3.5 sec in total
315 ms
2.8 sec
385 ms
Welcome to kobra.de homepage info - get ready to check KOBRA best content right away, or after learning these important things about kobra.de
Kobra, Rudi Schlattner GmbH, Nürtingen, Germany, manufacturer of albums for stamps, coins and postcards, stock cards, protective covers and other collector's accessoires
Visit kobra.deWe analyzed Kobra.de page load time and found that the first response time was 315 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
kobra.de performance score
name
value
score
weighting
Value3.0 s
48/100
10%
Value3.4 s
67/100
25%
Value5.2 s
60/100
10%
Value3,460 ms
2/100
30%
Value0.139
79/100
15%
Value7.9 s
43/100
10%
315 ms
655 ms
649 ms
548 ms
665 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 74% of them (42 requests) were addressed to the original Kobra.de, 11% (6 requests) were made to Youtube.com and 4% (2 requests) were made to Internet-siegel.net. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Internet-siegel.net.
Page size can be reduced by 197.6 kB (28%)
701.6 kB
504.0 kB
In fact, the total size of Kobra.de main page is 701.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 346.7 kB which makes up the majority of the site volume.
Potential reduce by 124.5 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 52.9 kB, which is 39% 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 124.5 kB or 91% of the original size.
Potential reduce by 57.3 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. Obviously, KOBRA needs image optimization as it can save up to 57.3 kB or 47% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 13.4 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. This website has mostly compressed JavaScripts.
Potential reduce by 2.4 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. Kobra.de has all CSS files already compressed.
Number of requests can be reduced by 33 (63%)
52
19
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KOBRA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
kobra.de
315 ms
kobra.de
655 ms
piwik.js
649 ms
style.min.css
548 ms
style.min.css
665 ms
trosofortueberweisung.css
554 ms
jquery.min.js
611 ms
jquery-migrate.min.js
463 ms
jquery.cookie.min.js
566 ms
jquery-ui.min.js
768 ms
bootstrap-select.min.js
609 ms
bootstrap.min.js
658 ms
scripts.min.js
659 ms
jquery.flexslider-min.min.js
673 ms
unveil.min.js
673 ms
oxcookienote.min.js
673 ms
start.min.js
756 ms
scripts.min.js
756 ms
minibasket_ajax.js
847 ms
basket_ajax.min.js
848 ms
effects.min.js
847 ms
basket_amount.min.js
1074 ms
piwik.php
516 ms
gtm.js
75 ms
bild.php
1149 ms
verlauf2.png
493 ms
kobra.png
495 ms
image.php
496 ms
en.png
494 ms
de.png
496 ms
kobra_kl.gif
496 ms
spinner.gif
497 ms
Top150.png
497 ms
aphv.gif
497 ms
WEM17_banner_728x90.gif
695 ms
image.php
694 ms
bild.php
1147 ms
VExwYZl0EeQ
153 ms
U98BI-l_PEQ
470 ms
server.php
637 ms
fontawesome-webfont.woff
711 ms
www-player.css
44 ms
www-embed-player.js
65 ms
base.js
93 ms
ad_status.js
344 ms
Ds_pDKslpu-iWcXddHrDyyVH9ulM38tH3FG5TexbKIk.js
206 ms
embed.js
76 ms
KFOmCnqEu92Fr1Mu4mxP.ttf
252 ms
KFOlCnqEu92Fr1MmEU9fBBc9.ttf
425 ms
e21-28.jpg
426 ms
pk3.jpg
426 ms
t74.jpg
425 ms
ks_4a.jpg
425 ms
resource.php
423 ms
resource.php
416 ms
id
21 ms
Create
365 ms
kobra.de accessibility score
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
kobra.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
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
kobra.de 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 Kobra.de 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 Kobra.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.
kobra.de
Open Graph data is detected on the main page of KOBRA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: