

Resources Loaded

4.1 sec

Page Rendered

897 ms

abendakademie-mannheim.de screenshot

About Website

Welcome to abendakademie-mannheim.de homepage info - get ready to check Abendakademie Mannheim best content for Germany right away, or after learning these important things about abendakademie-mannheim.de

Mannheimer Abendakademie und Volkshochschule GmbH

Visit abendakademie-mannheim.de

Key Findings

We analyzed Abendakademie-mannheim.de page load time and found that the first response time was 352 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

abendakademie-mannheim.de performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.3 s

0/100

25%

SI (Speed Index)

Value37.2 s

0/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.508

16/100

15%

TTI (Time to Interactive)

Value17.2 s

4/100

10%

Network Requests Diagram

abendakademie-mannheim.de

352 ms

www.abendakademie-mannheim.de

1155 ms

7015c8c4ac.css

211 ms

bootstrap.min.css

325 ms

font-awesome.min.css

321 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that all of those requests were addressed to Abendakademie-mannheim.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Abendakademie-mannheim.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 620.3 kB (9%)

Content Size

6.7 MB

After Optimization

6.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Abendakademie-mannheim.de main page is 6.7 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. 55% of websites need less resources to load. Images take 6.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 75.1 kB

  • Original 88.1 kB
  • After minification 83.0 kB
  • After compression 13.0 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. 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 75.1 kB or 85% of the original size.

Image Optimization

-8%

Potential reduce by 535.1 kB

  • Original 6.4 MB
  • After minification 5.8 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. Abendakademie Mannheim images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 4.6 kB

  • Original 178.0 kB
  • After minification 177.7 kB
  • After compression 173.5 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

-13%

Potential reduce by 5.5 kB

  • Original 40.8 kB
  • After minification 40.8 kB
  • After compression 35.3 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. Abendakademie-mannheim.de needs all CSS files to be minified and compressed as it can save up to 5.5 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (22%)

Requests Now

67

After Optimization

52

  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Abendakademie Mannheim. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

abendakademie-mannheim.de

abendakademie-mannheim.de

352 ms

www.abendakademie-mannheim.de

www.abendakademie-mannheim.de

1155 ms

7015c8c4ac.css

7015c8c4ac.css

211 ms

bootstrap.min.css

bootstrap.min.css

325 ms

font-awesome.min.css

font-awesome.min.css

321 ms

style.css

style.css

428 ms

jquery-1.12.4.min.js

jquery-1.12.4.min.js

434 ms

base64.js

base64.js

320 ms

knockout-min.js

knockout-min.js

446 ms

knockout.mapping-latest.debug.js

knockout.mapping-latest.debug.js

431 ms

anmeldung.js

anmeldung.js

432 ms

functions.js

functions.js

432 ms

layout.js

layout.js

534 ms

bootstrap.min.js

bootstrap.min.js

537 ms

bootstrap-datepicker.min.js

bootstrap-datepicker.min.js

541 ms

responsiveslides.min.js

responsiveslides.min.js

540 ms

rslidescall.js

rslidescall.js

540 ms

config.js

config.js

557 ms

klaro.js

klaro.js

755 ms

logo.png

logo.png

172 ms

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279 ms

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174 ms

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280 ms

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858 ms

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384 ms

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386 ms

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387 ms

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387 ms

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390 ms

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705 ms

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703 ms

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601 ms

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600 ms

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814 ms

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919 ms

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709 ms

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813 ms

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814 ms

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817 ms

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923 ms

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921 ms

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1132 ms

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924 ms

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1187 ms

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1238 ms

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1030 ms

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1011 ms

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972 ms

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1076 ms

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1083 ms

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1074 ms

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1373 ms

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1166 ms

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1083 ms

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1081 ms

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1244 ms

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1175 ms

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1080 ms

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1012 ms

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983 ms

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1085 ms

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1087 ms

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960 ms

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975 ms

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876 ms

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877 ms

youtube.png

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923 ms

insta.png

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853 ms

kuferlogo.png

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853 ms

Accessibility Review

abendakademie-mannheim.de accessibility score

84

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

abendakademie-mannheim.de best practices score

75

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

SEO Factors

abendakademie-mannheim.de SEO score

85

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

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 Abendakademie-mannheim.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 Abendakademie-mannheim.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

abendakademie-mannheim.de

Open Graph description is not detected on the main page of Abendakademie Mannheim. 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: