Tools & Wizards About Us
bookcover.en.china.cn screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

bookcover.en.china.cn

Buy self adhesive film & book cover from Cangnan County Jiafeng Composite Material Co., Ltd. on China Suppliers Mobile

Page Load Speed

7.1 sec in total

First Response

556 ms

Resources Loaded

5.8 sec

Page Rendered

754 ms

bookcover.en.china.cn screenshot

About Website

Click here to check amazing Book Cover En China content for China. Otherwise, check out these important facts you probably never knew about bookcover.en.china.cn

Quality self adhesive film & book cover on China Suppliers - Cangnan County Jiafeng Composite Material Co., Ltd..

Visit bookcover.en.china.cn

Key Findings

We analyzed Bookcover.en.china.cn page load time and found that the first response time was 556 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

bookcover.en.china.cn performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value18.7 s

0/100

10%

TBT (Total Blocking Time)

Value5,850 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

bookcover.en.china.cn

556 ms

bookcover.en.china.cn

1690 ms

aliplayer-min.css

274 ms

common.min.css

302 ms

shop.min.css

363 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Bookcover.en.china.cn, 40% (33 requests) were made to Timg.china.cn and 9% (7 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Hm.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 117.1 kB (17%)

Content Size

692.8 kB

After Optimization

575.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bookcover.en.china.cn main page is 692.8 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. 70% of websites need less resources to load. Javascripts take 404.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 47.1 kB

  • Original 59.5 kB
  • After minification 59.4 kB
  • After compression 12.4 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 47.1 kB or 79% of the original size.

Image Optimization

-13%

Potential reduce by 25.8 kB

  • Original 205.8 kB
  • After minification 180.0 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 Cover En China needs image optimization as it can save up to 25.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 44.2 kB

  • Original 404.6 kB
  • After minification 403.7 kB
  • After compression 360.4 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 44.2 kB or 11% of the original size.

CSS Optimization

-0%

Potential reduce by 77 B

  • Original 23.0 kB
  • After minification 23.0 kB
  • After compression 22.9 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. Bookcover.en.china.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 52 (67%)

Requests Now

78

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Book Cover En China. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bookcover.en.china.cn

bookcover.en.china.cn

556 ms

bookcover.en.china.cn

bookcover.en.china.cn

1690 ms

aliplayer-min.css

aliplayer-min.css

274 ms

common.min.css

common.min.css

302 ms

shop.min.css

shop.min.css

363 ms

jquery.mCustomScrollbar.min.css

jquery.mCustomScrollbar.min.css

324 ms

js

js

67 ms

google_event.min.js

google_event.min.js

321 ms

adsbygoogle.js

adsbygoogle.js

282 ms

config.js

config.js

210 ms

count.min.js

count.min.js

230 ms

aliplayer-min.js

aliplayer-min.js

389 ms

carousel.js

carousel.js

387 ms

jquery.min.js

jquery.min.js

228 ms

jquery.cookie.min.js

jquery.cookie.min.js

530 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

372 ms

en.min.js

en.min.js

371 ms

jquery.base64.min.js

jquery.base64.min.js

523 ms

search.min.js

search.min.js

522 ms

floating_box.min.js

floating_box.min.js

524 ms

jquery.mCustomScrollbar.min.js

jquery.mCustomScrollbar.min.js

512 ms

jquery.validation.min.js

jquery.validation.min.js

523 ms

product.min.js

product.min.js

520 ms

source-request.min.js

source-request.min.js

553 ms

share.min.js

share.min.js

555 ms

quick-inquiry.min.js

quick-inquiry.min.js

554 ms

conversion_async.js

conversion_async.js

434 ms

120x27.png

120x27.png

513 ms

shop-icon.png

shop-icon.png

443 ms

icon-group.png.webp

icon-group.png.webp

649 ms

default_logo.jpg

default_logo.jpg

649 ms

circle-loading.svg

circle-loading.svg

621 ms

product-icon.png

product-icon.png

614 ms

analytics.js

analytics.js

486 ms

tracking.js

tracking.js

634 ms

hm.js

hm.js

2209 ms

show_ads_impl.js

show_ads_impl.js

214 ms

zrt_lookup.html

zrt_lookup.html

468 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

364 ms

ajaxapi.php

ajaxapi.php

1048 ms

334 ms

floating_pic.png

floating_pic.png

201 ms

default_banner.jpg

default_banner.jpg

283 ms

1_878_11280_750_1000.jpg

1_878_11280_750_1000.jpg

1824 ms

1_241_11301_800_360.jpg

1_241_11301_800_360.jpg

1835 ms

1_265_11285_753_669.jpg

1_265_11285_753_669.jpg

821 ms

1_351_11314_666_1000.jpg

1_351_11314_666_1000.jpg

2191 ms

1_172_11280_666_1000.jpg

1_172_11280_666_1000.jpg

1087 ms

cookie.js

cookie.js

206 ms

integrator.js

integrator.js

200 ms

ads

ads

192 ms

collect

collect

69 ms

collect

collect

94 ms

101 ms

ads

ads

728 ms

collect

collect

62 ms

downsize_200k_v1

downsize_200k_v1

118 ms

load_preloaded_resource.js

load_preloaded_resource.js

146 ms

abg_lite.js

abg_lite.js

128 ms

window_focus.js

window_focus.js

119 ms

qs_click_protection.js

qs_click_protection.js

118 ms

rx_lidar.js

rx_lidar.js

176 ms

6c7423e08ae99c3d125c127fa3b3e325.js

6c7423e08ae99c3d125c127fa3b3e325.js

173 ms

icon.png

icon.png

56 ms

cookie_push_onload.html

cookie_push_onload.html

23 ms

dpixel

dpixel

748 ms

css

css

404 ms

hm.gif

hm.gif

869 ms

pixel

pixel

31 ms

pixel

pixel

200 ms

pixel

pixel

192 ms

pixel

pixel

204 ms

activeview

activeview

88 ms

YrdBSjzfIHcYhYLmavhSyO_EhBrLUWpx5ykdL7H9Kqg.js

YrdBSjzfIHcYhYLmavhSyO_EhBrLUWpx5ykdL7H9Kqg.js

69 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

590 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

590 ms

pixel

pixel

525 ms

pixel

pixel

547 ms

sodar

sodar

51 ms

sodar2.js

sodar2.js

28 ms

runner.html

runner.html

34 ms

aframe

aframe

46 ms

Accessibility Review

bookcover.en.china.cn accessibility score

66

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Internationalization and localization

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

Impact

Issue

High

<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

High

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

bookcover.en.china.cn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

bookcover.en.china.cn SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bookcover.en.china.cn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Chinese language. Our system also found out that Bookcover.en.china.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.

Social Sharing Optimization

bookcover.en.china.cn

Open Graph description is not detected on the main page of Book Cover En China. 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: