4.8 sec in total
505 ms
3.6 sec
647 ms
Welcome to certified-senders.eu homepage info - get ready to check Certified Senders best content for Germany right away, or after learning these important things about certified-senders.eu
Die CSA ist die zentrale Anlaufstelle für Whitelisting. Keine Spamfilterung durch Provider. 100 prozentige serverseitige Zustellung.
Visit certified-senders.euWe analyzed Certified-senders.eu page load time and found that the first response time was 505 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
certified-senders.eu performance score
name
value
score
weighting
Value7.2 s
1/100
10%
Value8.3 s
2/100
25%
Value12.8 s
3/100
10%
Value4,070 ms
1/100
30%
Value1.017
2/100
15%
Value19.9 s
2/100
10%
505 ms
400 ms
649 ms
20 ms
99 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Certified-senders.eu, 72% (43 requests) were made to Certified-senders.org and 10% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Webstats.eco.de.
Page size can be reduced by 1.3 MB (16%)
7.7 MB
6.4 MB
In fact, the total size of Certified-senders.eu main page is 7.7 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. 70% of websites need less resources to load. Images take 6.4 MB which makes up the majority of the site volume.
Potential reduce by 29.0 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. 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 29.0 kB or 78% of the original size.
Potential reduce by 328.3 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. Certified Senders images are well optimized though.
Potential reduce by 447.8 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 447.8 kB or 69% of the original size.
Potential reduce by 450.5 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. Certified-senders.eu needs all CSS files to be minified and compressed as it can save up to 450.5 kB or 84% of the original size.
Number of requests can be reduced by 29 (57%)
51
22
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Certified Senders. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
certified-senders.eu
505 ms
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certified-senders.org
649 ms
font-awesome.min.css
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certified-senders.eu 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
Form elements do not have associated labels
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
certified-senders.eu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
certified-senders.eu SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Certified-senders.eu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Certified-senders.eu 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.
certified-senders.eu
Open Graph data is detected on the main page of Certified Senders. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: