21.8 sec in total
3.1 sec
18.4 sec
262 ms
Visit 17.com.cn now to see the best up-to-date 17 content and also check out these interesting facts you probably never knew about 17.com.cn
英国abi是集成电路测试仪,电路板故障检测仪,电路板维修测试仪设备的制造商,北京金三航科技发展有限公司是英国abi中国区总代理,专业代理销售集成电路测试仪,电路板故障检测仪,电路板反求系统,边界扫描测试仪等产品;负责英国abi产品的技术服务和技术支持;提供英国abi产品的技术交流/视频演示和测试程序的定制服务。
Visit 17.com.cnWe analyzed 17.com.cn page load time and found that the first response time was 3.1 sec and then it took 18.6 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.
17.com.cn performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value8.8 s
1/100
25%
Value8.4 s
18/100
10%
Value990 ms
27/100
30%
Value0.974
2/100
15%
Value9.2 s
32/100
10%
3132 ms
1667 ms
2518 ms
829 ms
2455 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 86% of them (50 requests) were addressed to the original 17.com.cn, 3% (2 requests) were made to Tudou.com and 3% (2 requests) were made to Js.tudouui.com. The less responsive or slowest element that took the longest time to load (11 sec) belongs to the original domain 17.com.cn.
Page size can be reduced by 239.0 kB (46%)
516.0 kB
277.1 kB
In fact, the total size of 17.com.cn main page is 516.0 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 257.6 kB which makes up the majority of the site volume.
Potential reduce by 39.2 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 39.2 kB or 83% of the original size.
Potential reduce by 4.6 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. 17 images are well optimized though.
Potential reduce by 170.7 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 170.7 kB or 66% of the original size.
Potential reduce by 24.4 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. 17.com.cn needs all CSS files to be minified and compressed as it can save up to 24.4 kB or 78% of the original size.
Number of requests can be reduced by 8 (14%)
56
48
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 17. 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 as a result speed up the page load time.
17.com.cn
3132 ms
STYLE.CSS
1667 ms
public.js
2518 ms
date.js
829 ms
abigg.jpg
2455 ms
201062814585926008.jpg
1681 ms
20126411342097408.jpg
10579 ms
20106281545275097.jpg
1870 ms
201313015514576601.jpg
2120 ms
2011101210342392340.jpg
2864 ms
2011101211173286800.jpg
2894 ms
2011101211225025340.jpg
2587 ms
2011101211311829452.jpg
2894 ms
cagg.jpg
3037 ms
201062817532339055.jpg
3877 ms
201062817535297222.gif
3404 ms
201062817552932937.gif
3320 ms
201142316404837623.jpg
3485 ms
8335.gif
6752 ms
at256banner.gif
4930 ms
logo.jpg
459 ms
201092515481370024.gif
11030 ms
bj1.jpg
541 ms
jj.jpg
424 ms
jian_tou.gif
808 ms
x.png
822 ms
dt5000c.gif
1283 ms
BM8500.gif
5650 ms
20087251113495393.jpg
1044 ms
2008521162496269.jpg
1229 ms
201062815394892170.jpg
1244 ms
20106281517574573.jpg
2564 ms
20125289444669759.jpg
1651 ms
2011101210342392340.jpg
1672 ms
2011101211173286800.jpg
1712 ms
20106281533037720.jpg
2072 ms
201062814585926008.jpg
2103 ms
2011101211311829452.jpg
2134 ms
20106281545275097.jpg
2506 ms
20126411385753442.jpg
5214 ms
ss.gif
2574 ms
AT256.gif
3349 ms
201472916313589627.jpg
3573 ms
201472916294489510.jpg
2997 ms
20106291052274472.jpg
3433 ms
201472916255533579.jpg
3786 ms
200952711131742723.jpg
3871 ms
201472916195595462.jpg
5142 ms
201472916281113265.jpg
4208 ms
biaoshi.gif
4296 ms
html5embed.action
2432 ms
main_3.css
3891 ms
lib_6.js
3760 ms
main_12.js
3931 ms
storage.html
7967 ms
v.swf
550 ms
compvlog
1269 ms
youku
1845 ms
17.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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>).
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.
17.com.cn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
17.com.cn 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 doesn't use legible font sizes
Tap targets are not sized appropriately
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 17.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 17.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.
17.com.cn
Open Graph description is not detected on the main page of 17. 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: