6.2 sec in total
2.1 sec
3.9 sec
197 ms
Welcome to sokokoeln.zdf.de homepage info - get ready to check SOKO Koeln Zdf best content for Germany right away, or after learning these important things about sokokoeln.zdf.de
Mit Witz und hartem Einsatz: Die Fälle bringen das Team vom kölschen Klüngel bis zu den Reihenhaussiedlungen am Stadtrand in vielfältige Milieus.
Visit sokokoeln.zdf.deWe analyzed Sokokoeln.zdf.de page load time and found that the first response time was 2.1 sec and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
sokokoeln.zdf.de performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value12.3 s
0/100
25%
Value8.1 s
21/100
10%
Value810 ms
36/100
30%
Value0
100/100
15%
Value11.1 s
20/100
10%
2089 ms
77 ms
23 ms
25 ms
25 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Sokokoeln.zdf.de, 3% (3 requests) were made to Epg-image.zdf.de and 2% (2 requests) were made to De.ioam.de. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Zdf.de.
Page size can be reduced by 334.6 kB (50%)
664.8 kB
330.2 kB
In fact, the total size of Sokokoeln.zdf.de main page is 664.8 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. 65% of websites need less resources to load. Javascripts take 343.0 kB which makes up the majority of the site volume.
Potential reduce by 50.2 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 50.2 kB or 82% of the original size.
Potential reduce by 12.6 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. SOKO Koeln Zdf images are well optimized though.
Potential reduce by 270.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 270.2 kB or 79% of the original size.
Potential reduce by 1.6 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. Sokokoeln.zdf.de needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 64% of the original size.
Number of requests can be reduced by 28 (50%)
56
28
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SOKO Koeln Zdf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for CSS and as a result speed up the page load time.
soko-koeln-5990738.html
2089 ms
zdfplayer.min.css
77 ms
jquery.fancybox-1.3.4.css
23 ms
jquery.jscrollpane.css
25 ms
socialshareprivacy.css
25 ms
zdf-sb.css
25 ms
contenttest.css
27 ms
zdf-sb-ebene-own.css
31 ms
footer_miniepg.css
43 ms
header.css
34 ms
jquery.ui.autocomplete-1.8.13.css
39 ms
jquery-ui-1.8.12.custom.css
51 ms
zdf-global-own.css
40 ms
merkliste.css
52 ms
zdf-spec-own.css
52 ms
notfound.css
53 ms
jquery.zdfsport_bildgalerie.css
54 ms
widget.css
54 ms
zdf-global.css
61 ms
zdf-sb-ebene.css
55 ms
liquid.css
58 ms
modernizr-1.6.min.js
59 ms
jquery-1.6.2.min.js
88 ms
jquery.easing.1.3.js
55 ms
zdf_beitrag.js
56 ms
zdf_miniepg.js
84 ms
jquery.countdown1.5.2.min.js
59 ms
zdf_sendungenaz_own.js
84 ms
zdf_dummy.js
82 ms
jquery.init.js
102 ms
app.dev.js
102 ms
frontend_own.js
103 ms
zdfplayer.min.js
108 ms
jquery.touchwipe.min.js
104 ms
jquery.placeheld.js
103 ms
zdfplayerinitializer.js
104 ms
iam.js
257 ms
jquery.fancybox-1.3.4.js
102 ms
jquery.scrollpane.js
99 ms
smarttag.js
99 ms
jquery.socialshareprivacy.js
97 ms
jquery-ui-1.8.13.custom.min.js
94 ms
merkliste.js
91 ms
jquery.zdfsport_bildgalerie.js
85 ms
ajax_link.js
83 ms
zdf_sb.js
82 ms
zdf_epg.js
165 ms
iscroll.js
163 ms
zdf_sb_ebene.js
167 ms
script.js
183 ms
jquery.url.js
183 ms
zdf_beitrag_own.js
183 ms
jquery.ui.autocomplete-1.8.13.js
183 ms
jquery.ui.core-1.8.13.js
180 ms
jquery.ui.position-1.8.13.js
180 ms
jquery.ui.widget-1.8.13.js
179 ms
jquery.countdown-de.js
191 ms
playercontrol.js
192 ms
swfobject.min.js
192 ms
common.js
190 ms
atinternetinitializer.js
167 ms
83ce8f57-876c-409c-99b7-29ea7bc22388
901 ms
data.png
57 ms
data.png
57 ms
data.png
59 ms
data.png
60 ms
data.jpg
59 ms
data.png
126 ms
13008288
405 ms
data.png
59 ms
data.jpg
155 ms
data.png
60 ms
data.png
61 ms
data.png
61 ms
data.png
62 ms
data.jpg
137 ms
data.png
63 ms
data.png
61 ms
data.png
63 ms
data.jpg
220 ms
data.jpg
235 ms
data.gif
125 ms
tx.io
191 ms
tx.io
95 ms
d3cc9d
214 ms
hit.xiti
524 ms
date
101 ms
data.gif
18 ms
data.png
7 ms
data.png
8 ms
data.png
9 ms
d3cc9d
163 ms
data.png
3 ms
6b6b7e8c-c2b1-4c23-8186-4bfc52f03774
91 ms
data.png
3 ms
16ff3523-6599-4b37-8a3e-506d02d2624b
149 ms
sokokoeln.zdf.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.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
sokokoeln.zdf.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
sokokoeln.zdf.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 Sokokoeln.zdf.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 Sokokoeln.zdf.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.
sokokoeln.zdf.de
Open Graph description is not detected on the main page of SOKO Koeln Zdf. 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: