8.5 sec in total
946 ms
6.6 sec
959 ms
Welcome to centro-hotels.de homepage info - get ready to check Centro Hotels best content for Germany right away, or after learning these important things about centro-hotels.de
Willkommen bei den Centro Hotels! Wir bieten Ihnen: attraktive Übernachtungspreise ✓ deutschlandweit verfügbare Hotels ✓ in allen Städten zentrumsnah gelegen ✓
Visit centro-hotels.deWe analyzed Centro-hotels.de page load time and found that the first response time was 946 ms and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
centro-hotels.de performance score
name
value
score
weighting
Value5.6 s
6/100
10%
Value8.9 s
1/100
25%
Value7.3 s
29/100
10%
Value2,170 ms
6/100
30%
Value0.001
100/100
15%
Value11.4 s
19/100
10%
946 ms
39 ms
181 ms
216 ms
211 ms
Our browser made a total of 177 requests to load all elements on the main page. We found that 53% of them (94 requests) were addressed to the original Centro-hotels.de, 31% (54 requests) were made to Ibe.dirs21.de and 3% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Ibe.dirs21.de.
Page size can be reduced by 2.0 MB (31%)
6.6 MB
4.6 MB
In fact, the total size of Centro-hotels.de main page is 6.6 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. 85% 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 4.2 MB which makes up the majority of the site volume.
Potential reduce by 140.6 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 140.6 kB or 78% of the original size.
Potential reduce by 390.6 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. Centro Hotels images are well optimized though.
Potential reduce by 896.8 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 896.8 kB or 61% of the original size.
Potential reduce by 610.1 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. Centro-hotels.de needs all CSS files to be minified and compressed as it can save up to 610.1 kB or 84% of the original size.
Number of requests can be reduced by 111 (66%)
168
57
The browser has sent 168 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centro Hotels. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and from 34 to 1 for CSS and as a result speed up the page load time.
www.centro-hotels.de
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centro-hotels.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 input fields do not have accessible names
ARIA IDs are not unique
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
No form fields have multiple labels
Image elements do not have [alt] attributes
Form elements do not have associated labels
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
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.
centro-hotels.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
General
Impact
Issue
Detected JavaScript libraries
centro-hotels.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centro-hotels.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 Centro-hotels.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.
centro-hotels.de
Open Graph data is detected on the main page of Centro Hotels. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: