9.2 sec in total
297 ms
7.5 sec
1.4 sec
Welcome to vnr-verlag.de homepage info - get ready to check VNR Verlag best content right away, or after learning these important things about vnr-verlag.de
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Visit vnr-verlag.deWe analyzed Vnr-verlag.de page load time and found that the first response time was 297 ms and then it took 8.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
vnr-verlag.de performance score
name
value
score
weighting
Value6.7 s
2/100
10%
Value13.8 s
0/100
25%
Value14.4 s
1/100
10%
Value3,720 ms
1/100
30%
Value0.52
15/100
15%
Value27.1 s
0/100
10%
297 ms
398 ms
1090 ms
503 ms
309 ms
Our browser made a total of 115 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Vnr-verlag.de, 60% (69 requests) were made to Vnrag.de and 10% (12 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (4.4 sec) relates to the external source Vnrag.de.
Page size can be reduced by 1.4 MB (23%)
6.2 MB
4.8 MB
In fact, the total size of Vnr-verlag.de main page is 6.2 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. 80% 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 4.9 MB which makes up the majority of the site volume.
Potential reduce by 84.5 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 84.5 kB or 81% of the original size.
Potential reduce by 441.6 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. VNR Verlag images are well optimized though.
Potential reduce by 216.4 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 216.4 kB or 62% of the original size.
Potential reduce by 672.3 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. Vnr-verlag.de needs all CSS files to be minified and compressed as it can save up to 672.3 kB or 86% of the original size.
Number of requests can be reduced by 58 (64%)
90
32
The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VNR Verlag. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.
vnr-verlag.de
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vnr-verlag.de
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www.vnrag.de
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vnr-verlag.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
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.
vnr-verlag.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
Browser errors were logged to the console
Page has valid source maps
vnr-verlag.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 Vnr-verlag.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 Vnr-verlag.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.
vnr-verlag.de
Open Graph data is detected on the main page of VNR Verlag. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: