2.3 sec in total
311 ms
1.6 sec
359 ms
Visit zfz.de now to see the best up-to-date Zfz content and also check out these interesting facts you probably never knew about zfz.de
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Visit zfz.deWe analyzed Zfz.de page load time and found that the first response time was 311 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
zfz.de performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value5.2 s
24/100
25%
Value5.9 s
48/100
10%
Value1,390 ms
16/100
30%
Value0.012
100/100
15%
Value6.5 s
59/100
10%
311 ms
293 ms
9 ms
96 ms
191 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that 67% of them (18 requests) were addressed to the original Zfz.de, 7% (2 requests) were made to Facebook.com and 7% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (940 ms) belongs to the original domain Zfz.de.
Page size can be reduced by 160.2 kB (29%)
558.8 kB
398.6 kB
In fact, the total size of Zfz.de main page is 558.8 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. 20% of websites need less resources to load. Images take 503.0 kB which makes up the majority of the site volume.
Potential reduce by 19.1 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 19.1 kB or 72% of the original size.
Potential reduce by 131.7 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, Zfz needs image optimization as it can save up to 131.7 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 34 B
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 9.5 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. Zfz.de needs all CSS files to be minified and compressed as it can save up to 9.5 kB or 78% of the original size.
Number of requests can be reduced by 7 (28%)
25
18
The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zfz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
zfz.de
311 ms
www.zfz.de
293 ms
sdk.js
9 ms
css.css
96 ms
niederlande.gif
191 ms
stempel3.gif
282 ms
logo.png
284 ms
stempel.png
940 ms
neuanim.gif
193 ms
tn_Osseotite.jpg
191 ms
tn_implantataufbau.jpg
285 ms
bt_fragen.gif
286 ms
107 ms
xd_arbiter.php
43 ms
xd_arbiter.php
50 ms
ga.js
48 ms
header2.jpg
425 ms
nav-active.jpg
235 ms
divide.gif
236 ms
bgh2.jpg
238 ms
bullet.jpg
240 ms
trenner.jpg
329 ms
__utm.gif
13 ms
like.php
75 ms
qeKvIRsJabD.js
33 ms
LVx-xkvaJ0b.png
18 ms
druck.css
97 ms
zfz.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
zfz.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
zfz.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
EN
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zfz.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Zfz.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.
zfz.de
Open Graph description is not detected on the main page of Zfz. 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: