3.3 sec in total
368 ms
2.3 sec
631 ms
Welcome to kellerusa.com homepage info - get ready to check Keller USA best content right away, or after learning these important things about kellerusa.com
Industrial production processes often create a variety of airborne pollutants which must be reliably extracted and separated. Our passion is to provide clean air for industrial production processes wi...
Visit kellerusa.comWe analyzed Kellerusa.com page load time and found that the first response time was 368 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
kellerusa.com performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value3.9 s
52/100
25%
Value5.2 s
60/100
10%
Value1,210 ms
20/100
30%
Value0.043
99/100
15%
Value5.9 s
65/100
10%
368 ms
410 ms
111 ms
446 ms
140 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that all of those requests were addressed to Kellerusa.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Kellerusa.com.
Page size can be reduced by 28.9 kB (11%)
256.2 kB
227.3 kB
In fact, the total size of Kellerusa.com main page is 256.2 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. Images take 220.6 kB which makes up the majority of the site volume.
Potential reduce by 28.9 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 28.9 kB or 81% of the original size.
Potential reduce by 0 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. Keller USA images are well optimized though.
Number of requests can be reduced by 28 (68%)
41
13
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Keller USA. 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 9 to 1 for CSS and as a result speed up the page load time.
kellerusa.com
368 ms
www.kellerusa.com
410 ms
news-basic.css
111 ms
7015c8c4ac.css
446 ms
main.css
140 ms
owl.carousel.min.css
155 ms
owl.theme.default.min.css
161 ms
fonts.css
153 ms
Basic.css
221 ms
news-keller.css
320 ms
keSearch.css
244 ms
jquery.js
158 ms
bootstrap.js
265 ms
301d3defed.js
280 ms
owl.carousel.min.js
360 ms
owl.js
361 ms
jquery.themepunch.tools.min.js
276 ms
jquery.themepunch.revolution.min.js
287 ms
revolution.extension.slideanims.min.js
307 ms
revolution.extension.navigation.min.js
314 ms
revolution.extension.parallax.min.js
1144 ms
revolution.extension.layeranimation.min.js
315 ms
revolution.extension.actions.min.js
342 ms
revolution.extension.carousel.min.js
356 ms
revolution.extension.videoeugdpr.js
1140 ms
navigation.js
1142 ms
slider-startpage.js
1139 ms
jquery.datetimepicker.min.js
386 ms
parsley.min.js
403 ms
Tabs.min.js
419 ms
Form.min.js
970 ms
slimbox-2.05.min.js
1136 ms
bg_home.jpg
393 ms
search_icon.svg
200 ms
keller-logo_en.svg
191 ms
keller_piktogramme_en.svg
183 ms
csm_Range-of-products_7cb3e095e0.png
208 ms
csm_Project-Inquiry-Spotlight_1d4a217218.jpg
210 ms
csm_Paddern_Service_eng_efa3a4d417.jpg
210 ms
csm_Premos_eng_f990a32da1.png
212 ms
csm_Fabtech_2017_MeetTeam_SpotLight_c114da8ab5.png
286 ms
csm_youtube_d17c745991.png
203 ms
linkedin-logo.png
278 ms
7ce02c2c-45d4-4dee-90f2-f8034e29ac24.woff
217 ms
5599ac9f-d136-4277-aeee-f82aac5d527f.woff
156 ms
kellerusa.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.
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.
kellerusa.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
kellerusa.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kellerusa.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 Kellerusa.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.
kellerusa.com
Open Graph data is detected on the main page of Keller USA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: