4.4 sec in total
287 ms
3.6 sec
539 ms
Visit seo-zentrum.de now to see the best up-to-date Seo Zentrum content and also check out these interesting facts you probably never knew about seo-zentrum.de
Visit seo-zentrum.deWe analyzed Seo-zentrum.de page load time and found that the first response time was 287 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
seo-zentrum.de performance score
name
value
score
weighting
Value3.7 s
31/100
10%
Value4.1 s
47/100
25%
Value4.8 s
67/100
10%
Value190 ms
91/100
30%
Value0.013
100/100
15%
Value5.5 s
71/100
10%
287 ms
102 ms
648 ms
191 ms
184 ms
Our browser made a total of 92 requests to load all elements on the main page. We found that 91% of them (84 requests) were addressed to the original Seo-zentrum.de, 7% (6 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Seo-zentrum.de.
Page size can be reduced by 497.2 kB (54%)
917.6 kB
420.4 kB
In fact, the total size of Seo-zentrum.de main page is 917.6 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. 55% of websites need less resources to load. Images take 347.2 kB which makes up the majority of the site volume.
Potential reduce by 131.2 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 48.0 kB, which is 34% 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 131.2 kB or 92% of the original size.
Potential reduce by 22.5 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. Seo Zentrum images are well optimized though.
Potential reduce by 179.5 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 179.5 kB or 77% of the original size.
Potential reduce by 164.0 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. Seo-zentrum.de needs all CSS files to be minified and compressed as it can save up to 164.0 kB or 85% of the original size.
Number of requests can be reduced by 25 (30%)
82
57
The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seo Zentrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
seo-zentrum.de
287 ms
102 ms
648 ms
bootstrap.css
191 ms
jquery.fs.selecter.css
184 ms
scojs.css
186 ms
theme.css
188 ms
font-awesome.css
205 ms
refineslide.css
209 ms
refineslide-theme-dark.css
275 ms
jquery.fs.scroller.css
276 ms
jquery.fs.picker.css
278 ms
default.css
281 ms
jquery.js
373 ms
jquery.fs.selecter.js
297 ms
jquery.fs.picker.js
365 ms
jquery.fs.scroller.js
365 ms
jquery.refineslide.js
366 ms
bootstrap.js
387 ms
theme.js
397 ms
sco.modal.js
456 ms
sco.confirm.js
457 ms
sco.ajax.js
458 ms
sco.collapse.js
466 ms
sco.countdown.js
468 ms
sco.message.js
492 ms
default.js
549 ms
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css
24 ms
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38 ms
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seo-zentrum.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.
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
<frame> or <iframe> elements do not have a title
seo-zentrum.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
seo-zentrum.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
N/A
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Seo-zentrum.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Seo-zentrum.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.
seo-zentrum.de
Open Graph description is not detected on the main page of Seo Zentrum. 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: