2.7 sec in total
337 ms
2.1 sec
230 ms
Welcome to crb-gmbh.de homepage info - get ready to check CRB GmbH best content for Germany right away, or after learning these important things about crb-gmbh.de
CRB GmbH | independant & accredited | Since 1992 your laboratory for asbestos analysis and testing raw- and building materlas by X-ray fluorescence analysis
Visit crb-gmbh.deWe analyzed Crb-gmbh.de page load time and found that the first response time was 337 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
crb-gmbh.de performance score
name
value
score
weighting
Value3.1 s
47/100
10%
Value9.0 s
1/100
25%
Value7.1 s
31/100
10%
Value410 ms
67/100
30%
Value0.192
64/100
15%
Value8.7 s
36/100
10%
337 ms
512 ms
174 ms
192 ms
193 ms
Our browser made a total of 67 requests to load all elements on the main page. We found that 73% of them (49 requests) were addressed to the original Crb-gmbh.de, 12% (8 requests) were made to Apis.google.com and 3% (2 requests) were made to Platform.linkedin.com. The less responsive or slowest element that took the longest time to load (632 ms) belongs to the original domain Crb-gmbh.de.
Page size can be reduced by 260.9 kB (40%)
652.0 kB
391.1 kB
In fact, the total size of Crb-gmbh.de main page is 652.0 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. 45% of websites need less resources to load. Images take 301.5 kB which makes up the majority of the site volume.
Potential reduce by 23.4 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. 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 23.4 kB or 73% of the original size.
Potential reduce by 18.3 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. CRB GmbH images are well optimized though.
Potential reduce by 191.1 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 191.1 kB or 67% of the original size.
Potential reduce by 28.1 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. Crb-gmbh.de needs all CSS files to be minified and compressed as it can save up to 28.1 kB or 80% of the original size.
Number of requests can be reduced by 32 (51%)
63
31
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CRB GmbH. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
crb-gmbh.de
337 ms
www.crb-gmbh.de
512 ms
reset-fonts-grids.css
174 ms
yui260.css
192 ms
lightbox.css
193 ms
yuiall260.js
464 ms
lightBox.js
279 ms
Lightbox.js
192 ms
lightboxScript.js
259 ms
crb.css
279 ms
landingpage.css
279 ms
jquery.js
458 ms
swfobject.js
348 ms
renderForms.js
365 ms
wicket-event.js;jsessionid=fcfd2ae6d8c149accbdad0767630
369 ms
wicket-ajax.js;jsessionid=fcfd2ae6d8c149accbdad0767630
456 ms
fixTitleAttributes.js
359 ms
in.js
32 ms
plusone.js
67 ms
ga.js
31 ms
bg.gif
116 ms
bgCornerUL.gif
117 ms
bgCornerUR.gif
117 ms
bgHeader.gif
117 ms
logo.gif
210 ms
logoPrint.gif
116 ms
start_08.2103.jpg
632 ms
crb_haus_1.2101.jpg
486 ms
buttonSearch.gif
210 ms
dar_dap-pl-2429.00.gif
209 ms
ries-welt_der_rohstoffe.2103.jpg
361 ms
pdf.gif
290 ms
link.gif
293 ms
de.png
293 ms
en.png
377 ms
fr.png
379 ms
cn.png
380 ms
nl.png
448 ms
pl.png
466 ms
ru.png
469 ms
tr.png
468 ms
es.png
535 ms
ar.png
554 ms
it.png
557 ms
pt.png
555 ms
bgSearchBox.gif
555 ms
__utm.gif
17 ms
secureAnonymousFramework
79 ms
cb=gapi.loaded_0
25 ms
collect
109 ms
bgFooter.gif
557 ms
bgCornerLL.gif
572 ms
bgCornerLR.gif
572 ms
cb=gapi.loaded_1
34 ms
fastbutton
107 ms
postmessageRelay
44 ms
sprite_connect_v14.png
147 ms
3193398744-postmessagerelay.js
51 ms
rpc:shindig_random.js
45 ms
cb=gapi.loaded_0
23 ms
cb=gapi.loaded_1
29 ms
W5F8_SL0XFawnjxHGsZjJA.ttf
41 ms
cp_button.png
374 ms
cb=gapi.loaded_0
7 ms
crbPrint.css
91 ms
progressBar.gif
91 ms
blackbitClose.gif
91 ms
crb-gmbh.de 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Some elements have a [tabindex] value greater than 0
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
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.
crb-gmbh.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
Page has valid source maps
crb-gmbh.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Crb-gmbh.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Crb-gmbh.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.
crb-gmbh.de
Open Graph description is not detected on the main page of CRB GmbH. 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: