4.6 sec in total
574 ms
3.6 sec
496 ms
Visit cologne.de now to see the best up-to-date Cologne content for Germany and also check out these interesting facts you probably never knew about cologne.de
Offizielle Webseite für Köln mit Informationen zu Stadt, Events, Sehenswürdigkeiten und Freizeitmöglichkeiten.
Visit cologne.deWe analyzed Cologne.de page load time and found that the first response time was 574 ms 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.
cologne.de performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value7.1 s
5/100
25%
Value10.3 s
8/100
10%
Value320 ms
76/100
30%
Value0.785
5/100
15%
Value9.4 s
31/100
10%
574 ms
189 ms
205 ms
191 ms
191 ms
Our browser made a total of 141 requests to load all elements on the main page. We found that 62% of them (88 requests) were addressed to the original Cologne.de, 9% (12 requests) were made to Pagead2.googlesyndication.com and 4% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Cologne.de.
Page size can be reduced by 582.7 kB (34%)
1.7 MB
1.1 MB
In fact, the total size of Cologne.de main page is 1.7 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. 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. Images take 837.5 kB which makes up the majority of the site volume.
Potential reduce by 111.9 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. 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 111.9 kB or 75% of the original size.
Potential reduce by 41.0 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. Cologne images are well optimized though.
Potential reduce by 359.3 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 359.3 kB or 57% of the original size.
Potential reduce by 70.4 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. Cologne.de needs all CSS files to be minified and compressed as it can save up to 70.4 kB or 79% of the original size.
Number of requests can be reduced by 67 (50%)
135
68
The browser has sent 135 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cologne. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 45 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
www.cologne.de
574 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
189 ms
css_rMRulbqRGKUhvDyv6Adi0aZ94YwXssPoX18PmDQ6iTw.css
205 ms
css_TsVRTbLFUpEZAfw-_bWPJu840QT523CPjUVJ5MRWfyk.css
191 ms
css_unGVs8XvMxUzUmwis0l5bwsCKSJHTuhFxgu6FdydKP8.css
191 ms
css_qZ2Ensp4UoGSQUMsd_VeDUaVJ7uBugbDUIxWGrm6Y2c.css
287 ms
css_9-IR5BQuhrV_4GVf2A81sR3dK1BZBWamRrajAey-jDc.css
275 ms
jquery.min.js
30 ms
jquery.once.js
281 ms
drupal.js
375 ms
jquery.ui.core.min.js
283 ms
jquery.ui.widget.min.js
284 ms
jquery.ui.datepicker.min.js
370 ms
jquery.ui.position.min.js
373 ms
jquery.ui.autocomplete.min.js
381 ms
admin_devel.js
379 ms
jquery.autocomplete.js
382 ms
googleanalytics.js
462 ms
iam.js
526 ms
jquery.formalize.js
467 ms
omega-mediaqueries.js
466 ms
plusone.js
82 ms
addthis_widget.js
10 ms
miniwetter_cologne_ajax.js
282 ms
show_ads.js
5 ms
global.js
295 ms
lightbox.js
390 ms
lead.js
295 ms
accordion.js
386 ms
bookingform.js
388 ms
bookingbox.js
388 ms
prefaceteaser.js
389 ms
ga.js
31 ms
__utm.gif
44 ms
sm-share-de.gif
32 ms
page_background150x150.jpg
225 ms
logo-cologne-de-150x70.png
121 ms
btn_search_submit.gif
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luftbild-900x300.jpg
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wegweiser-900x300_0.jpg
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altstadt-nacht-900x300.jpg
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koelsch-900x300.jpg
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skyline-nacht-900x300.jpg
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logo-hrs-72x24.png
405 ms
button-search-102x26.png
497 ms
edc210x145-dapd.jpg
499 ms
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499 ms
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dombeinacht.jpg
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camping-ddp-210_0.jpg
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frueh-hl-210_0.jpg
831 ms
tx.io
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shopping-rg.jpg
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crafts-dapd.jpg
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ford-dapd.jpg
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tx.io
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trade-dapd_0.jpg
681 ms
special-carnival_610x251.jpg
1211 ms
tourismus;sz=468x60,728x90,728x180;tile=1;ord=9467018123250454
248 ms
logo_koelnde.jpg
586 ms
logo_cgnairport.jpg
643 ms
logo_hrs.jpg
704 ms
logo_koelnmesse.jpg
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logo-koelntourismus-65x46.png
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tourismus;sz=120x600,160x600,200x450,200x600;tile=4;ord=9467018123250454
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adsbygoogle.js
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cb=gapi.loaded_0
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all.js
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bg_slideshow_txtbox.png
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icon-calendar-17x16.png
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select-arrow.gif
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DINWeb-Medium.woff
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4_qn.png
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KOE_Marke_Koeln_Kommunikationsmuster_lang_RGB.png
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btn_prefaceteaser.gif
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cologne-tools.jpg
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pfeil-rot.png
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ca-pub-0471356541064203.js
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zrt_lookup.html
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show_ads_impl.js
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btns_13x13.gif
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advertisement-75x8.png
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tourismus;sz=300x250,300x600;tile=2;ord=9467018123250454
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ads
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osd.js
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ads
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nessie_icon_magazine_black.png
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push
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bt_slidebrowser_prev.gif
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sh.7c7179124ea24ac6ba46caac.html
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like.php
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m_js_controller.js
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cologne.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
[aria-hidden="true"] elements contain focusable descendents
ARIA IDs are not unique
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
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
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.
cologne.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
cologne.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cologne.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 Cologne.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.
cologne.de
Open Graph description is not detected on the main page of Cologne. 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: