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bookba.net screenshot

57

Performance

Renders faster than
74% of other websites
39

Accessibility

Visual factors better than
that of 18% of websites
58

Best Practices

More advanced features
available than in
19% of websites
81

SEO

Google-friendlier than
43% of websites

First Response

2 sec

Resources Loaded

58.3 sec

Page Rendered

260 ms

bookba.net screenshot

About Website

Welcome to bookba.net homepage info - get ready to check Bookba best content for China right away, or after learning these important things about bookba.net

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Visit bookba.net

Key Findings

We analyzed Bookba.net page load time and found that the first response time was 2 sec and then it took 58.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value6.2 s

44/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

bookba.net

2001 ms

www.bookba.net

9370 ms

base.css

33 ms

qirebox.css

14 ms

jquery-1.7.1.min.js

41 ms

Our browser made a total of 154 requests to load all elements on the main page. We found that 45% of them (69 requests) were addressed to the original Bookba.net, 6% (9 requests) were made to Cpro.baidustatic.com and 5% (8 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Wn.x.jd.com.

Content Size

1.9 MB

After Optimization

1.2 MB

In fact, the total size of Bookba.net main page is 1.9 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. 60% of websites need less resources to load. Javascripts take 952.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 67.5 kB

Original 87.0 kB
After minification 86.5 kB
After compression 19.5 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 67.5 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 15.0 kB

Original 779.6 kB
After minification 764.6 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. Bookba images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 590.6 kB

Original 952.8 kB
After minification 939.5 kB
After compression 362.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 590.6 kB or 62% of the original size.

CSS Optimization

-85%

Potential reduce by 100.4 kB

Original 117.9 kB
After minification 89.5 kB
After compression 17.5 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. Bookba.net needs all CSS files to be minified and compressed as it can save up to 100.4 kB or 85% of the original size.

Requests Now

146

After Optimization

77

The browser has sent 146 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bookba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 49 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bookba.net 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 Bookba.net main page’s claimed encoding is gbk. 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.

Social Sharing Optimization

bookba.net

Open Graph description is not detected on the main page of Bookba. 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: