18.2 sec in total
1.5 sec
16.4 sec
244 ms
Visit bdqnht.cn now to see the best up-to-date Bdqnht content and also check out these interesting facts you probably never knew about bdqnht.cn
北大青鸟华腾校区Tel:4000-777-016,北大青鸟计算机网络工程师及管理员培训校区,专注于电脑网络管理、安全等方面专业IT人才培训,教学质量优。北大青鸟强大的师资队伍,1400项教学标准,完善就业体系,部份学员入职奥运企业及外企,参与奥运网络项目,毕业颁发北大青鸟总部国际认证、国家劳动部认证、推荐到国内知名IT企业就业。
Visit bdqnht.cnWe analyzed Bdqnht.cn page load time and found that the first response time was 1.5 sec and then it took 16.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
bdqnht.cn performance score
name
value
score
weighting
Value1.3 s
98/100
10%
Value4.5 s
38/100
25%
Value11.9 s
4/100
10%
Value1,430 ms
15/100
30%
Value0.076
95/100
15%
Value9.8 s
28/100
10%
1501 ms
521 ms
541 ms
1433 ms
586 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 56% of them (45 requests) were addressed to the original Bdqnht.cn, 7% (6 requests) were made to Pub.idqqimg.com and 5% (4 requests) were made to Lxbjs.baidu.com. The less responsive or slowest element that took the longest time to load (8.6 sec) relates to the external source M8101.talk99.cn.
Page size can be reduced by 212.0 kB (47%)
451.5 kB
239.5 kB
In fact, the total size of Bdqnht.cn main page is 451.5 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. 30% of websites need less resources to load. Javascripts take 244.3 kB which makes up the majority of the site volume.
Potential reduce by 55.1 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. 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 55.1 kB or 75% of the original size.
Potential reduce by 18.9 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. Obviously, Bdqnht needs image optimization as it can save up to 18.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 122.2 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 122.2 kB or 50% of the original size.
Potential reduce by 15.9 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. Bdqnht.cn needs all CSS files to be minified and compressed as it can save up to 15.9 kB or 81% of the original size.
Number of requests can be reduced by 25 (32%)
78
53
The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bdqnht. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.
bdqnht.cn
1501 ms
indexnew.css
521 ms
shoujipd.js
541 ms
jquery-1.9.1.min.js
1433 ms
ajaxcity.jquery.js
586 ms
stat.php
2577 ms
10045574.js
674 ms
wpa.php
857 ms
wpa.php
4075 ms
vdimgck.php
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new_09.gif
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new_xyt.gif
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defaultpic.gif
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0zhongjiankuang.png
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stat.htm
163 ms
core.php
1486 ms
9.gif
990 ms
talk99.css
461 ms
talk99.js
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button_111.gif
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button_111.gif
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h.js
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plat_foot.gif
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Panel.js
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localStorage.js
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app.gif
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lxb.js
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hm.gif
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contains.js
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r.cgi
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ta.php
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crmqq.php
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wpa_first_heart_beat.php
564 ms
wpa_first_heart_beat.php
579 ms
log.gif
234 ms
bdqnht.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
Form elements do not have associated labels
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>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
bdqnht.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
bdqnht.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
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bdqnht.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 Bdqnht.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.
bdqnht.cn
Open Graph description is not detected on the main page of Bdqnht. 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: