5.5 sec in total
240 ms
2.9 sec
2.3 sec
Click here to check amazing Zentro Elektrik content. Otherwise, check out these important facts you probably never knew about zentro-elektrik.de
Unser Produktspektrum umfasst Spannungswandler, elektronische Lasten und Stromversorgungs- sowie Batterieladesysteme. Erfahren Sie hier mehr...
Visit zentro-elektrik.deWe analyzed Zentro-elektrik.de page load time and found that the first response time was 240 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
zentro-elektrik.de performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value27.8 s
0/100
25%
Value16.8 s
0/100
10%
Value8,670 ms
0/100
30%
Value0
100/100
15%
Value19.1 s
2/100
10%
240 ms
458 ms
908 ms
30 ms
210 ms
Our browser made a total of 29 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Zentro-elektrik.de, 72% (21 requests) were made to Zentro-elektronik.de and 14% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Zentro-elektronik.de.
Page size can be reduced by 401.7 kB (6%)
6.6 MB
6.2 MB
In fact, the total size of Zentro-elektrik.de main page is 6.6 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. 45% of websites need less resources to load. Images take 6.5 MB which makes up the majority of the site volume.
Potential reduce by 26.0 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 3.4 kB, which is 11% 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 26.0 kB or 81% of the original size.
Potential reduce by 375.3 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. Zentro Elektrik images are well optimized though.
Potential reduce by 307 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 68 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. Zentro-elektrik.de has all CSS files already compressed.
Number of requests can be reduced by 3 (14%)
21
18
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zentro Elektrik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
zentro-elektrik.de
240 ms
zentro-elektronik.de
458 ms
www.zentro-elektronik.de
908 ms
font-awesome.min.css
30 ms
merged-a0af3fb49353f7a2cb75a49f1915e7d1-bf35e99117a6224d42a30076c618f07f.css
210 ms
merged-5fff7b499b72a4f38cd658a71bc3cfc7-8c9671ca2cda81a95ef07722895f0a75.js
301 ms
merged-e860fe4316422e124cacd8a26c95fda1-ff286a3713d28221aaee34be5740a75e.js
539 ms
jquery.bxslider.min.js
415 ms
merged-3810264cafc518f80761d32e11070e48-6c8cd2ca1545034623e610675633d619.js
415 ms
Zentro_Elektronik_Logo.svg
105 ms
Header_Wir_entwickeln.jpg
970 ms
Header_Wir_produzieren.jpg
980 ms
Header_Wir_pruefen_2.jpg
905 ms
Header_Wir_uebernehmen.jpg
893 ms
Header_Startseite_2.jpg
986 ms
wir_produzieren_icon.svg
556 ms
wir_entwickeln_icon.svg
586 ms
wir_pruefen_icon.svg
704 ms
wir_uebernehmen_icon.svg
809 ms
csm_dummy-preview-image_c283607114.png
909 ms
csm_GWH_500_ohne_Firmenname_blau_c3f867d8e0.jpg
990 ms
ISO_9001_farbe_de.png
1002 ms
fontawesome-webfont.woff
19 ms
css
176 ms
bx_loader.gif
636 ms
5aU69_a8oxmIdGl4AQ.ttf
35 ms
5aU19_a8oxmIfMJaERySiA.ttf
98 ms
5aU19_a8oxmIfNJdERySiA.ttf
113 ms
3qTqojGmgSyUukBzKslhvU5q-WMQ.ttf
113 ms
zentro-elektrik.de accessibility score
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-hidden="true"] elements contain focusable descendents
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
Image elements do not have [alt] attributes
Links do not have a discernible name
zentro-elektrik.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
Page has valid source maps
zentro-elektrik.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 Zentro-elektrik.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 Zentro-elektrik.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.
zentro-elektrik.de
Open Graph data is detected on the main page of Zentro Elektrik. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: