30.1 sec in total
6.3 sec
23.5 sec
360 ms
Click here to check amazing 51 Zbz content for China. Otherwise, check out these important facts you probably never knew about 51zbz.net
我要找标准网www.51zbz.net作为免费标准下载网站致力于收集网络上各类最新最全的国家标准、行业标准,提供标准下载。所有标准免费下载,无需注册,仅供参考。
Visit 51zbz.netWe analyzed 51zbz.net page load time and found that the first response time was 6.3 sec and then it took 23.8 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.
51zbz.net performance score
name
value
score
weighting
Value2.5 s
65/100
10%
Value4.6 s
35/100
25%
Value9.0 s
15/100
10%
Value4,160 ms
1/100
30%
Value0.032
100/100
15%
Value14.3 s
9/100
10%
6318 ms
5823 ms
1197 ms
971 ms
1005 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that 19% of them (9 requests) were addressed to the original 51zbz.net, 19% (9 requests) were made to Pos.baidu.com and 17% (8 requests) were made to Cpro.baidustatic.com. The less responsive or slowest element that took the longest time to load (8.7 sec) relates to the external source Pos.baidu.com.
Page size can be reduced by 375.4 kB (69%)
542.9 kB
167.5 kB
In fact, the total size of 51zbz.net main page is 542.9 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. 30% of websites need less resources to load. Javascripts take 411.8 kB which makes up the majority of the site volume.
Potential reduce by 49.6 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 49.6 kB or 78% of the original size.
Potential reduce by 19.7 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, 51 Zbz needs image optimization as it can save up to 19.7 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 295.0 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 295.0 kB or 72% of the original size.
Potential reduce by 11.2 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. 51zbz.net needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 78% of the original size.
Number of requests can be reduced by 28 (64%)
44
16
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Zbz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
51zbz.net
6318 ms
style.css
5823 ms
cnw.js
1197 ms
f.js
971 ms
c.js
1005 ms
stat.php
2139 ms
icon_rss.gif
5272 ms
logo.gif
3884 ms
ucfm
964 ms
ucfm
1171 ms
ucfm
953 ms
ucfm
1427 ms
a.png
1049 ms
btn_soundon.gif
977 ms
title_bg1.jpg
2374 ms
icon_li4.gif
980 ms
sider_bg1.jpg
2381 ms
title_bg2.jpg
1442 ms
stat.htm
163 ms
core.php
913 ms
insideText.js
493 ms
ucfm
596 ms
xuanfu_close.png
505 ms
9.gif
787 ms
pic.gif
1911 ms
ucfm
1032 ms
ucfm
1316 ms
ucfm
8666 ms
adPic.new.20150909.min.js
85 ms
bot-patch.min.js
53 ms
click.min.js
83 ms
cm
695 ms
adx.php
717 ms
rBEhWlJYrAEIAAAAAAACetYAYQwAAECuwP__W4AAAKS951.png
58 ms
5703df9eNedc1aa52.jpg
99 ms
adx.php
732 ms
app.gif
2066 ms
adx.php
711 ms
5703cbf9N21b63008.jpg
104 ms
emar
661 ms
55e40d3fN2a01189f.png
29 ms
cpro.js
739 ms
adx.php
340 ms
icon_12px.png
521 ms
reduce_bd-logo1_oper.png
496 ms
closefeedback.min.js
523 ms
ucfm
681 ms
51zbz.net accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
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
51zbz.net best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
51zbz.net 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 51zbz.net 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 51zbz.net 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.
51zbz.net
Open Graph description is not detected on the main page of 51 Zbz. 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: