4.1 sec in total
366 ms
3.5 sec
248 ms
Visit cityinfo-koeln.de now to see the best up-to-date Cityinfo Koeln content for Germany and also check out these interesting facts you probably never knew about cityinfo-koeln.de
Das große Stadtportal für Köln (Cologne). Finden Sie die besten Infos für Ihre Städtereise mit allen Highlights, vielen Insidertipps sowie Top-Hotels und Restaurants inkl. Koeln-News.
Visit cityinfo-koeln.deWe analyzed Cityinfo-koeln.de page load time and found that the first response time was 366 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
cityinfo-koeln.de performance score
name
value
score
weighting
Value4.8 s
11/100
10%
Value5.6 s
18/100
25%
Value6.0 s
46/100
10%
Value1,390 ms
16/100
30%
Value0.103
89/100
15%
Value10.1 s
26/100
10%
366 ms
553 ms
238 ms
17 ms
233 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 62% of them (45 requests) were addressed to the original Cityinfo-koeln.de, 10% (7 requests) were made to Pagead2.googlesyndication.com and 8% (6 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Cityinfo-koeln.de.
Page size can be reduced by 97.8 kB (18%)
535.8 kB
438.0 kB
In fact, the total size of Cityinfo-koeln.de main page is 535.8 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. 50% of websites need less resources to load. Images take 396.0 kB which makes up the majority of the site volume.
Potential reduce by 23.4 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 23.4 kB or 74% of the original size.
Potential reduce by 19.8 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. Cityinfo Koeln images are well optimized though.
Potential reduce by 46.8 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 46.8 kB or 48% of the original size.
Potential reduce by 7.9 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. Cityinfo-koeln.de needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 79% of the original size.
Number of requests can be reduced by 29 (43%)
67
38
The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cityinfo Koeln. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.
cityinfo-koeln.de
366 ms
www.cityinfo-koeln.de
553 ms
funktionen2.js
238 ms
google_service.js
17 ms
style2.css
233 ms
show_ads.js
8 ms
sidebar2.js
250 ms
google_ads.js
14 ms
ga.js
34 ms
bg_container1.gif
299 ms
__utm.gif
52 ms
top.jpg
662 ms
linie-white.gif
290 ms
sm.gif
291 ms
gewinnspiele.gif
295 ms
map.gif
509 ms
spacer.gif
510 ms
tplunhof_panorama.jpg
687 ms
tbrunch.jpg
687 ms
tmuseum-angewandte-kunst.jpg
687 ms
tkneipen-koeln.jpg
742 ms
tweidengasse.jpg
733 ms
tmietpreisbremse.jpg
978 ms
tkinder.jpg
925 ms
tkoelner-philharmonie-buehne.jpg
921 ms
trheinschifffahrt.jpg
919 ms
ttheaterticket.jpg
991 ms
tmuseum-ludwig.jpg
975 ms
tfritz-encke-volkspark.jpg
1157 ms
tkarte-kalk.png
1154 ms
tkoeln-erkunden-klein.jpg
1142 ms
humor.jpg
1208 ms
ca-pub-2015795507274248.js
119 ms
zrt_lookup.html
72 ms
show_ads_impl.js
72 ms
socialmedia.png
1188 ms
fahrplan.gif
1303 ms
suedtirol-tirol.jpg
1454 ms
mitte.png
1343 ms
koeln-home.jpg
1461 ms
bg_teaser.gif
1420 ms
specials.php
1533 ms
suchen.gif
1537 ms
ads
73 ms
ads
276 ms
2825379939703711450
51 ms
osd.js
17 ms
suedtirol-tirol-sommer-160x600.jpg
1687 ms
ads
338 ms
ads
291 ms
m_js_controller.js
4 ms
abg.js
30 ms
favicon
150 ms
googlelogo_color_112x36dp.png
80 ms
nessie_icon_tiamat_white.png
71 ms
css
115 ms
s
56 ms
x_button_blue2.png
39 ms
fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
43 ms
mobile_unified_button_icon_white.png
34 ms
PuwvqkdbcqU-fCZ9Ed-b7S3USBnSvpkopQaUR-2r7iU.ttf
42 ms
specials_select.gif
219 ms
wetter.gif
235 ms
mietwagen.gif
230 ms
fluege.gif
229 ms
einkaufen-klein.jpg
261 ms
stadtplan-thumb.png
500 ms
karneval-klein.jpg
480 ms
activeview
21 ms
activeview
22 ms
8.png
163 ms
zoomout.cur
110 ms
ui
24 ms
cityinfo-koeln.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-*] attributes do not match their roles
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
<frame> or <iframe> elements do not have a title
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
cityinfo-koeln.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
cityinfo-koeln.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
DE
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cityinfo-koeln.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Cityinfo-koeln.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
cityinfo-koeln.de
Open Graph description is not detected on the main page of Cityinfo Koeln. 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: