26.4 sec in total
1.5 sec
24.6 sec
239 ms
Visit cd-tennis.com now to see the best up-to-date Cd Tennis content and also check out these interesting facts you probably never knew about cd-tennis.com
超达网球俱乐部及超达网校专注青少年及儿童网球培训20多年,网球培训班、网球俱乐部和直营网球场馆覆盖北京、上海、重庆、成都、南宁、保定、海南等省市;零基础学网球、网球私教课、网球培训班、网球夏令营、网球特长考学留学、打网球定场地、网球团建等,找超达网球都可以搞定。
Visit cd-tennis.comWe analyzed Cd-tennis.com page load time and found that the first response time was 1.5 sec and then it took 24.9 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.
cd-tennis.com performance score
name
value
score
weighting
Value9.0 s
0/100
10%
Value16.8 s
0/100
25%
Value15.8 s
0/100
10%
Value110 ms
97/100
30%
Value0.075
95/100
15%
Value14.7 s
8/100
10%
1539 ms
439 ms
819 ms
214 ms
220 ms
Our browser made a total of 67 requests to load all elements on the main page. We found that 57% of them (38 requests) were addressed to the original Cd-tennis.com, 18% (12 requests) were made to Qiao.baidu.com and 4% (3 requests) were made to Combo.b.qq.com. The less responsive or slowest element that took the longest time to load (18.2 sec) relates to the external source Tajs.qq.com.
Page size can be reduced by 162.8 kB (15%)
1.1 MB
926.3 kB
In fact, the total size of Cd-tennis.com main page is 1.1 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 909.6 kB which makes up the majority of the site volume.
Potential reduce by 55.6 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 55.6 kB or 77% of the original size.
Potential reduce by 67.7 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. Cd Tennis images are well optimized though.
Potential reduce by 7.2 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. This website has mostly compressed JavaScripts.
Potential reduce by 32.4 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. Cd-tennis.com needs all CSS files to be minified and compressed as it can save up to 32.4 kB or 84% of the original size.
Number of requests can be reduced by 28 (43%)
65
37
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cd Tennis. 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 from 4 to 1 for CSS and as a result speed up the page load time.
cd-tennis.com
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cd-tennis.com accessibility score
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.
cd-tennis.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
cd-tennis.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 uses legible font sizes
Tap targets are not sized appropriately
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cd-tennis.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 Cd-tennis.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.
cd-tennis.com
Open Graph description is not detected on the main page of Cd Tennis. 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: