7.1 sec in total
366 ms
1.8 sec
4.9 sec
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Visit nullvier.atWe analyzed Nullvier.at page load time and found that the first response time was 366 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
nullvier.at performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value6.1 s
12/100
25%
Value6.0 s
46/100
10%
Value560 ms
52/100
30%
Value0.027
100/100
15%
Value8.6 s
37/100
10%
366 ms
547 ms
210 ms
532 ms
448 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Nullvier.at, 93% (26 requests) were made to Interactive-values.at and 4% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (828 ms) relates to the external source Interactive-values.at.
Page size can be reduced by 242.2 kB (23%)
1.1 MB
832.9 kB
In fact, the total size of Nullvier.at main page is 1.1 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. 55% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 13.3 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. This page needs HTML code to be minified as it can gain 4.0 kB, which is 24% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 13.3 kB or 80% of the original size.
Potential reduce by 228.8 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. Obviously, Nullvier needs image optimization as it can save up to 228.8 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 39 B
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. Nullvier.at has all CSS files already compressed.
We found no issues to fix!
26
26
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nullvier. According to our analytics all requests are already optimized.
nullvier.at
366 ms
www.interactive-values.at
547 ms
main.min.css
210 ms
main.min.js
532 ms
logo_interactivevalues.svg
448 ms
fuerSie.jpg
506 ms
artgroup_logo_sq_outline.png
452 ms
boa_medium.png
504 ms
heidlmair.png
446 ms
logo_brucknerhaus_neu.png
467 ms
logo_contentcreation.png
451 ms
logo_mediamag.png
469 ms
logo_wuwien.png
501 ms
Next_Logo.png
500 ms
logo_sup7even_outline.png
801 ms
technews_logo.png
798 ms
office_interactivevalues.jpg
828 ms
cookieconsent.min.css
60 ms
overlay_numbers.png
561 ms
headerimage.jpg
518 ms
robertmaybach.jpg
533 ms
mediamag.jpg
544 ms
wuwien.jpg
541 ms
technews.jpg
541 ms
saoo.jpg
549 ms
brucknerhaus.jpg
548 ms
hellmerich.jpg
633 ms
leutascherhof.jpg
609 ms
nullvier.at 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.
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.
nullvier.at 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
nullvier.at SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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 Nullvier.at 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 Nullvier.at 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.
nullvier.at
Open Graph data is detected on the main page of Nullvier. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: