5.4 sec in total
367 ms
4.5 sec
604 ms
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Visit zentralsolar.deWe analyzed Zentralsolar.de page load time and found that the first response time was 367 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
zentralsolar.de performance score
name
value
score
weighting
Value2.9 s
52/100
10%
Value4.5 s
37/100
25%
Value10.3 s
8/100
10%
Value6,540 ms
0/100
30%
Value0.007
100/100
15%
Value10.6 s
23/100
10%
367 ms
565 ms
1390 ms
104 ms
1135 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Zentralsolar.de, 91% (30 requests) were made to Zsd.solar and 6% (2 requests) were made to Business.yourrate.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Zsd.solar.
Page size can be reduced by 260.4 kB (32%)
814.2 kB
553.8 kB
In fact, the total size of Zentralsolar.de main page is 814.2 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. HTML takes 396.1 kB which makes up the majority of the site volume.
Potential reduce by 228.4 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 228.4 kB or 58% of the original size.
Potential reduce by 7.5 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. Zentral Solar images are well optimized though.
Potential reduce by 24.2 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 24.2 kB or 63% of the original size.
Potential reduce by 231 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. Zentralsolar.de has all CSS files already compressed.
Number of requests can be reduced by 12 (50%)
24
12
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zentral Solar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.
zentralsolar.de
367 ms
www.zsd.solar
565 ms
www.zsd.solar
1390 ms
ewcms_js.js
104 ms
widget.js
1135 ms
styles.css
187 ms
usecurez.js
469 ms
_require.js
412 ms
branding.png
526 ms
tesla.jpg
466 ms
partnerQcells.jpg
466 ms
solarWatt.jpg
467 ms
senecFachpartner.jpg
515 ms
61001472-bg-footer.jpg
1026 ms
facebook.png
302 ms
loading.svg
311 ms
barlow-v4-latin-300.woff
334 ms
barlow-v4-latin-700.woff
494 ms
barlow-v4-latin-900.woff
502 ms
icomoon.woff
324 ms
barlow-v4-latin-300italic.woff
482 ms
barlow-v4-latin-700italic.woff
363 ms
_core.js
344 ms
basics.js
123 ms
ruffnav.js
114 ms
privacyControl-2.0.conf.js
190 ms
JcnVV
278 ms
privacyControl-2.js
106 ms
lazyLoad.js
118 ms
swiper.min.js
309 ms
countUp.js
103 ms
in-view.js
104 ms
print.css
104 ms
zentralsolar.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
Some elements have a [tabindex] value greater than 0
zentralsolar.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
zentralsolar.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zentralsolar.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 Zentralsolar.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.
zentralsolar.de
Open Graph data is detected on the main page of Zentral Solar. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: