Access vhs.potsdam.de. Willkommen in der Volkshochschule Potsdam

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value870 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value21.7 s

1/100

10%

vhs.potsdam.de

1616 ms

style.min.css

227 ms

style-index.css

340 ms

style-index.css

346 ms

front-style.css

344 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 97% of them (75 requests) were addressed to the original Vhs.potsdam.de, 1% (1 request) were made to Google.com and 1% (1 request) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Vhs.potsdam.de.

Content Size

7.2 MB

After Optimization

6.2 MB

In fact, the total size of Vhs.potsdam.de main page is 7.2 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. 65% of websites need less resources to load. Images take 5.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 114.9 kB

Original 141.3 kB
After minification 131.8 kB
After compression 26.3 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 114.9 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 104.5 kB

Original 5.6 MB
After minification 5.5 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. Vhs Potsdam images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 797.6 kB

Original 1.3 MB
After minification 1.3 MB
After compression 549.6 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 797.6 kB or 59% of the original size.

CSS Optimization

-10%

Potential reduce by 7.6 kB

Original 73.5 kB
After minification 73.4 kB
After compression 65.8 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. Vhs.potsdam.de has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vhs Potsdam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These are opportunities to improve keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Vhs.potsdam.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 Vhs.potsdam.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

vhs.potsdam.de

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Willkommen in der Volkshochschule Potsdam

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

vhs.potsdam.de

style.min.css

style-index.css

style-index.css

front-style.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

vhs.potsdam.de

style.min.css

style-index.css

style-index.css

front-style.css

mobile.css

styles.css

font-awesome.min.css

bootstrap.min.css

jquery-ui.min.css

style.css

style.min.css

smartslider.min.css

jquery-3.6.0.min.js

jquery-ui.min.js

bootstrap.min.js

popper.min.js

nav.js

jquery.min.js

jquery-migrate.min.js

functions.js

scripts.js

jquery.blockUI.js

n2.min.js

smartslider-frontend.min.js

ss-simple.min.js

w-arrow-image.min.js

w-bullet.min.js

hooks.min.js

i18n.min.js

index.js

index.js

config.js

klaro.js

new-tab.js

app.min.js

api.js

wp-polyfill.min.js

index.js

layout.js

matomo.js

logo.png

leichte_sprache.png