43.9 sec in total
1.2 sec
42.2 sec
516 ms
Welcome to dhtv.cn homepage info - get ready to check Dhtv best content for China right away, or after learning these important things about dhtv.cn
飞天圆梦|我国第四批航天员选拔等你参加-本次共选拔12至14名预备航天员,包括航天驾驶员7至8名,航天飞行工程师和载荷专家共5至6名,其中,载荷专家2名左右。
Visit dhtv.cnWe analyzed Dhtv.cn page load time and found that the first response time was 1.2 sec and then it took 42.7 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. Unfortunately, there were 37 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
dhtv.cn performance score
name
value
score
weighting
Value4.0 s
23/100
10%
Value20.6 s
0/100
25%
Value10.7 s
7/100
10%
Value180 ms
91/100
30%
Value0.001
100/100
15%
Value15.7 s
6/100
10%
1220 ms
6315 ms
4271 ms
19503 ms
4994 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 20% of them (18 requests) were addressed to the original Dhtv.cn, 33% (30 requests) were made to Data.wztv.cn and 26% (24 requests) were made to Img.dhtv.cn. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Data.wztv.cn.
Page size can be reduced by 132.9 kB (9%)
1.4 MB
1.3 MB
In fact, the total size of Dhtv.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. 20% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 33.4 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 33.4 kB or 75% of the original size.
Potential reduce by 64.7 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. Dhtv images are well optimized though.
Potential reduce by 34.8 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 34.8 kB or 37% of the original size.
Potential reduce by 0 B
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.
We found no issues to fix!
52
52
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dhtv. According to our analytics all requests are already optimized.
dhtv.cn
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dhtv.cn 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.
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
Form elements do not have associated labels
Links do not have a discernible name
<object> elements do not have alternate text
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
dhtv.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
dhtv.cn 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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dhtv.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 Dhtv.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.
dhtv.cn
Open Graph description is not detected on the main page of Dhtv. 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: