46.8 sec in total
12.8 sec
33.5 sec
515 ms
Click here to check amazing Codes 51 content for China. Otherwise, check out these important facts you probably never knew about codes51.com
当地时间2023年08月12日 19:15日晚,科达制造(600499.SH):择机协同境外资源启动5万吨负极材料的海外产能建设。
Visit codes51.comWe analyzed Codes51.com page load time and found that the first response time was 12.8 sec and then it took 34 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
codes51.com performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value6.5 s
8/100
25%
Value10.4 s
8/100
10%
Value130 ms
96/100
30%
Value0
100/100
15%
Value7.7 s
45/100
10%
12802 ms
3803 ms
7362 ms
6987 ms
2023 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 14% of them (8 requests) were addressed to the original Codes51.com, 25% (15 requests) were made to Pos.baidu.com and 14% (8 requests) were made to Cpro.baidustatic.com. The less responsive or slowest element that took the longest time to load (12.8 sec) belongs to the original domain Codes51.com.
Page size can be reduced by 287.8 kB (62%)
464.8 kB
176.9 kB
In fact, the total size of Codes51.com main page is 464.8 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. 30% of websites need less resources to load. Javascripts take 315.5 kB which makes up the majority of the site volume.
Potential reduce by 72.4 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 23.0 kB, which is 27% 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 72.4 kB or 86% of the original size.
Potential reduce by 10.0 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. Obviously, Codes 51 needs image optimization as it can save up to 10.0 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 205.4 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 205.4 kB or 65% of the original size.
Number of requests can be reduced by 27 (53%)
51
24
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Codes 51. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
codes51.com
12802 ms
www.codes51.com
3803 ms
Site.css
7362 ms
jquery-1.4.2.min.js
6987 ms
uaredirect.js
2023 ms
c.js
1084 ms
f.js
779 ms
blank
38 ms
935b4ad83db9b95498d47aff14a753f4
3199 ms
topbg.jpg
9232 ms
logo.jpg
1756 ms
fcem
850 ms
fcem
957 ms
fcem
1124 ms
dotli.gif
427 ms
fcem
1213 ms
fcem
1360 ms
footbg.jpg
794 ms
h.js
1408 ms
fcem
2048 ms
fcem
2032 ms
fcem
3368 ms
fcem
1262 ms
fcem
664 ms
21.gif
864 ms
hm.gif
305 ms
z_stat.php
1830 ms
adx.php
776 ms
reduce_bd-logo1_oper.png
504 ms
adx.php
672 ms
pixel
87 ms
bg.png
475 ms
adx.php
807 ms
adx.php
766 ms
pixel
18 ms
gpixel
556 ms
sync.htm
490 ms
adx.php
1178 ms
closefeedback.min.js
505 ms
sync_pos.htm
486 ms
stat.htm
181 ms
core.php
960 ms
reduce_promotion_oper.png
274 ms
bd_logo.png
525 ms
bg_rb.png
523 ms
sync2r.htm
2348 ms
9.gif
1052 ms
fcem
504 ms
fcem
492 ms
fcem
476 ms
cm.gif
745 ms
adx.php
389 ms
app.gif
983 ms
youku
280 ms
o.htm
508 ms
hm.gif
711 ms
wh.js
796 ms
ac.js
552 ms
fp.htm
484 ms
codes51.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.
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>).
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
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
codes51.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
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
codes51.com SEO score
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
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
ZH
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Codes51.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Codes51.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.
codes51.com
Open Graph description is not detected on the main page of Codes 51. 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: