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name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value640 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.212

59/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

zmk-aktuell.de

284 ms

startseite.html

812 ms

stylesheet_790f21cb74.css

183 ms

javascript_dd82474708.js

185 ms

app.css

827 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 72% of them (42 requests) were addressed to the original Zmk-aktuell.de, 10% (6 requests) were made to Spitta.de and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (837 ms) belongs to the original domain Zmk-aktuell.de.

Content Size

1.2 MB

After Optimization

512.6 kB

In fact, the total size of Zmk-aktuell.de main page is 1.2 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. 35% of websites need less resources to load. CSS take 480.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 50.4 kB

Original 63.4 kB
After minification 56.0 kB
After compression 12.9 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 7.4 kB, which is 12% 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 50.4 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 21.1 kB

Original 380.2 kB
After minification 359.1 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. ZMK Aktuell images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 206.7 kB

Original 316.1 kB
After minification 304.5 kB
After compression 109.4 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 206.7 kB or 65% of the original size.

CSS Optimization

-94%

Potential reduce by 449.4 kB

Original 480.5 kB
After minification 240.0 kB
After compression 31.0 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. Zmk-aktuell.de needs all CSS files to be minified and compressed as it can save up to 449.4 kB or 94% of the original size.

Requests Now

After Optimization

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZMK Aktuell. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

DE
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zmk-aktuell.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Zmk-aktuell.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

zmk-aktuell.de

Open Graph description is not detected on the main page of ZMK Aktuell. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Startseite | ZMK-aktuell.de | Zahnmedizinisches Fachwissen und Informationen aus der Dentalbranche für den Zahnarzt

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

zmk-aktuell.de

startseite.html

stylesheet_790f21cb74.css

javascript_dd82474708.js

app.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

zmk-aktuell.de

startseite.html

stylesheet_790f21cb74.css

javascript_dd82474708.js

app.css

modernizr.js

jquery.js

foundation.min.js

app.js

navi.js

facebook.js

banner.js

jsbn.js

prng4.js

rng.js

rsa.js

base64.js

FrontendLoginFormRsaEncryption.min.js

asyncjs.php

css

ga.js

piwik.js

__utm.gif

sdk.js

logo.jpg

lupe.jpg

button_login.jpg

newsletter_new.png

button-home.png

csm_Abb.00_7e4441_a2d835c755.jpg

csm_Logo_03_579b072212.png

csm_b56c6b4ae488dcee_org_klein_8c600c2acf.jpg

csm_Logo_01_29a57da08a.png

csm_Prof_Sader_IFED-Meeting_Quelle_privat_18e02c70b1.jpg

csm_1057_bild_hospitalschiff_africa_mercy_klein_06d7f1d464.jpg

csm_Logo_12_ab80ab5869.jpg

csm_Abb.-1_37_f6c00d923d.jpg

692495_web_R_B_by_Tim_Reckmann_pixelio.de_klein_01.jpg

Dentista-eV-Logo_RGB_klein.jpg

banner_job.jpg

csm_Abb.00_595a44_115153daf6.jpg

logo-spitta.png

callback.png