10.6 sec in total
1.7 sec
8.8 sec
114 ms
Visit jw.dlvtc.edu.cn now to see the best up-to-date Jw Dlvtc content for United States and also check out these interesting facts you probably never knew about jw.dlvtc.edu.cn
Visit jw.dlvtc.edu.cnWe analyzed Jw.dlvtc.edu.cn page load time and found that the first response time was 1.7 sec and then it took 8.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster. This domain responded with an error, which can significantly jeopardize Jw.dlvtc.edu.cn rating and web reputation
jw.dlvtc.edu.cn performance score
name
value
score
weighting
Value3.7 s
30/100
10%
Value4.6 s
35/100
25%
Value9.5 s
12/100
10%
Value40 ms
100/100
30%
Value0.012
100/100
15%
Value3.9 s
89/100
10%
1715 ms
1893 ms
1252 ms
2765 ms
1254 ms
Our browser made a total of 31 requests to load all elements on the main page. We found that 84% of them (26 requests) were addressed to the original Jw.dlvtc.edu.cn, 16% (5 requests) were made to Jwk.dlvtc.edu.cn. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Jw.dlvtc.edu.cn.
Page size can be reduced by 86.6 kB (35%)
248.7 kB
162.1 kB
In fact, the total size of Jw.dlvtc.edu.cn main page is 248.7 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 5% of websites need less resources to load. Images take 144.5 kB which makes up the majority of the site volume.
Potential reduce by 24.8 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 24.8 kB or 81% of the original size.
Potential reduce by 2.1 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. Jw Dlvtc images are well optimized though.
Potential reduce by 611 B
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 611 B or 53% of the original size.
Potential reduce by 59.2 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. Jw.dlvtc.edu.cn needs all CSS files to be minified and compressed as it can save up to 59.2 kB or 81% of the original size.
Number of requests can be reduced by 6 (24%)
25
19
The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jw Dlvtc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
jw.dlvtc.edu.cn
1715 ms
guest;jsessionid=TTp1WV6GgS4WGjplnhH0pjXwy9QHRg8vcjjGHHwCy6Nf6GPBLQ2q!-1012775194!1456831076745
1893 ms
css.jsp
1252 ms
barebone.jsp
2765 ms
main.css
1254 ms
javascript.js
253 ms
body_bg.gif
254 ms
top.jpg
1500 ms
menu_bg.gif
256 ms
menu_line.gif
255 ms
center_bodybg.gif
496 ms
top.jsp
515 ms
login.jsp
536 ms
block_t1.gif
750 ms
block_t2.gif
749 ms
btn_sevbg.gif
742 ms
center_t1.gif
764 ms
arr.gif
993 ms
center_t2.gif
996 ms
block_t3.gif
993 ms
arr_blue.gif
1002 ms
block_t4.gif
1274 ms
bg_peo.jpg
1235 ms
foot_bg.jpg
1488 ms
body_bg.gif
744 ms
center_bodybg.gif
751 ms
ACTIONLOGON.APPPROCESS
1579 ms
css.css
261 ms
MiniLogonBack.gif
276 ms
ACTIONVALIDATERANDOMPICTURE.APPPROCESS
515 ms
MiniLogon.gif
505 ms
jw.dlvtc.edu.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.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
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
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.
jw.dlvtc.edu.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
jw.dlvtc.edu.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 uses legible font sizes
Tap targets are not sized appropriately
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jw.dlvtc.edu.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 Jw.dlvtc.edu.cn 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.
jw.dlvtc.edu.cn
Open Graph description is not detected on the main page of Jw Dlvtc. 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: