11.1 sec in total
665 ms
9.9 sec
538 ms
Click here to check amazing Sunlands content for China. Otherwise, check out these important facts you probably never knew about sunlands.com
尚德机构,专注于学历教育,职业教育的互联网教育公司。包含了自考本科、自考专科、高自考、专升本、财会、注册会计师(CPA)、注册管理会计师(CMA)、MBA、人力资源师、教师资格证、证券基金从业资格证等业务。截至目前,尚德教育已经助力8w人通过考试,通过率高达98%。-尚德机构
Visit sunlands.comWe analyzed Sunlands.com page load time and found that the first response time was 665 ms and then it took 10.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
sunlands.com performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value12.6 s
0/100
25%
Value8.7 s
16/100
10%
Value260 ms
84/100
30%
Value0.124
83/100
15%
Value5.7 s
68/100
10%
665 ms
2088 ms
1133 ms
1047 ms
421 ms
Our browser made a total of 92 requests to load all elements on the main page. We found that 73% of them (67 requests) were addressed to the original Sunlands.com, 21% (19 requests) were made to Sfs-public.shangdejigou.cn and 2% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (3.3 sec) relates to the external source Wework.qpic.cn.
Page size can be reduced by 614.4 kB (19%)
3.2 MB
2.6 MB
In fact, the total size of Sunlands.com main page is 3.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.
Potential reduce by 359.9 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 359.9 kB or 87% of the original size.
Potential reduce by 254.4 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. Sunlands images are well optimized though.
Potential reduce by 16 B
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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 35 (39%)
89
54
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sunlands. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
sunlands.com
665 ms
www.sunlands.com
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trace_sdk.js
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af1ad288.2e443f59.chunk.css
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8cffe148e90164a58ae697a079295e2d557f93cc_CSS.70f92d17.chunk.css
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styles.c45559da.chunk.css
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polyfills-1f79e7a269026887b4aa.js
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main-2fa1f0c2b527e16929e1.js
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sunlands.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-hidden="true"] elements contain focusable descendents
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Links do not have a discernible name
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.
sunlands.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
sunlands.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
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 doesn't use legible font sizes
Tap targets are not sized appropriately
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sunlands.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 Sunlands.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.
sunlands.com
Open Graph description is not detected on the main page of Sunlands. 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: