4.5 sec in total
306 ms
4.1 sec
56 ms
Visit zm-online.de now to see the best up-to-date Zm Online content for Germany and also check out these interesting facts you probably never knew about zm-online.de
Visit zm-online.deWe analyzed Zm-online.de page load time and found that the first response time was 306 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
zm-online.de performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value9.1 s
1/100
25%
Value6.6 s
37/100
10%
Value940 ms
29/100
30%
Value0.158
73/100
15%
Value10.9 s
21/100
10%
306 ms
374 ms
1889 ms
273 ms
279 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 44% of them (26 requests) were addressed to the original Zm-online.de, 19% (11 requests) were made to Sp-consent.zm-online.de and 10% (6 requests) were made to . The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Zm-online.de.
Page size can be reduced by 318.8 kB (40%)
801.8 kB
482.9 kB
In fact, the total size of Zm-online.de main page is 801.8 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 417.4 kB which makes up the majority of the site volume.
Potential reduce by 312.8 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 312.8 kB or 85% of the original size.
Potential reduce by 2.8 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. Obviously, Zm Online needs image optimization as it can save up to 2.8 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 3.2 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.
Potential reduce by 55 B
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. Zm-online.de has all CSS files already compressed.
Number of requests can be reduced by 25 (66%)
38
13
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zm Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
zm-online.de
306 ms
zm-online.de
374 ms
www.zm-online.de
1889 ms
all.css
273 ms
font-icons.css
279 ms
merged-24e7175f5a1438cfc4ef8ab82d82fc6f-b6edfd8dc9ee4bf2c37cd8bed81df44a.css
466 ms
merged-1632e7e037014463f9b0610bfc03ac37-78b47fb0faf0e02c8c734a89b253a403.js
376 ms
wrapperMessagingWithoutDetection.js
159 ms
js
57 ms
gpt.js
93 ms
iam.js
438 ms
api.js
34 ms
merged-8c8c06c7621c4d78c6963ac3426fbc04-7bcdb97ac1939e3407a70f720765c34a.js
198 ms
merged-cb9d855902d6afbf82cb914935be58de-9be11723582f7af189969e6100870f75.js
188 ms
Form.min-3d1ab9bb223af09ce5e5d4ad0de1e6fa.js
279 ms
lns_gadgets_slider.js
278 ms
multiselect.js
279 ms
lns_gadgets_accordion.js
432 ms
gtm.js
112 ms
,
100 ms
logo.png
105 ms
gdpr-tcf.326dc0fcac2e9cce1493.bundle.js
76 ms
get_site_data
76 ms
pubads_impl.js
156 ms
ppub_config
281 ms
meta-data
150 ms
,
57 ms
js
213 ms
GraphikRegular.otf
182 ms
GraphikLight.otf
250 ms
GraphikSemibold.otf
250 ms
GraphikBold.otf
250 ms
font-icons.woff
507 ms
fa-solid-900.woff
434 ms
fa-regular-400.woff
251 ms
messages
126 ms
,
119 ms
GraphikLightItalic.otf
409 ms
GraphikRegularItalic.otf
286 ms
GraphikSemiboldItalic.otf
409 ms
GraphikBoldItalic.otf
409 ms
pv-data
145 ms
,
55 ms
analytics.js
28 ms
,
18 ms
pv-data
286 ms
,
35 ms
collect
46 ms
recaptcha__en.js
100 ms
index.html
85 ms
fa-brands-400.woff
201 ms
polyfills.b0798.js
55 ms
Notice.0575a.js
57 ms
Notice.c6498.css
55 ms
fallback
22 ms
fallback__ltr.css
4 ms
css
33 ms
logo_48.png
3 ms
font
18 ms
zm-online.de accessibility score
ARIA
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.
Impact
Issue
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
Links do not have a discernible name
zm-online.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
zm-online.de SEO score
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
Document uses legible font sizes
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zm-online.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 Zm-online.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.
zm-online.de
Open Graph description is not detected on the main page of Zm Online. 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: