22 sec in total
935 ms
20.6 sec
538 ms
Welcome to 21bjp.com homepage info - get ready to check 21 Bjp best content right away, or after learning these important things about 21bjp.com
21保健品网是保健品行业重要网络媒体、全国专业的保健品招商平台,提供保健品招商代理,保健品代加工、新闻资讯、批文、企业名录、经销商库查询等服务。
Visit 21bjp.comWe analyzed 21bjp.com page load time and found that the first response time was 935 ms and then it took 21.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
21bjp.com performance score
name
value
score
weighting
Value2.9 s
52/100
10%
Value7.7 s
3/100
25%
Value9.2 s
13/100
10%
Value390 ms
68/100
30%
Value0.002
100/100
15%
Value6.0 s
64/100
10%
935 ms
1605 ms
375 ms
845 ms
878 ms
Our browser made a total of 173 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original 21bjp.com, 98% (169 requests) were made to Bjspw.com and 1% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (5.4 sec) relates to the external source Bjspw.com.
Page size can be reduced by 141.0 kB (14%)
990.6 kB
849.5 kB
In fact, the total size of 21bjp.com main page is 990.6 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 759.7 kB which makes up the majority of the site volume.
Potential reduce by 109.8 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. This page needs HTML code to be minified as it can gain 15.0 kB, which is 12% 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 109.8 kB or 85% of the original size.
Potential reduce by 14.1 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. 21 Bjp images are well optimized though.
Potential reduce by 15.2 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 15.2 kB or 16% of the original size.
Potential reduce by 2.0 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. 21bjp.com needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 25% of the original size.
Number of requests can be reduced by 18 (11%)
171
153
The browser has sent 171 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 21 Bjp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
21bjp.com
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21bjp.com 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.
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
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.
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
Form elements do not have associated labels
Links do not have a discernible name
21bjp.com 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
21bjp.com 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
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 21bjp.com 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 21bjp.com 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.
21bjp.com
Open Graph description is not detected on the main page of 21 Bjp. 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: