Tools & Wizards About Us
book70.com screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

book70.com

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Page Load Speed

7.6 sec in total

First Response

643 ms

Resources Loaded

6.1 sec

Page Rendered

903 ms

book70.com screenshot

About Website

Click here to check amazing Book 70 content. Otherwise, check out these important facts you probably never knew about book70.com

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Visit book70.com

Key Findings

We analyzed Book70.com page load time and found that the first response time was 643 ms and then it took 7 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

book70.com performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value20.6 s

0/100

25%

SI (Speed Index)

Value5.7 s

50/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.156

74/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

index.php

643 ms

plug.min.css

310 ms

app.css

300 ms

main.css

160 ms

tj.js

167 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 89% of them (31 requests) were addressed to the original Book70.com, 6% (2 requests) were made to Js.users.51.la and 3% (1 request) were made to . The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Js.users.51.la.

Page Optimization Overview & Recommendations

Page size can be reduced by 209.5 kB (8%)

Content Size

2.5 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Book70.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. 70% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 78.0 kB

  • Original 95.7 kB
  • After minification 85.8 kB
  • After compression 17.7 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 78.0 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 126.8 kB

  • Original 2.4 MB
  • After minification 2.3 MB

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. Book 70 images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 109 B

  • Original 437 B
  • After minification 431 B
  • After compression 328 B

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 109 B or 25% of the original size.

CSS Optimization

-10%

Potential reduce by 4.6 kB

  • Original 46.5 kB
  • After minification 46.5 kB
  • After compression 41.9 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. Book70.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (12%)

Requests Now

33

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Book 70. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

index.php

index.php

643 ms

plug.min.css

plug.min.css

310 ms

app.css

app.css

300 ms

main.css

main.css

160 ms

tj.js

tj.js

167 ms

common.js

common.js

167 ms

21348629.js

21348629.js

1897 ms

21339657.js

21339657.js

2094 ms

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20181018165236_925.png

567 ms

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20181018192250_824.jpg

474 ms

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20190531154309_946.jpg

477 ms

20190531154647_133.jpg

20190531154647_133.jpg

592 ms

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20191231170124_692.jpg

547 ms

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20190531154855_566.jpg

474 ms

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20190531154931_994.jpg

471 ms

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20190531155034_854.jpg

541 ms

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20181019083711_617.png

471 ms

20181019091858_169.png

20181019091858_169.png

475 ms

20181019092124_152.png

20181019092124_152.png

538 ms

titline.png

titline.png

539 ms

thumb_20190517150638_607.jpg

thumb_20190517150638_607.jpg

541 ms

thumb_20190517150635_921.jpg

thumb_20190517150635_921.jpg

584 ms

thumb_20190517150631_283.jpg

thumb_20190517150631_283.jpg

583 ms

thumb_20190517150628_637.jpg

thumb_20190517150628_637.jpg

582 ms

thumb_20190517150624_743.jpg

thumb_20190517150624_743.jpg

584 ms

thumb_20190517150621_414.jpg

thumb_20190517150621_414.jpg

610 ms

thumb_20190517150617_991.jpg

thumb_20190517150617_991.jpg

655 ms

thumb_20190517150612_364.jpg

thumb_20190517150612_364.jpg

652 ms

imagecode.php

imagecode.php

656 ms

footbg.png

footbg.png

655 ms

1540001934208443.png

1540001934208443.png

653 ms

1560126655878023.jpg

1560126655878023.jpg

683 ms

20190518084510_585.jpg

20190518084510_585.jpg

724 ms

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s0CICGeIkSDFOTJMcIEpcsxwiSvMcY0b3OIO93jAI57wjBe84g3vWOAjwJCXrXhe1s1SOW1mp9Kul60jnXX+h8mtPr8z63nnSVZf6d6yZinCup6ycrJkqT03u3yMtZOusk5M0nlW1qeFkUJ7l5uSdyR7e8iSktY6v+G0tbxhkqQ3PLBk1DSuH6dPtjXrbnK0hgvbpUf1Vay2rjUpKeW8dElrqFE29FVEWscli28j6spY8+HntOSS1keqIVGWfknmvZFxdWDaE4+ng+APMuZipwAAAA==

2 ms

push.js

push.js

576 ms

Accessibility Review

book70.com accessibility score

47

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

book70.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

book70.com SEO score

89

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Book70.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Chinese. Our system also found out that Book70.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

book70.com

Open Graph description is not detected on the main page of Book 70. 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: