13.8 sec in total
427 ms
3.9 sec
9.6 sec
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Visit kruss-scientific.comWe analyzed Kruss-scientific.com page load time and found that the first response time was 427 ms and then it took 13.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
kruss-scientific.com performance score
name
value
score
weighting
Value9.4 s
0/100
10%
Value12.4 s
0/100
25%
Value23.3 s
0/100
10%
Value13,030 ms
0/100
30%
Value0.996
2/100
15%
Value24.6 s
0/100
10%
427 ms
447 ms
511 ms
58 ms
280 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 74% of them (32 requests) were addressed to the original Kruss-scientific.com, 21% (9 requests) were made to Cdn.cookielaw.org and 2% (1 request) were made to Cdn.polyfill.io. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Kruss-scientific.com.
Page size can be reduced by 453.7 kB (50%)
900.3 kB
446.6 kB
In fact, the total size of Kruss-scientific.com main page is 900.3 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. 55% of websites need less resources to load. HTML takes 533.1 kB which makes up the majority of the site volume.
Potential reduce by 426.9 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 426.9 kB or 80% of the original size.
Potential reduce by 26.0 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. Kruss Scientific images are well optimized though.
Potential reduce by 692 B
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 50 B
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. Kruss-scientific.com has all CSS files already compressed.
Number of requests can be reduced by 21 (62%)
34
13
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kruss Scientific. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.
kruss-scientific.com
427 ms
kruss-scientific.com
447 ms
en
511 ms
otSDKStub.js
58 ms
polyfill.js
280 ms
fe451184-028e-4146-aa0e-e19487bb2d6a.json
167 ms
gtm.js
78 ms
vendor.js
157 ms
app.js
428 ms
otBannerSdk.js
91 ms
kruss-icons-setup-and-installation.svg
1043 ms
kruss-icons-training.svg
1043 ms
kruss-icons-maintenance-and-repair.svg
1105 ms
en.json
143 ms
kruss-tensiio-diagonal-camera.png
1503 ms
app.css
231 ms
otFloatingRounded.json
548 ms
otPcPanel.json
601 ms
otCommonStyles.css
612 ms
2.js
178 ms
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172 ms
10.js
653 ms
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652 ms
39.js
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1.js
811 ms
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792 ms
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816 ms
NotoSans-Regular.woff
1048 ms
NotoSans-Bold.woff
804 ms
iconfont.woff
1046 ms
NotoSerif-Italic.ttf
1045 ms
NotoSans-Italic.woff
1043 ms
NotoSans-BoldItalic.woff
1027 ms
KRUSS_Logo_Blue_RGB_1200x719_pz.png
189 ms
poweredBy_ot_logo.svg
17 ms
kruss-ayriis-diagonal.png
450 ms
status
454 ms
kruss-scientific.com 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-*] attributes do not match their roles
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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.
kruss-scientific.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
kruss-scientific.com 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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kruss-scientific.com 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 Kruss-scientific.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.
kruss-scientific.com
Open Graph data is detected on the main page of Kruss Scientific. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: