14.5 sec in total
2 sec
12.4 sec
85 ms
Welcome to book.duxiu.com homepage info - get ready to check Book Duxiu best content for China right away, or after learning these important things about book.duxiu.com
读秀学术搜索是完整的文献搜索及获取服务平台,其后台建构在由海量全文数据及元数据组成的超大型数据库基础上。以10亿页中文资料为基础,为读者提供深入内容的章节和全文检索、部分文献试读、参考咨询等多种功能。收入中文图书300多万种,有包括中文期刊近7000万篇等中文元数据。 其一站式检索实现了馆藏纸质图书、电子图书、学术文章等各种异构资源在同一平台的统一检索和获取。为读者学习、研究、写论文、做课题提供全...
Visit book.duxiu.comWe analyzed Book.duxiu.com page load time and found that the first response time was 2 sec and then it took 12.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
book.duxiu.com performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value4.3 s
42/100
25%
Value9.2 s
13/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value3.9 s
88/100
10%
2002 ms
1994 ms
665 ms
2993 ms
675 ms
Our browser made a total of 20 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Book.duxiu.com, 10% (2 requests) were made to Count.duxiu.com and 5% (1 request) were made to S11.cnzz.com. The less responsive or slowest element that took the longest time to load (6.3 sec) relates to the external source Duxiu.com.
Page size can be reduced by 38.8 kB (47%)
83.4 kB
44.6 kB
In fact, the total size of Book.duxiu.com main page is 83.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 55.6 kB which makes up the majority of the site volume.
Potential reduce by 10.3 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 10.3 kB or 71% of the original size.
Potential reduce by 20.0 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, Book Duxiu needs image optimization as it can save up to 20.0 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 6.9 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 6.9 kB or 64% of the original size.
Potential reduce by 1.6 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. Book.duxiu.com needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 67% of the original size.
Number of requests can be reduced by 8 (50%)
16
8
The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Book Duxiu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
login.jsp
2002 ms
duxiuchk.js
1994 ms
login.css
665 ms
jquery-1.4.2.min.js
2993 ms
jquery.cvtooltip.js
675 ms
leftajax.js
672 ms
cxsp.min.js
995 ms
sendmail.js
1005 ms
tip.js
2318 ms
loginpageinsert.jsp
1608 ms
systeminsert.jsp
655 ms
stat.php
1237 ms
bg.jpg
2653 ms
vImage.jsp
6308 ms
veryImage.jsp
335 ms
log
845 ms
stat.htm
166 ms
core.php
770 ms
vImage.jsp
1586 ms
pic.gif
774 ms
book.duxiu.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
Form elements do not have associated labels
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.
book.duxiu.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
book.duxiu.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Book.duxiu.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 Book.duxiu.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.
book.duxiu.com
Open Graph description is not detected on the main page of Book Duxiu. 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: