Tools & Wizards About Us
bookshadow.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

bookshadow.com

书影博客 | 一个文艺程序员的技术博客

Page Load Speed

10.7 sec in total

First Response

890 ms

Resources Loaded

9.4 sec

Page Rendered

341 ms

bookshadow.com screenshot

About Website

Click here to check amazing Bookshadow content for China. Otherwise, check out these important facts you probably never knew about bookshadow.com

最新日志

Visit bookshadow.com

Key Findings

We analyzed Bookshadow.com page load time and found that the first response time was 890 ms and then it took 9.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

bookshadow.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

54/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value2,420 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

Network Requests Diagram

bookshadow.com

890 ms

default.min.css

423 ms

jquery-1.10.2.min.js

1139 ms

bootstrap.min.js

1039 ms

bootstrap.min.css

1338 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 9% of them (7 requests) were addressed to the original Bookshadow.com, 19% (14 requests) were made to Bdimg.share.baidu.com and 11% (8 requests) were made to Img.t.sinajs.cn. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Tva4.sinaimg.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 276.8 kB (51%)

Content Size

539.4 kB

After Optimization

262.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bookshadow.com main page is 539.4 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. 40% of websites need less resources to load. Javascripts take 217.8 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 180.3 kB

  • Original 199.8 kB
  • After minification 139.1 kB
  • After compression 19.4 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. This page needs HTML code to be minified as it can gain 60.7 kB, which is 30% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 180.3 kB or 90% of the original size.

Image Optimization

-2%

Potential reduce by 1.3 kB

  • Original 55.3 kB
  • After minification 54.0 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. Bookshadow images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 56.6 kB

  • Original 217.8 kB
  • After minification 217.8 kB
  • After compression 161.3 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 56.6 kB or 26% of the original size.

CSS Optimization

-58%

Potential reduce by 38.6 kB

  • Original 66.5 kB
  • After minification 64.9 kB
  • After compression 27.9 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. Bookshadow.com needs all CSS files to be minified and compressed as it can save up to 38.6 kB or 58% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (41%)

Requests Now

71

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bookshadow. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bookshadow.com

bookshadow.com

890 ms

default.min.css

default.min.css

423 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

1139 ms

bootstrap.min.js

bootstrap.min.js

1039 ms

bootstrap.min.css

bootstrap.min.css

1338 ms

jquery.fancybox.css

jquery.fancybox.css

425 ms

style-min.css

style-min.css

426 ms

m.js

m.js

1185 ms

underscore-min.js

underscore-min.js

709 ms

highlight.min.js

highlight.min.js

437 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

424 ms

jquery.mousewheel-3.0.6.pack.js

jquery.mousewheel-3.0.6.pack.js

427 ms

bootstrap.min.js

bootstrap.min.js

2164 ms

share.js

share.js

757 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

589 ms

index.php

index.php

855 ms

hm.js

hm.js

1231 ms

auto_dup

auto_dup

1354 ms

share_api.js

share_api.js

329 ms

share_view.js

share_view.js

530 ms

select_api.js

select_api.js

528 ms

select_view.js

select_view.js

526 ms

image_api.js

image_api.js

531 ms

image_view.js

image_view.js

539 ms

index.php

index.php

1047 ms

tangram.js

tangram.js

489 ms

api_base.js

api_base.js

1151 ms

view_base.js

view_base.js

295 ms

hm.gif

hm.gif

320 ms

weiboShow.css

weiboShow.css

908 ms

skin_default.css

skin_default.css

1077 ms

gaea_1_20.js

gaea_1_20.js

770 ms

show.js

show.js

772 ms

suda.js

suda.js

911 ms

partners.js

partners.js

264 ms

share_style0_24.css

share_style0_24.css

370 ms

icons_0_24.png

icons_0_24.png

396 ms

44287191jw1e8qgp5bmzyj2050050aa8.jpg

44287191jw1e8qgp5bmzyj2050050aa8.jpg

791 ms

44287191ly1gfz0ux4ldrj20l90nbnpa.jpg

44287191ly1gfz0ux4ldrj20l90nbnpa.jpg

1091 ms

44287191ly1gdj2c1mscrj20u0140wn8.jpg

44287191ly1gdj2c1mscrj20u0140wn8.jpg

762 ms

44287191ly1ftavhkieizj20iq0qe116.jpg

44287191ly1ftavhkieizj20iq0qe116.jpg

350 ms

96a8f4f8ly8ffogifmjzxj20hs0hvwey.jpg

96a8f4f8ly8ffogifmjzxj20hs0hvwey.jpg

687 ms

eb6405d3tw1ebmompd8c7j20dp0djt90.jpg

eb6405d3tw1ebmompd8c7j20dp0djt90.jpg

746 ms

9d29ef0fly8gog869ubvvj20e80e80t6.jpg

9d29ef0fly8gog869ubvvj20e80e80t6.jpg

789 ms

6f2bd6adjw1e8qgp5bmzyj2050050aa8.jpg

6f2bd6adjw1e8qgp5bmzyj2050050aa8.jpg

803 ms

82d27214jw8fcj5f03hz9j20hs0hd0tb.jpg

82d27214jw8fcj5f03hz9j20hs0hd0tb.jpg

719 ms

611b0f63ly1g0v0rs6o0vj20dw0cdaae.jpg

611b0f63ly1g0v0rs6o0vj20dw0cdaae.jpg

1140 ms

618bb24ely8ga18f0eaamj20mk0mkwg9.jpg

618bb24ely8ga18f0eaamj20mk0mkwg9.jpg

1164 ms

d11c5084ly8fkgdrln7vxj20ro0romzn.jpg

d11c5084ly8fkgdrln7vxj20ro0romzn.jpg

1153 ms

78873805jw1ea8yjb57kej206q06kglz.jpg

78873805jw1ea8yjb57kej206q06kglz.jpg

1205 ms

67cdc957gw1f2om1rljs7j204g04fa9y.jpg

67cdc957gw1f2om1rljs7j204g04fa9y.jpg

1217 ms

64b1df14jw8f5p9oje7moj20ku0k2jtd.jpg

64b1df14jw8f5p9oje7moj20ku0k2jtd.jpg

755 ms

795ab23ajw8entblb9tjsj20k00k03zl.jpg

795ab23ajw8entblb9tjsj20k00k03zl.jpg

1266 ms

44287191ly1fn1ijk6x79j20io0dktlx.jpg

44287191ly1fn1ijk6x79j20io0dktlx.jpg

370 ms

79fa49fbly8hg31ce7vi9j20e80e8js1.jpg

79fa49fbly8hg31ce7vi9j20e80e8js1.jpg

798 ms

a716fd45ly1g422fq0dqtj20hs1dcaee.jpg

a716fd45ly1g422fq0dqtj20hs1dcaee.jpg

1108 ms

44287191ly1gaf59v9kgwj22c0340npd.jpg

44287191ly1gaf59v9kgwj22c0340npd.jpg

779 ms

44287191ly1fnvl0gxxp7j21kw0iznmv.jpg

44287191ly1fnvl0gxxp7j21kw0iznmv.jpg

802 ms

44287191gy1fnisgsbq06j20on0sbe81.jpg

44287191gy1fnisgsbq06j20on0sbe81.jpg

840 ms

wb_logo16_a.png

wb_logo16_a.png

514 ms

btns_bg.png

btns_bg.png

243 ms

icon_follow.png

icon_follow.png

509 ms

icon_user.png

icon_user.png

512 ms

71432701jw1e8qgp5bmzyj2050050aa8.jpg

71432701jw1e8qgp5bmzyj2050050aa8.jpg

809 ms

70515857jw8et5wo3ebx3j206u0763z7.jpg

70515857jw8et5wo3ebx3j206u0763z7.jpg

1299 ms

69df17efjw1ef1e89qnxej20gm0m8gp8.jpg

69df17efjw1ef1e89qnxej20gm0m8gp8.jpg

1714 ms

c0ddda80jw1e8qgp5bmzyj2050050aa8.jpg

c0ddda80jw1e8qgp5bmzyj2050050aa8.jpg

789 ms

97dd2f3ajw8f798sc47ubj20go0gqjvr.jpg

97dd2f3ajw8f798sc47ubj20go0gqjvr.jpg

717 ms

e085568ejw8f21cqr7g3yj20hs0hsgm6.jpg

e085568ejw8f21cqr7g3yj20hs0hsgm6.jpg

720 ms

6e600405jw1e8qgp5bmzyj2050050aa8.jpg

6e600405jw1e8qgp5bmzyj2050050aa8.jpg

2379 ms

bg_trans.png

bg_trans.png

452 ms

icon_tips.png

icon_tips.png

207 ms

a.gif

a.gif

1160 ms

tmp.gif

tmp.gif

1151 ms

logger.js

logger.js

257 ms

Accessibility Review

bookshadow.com accessibility score

86

Accessibility Issues

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

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

bookshadow.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

bookshadow.com SEO score

85

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bookshadow.com 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 Bookshadow.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.

Social Sharing Optimization

bookshadow.com

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