37.7 sec in total
8.3 sec
28.9 sec
535 ms
Visit verysource.com now to see the best up-to-date Very Source content for China and also check out these interesting facts you probably never knew about verysource.com
领先的源码共享下载网站,20万源码免费下载,内容涵盖:网站源码,C,VC,VC++,Java,PHP,C++,C#,Python,ASPX,.NET,JSP,VB,Delphi,JavaScript,行业源码
Visit verysource.comWe analyzed Verysource.com page load time and found that the first response time was 8.3 sec and then it took 29.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
verysource.com performance score
name
value
score
weighting
Value4.8 s
12/100
10%
Value4.8 s
31/100
25%
Value31.2 s
0/100
10%
Value2,130 ms
6/100
30%
Value0.043
99/100
15%
Value13.8 s
10/100
10%
8265 ms
11017 ms
760 ms
1523 ms
761 ms
Our browser made a total of 110 requests to load all elements on the main page. We found that 56% of them (62 requests) were addressed to the original Verysource.com, 9% (10 requests) were made to Cpro.baidustatic.com and 5% (6 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (11 sec) belongs to the original domain Verysource.com.
Page size can be reduced by 309.6 kB (57%)
542.8 kB
233.2 kB
In fact, the total size of Verysource.com main page is 542.8 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. 40% of websites need less resources to load. Javascripts take 412.4 kB which makes up the majority of the site volume.
Potential reduce by 70.8 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 70.8 kB or 83% of the original size.
Potential reduce by 1.6 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. Very Source images are well optimized though.
Potential reduce by 223.2 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 223.2 kB or 54% of the original size.
Potential reduce by 13.9 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. Verysource.com needs all CSS files to be minified and compressed as it can save up to 13.9 kB or 80% of the original size.
Number of requests can be reduced by 51 (48%)
106
55
The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Very Source. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
verysource.com
8265 ms
www.verysource.com
11017 ms
global.css
760 ms
layout.css
1523 ms
form.css
761 ms
css4cnltreemenu.css
787 ms
js4cnltreemenu.js
1223 ms
is_login.php
1147 ms
search.js
1521 ms
body_bg.jpg
1527 ms
en.gif
4053 ms
logo.jpg
745 ms
search_button.gif
357 ms
menu_title_left_bg.gif
388 ms
menu_title_right_bg.gif
731 ms
menu_title_bg.gif
811 ms
menu_title_txt_bg.gif
2296 ms
java.gif
684 ms
php.gif
685 ms
c.gif
684 ms
vb.gif
685 ms
csharp.gif
1009 ms
python.gif
1011 ms
perl.gif
1016 ms
delphi.gif
1042 ms
javascript.gif
1187 ms
objective_c.gif
1493 ms
sql.gif
1498 ms
pascal.gif
1498 ms
actionscript.gif
1501 ms
lisp_scheme.gif
1509 ms
matlab.gif
1553 ms
fortran.gif
1935 ms
tcl_tk.gif
1939 ms
vhdl.gif
1940 ms
vc.gif
1945 ms
bc.gif
1955 ms
vbsccript.gif
1957 ms
asm.gif
2312 ms
asp.gif
2325 ms
html.gif
2331 ms
s.gif
2313 ms
closed.gif
2342 ms
opened.gif
2306 ms
child.gif
7257 ms
labview.gif
3405 ms
vfp.gif
3030 ms
word.gif
3261 ms
ppt.gif
2383 ms
pdf.gif
2405 ms
other.gif
2842 ms
adsbygoogle.js
107 ms
menu1_title_left_bg.gif
2743 ms
menu1_title_right_bg.gif
3129 ms
menu1_title_bg.gif
3155 ms
new.gif
3288 ms
ca-pub-9609188192387119.js
107 ms
zrt_lookup.html
108 ms
show_ads_impl.js
121 ms
hot.gif
3406 ms
ads
329 ms
osd.js
12 ms
f.js
1053 ms
google_analytics.js
3239 ms
good.gif
3247 ms
boy.gif
3326 ms
footer_bg.jpg
3328 ms
a_t.gif
3545 ms
dot.gif
4766 ms
css
96 ms
m_js_controller.js
76 ms
abg.js
81 ms
favicon
176 ms
mobile_unified_button_icon_white.png
134 ms
googlelogo_color_112x36dp.png
87 ms
x_button_blue2.png
74 ms
s
44 ms
PuwvqkdbcqU-fCZ9Ed-b7S3USBnSvpkopQaUR-2r7iU.ttf
61 ms
j6SDDiQit5YY48GNgPpnCluJgoNCzbKlh5o6eVjReZI.js
5 ms
tcom
969 ms
activeview
142 ms
tcom
1352 ms
tcom
2254 ms
cpro.js
1100 ms
adx.php
610 ms
0f000KibjXK9adOtW_YO36.jpg
535 ms
ga.js
18 ms
h.js
488 ms
__utm.gif
20 ms
sync.htm
500 ms
time2.js
517 ms
21.gif
732 ms
hm.gif
1215 ms
cpro.js
717 ms
adx.php
307 ms
icon_12px.png
551 ms
sync_pos.htm
902 ms
bg.png
512 ms
reduce_bd-logo1_oper.png
273 ms
sync2r.htm
872 ms
closefeedback.min.js
518 ms
reduce_promotion_oper.png
475 ms
bd_logo.png
524 ms
bg_rb.png
525 ms
o.htm
2201 ms
ui
103 ms
hm.gif
291 ms
ac.js
511 ms
wh.js
830 ms
fp.htm
232 ms
verysource.com 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
<input type="image"> elements do not have [alt] text
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
verysource.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
verysource.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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Verysource.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 Verysource.com 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.
verysource.com
Open Graph description is not detected on the main page of Very Source. 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: