17.4 sec in total
3.6 sec
13.4 sec
350 ms
Welcome to bbs.21js.com homepage info - get ready to check Bbs 21 Js best content for China right away, or after learning these important things about bbs.21js.com
Visit bbs.21js.comWe analyzed Bbs.21js.com page load time and found that the first response time was 3.6 sec and then it took 13.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
bbs.21js.com performance score
name
value
score
weighting
Value2.3 s
75/100
10%
Value6.3 s
11/100
25%
Value35.3 s
0/100
10%
Value120 ms
97/100
30%
Value0
100/100
15%
Value6.1 s
63/100
10%
3643 ms
584 ms
876 ms
1182 ms
915 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that 55% of them (24 requests) were addressed to the original Bbs.21js.com, 7% (3 requests) were made to Img.21js.com and 7% (3 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (6.4 sec) relates to the external source Img.21js.com.
Page size can be reduced by 242.9 kB (27%)
913.2 kB
670.2 kB
In fact, the total size of Bbs.21js.com main page is 913.2 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. 20% of websites need less resources to load. Images take 606.7 kB which makes up the majority of the site volume.
Potential reduce by 106.6 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 106.6 kB or 88% of the original size.
Potential reduce by 26.0 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. Bbs 21 Js images are well optimized though.
Potential reduce by 105.8 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 105.8 kB or 59% of the original size.
Potential reduce by 4.4 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. Bbs.21js.com needs all CSS files to be minified and compressed as it can save up to 4.4 kB or 76% of the original size.
Number of requests can be reduced by 17 (41%)
41
24
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bbs 21 Js. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
bbs.21js.com
3643 ms
scap.js
584 ms
ShowProcessBar.js
876 ms
datetime.js
1182 ms
CheckDatetime.js
915 ms
m.js
1047 ms
style.css
646 ms
Style.css
1223 ms
1_10_2_25_65962.jpg
5523 ms
bbs.21js.com
5801 ms
newyear2014.jpg
2435 ms
362013.gif
364 ms
352013.gif
600 ms
search1.gif
609 ms
yingx2013.jpg
1000 ms
rediannew2013-2.jpg
1238 ms
yuyuan.jpg
1880 ms
tip.gif
952 ms
0021.gif
1262 ms
multipage.gif
1325 ms
002.gif
1556 ms
30_8_38_13_30916.jpg
3416 ms
22_10_50_43_19607.jpg
6380 ms
bg1.jpg
1236 ms
ccgm
1979 ms
0023.gif
1067 ms
stat.php
1738 ms
bottom_bg.gif
1239 ms
0f000rLa9ney_FZe3o_Z8f.jpg
1360 ms
searchbg.gif
319 ms
datetime.gif
330 ms
ccgm
489 ms
slide.js
479 ms
0f000Zf2TxZKpgAafiSJVs.jpg
1739 ms
0f000Zf2TXgKpgAafiSJ8s.jpg
2152 ms
stat.htm
169 ms
core.php
1863 ms
9.gif
1752 ms
pic.gif
1834 ms
app.gif
766 ms
o.htm
1287 ms
wh.js
747 ms
ac.js
499 ms
fp.htm
437 ms
bbs.21js.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.
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
<input type="image"> elements do not have [alt] text
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
bbs.21js.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Browser errors were logged to the console
bbs.21js.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
N/A
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bbs.21js.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Bbs.21js.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.
bbs.21js.com
Open Graph description is not detected on the main page of Bbs 21 Js. 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: