59.2 sec in total
5 sec
54 sec
218 ms
Visit 91ctc.com now to see the best up-to-date 91 Ctc content and also check out these interesting facts you probably never knew about 91ctc.com
中国计算机教程中心网,提供网页设计和样式,DIV+CSS布局,PHP教程,FLASH动画设计,平面设计,Javascript教程和网页特效,数据库,CentOS教程等方面技术分享,为计算机爱好者打造优秀的学习平台。
Visit 91ctc.comWe analyzed 91ctc.com page load time and found that the first response time was 5 sec and then it took 54.2 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.
91ctc.com performance score
name
value
score
weighting
Value1.9 s
86/100
10%
Value2.1 s
96/100
25%
Value3.5 s
88/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.9 s
99/100
10%
5024 ms
733 ms
3882 ms
2951 ms
4709 ms
Our browser made a total of 84 requests to load all elements on the main page. We found that 10% of them (8 requests) were addressed to the original 91ctc.com, 10% (8 requests) were made to Cpro.baidustatic.com and 10% (8 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source T11.baidu.com.
Page size can be reduced by 344.3 kB (45%)
762.1 kB
417.8 kB
In fact, the total size of 91ctc.com main page is 762.1 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. 35% of websites need less resources to load. Javascripts take 426.0 kB which makes up the majority of the site volume.
Potential reduce by 51.8 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 51.8 kB or 81% of the original size.
Potential reduce by 23.8 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. 91 Ctc images are well optimized though.
Potential reduce by 262.4 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 262.4 kB or 62% of the original size.
Potential reduce by 6.2 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. 91ctc.com needs all CSS files to be minified and compressed as it can save up to 6.2 kB or 83% of the original size.
Number of requests can be reduced by 39 (49%)
80
41
The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 91 Ctc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.
www.91ctc.com
5024 ms
index.css
733 ms
f.js
3882 ms
l.js
2951 ms
c.js
4709 ms
body_bg.jpg
583 ms
91ctclogo.gif
601 ms
c.js
2295 ms
stat.php
4117 ms
hcym
713 ms
bg_nav.jpg
15034 ms
line_navfenge.png
753 ms
bg_nav_ahover.jpg
605 ms
ask
1737 ms
ask_service
1592 ms
hcym
1140 ms
hcym
1341 ms
cpro.js
1713 ms
adx.php
1251 ms
icon_12px.png
1508 ms
adx.php
1462 ms
ct
15608 ms
pe.js
235 ms
hcym
437 ms
hcym
636 ms
title_bg.jpg
1279 ms
ask
1050 ms
log_print
884 ms
hcym
1771 ms
hcym
2713 ms
lu_hot_word.png
451 ms
reduce_bd-logo1_oper.png
515 ms
adx.php
647 ms
ct
12807 ms
lm.jpg
2235 ms
h.js
1411 ms
closefeedback.min.js
467 ms
reduce_promotion_oper.png
467 ms
bd_logo.png
459 ms
bg_rb.png
470 ms
adx.php
1236 ms
hm.gif
345 ms
stat.htm
162 ms
core.php
1583 ms
qi
2023 ms
u=1347702142,1573644008&fm=76
19887 ms
u=1944008975,2638008404&fm=76
8674 ms
u=3368951556,4043839689&fm=76
4301 ms
u=1452881677,647794863&fm=76
19882 ms
u=221514205,83900963&fm=76
2191 ms
u=1104669580,1281769897&fm=76
19881 ms
u=293689204,4292019486&fm=76
5413 ms
9.gif
4141 ms
pic.gif
1173 ms
t.js
2774 ms
t.js
2992 ms
t.gif
2416 ms
t.gif
3637 ms
qqcm
1630 ms
tj.gif
765 ms
hm.gif
346 ms
t-popup-fold.svg
916 ms
u=2950149805,238957304&fm=72
20308 ms
u=2900759758,253340645&fm=72
20308 ms
u=1678699497,3858925184&fm=72
20308 ms
u=2713064967,15399934&fm=72
20308 ms
t-popup-unfold.svg
4123 ms
t-change.svg
1891 ms
tj.gif
640 ms
hm.gif
565 ms
pixel
518 ms
tj.gif
530 ms
hm.gif
1546 ms
t-list-styles.svg
1958 ms
tj.gif
517 ms
hm.gif
698 ms
app.gif
1181 ms
pixel
427 ms
sogou_icon_wz_1.png
4757 ms
fc.js
233 ms
o.htm
355 ms
wh.js
736 ms
ac.js
489 ms
hm.gif
525 ms
91ctc.com accessibility score
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
<object> elements do not have alternate text
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
91ctc.com 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
General
Impact
Issue
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
91ctc.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
Document uses plugins
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 91ctc.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 91ctc.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.
91ctc.com
Open Graph description is not detected on the main page of 91 Ctc. 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: