34.8 sec in total
3.7 sec
30.9 sec
220 ms
Click here to check amazing 9511 content. Otherwise, check out these important facts you probably never knew about 9511.org
最清爽的科研导航,最方便、最快捷、最多科研人使用的上网导航
Visit 9511.orgWe analyzed 9511.org page load time and found that the first response time was 3.7 sec and then it took 31.1 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. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
9511.org performance score
name
value
score
weighting
Value1.6 s
94/100
10%
Value3.2 s
73/100
25%
Value5.3 s
58/100
10%
Value100 ms
98/100
30%
Value0
100/100
15%
Value4.5 s
82/100
10%
3675 ms
4897 ms
1157 ms
800 ms
1192 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 35% of them (19 requests) were addressed to the original 9511.org, 19% (10 requests) were made to V2.jiathis.com and 11% (6 requests) were made to Cpro.baidustatic.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source 114la.com.
Page size can be reduced by 270.0 kB (62%)
435.9 kB
166.0 kB
In fact, the total size of 9511.org main page is 435.9 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. 25% of websites need less resources to load. Javascripts take 238.6 kB which makes up the majority of the site volume.
Potential reduce by 45.8 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 45.8 kB or 77% of the original size.
Potential reduce by 20.7 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, 9511 needs image optimization as it can save up to 20.7 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 140.5 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 140.5 kB or 59% of the original size.
Potential reduce by 63.0 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. 9511.org needs all CSS files to be minified and compressed as it can save up to 63.0 kB or 85% of the original size.
Number of requests can be reduced by 29 (57%)
51
22
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 9511. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.
9511.org
3675 ms
style.css
4897 ms
c.js
1157 ms
tongji.js
800 ms
stat.php
1192 ms
main.js
9377 ms
jiathis_r.js
684 ms
ws.css
1850 ms
20164 ms
bg.png
1531 ms
baidu.png
999 ms
email.gif
1093 ms
uclm
1479 ms
meituan.gif
948 ms
hot.gif
949 ms
ico_jd.png
1446 ms
ico_yhd.png
1451 ms
vipshop.gif
1459 ms
google.gif
1536 ms
sina.gif
1929 ms
netease.gif
3323 ms
tencent.gif
3220 ms
iqiyi.gif
3221 ms
u39.gif
2064 ms
zs.gif
2413 ms
tongji.do
1107 ms
stat.htm
258 ms
core.php
1454 ms
uclm
1485 ms
9.gif
5063 ms
adx.php
992 ms
reduce_bd-logo1_oper.png
511 ms
closefeedback.min.js
522 ms
reduce_promotion_oper.png
481 ms
bd_logo.png
513 ms
bg_rb.png
513 ms
jiathis_utility.html
7 ms
jiathis_share.css
17 ms
ckepop.js
9 ms
ckecenterpop.js
8 ms
plugin.client.js
6 ms
r1.gif
13 ms
img_exit.gif
26 ms
juejinlian.js
3548 ms
jj
2038 ms
md.js
1522 ms
img_012.gif
18 ms
jiathis_ico.png
43 ms
app.gif
2180 ms
jj
514 ms
o.htm
978 ms
wh.js
763 ms
ac.js
524 ms
fp.htm
728 ms
9511.org 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
Form elements do not have associated labels
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
9511.org 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
Issues were logged in the Issues panel in Chrome Devtools
9511.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 9511.org 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 9511.org 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.
9511.org
Open Graph description is not detected on the main page of 9511. 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: