12.6 sec in total
622 ms
11.5 sec
553 ms
Visit keensen.com now to see the best up-to-date Keen Sen content and also check out these interesting facts you probably never knew about keensen.com
KeenSen It focuses on the research, development, production, sales and application services of reverse osmosis and nanofiltration membranes, membrane elements and membrane treatment systems.
Visit keensen.comWe analyzed Keensen.com page load time and found that the first response time was 622 ms and then it took 12 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
keensen.com performance score
name
value
score
weighting
Value2.4 s
69/100
10%
Value6.2 s
11/100
25%
Value4.4 s
75/100
10%
Value70 ms
99/100
30%
Value0.17
70/100
15%
Value5.5 s
71/100
10%
622 ms
627 ms
548 ms
882 ms
207 ms
Our browser made a total of 133 requests to load all elements on the main page. We found that 95% of them (126 requests) were addressed to the original Keensen.com, 3% (4 requests) were made to Maps.googleapis.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (5.9 sec) belongs to the original domain Keensen.com.
Page size can be reduced by 573.7 kB (9%)
6.7 MB
6.1 MB
In fact, the total size of Keensen.com main page is 6.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 6.2 MB which makes up the majority of the site volume.
Potential reduce by 47.3 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 47.3 kB or 84% of the original size.
Potential reduce by 239.6 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. Keen Sen images are well optimized though.
Potential reduce by 253.7 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 253.7 kB or 64% of the original size.
Potential reduce by 33.1 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. Keensen.com needs all CSS files to be minified and compressed as it can save up to 33.1 kB or 82% of the original size.
Number of requests can be reduced by 36 (27%)
131
95
The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Keen Sen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
keensen.com
622 ms
resetcommon.css
627 ms
index.css
548 ms
NSW_Index.js
882 ms
skitter.styles.min.css
207 ms
jquery.easing.1.3.js
285 ms
jquery.skitter.min.js
611 ms
rollup.min.js
219 ms
js
58 ms
jquery.lazyload.min.js
206 ms
tb03.png
75 ms
topbj.jpg
96 ms
ss.jpg
96 ms
nav.jpg
96 ms
20170207151936_1562.png
200 ms
20170331160035_5302.jpg
812 ms
20170315133458_4351.jpg
2127 ms
20170315133508_0036.jpg
2048 ms
for_03.jpg
200 ms
for_05.jpg
608 ms
for_07.jpg
358 ms
20170327115607_3606.jpg
938 ms
20170325115444_1422.jpg
984 ms
20200629204337_7131.jpg
5385 ms
20170707100129_4545.jpg
1187 ms
20201202162007_0921.jpg
1343 ms
20201202161435_2639.jpg
3471 ms
20201202160120_5673.jpg
1734 ms
20201202155141_6035.jpg
4127 ms
w1.jpg
2078 ms
wimg1.jpg
3079 ms
wimg2.jpg
2671 ms
wimg3.jpg
2735 ms
wimg4.jpg
3251 ms
w2.jpg
3282 ms
20201210111303_7762.jpg
3688 ms
20201223090205_9312.jpg
4080 ms
20240325115120_1430.jpg
5899 ms
20170307133844_8122.jpg
4204 ms
20170307133830_7224.jpg
4268 ms
20170307133809_4582.jpg
4345 ms
20170307133749_3781.jpg
4407 ms
20170307133728_4549.jpg
4815 ms
20240325140406_9914.jpg
4752 ms
tou_03.jpg
4769 ms
tou_06.jpg
4783 ms
tour_14.jpg
4830 ms
20170217182248_3906.jpg
4893 ms
20180522083430_8887.jpg
4925 ms
for_13.jpg
244 ms
for_15.jpg
198 ms
probj.jpg
1042 ms
pro.jpg
213 ms
pro_07.jpg
229 ms
pro_11.jpg
244 ms
pro_03.jpg
376 ms
tm.png
424 ms
cas_03.jpg
437 ms
cas_18.jpg
469 ms
wibj.jpg
468 ms
why_03.jpg
1008 ms
why_06.jpg
758 ms
gu.jpg
754 ms
guang.jpg
816 ms
tm1.png
754 ms
place
289 ms
ftbj.jpg
1013 ms
gas-1.10.1.min.js
246 ms
ajax.ashx
4871 ms
tour_10.jpg
997 ms
ajax.ashx
4746 ms
ajax.ashx
4965 ms
js
34 ms
20170217182222_7812.jpg
4712 ms
search.js
4 ms
geometry.js
7 ms
main.js
11 ms
20170217160025_0312.jpg
4541 ms
20170217161128_1406.jpg
4448 ms
20170217161433_2500.jpg
4305 ms
20170217161511_1406.jpg
4321 ms
20170217161543_2500.jpg
4196 ms
20170217161620_2187.jpg
4118 ms
20170217161642_4218.jpg
3884 ms
20170217161714_0312.jpg
3477 ms
20170217161802_0000.jpg
3523 ms
20170217161829_8593.jpg
4745 ms
20170217162047_5625.jpg
2995 ms
20170217162119_1562.jpg
3024 ms
20170217162154_5312.jpg
2728 ms
20170217162246_4687.jpg
2775 ms
20170217162312_5937.jpg
2602 ms
20170217162345_3593.jpg
2491 ms
20201210114726_3807.jpg
2336 ms
20201210114444_4992.jpg
1991 ms
20201210114127_9388.jpg
2431 ms
20201210113848_2881.jpg
1946 ms
20201221110904_4289.jpg
1914 ms
20170217181814_8906.jpg
2528 ms
20170217181850_8281.jpg
1916 ms
20170217181914_3281.jpg
1680 ms
20170217182000_1718.jpg
1757 ms
20170217182024_7343.jpg
1853 ms
20201210111921_8117.jpg
1961 ms
20170222140233_4375.jpg
2039 ms
20170222140130_6093.jpg
3745 ms
20170222131229_1406.jpg
2086 ms
20170222140008_7812.jpg
2162 ms
20170222140036_5625.jpg
2286 ms
20170222140103_8906.jpg
3024 ms
20170222140202_6562.jpg
4926 ms
20170222140259_7031.jpg
2209 ms
20170214150219_9531.jpg
2179 ms
20220222095152_4056.jpg
2491 ms
20220222095640_5538.jpg
2571 ms
20220222095856_3052.jpg
2694 ms
20220222100042_5726.png
3225 ms
20170511150649_9739.jpg
3211 ms
20170511150619_1794.jpg
3351 ms
fin_09.jpg
3274 ms
fin_12.jpg
3259 ms
fin_17.jpg
3212 ms
ft_03.jpg
3132 ms
ft_05.jpg
3147 ms
ft_07.jpg
3069 ms
fd_02.jpg
3054 ms
fd_03.jpg
2994 ms
fd_06.jpg
2944 ms
fd_08.jpg
3007 ms
20170509141446_9532.jpg
2961 ms
fd_10.jpg
2898 ms
btn2.png
2867 ms
btn3.png
2726 ms
keensen.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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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.
keensen.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
Browser errors were logged to the console
keensen.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
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 doesn't use legible font sizes
Tap targets are not sized appropriately
![]()
EN
![]()
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Keensen.com 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 Chinese language. Our system also found out that Keensen.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.
keensen.com
Open Graph description is not detected on the main page of Keen Sen. 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: