4 sec in total
401 ms
2.1 sec
1.4 sec
Click here to check amazing OPTERRA Crh content for Germany. Otherwise, check out these important facts you probably never knew about opterra-crh.com
In Karsdorf, Wössingen, Sötenich und Neufahrn produzieren wir jährlich 3,5 Millionen Tonnen Zement und gehören damit zu den führenden Herstellern.
Visit opterra-crh.comWe analyzed Opterra-crh.com page load time and found that the first response time was 401 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
opterra-crh.com performance score
name
value
score
weighting
Value4.9 s
11/100
10%
Value13.1 s
0/100
25%
Value12.9 s
2/100
10%
Value13,600 ms
0/100
30%
Value0.256
48/100
15%
Value21.2 s
1/100
10%
401 ms
422 ms
518 ms
145 ms
335 ms
Our browser made a total of 11 requests to load all elements on the main page. We found that 91% of them (10 requests) were addressed to the original Opterra-crh.com, 9% (1 request) were made to Cloud.typography.com. The less responsive or slowest element that took the longest time to load (526 ms) belongs to the original domain Opterra-crh.com.
Page size can be reduced by 54.4 kB (70%)
77.6 kB
23.2 kB
In fact, the total size of Opterra-crh.com main page is 77.6 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. 20% of websites need less resources to load. HTML takes 64.0 kB which makes up the majority of the site volume.
Potential reduce by 52.5 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 13.5 kB, which is 21% 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 52.5 kB or 82% of the original size.
Potential reduce by 1.9 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, OPTERRA Crh needs image optimization as it can save up to 1.9 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Number of requests can be reduced by 4 (57%)
7
3
The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OPTERRA Crh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
opterra-crh.com
401 ms
opterra-crh.com
422 ms
www.opterra-crh.com
518 ms
fonts.css
145 ms
merged-441d6306f584febe940ac1db62fdb4fd-490542bed4bdee388c9a2f5e5b0ad805.js
335 ms
merged-2d87997a76ced90f44d64695e14328b5-c27f5061cf02da397b88ec62178fcef9.js
303 ms
merged-19965070492fbd7f6e9967506dd103ea-3591c5c18452da1c228ac2f20b73d4db.js
425 ms
browser.js
320 ms
merged-7359cdd120244489b3bc3415ab41f821-4cd7cf42c14debf6c423f89112832fec.js
526 ms
B1C44F417B3332DC6.css
471 ms
opterra.png
112 ms
opterra-crh.com 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
[id] attributes on active, focusable elements are not unique
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
Image elements do not have [alt] attributes
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.
opterra-crh.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
opterra-crh.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opterra-crh.com 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 Opterra-crh.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.
opterra-crh.com
Open Graph description is not detected on the main page of OPTERRA Crh. 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: