3.6 sec in total
190 ms
2.6 sec
782 ms
Visit certified-senders.org now to see the best up-to-date Certified Senders content for Germany and also check out these interesting facts you probably never knew about certified-senders.org
The CSA acts as a neutral interface between mailbox providers and senders of commercial emails. The goal is to improve the quality of commercial emails, such as newsletters, invoices and order confirm...
Visit certified-senders.orgWe analyzed Certified-senders.org page load time and found that the first response time was 190 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
certified-senders.org performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value11.8 s
0/100
25%
Value13.4 s
2/100
10%
Value10,790 ms
0/100
30%
Value0.61
10/100
15%
Value27.5 s
0/100
10%
190 ms
1113 ms
59 ms
381 ms
511 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 95% of them (55 requests) were addressed to the original Certified-senders.org, 2% (1 request) were made to Maxcdn.bootstrapcdn.com and 2% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Certified-senders.org.
Page size can be reduced by 742.2 kB (71%)
1.0 MB
302.1 kB
In fact, the total size of Certified-senders.org main page is 1.0 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. 65% of websites need less resources to load. CSS take 386.2 kB which makes up the majority of the site volume.
Potential reduce by 90.0 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 90.0 kB or 84% of the original size.
Potential reduce by 64.4 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. Obviously, Certified Senders needs image optimization as it can save up to 64.4 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 258.9 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 258.9 kB or 76% of the original size.
Potential reduce by 329.0 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. Certified-senders.org needs all CSS files to be minified and compressed as it can save up to 329.0 kB or 85% of the original size.
Number of requests can be reduced by 33 (66%)
50
17
The browser has sent 50 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 16 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.
certified-senders.org
190 ms
certified-senders.org
1113 ms
font-awesome.min.css
59 ms
style.css
381 ms
style.min.css
511 ms
styles.css
270 ms
front-legacy.css
270 ms
style.min.css
272 ms
screen.css
662 ms
borlabs-cookie_1_en.css
441 ms
style.css
404 ms
jquery.min.js
422 ms
jquery-migrate.min.js
428 ms
bootstrap.min.js
442 ms
flexslider.css
278 ms
public.css
303 ms
sow-headline-default-7746819de07c-195.css
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sow-features-default-1da1936357f4-195.css
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style.css
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sow-button-wire-4ebb2850429e-195.css
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sow-features-default-dc499e0eb5ef-195.css
435 ms
style.css
454 ms
regenerator-runtime.min.js
475 ms
wp-polyfill.min.js
476 ms
index.js
592 ms
bootstrap.min.js
583 ms
dropdown.js
587 ms
main.js
584 ms
scripts.js
740 ms
api.js
89 ms
index.js
585 ms
jquery.flexslider.min.js
608 ms
borlabs-cookie.min.js
607 ms
wp-emoji-release.min.js
424 ms
csa-logo.svg
207 ms
csa-logo-mobil.svg
211 ms
email_icon_csa.svg
218 ms
newspaper_icon.svg
220 ms
Whitepaper_grafik-scaled-1170x390.jpg
222 ms
Headerbild-Corportare-Website-1140x379.jpg
223 ms
cb-no-thumbnail.png
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marcelbecker1-1024x1024-1-300x300.png
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abusix-interview-2.jpg
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responsibility.svg
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haftung.svg
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1776605959.png
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facebook_icon_footer.svg
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twitter_icon_footer.svg
347 ms
AvenirNextW1G-Regular.woff
403 ms
AvenirNextW1G-Medium.woff
368 ms
contact-section-background.jpg
356 ms
recaptcha__en.js
230 ms
ionicons.ttf
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feature-background.woff
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fa-solid-900.woff
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fa-regular-400.woff
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certified-senders.org 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.org 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.org 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.org 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.org 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.org
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: