13.3 sec in total
714 ms
12.3 sec
226 ms
Visit readbook.com now to see the best up-to-date READBOOK content for China and also check out these interesting facts you probably never knew about readbook.com
润——将国人带到全世界
Visit readbook.comWe analyzed Readbook.com page load time and found that the first response time was 714 ms and then it took 12.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
readbook.com performance score
name
value
score
weighting
Value2.3 s
75/100
10%
Value8.2 s
2/100
25%
Value4.3 s
76/100
10%
Value3,340 ms
2/100
30%
Value0.856
4/100
15%
Value8.1 s
42/100
10%
714 ms
358 ms
370 ms
347 ms
489 ms
Our browser made a total of 90 requests to load all elements on the main page. We found that 83% of them (75 requests) were addressed to the original Readbook.com, 6% (5 requests) were made to V3.jiathis.com and 2% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (5.6 sec) belongs to the original domain Readbook.com.
Page size can be reduced by 1.1 MB (45%)
2.5 MB
1.4 MB
In fact, the total size of Readbook.com main page is 2.5 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. 65% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 41.3 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 41.3 kB or 82% of the original size.
Potential reduce by 25.9 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. READBOOK images are well optimized though.
Potential reduce by 715.4 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 715.4 kB or 70% of the original size.
Potential reduce by 318.2 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. Readbook.com needs all CSS files to be minified and compressed as it can save up to 318.2 kB or 83% of the original size.
Number of requests can be reduced by 54 (72%)
75
21
The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of READBOOK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
readbook.com
714 ms
bootstrap.min.css
358 ms
font-awesome.min.css
370 ms
jquery-ui.css
347 ms
fullcalendar.css
489 ms
prettyPhoto.css
351 ms
rateit.css
664 ms
bootstrap-datetimepicker.min.css
1012 ms
jquery.cleditor.css
684 ms
jquery.dataTables.css
812 ms
jquery.onoff.css
2072 ms
style.css
2013 ms
widgets.css
3020 ms
tekinfo-custom.css
3012 ms
readbook.css
3027 ms
owl.carousel.css
3023 ms
index.css
4017 ms
jquery.min.js
4028 ms
dataUtility.js
4026 ms
common.js
4024 ms
refresh.js
4047 ms
normal.js
5023 ms
serverTimer.js
5025 ms
readbook.js
5027 ms
settings.css
5033 ms
flexslider.css
5029 ms
slider.css
5031 ms
jia.js
4199 ms
bootstrap.js
4886 ms
bootstrap-datetimepicker.min.js
5049 ms
jquery.rateit.min.js
5050 ms
jquery.prettyPhoto.js
5057 ms
jquery-ui.min.js
5074 ms
jquery.dataTables.min.js
5087 ms
jquery.cleditor.min.js
5227 ms
jquery.slimscroll.min.js
5497 ms
jquery.onoff.min.js
5389 ms
moment.min.js
5409 ms
fullcalendar.min.js
5402 ms
custom.js
5413 ms
jquery.themepunch.tools.min.js
5530 ms
jquery.themepunch.revolution.min.js
5523 ms
jquery.carouFredSel-6.1.0-packed.js
5594 ms
jquery.refineslide.min.js
5430 ms
jquery.flexslider-min.js
5420 ms
jquery.cslider.js
5343 ms
modernizr.custom.28468.js
5220 ms
respond.min.js
4055 ms
html5shiv.js
4337 ms
index.js
3414 ms
back.png
1378 ms
menu.png
2008 ms
readbook-banner-128.png
2133 ms
readbook-qr-green-256.png
1366 ms
cream.png
1530 ms
readbook-banner-256.png
2995 ms
slide1.jpg
1587 ms
slide2.jpg
3009 ms
clock-64.png
1702 ms
tekinfo-color-tradmark-128.png
3130 ms
takall-128.png
1871 ms
stat.php
2218 ms
fontawesome-webfont.woff
4478 ms
sys
3038 ms
sys
2040 ms
stat.htm
163 ms
core.php
962 ms
sys
1166 ms
9.gif
1650 ms
pic1.gif
1427 ms
h.js
2492 ms
sys
347 ms
app.gif
1434 ms
24.gif
696 ms
readbook-qr-green-256.png
13 ms
hm.gif
557 ms
jiathis_utility.html
5 ms
jiathis_share.css
15 ms
plugin.client.js
9 ms
jiathis_counter.css
13 ms
shares.php
721 ms
slide12.jpg
338 ms
tobject
565 ms
tobject
563 ms
slide21.jpg
372 ms
large_left.png
373 ms
large_right.png
371 ms
waiting-small.gif
371 ms
timer.png
373 ms
loader.gif
637 ms
readbook.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
readbook.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
readbook.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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Readbook.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 Readbook.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.
readbook.com
Open Graph description is not detected on the main page of READBOOK. 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: