3.2 sec in total
313 ms
2.6 sec
284 ms
Visit cosella-dorken.com now to see the best up-to-date Cosella Dorken content for Canada and also check out these interesting facts you probably never knew about cosella-dorken.com
Dörken is the manufacturer of all DELTA® building products and accessories. They provide superior protection from air, water, moisture, UV exposure and more.
Visit cosella-dorken.comWe analyzed Cosella-dorken.com page load time and found that the first response time was 313 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
cosella-dorken.com performance score
name
value
score
weighting
Value3.7 s
30/100
10%
Value7.9 s
3/100
25%
Value7.7 s
25/100
10%
Value1,290 ms
18/100
30%
Value0.636
9/100
15%
Value14.3 s
9/100
10%
313 ms
1217 ms
294 ms
198 ms
32 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 91% of them (48 requests) were addressed to the original Cosella-dorken.com, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Cosella-dorken.com.
Page size can be reduced by 170.5 kB (21%)
825.7 kB
655.1 kB
In fact, the total size of Cosella-dorken.com main page is 825.7 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. 40% of websites need less resources to load. Images take 601.8 kB which makes up the majority of the site volume.
Potential reduce by 36.5 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 11.7 kB, which is 27% 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 36.5 kB or 84% of the original size.
Potential reduce by 27.1 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. Cosella Dorken images are well optimized though.
Potential reduce by 77.7 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 77.7 kB or 53% of the original size.
Potential reduce by 29.3 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. Cosella-dorken.com needs all CSS files to be minified and compressed as it can save up to 29.3 kB or 84% of the original size.
Number of requests can be reduced by 18 (36%)
50
32
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cosella Dorken. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
cosella-dorken.com
313 ms
index.php
1217 ms
script.js
294 ms
tabber.js
198 ms
jquery.min.js
32 ms
jquery.selectbox-0.2.min.js
34 ms
slimbox2.js
198 ms
vtoggle.js
199 ms
slimbox2.css
200 ms
dd-menu-center.css
320 ms
design-center.css
392 ms
cycle.css
321 ms
jquery.cycle.all.min.js
394 ms
360 ms
analytics.js
71 ms
bg_body.jpg
392 ms
bg_shadow-top.png
108 ms
top_delta_standard.gif
104 ms
cosella-doerken-logo.png
107 ms
arroww.gif
106 ms
linkedin.png
107 ms
twitter.png
208 ms
youtube.png
207 ms
greenlogo.png
205 ms
top_home.jpg
303 ms
Teaser_Pyramid_Denver.jpg
304 ms
Teaser_FASSADE_S_2014.jpg
408 ms
Teaser_VENT_SA_2014.jpg
309 ms
Teaser_TRELA_2014.jpg
408 ms
Teaser_FASSADE_S2_2014.jpg
603 ms
anw-hausbau.jpg
407 ms
anw-ti-inbau.jpg
408 ms
rubrik_roofing.jpg
475 ms
arrowns.gif
504 ms
rubrik_wrb.jpg
505 ms
rubrik_rainscreen.jpg
505 ms
rubrik_belowgrade.jpg
504 ms
rubrik_civil.jpg
573 ms
p_standard.gif
602 ms
DELTA-VENT_SA_Building_Smallest.jpg
605 ms
floraxx.jpg
602 ms
delta-fb2.JPG
606 ms
arrow_blue8.gif
670 ms
hr200.gif
704 ms
caddetails_3.jpg
702 ms
bg_shadow.png
651 ms
weltkarte.jpg
653 ms
bg_shadow-bottom.png
654 ms
select-icons.png
717 ms
canada.png
750 ms
slbutton_on.png
751 ms
collect
23 ms
slbutton_off.png
699 ms
cosella-dorken.com 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
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
Links do not have a discernible name
cosella-dorken.com 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
cosella-dorken.com 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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cosella-dorken.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cosella-dorken.com 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.
cosella-dorken.com
Open Graph description is not detected on the main page of Cosella Dorken. 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: