1.7 sec in total
539 ms
964 ms
236 ms
Click here to check amazing Nerdcenter content. Otherwise, check out these important facts you probably never knew about nerdcenter.de
Senior Software Engineer (DevOps) aus Hamburg. Spezialisiert auf Go, Kotlin, PHP und Amazon Web Services (AWS).
Visit nerdcenter.deWe analyzed Nerdcenter.de page load time and found that the first response time was 539 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
nerdcenter.de performance score
name
value
score
weighting
Value2.9 s
54/100
10%
Value4.4 s
39/100
25%
Value5.5 s
55/100
10%
Value110 ms
97/100
30%
Value0.026
100/100
15%
Value4.3 s
84/100
10%
539 ms
94 ms
190 ms
192 ms
195 ms
Our browser made a total of 17 requests to load all elements on the main page. We found that 71% of them (12 requests) were addressed to the original Nerdcenter.de, 12% (2 requests) were made to Google-analytics.com and 12% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (539 ms) belongs to the original domain Nerdcenter.de.
Page size can be reduced by 185.3 kB (69%)
270.4 kB
85.1 kB
In fact, the total size of Nerdcenter.de main page is 270.4 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. 30% of websites need less resources to load. Javascripts take 170.6 kB which makes up the majority of the site volume.
Potential reduce by 23.5 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 23.5 kB or 78% of the original size.
Potential reduce by 104.0 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 104.0 kB or 61% of the original size.
Potential reduce by 57.7 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. Nerdcenter.de needs all CSS files to be minified and compressed as it can save up to 57.7 kB or 83% of the original size.
Number of requests can be reduced by 10 (71%)
14
4
The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nerdcenter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
nerdcenter.de
539 ms
socialshareprivacy-min.css
94 ms
crayon.min.css
190 ms
classic.css
192 ms
monaco.css
195 ms
css
25 ms
style.css
196 ms
jquery.js
291 ms
jquery-migrate.min.js
199 ms
crayon.min.js
282 ms
social_bookmarks-min.js
282 ms
navigation.js
289 ms
icon_smile.gif
95 ms
ga.js
29 ms
k3k702ZOKiLJc3WVjuplzNqQynqKV_9Plp7mupa0S4g.ttf
18 ms
u-WUoqrET9fUeobQW7jkRaCWcynf_cDxXwCLxiixG1c.ttf
18 ms
__utm.gif
25 ms
nerdcenter.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
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.
nerdcenter.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
nerdcenter.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 Nerdcenter.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 Nerdcenter.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.
nerdcenter.de
Open Graph description is not detected on the main page of Nerdcenter. 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: