5 sec in total
388 ms
3.5 sec
1.1 sec
Welcome to cologne-led.de homepage info - get ready to check Cologne LED best content right away, or after learning these important things about cologne-led.de
LED Produkte für Ladenlokale, Arztpraxen, Dentallabore, Büros und Apotheken mit stromsparenden LED Lampen ausgestattet. Auch Autohäuser, Verkaufsräume sowie
Visit cologne-led.deWe analyzed Cologne-led.de page load time and found that the first response time was 388 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
cologne-led.de performance score
name
value
score
weighting
Value3.7 s
30/100
10%
Value4.0 s
48/100
25%
Value5.6 s
52/100
10%
Value450 ms
63/100
30%
Value0.251
49/100
15%
Value8.3 s
40/100
10%
388 ms
740 ms
185 ms
270 ms
485 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 92% of them (84 requests) were addressed to the original Cologne-led.de, 2% (2 requests) were made to Fonts.googleapis.com and 2% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (808 ms) belongs to the original domain Cologne-led.de.
Page size can be reduced by 117.3 kB (26%)
445.7 kB
328.4 kB
In fact, the total size of Cologne-led.de main page is 445.7 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. 40% of websites need less resources to load. Images take 316.1 kB which makes up the majority of the site volume.
Potential reduce by 84.4 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 84.4 kB or 79% of the original size.
Potential reduce by 28.5 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 LED images are well optimized though.
Potential reduce by 2.5 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 2.5 kB or 12% of the original size.
Potential reduce by 1.9 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. Cologne-led.de needs all CSS files to be minified and compressed as it can save up to 1.9 kB or 75% of the original size.
Number of requests can be reduced by 12 (14%)
86
74
The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cologne LED. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
cologne-led.de
388 ms
cologne-led.de
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style.css
185 ms
dynamic-style.css
270 ms
tsjtl_lindgruen.css
485 ms
plugin_css
311 ms
jquery-1.12.0.min.js
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hygienic_antibacterial_LED_light_panels.jpg
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mem8YaGs126MiZpBA-UFVZ0e.ttf
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mem5YaGs126MiZpBA-UN7rgOUuhs.ttf
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cologne-led.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
Some elements have a [tabindex] value greater than 0
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
Image elements do not have [alt] attributes
Links do not have a discernible name
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-led.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
cologne-led.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cologne-led.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-led.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.
cologne-led.de
Open Graph description is not detected on the main page of Cologne LED. 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: