8.8 sec in total
1.4 sec
7 sec
307 ms
Visit tongxue.open.com.cn now to see the best up-to-date Tongxue Open content for China and also check out these interesting facts you probably never knew about tongxue.open.com.cn
Visit tongxue.open.com.cnWe analyzed Tongxue.open.com.cn page load time and found that the first response time was 1.4 sec and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
tongxue.open.com.cn performance score
name
value
score
weighting
Value1.8 s
90/100
10%
Value2.6 s
88/100
25%
Value5.8 s
49/100
10%
Value30 ms
100/100
30%
Value0.008
100/100
15%
Value3.2 s
95/100
10%
1430 ms
876 ms
871 ms
872 ms
1454 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 93% of them (51 requests) were addressed to the original Tongxue.open.com.cn, 4% (2 requests) were made to Hm.baidu.com and 2% (1 request) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (4.1 sec) relates to the external source Eiv.baidu.com.
Page size can be reduced by 476.9 kB (35%)
1.4 MB
887.2 kB
In fact, the total size of Tongxue.open.com.cn main page is 1.4 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. 25% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 19.4 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. 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 19.4 kB or 65% of the original size.
Potential reduce by 391.7 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, Tongxue Open needs image optimization as it can save up to 391.7 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 61.5 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 61.5 kB or 65% of the original size.
Potential reduce by 4.3 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. Tongxue.open.com.cn needs all CSS files to be minified and compressed as it can save up to 4.3 kB or 83% of the original size.
We found no issues to fix!
54
54
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tongxue Open. According to our analytics all requests are already optimized.
tongxue.open.com.cn
1430 ms
font.css
876 ms
style.css
871 ms
jav.js
872 ms
jquery.js
1454 ms
h.js
2262 ms
group.png
965 ms
21.gif
4061 ms
picture_01.png
564 ms
picture_02.png
567 ms
picture_03.png
846 ms
img01.png
568 ms
download_Android.png
563 ms
download_IOS.png
847 ms
picture_04.png
1126 ms
picture_05.png
1128 ms
img02.png
1133 ms
picture_06.png
1142 ms
img03.png
1409 ms
img04.png
1412 ms
img05.png
1695 ms
img_10.png
1695 ms
img_03.png
1992 ms
picture_11.png
1714 ms
img_04.png
1974 ms
img_11.png
1978 ms
picture_12.png
2258 ms
img_12.png
2258 ms
img_05.png
2281 ms
picture_13.png
2534 ms
img_06.png
2847 ms
img_13.png
2552 ms
picture_14.png
2807 ms
img_14.png
2806 ms
img_07.png
2832 ms
img_08.png
3075 ms
img_15.png
3095 ms
img_16.png
3351 ms
img_09.png
3351 ms
img06.png
3379 ms
img07.png
3390 ms
img08.png
3615 ms
img09.png
3639 ms
img10.png
3872 ms
img11.png
3337 ms
img12.png
3371 ms
img15.png
3376 ms
img16.png
3601 ms
hm.gif
432 ms
img18.jpg
3623 ms
img19.jpg
3860 ms
img20.jpg
3316 ms
img21.png
3348 ms
picture_10.png
3347 ms
picture_16.png
3559 ms
tongxue.open.com.cn 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
Links do not have a discernible name
tongxue.open.com.cn 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
tongxue.open.com.cn 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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tongxue.open.com.cn 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 Tongxue.open.com.cn 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.
tongxue.open.com.cn
Open Graph description is not detected on the main page of Tongxue Open. 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: