11.7 sec in total
2.1 sec
9.3 sec
329 ms
Welcome to chinaoptic.com.cn homepage info - get ready to check Chinaoptic best content for China right away, or after learning these important things about chinaoptic.com.cn
光学精密机械网是集光学,机械和电子技术及资讯的综合网站,并提供光学软件,机械软件等下载.
Visit chinaoptic.com.cnWe analyzed Chinaoptic.com.cn page load time and found that the first response time was 2.1 sec and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
chinaoptic.com.cn performance score
2065 ms
674 ms
722 ms
429 ms
671 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 79% of them (31 requests) were addressed to the original Chinaoptic.com.cn, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (4.4 sec) relates to the external source Js.users.51.la.
Page size can be reduced by 112.4 kB (57%)
198.3 kB
85.9 kB
In fact, the total size of Chinaoptic.com.cn main page is 198.3 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. Only 10% of websites need less resources to load. HTML takes 88.1 kB which makes up the majority of the site volume.
Potential reduce by 72.5 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 72.5 kB or 82% of the original size.
Potential reduce by 32 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. Chinaoptic images are well optimized though.
Potential reduce by 9.0 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 9.0 kB or 46% of the original size.
Potential reduce by 30.9 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. Chinaoptic.com.cn needs all CSS files to be minified and compressed as it can save up to 30.9 kB or 79% of the original size.
Number of requests can be reduced by 21 (66%)
32
11
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chinaoptic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
chinaoptic.com.cn
2065 ms
css.css
674 ms
js.js
722 ms
main.css
429 ms
index.css
671 ms
ad.css
690 ms
top.css
694 ms
list.css
1743 ms
sublist.css
1039 ms
page.css
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soft.css
1086 ms
pic.css
1381 ms
flash.css
1426 ms
1301453.js
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stat.php
1581 ms
urchin.js
22 ms
topnav.gif
341 ms
logo.gif
446 ms
firefox569_80.gif
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more.gif
432 ms
ad1.gif
430 ms
photoshopcs2.gif
599 ms
indexbanner.gif
758 ms
dw8.jpg
773 ms
zhaopin.jpg
804 ms
reddot.gif
801 ms
arrow.gif
1898 ms
ico.gif
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ch0108.jpg
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search_icon.gif
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search.png
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bg_input.gif
1989 ms
ar.gif
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dotli.gif
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stat.htm
246 ms
core.php
1341 ms
9.gif
712 ms
__utm.gif
11 ms
app.gif
756 ms
chinaoptic.com.cn SEO score
ZH
ZH
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chinaoptic.com.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Chinaoptic.com.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
chinaoptic.com.cn
Open Graph description is not detected on the main page of Chinaoptic. 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: