6 sec in total
333 ms
5.2 sec
420 ms
Click here to check amazing Nabu content for Germany. Otherwise, check out these important facts you probably never knew about nabu.de
Der NABU ist seit 125 Jahren ein Zuhause für alle, die sich für unsere Natur und Umwelt engagieren. Egal ob im Pulli oder Anzug – Naturschutz kann jede*r.
Visit nabu.deWe analyzed Nabu.de page load time and found that the first response time was 333 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
nabu.de performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value11.3 s
0/100
25%
Value8.6 s
17/100
10%
Value490 ms
59/100
30%
Value1.372
0/100
15%
Value16.2 s
6/100
10%
333 ms
1045 ms
324 ms
611 ms
994 ms
Our browser made a total of 95 requests to load all elements on the main page. We found that 81% of them (77 requests) were addressed to the original Nabu.de, 8% (8 requests) were made to Nabu-netz.de and 4% (4 requests) were made to I1.wp.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Nabu.de.
Page size can be reduced by 1.1 MB (20%)
5.3 MB
4.2 MB
In fact, the total size of Nabu.de main page is 5.3 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 4.0 MB which makes up the majority of the site volume.
Potential reduce by 99.8 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 28.0 kB, which is 23% 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 99.8 kB or 82% of the original size.
Potential reduce by 66.6 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. Nabu images are well optimized though.
Potential reduce by 442.2 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 442.2 kB or 70% of the original size.
Potential reduce by 463.5 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. Nabu.de needs all CSS files to be minified and compressed as it can save up to 463.5 kB or 86% of the original size.
Number of requests can be reduced by 15 (16%)
93
78
The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nabu. 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 5 to 1 for CSS and as a result speed up the page load time.
nabu.de
333 ms
www.nabu.de
1045 ms
merge.css
324 ms
style.css
611 ms
merge.js
994 ms
custom.js
445 ms
calendar.js
361 ms
calendar-de.js
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calendar-setup.js
436 ms
print.css
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close.png
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loading.gif
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prev.png
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piwik.js
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analytics.js
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calendar-blue.css
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logo.jpg
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socialshareprivacy.css
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de.lang
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Union_Jack.png
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link_facebook.png
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link_twitter.png
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link_mail.png
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print-button.jpg
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teilen_email.png
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dummy_facebook.png
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dummy_twitter.png
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dummy_gplus.png
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like_button_aus.png
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settings.png
687 ms
nabu.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.
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 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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
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.
nabu.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
nabu.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 Nabu.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 Nabu.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.
nabu.de
Open Graph data is detected on the main page of Nabu. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: