41.5 sec in total
2.9 sec
27.6 sec
11 sec
Visit 3d-book.cn now to see the best up-to-date 3 D Book content and also check out these interesting facts you probably never knew about 3d-book.cn
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Visit 3d-book.cnWe analyzed 3d-book.cn page load time and found that the first response time was 2.9 sec and then it took 38.6 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.
3d-book.cn performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value10.5 s
0/100
25%
Value18.0 s
0/100
10%
Value10,650 ms
0/100
30%
Value0.448
20/100
15%
Value41.3 s
0/100
10%
2930 ms
1230 ms
453 ms
467 ms
1649 ms
Our browser made a total of 152 requests to load all elements on the main page. We found that 80% of them (121 requests) were addressed to the original 3d-book.cn, 6% (9 requests) were made to Bdimg.share.baidu.com and 6% (9 requests) were made to Sgoutong.baidu.com. The less responsive or slowest element that took the longest time to load (18.4 sec) relates to the external source Push.zhanzhang.baidu.com.
Page size can be reduced by 494.6 kB (7%)
6.9 MB
6.4 MB
In fact, the total size of 3d-book.cn main page is 6.9 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 6.3 MB which makes up the majority of the site volume.
Potential reduce by 189.8 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 189.8 kB or 85% of the original size.
Potential reduce by 19.1 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. 3 D Book images are well optimized though.
Potential reduce by 198.6 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 198.6 kB or 58% of the original size.
Potential reduce by 87.1 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. 3d-book.cn needs all CSS files to be minified and compressed as it can save up to 87.1 kB or 77% of the original size.
Number of requests can be reduced by 38 (26%)
149
111
The browser has sent 149 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3 D Book. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
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3d-book.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.
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.
Definition list items are not wrapped in <dl> elements
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
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
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.
3d-book.cn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Browser errors were logged to the console
3d-book.cn SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 3d-book.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that 3d-book.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.
3d-book.cn
Open Graph description is not detected on the main page of 3 D Book. 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: