5.4 sec in total
318 ms
4.9 sec
194 ms
Welcome to krass-optik.de homepage info - get ready to check KRASS Optik best content right away, or after learning these important things about krass-optik.de
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Visit krass-optik.deWe analyzed Krass-optik.de page load time and found that the first response time was 318 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
krass-optik.de performance score
name
value
score
weighting
Value3.6 s
33/100
10%
Value13.0 s
0/100
25%
Value15.0 s
1/100
10%
Value13,540 ms
0/100
30%
Value0
100/100
15%
Value35.8 s
0/100
10%
318 ms
352 ms
1132 ms
129 ms
141 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Krass-optik.de, 76% (45 requests) were made to Krass-optik.com and 10% (6 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Krass-optik.com.
Page size can be reduced by 773.6 kB (18%)
4.4 MB
3.6 MB
In fact, the total size of Krass-optik.de main page is 4.4 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. 45% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.
Potential reduce by 32.4 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 7.6 kB, which is 19% 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 32.4 kB or 81% of the original size.
Potential reduce by 23.2 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. KRASS Optik images are well optimized though.
Potential reduce by 372.7 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 372.7 kB or 71% of the original size.
Potential reduce by 345.3 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. Krass-optik.de needs all CSS files to be minified and compressed as it can save up to 345.3 kB or 85% of the original size.
Number of requests can be reduced by 17 (31%)
54
37
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KRASS Optik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
krass-optik.de
318 ms
www.krass-optik.com
352 ms
www.krass-optik.com
1132 ms
497ad2cf-ee95-4611-84af-e09cf1c7a41f.css
129 ms
toastr.min.css
141 ms
bootstrap.css
488 ms
main.css
784 ms
jsapi
34 ms
krass-logo.svg
553 ms
vendor.js
991 ms
plugins.js
607 ms
jquery.lazyload.js
370 ms
bootstrap.js
658 ms
scripts.js
625 ms
toastr.min.js
694 ms
main.js
746 ms
emos2.js
765 ms
white-transparent.png
149 ms
icon-search.svg
164 ms
load-icon-1.gif
792 ms
web_intro_final_320_468_px_iphone_1.png
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1721 ms
slide-brille.svg
1593 ms
krass_footer.png
1622 ms
14 ms
537b145a-6a7d-4787-81d9-7228d3a42458.woff
86 ms
f51d24dd-8256-43c6-ba1a-6aeae9d3f262.woff
118 ms
default+de.css
4 ms
default+de.I.js
13 ms
icon-basket.svg
1595 ms
icon-facebook.svg
1654 ms
visa_logo_grey.png
1683 ms
MasterCard_grey.png
1699 ms
Maestro_grey.png
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paypal_grey.png
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DHL_grey.png
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icon-submit.svg
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glyphicons-halflings-regular.woff
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glyphicons-halflings-regular.woff
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ga.js
49 ms
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__utm.gif
13 ms
print.css
143 ms
async-ads.js
89 ms
google_custom_search_watermark.gif
50 ms
small-logo.png
16 ms
krass-optik.de 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
[role]s do not have all required [aria-*] attributes
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
krass-optik.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
krass-optik.de SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Krass-optik.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Krass-optik.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.
krass-optik.de
Open Graph description is not detected on the main page of KRASS Optik. 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: