38.5 sec in total
1 sec
37.1 sec
370 ms
Click here to check amazing Szlitong content. Otherwise, check out these important facts you probably never knew about szlitong.com.cn
深圳市立通电子技术有限公司创建于2002年,主要代理销售华为技术有限公司的华为eSpaceU1900系列语音网关、eSpace7900系列IP电话机、eSpace8950视频电话机等通信设备及终端、数据通信设备、光传输设备、配线设备、华为UPS不间断电源、室内外电力通信电源以及方位通讯终端产品,维谛技术有限公司的各种电源设备、机房专用精密空调设备,维谛UPS不间断电源等。
Visit szlitong.com.cnWe analyzed Szlitong.com.cn page load time and found that the first response time was 1 sec and then it took 37.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
szlitong.com.cn performance score
name
value
score
weighting
Value1.8 s
90/100
10%
Value3.8 s
56/100
25%
Value6.2 s
43/100
10%
Value10 ms
100/100
30%
Value0.006
100/100
15%
Value2.2 s
99/100
10%
1008 ms
240 ms
484 ms
483 ms
484 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that 39% of them (22 requests) were addressed to the original Szlitong.com.cn, 50% (28 requests) were made to Szlitong.com.cn.hk01.51cdngo.com and 5% (3 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Szlitong.com.cn.hk01.51cdngo.com.
Page size can be reduced by 129.7 kB (65%)
200.9 kB
71.2 kB
In fact, the total size of Szlitong.com.cn main page is 200.9 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. 15% of websites need less resources to load. Javascripts take 121.7 kB which makes up the majority of the site volume.
Potential reduce by 29.7 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 14.9 kB, which is 43% 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 29.7 kB or 85% of the original size.
Potential reduce by 1.5 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. Szlitong images are well optimized though.
Potential reduce by 81.0 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 81.0 kB or 67% of the original size.
Potential reduce by 17.5 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. Szlitong.com.cn needs all CSS files to be minified and compressed as it can save up to 17.5 kB or 81% of the original size.
Number of requests can be reduced by 13 (43%)
30
17
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Szlitong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
szlitong.com.cn
1008 ms
style.css
240 ms
common.css
484 ms
jquery.min.js
483 ms
Functions.js
484 ms
FocusSlide.js
518 ms
ScrollPic.js
518 ms
iepngfix_tilebg.js
519 ms
govicon.js
19932 ms
ServiceCenter.js
715 ms
style.css
4240 ms
jquery.min.js
3666 ms
common.css
1687 ms
Functions.js
1764 ms
FocusSlide.js
1732 ms
ScrollPic.js
2806 ms
iepngfix_tilebg.js
4363 ms
ServiceCenter.js
2044 ms
2014122414241.png
293 ms
top_bg1.jpg
496 ms
focus_bg1.jpg
880 ms
slider-arrow.png
1900 ms
more.png
308 ms
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303 ms
201541318055.jpg
309 ms
contact.jpg
303 ms
rss_icon.gif
308 ms
xml_icon.gif
483 ms
body_bg1.jpg
4286 ms
box_titlebg.png
390 ms
pro_bg.gif
11053 ms
bottom_bg.jpg
790 ms
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274 ms
2014122414241.png
2970 ms
2015327172338.jpg
4558 ms
contact.jpg
3843 ms
more.png
2101 ms
201541318055.jpg
18568 ms
rss_icon.gif
3419 ms
hm.js
450 ms
xml_icon.gif
3697 ms
2015121171524.jpg
19554 ms
hm.gif
229 ms
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279 ms
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19672 ms
qqbg.gif
238 ms
qqbg.gif
6117 ms
button_old_11.gif
469 ms
button_old_11.gif
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497 ms
szlitong.com.cn 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
Image elements do not have [alt] attributes
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
szlitong.com.cn 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
szlitong.com.cn SEO score
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
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Szlitong.com.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Szlitong.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.
szlitong.com.cn
Open Graph description is not detected on the main page of Szlitong. 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: