6.5 sec in total
775 ms
4.5 sec
1.2 sec
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Zhengzhou Winsen Electronics Technology Co., Ltd.-Professional gas sensing solution supplier with over 30-year gas sensor manufacturing experience, offers innovative semiconductor type, catalytic type...
Visit winsen-sensor.comWe analyzed Winsen-sensor.com page load time and found that the first response time was 775 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
winsen-sensor.com performance score
name
value
score
weighting
Value2.5 s
67/100
10%
Value6.1 s
13/100
25%
Value3.7 s
85/100
10%
Value200 ms
90/100
30%
Value0.027
100/100
15%
Value7.8 s
45/100
10%
775 ms
306 ms
132 ms
192 ms
200 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 57% of them (37 requests) were addressed to the original Winsen-sensor.com, 28% (18 requests) were made to Lr.zoosnet.net and 5% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Lr.zoosnet.net.
Page size can be reduced by 96.7 kB (6%)
1.5 MB
1.4 MB
In fact, the total size of Winsen-sensor.com main page is 1.5 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. 50% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 36.1 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 14.5 kB, which is 34% 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 36.1 kB or 84% of the original size.
Potential reduce by 39.1 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. Winsen Sensor images are well optimized though.
Potential reduce by 8.7 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. This website has mostly compressed JavaScripts.
Potential reduce by 12.8 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. Winsen-sensor.com needs all CSS files to be minified and compressed as it can save up to 12.8 kB or 28% of the original size.
Number of requests can be reduced by 21 (34%)
61
40
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Winsen Sensor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
winsen-sensor.com
775 ms
winsen-sensor.com
306 ms
coverweb.min.css
132 ms
style.css
192 ms
banner.css
200 ms
scroll.css
198 ms
animate.css
201 ms
search_news1.js
249 ms
LsJS.aspx
1721 ms
jquery-2.1.1.min.js
431 ms
coverweb.min.js
432 ms
superfish.js
431 ms
jquery.fitvids.js
430 ms
custom.js
430 ms
gtm.js
210 ms
F1031.jpg
636 ms
ZE25-O3.jpg
642 ms
cn.png
293 ms
ru.png
293 ms
kr-03.png
293 ms
logo.jpg
294 ms
z19c-01.jpg
559 ms
MC105.jpg
519 ms
ME2-CO.jpg
616 ms
mrt311.jpg
519 ms
RD-624.jpg
554 ms
ZE07-CO.jpg
692 ms
ahr.jpg
876 ms
icons.png
554 ms
line01.jpg
553 ms
wsbanner.jpg
849 ms
co2banner.jpg
754 ms
banner4.jpg
736 ms
banner2.jpg
754 ms
banner02.jpg
944 ms
icons1.png
799 ms
icon2.png
816 ms
analytics.js
314 ms
conversion_async.js
278 ms
js
120 ms
118 ms
collect
25 ms
collect
20 ms
collect
70 ms
58 ms
ga-audiences
36 ms
JS5.css
242 ms
JS_Float.aspx
478 ms
im.html
312 ms
offline_en3.gif
514 ms
7.gif
594 ms
left-arrow.png
72 ms
right-arrow.png
72 ms
newsid0.aspx
429 ms
close.png
430 ms
da1.png
552 ms
da.png
660 ms
jiantou.png
635 ms
im.html
626 ms
minioffline160714.aspx
547 ms
minin_en.aspx
224 ms
mini160714JS.aspx
204 ms
lrchatzz.css
209 ms
sign03.png
227 ms
sign04.png
211 ms
winsen-sensor.com accessibility score
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
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
winsen-sensor.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Registers an unload listener
Detected JavaScript libraries
winsen-sensor.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 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 Winsen-sensor.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 Winsen-sensor.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.
winsen-sensor.com
Open Graph description is not detected on the main page of Winsen Sensor. 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: