3 sec in total
272 ms
2.3 sec
377 ms
Welcome to colvistec.de homepage info - get ready to check Col Vis Tec best content right away, or after learning these important things about colvistec.de
Inline spectroscopy process control in extruders for pharmaceutical, chemical, coating, polymer and plastic extrusion.
Visit colvistec.deWe analyzed Colvistec.de page load time and found that the first response time was 272 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
colvistec.de performance score
name
value
score
weighting
Value1.9 s
86/100
10%
Value1.9 s
98/100
25%
Value16.1 s
0/100
10%
Value20 ms
100/100
30%
Value0.226
55/100
15%
Value3.5 s
92/100
10%
272 ms
588 ms
146 ms
348 ms
322 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that all of those requests were addressed to Colvistec.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Colvistec.de.
Page size can be reduced by 87.2 kB (14%)
615.3 kB
528.1 kB
In fact, the total size of Colvistec.de main page is 615.3 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. 30% of websites need less resources to load. Images take 412.7 kB which makes up the majority of the site volume.
Potential reduce by 26.0 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 15.1 kB, which is 51% 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 26.0 kB or 88% of the original size.
Potential reduce by 269 B
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. Col Vis Tec images are well optimized though.
Potential reduce by 40.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 40.4 kB or 35% of the original size.
Potential reduce by 20.4 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. Colvistec.de needs all CSS files to be minified and compressed as it can save up to 20.4 kB or 36% of the original size.
Number of requests can be reduced by 13 (33%)
40
27
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Col Vis Tec. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
colvistec.de
272 ms
www.colvistec.de
588 ms
font-awesome.css
146 ms
bootstrap.css
348 ms
slick.css
322 ms
jquery.fancybox.css
322 ms
default-theme.css
329 ms
style.css
340 ms
font-google.css
332 ms
en.jpg
445 ms
de.jpg
443 ms
logo.jpg
442 ms
7.jpg
679 ms
de-montfort-university.jpg
477 ms
entex.jpg
477 ms
skz.jpg
559 ms
nw.jpg
566 ms
leistritz.jpg
567 ms
exeter.jpg
606 ms
process_control.jpg
1042 ms
jquery.min.js
815 ms
bootstrap.js
737 ms
slick.js
745 ms
waypoints.js
729 ms
jquery.counterup.js
939 ms
jquery.mixitup.js
883 ms
jquery.fancybox.pack.js
879 ms
custom.js
869 ms
colvistec_technology.jpg
1098 ms
powtech.jpg
1003 ms
k.jpg
1005 ms
achema.jpg
1010 ms
fakuma.jpg
1067 ms
circle.jpg
1135 ms
c.jpg
1137 ms
impax.jpg
1277 ms
ingenieurde.jpg
1167 ms
scientistlive.jpg
1189 ms
plastics.jpg
1085 ms
pressebox.jpg
952 ms
engineerlive.jpg
954 ms
fontawesome-webfont.woff
961 ms
ajax-loader.gif
351 ms
default.aspx
128 ms
colvistec.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
ARIA input fields do not have accessible names
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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
colvistec.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
colvistec.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
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Colvistec.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 Colvistec.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.
colvistec.de
Open Graph description is not detected on the main page of Col Vis Tec. 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: