Tools & Wizards About Us
book-river.com screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

book-river.com

Page Load Speed

4.3 sec in total

First Response

797 ms

Resources Loaded

3.2 sec

Page Rendered

302 ms

book-river.com screenshot

About Website

Click here to check amazing Book River content. Otherwise, check out these important facts you probably never knew about book-river.com

古本の高額買取専門店です。【スマートフォン対応ページです。】DVD、CDも買取OK!　どこよりも高価に売却・売る事ができます！ 古本の買い取りならブックリバーで決まり！

Visit book-river.com

Key Findings

We analyzed Book-river.com page load time and found that the first response time was 797 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

book-river.com performance score

0

Network Requests Diagram

book-river.com

797 ms

jquery-1.7.1.min.js

1059 ms

smt.js

358 ms

reset.css

376 ms

base.css

555 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 80% of them (20 requests) were addressed to the original Book-river.com, 8% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Book-river.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.7 kB (13%)

Content Size

551.7 kB

After Optimization

479.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Book-river.com main page is 551.7 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. 15% of websites need less resources to load. Images take 404.4 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 5.7 kB

  • Original 8.3 kB
  • After minification 6.8 kB
  • After compression 2.7 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. This page needs HTML code to be minified as it can gain 1.5 kB, which is 19% 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 5.7 kB or 68% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 404.4 kB
  • After minification 404.4 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. Book River images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 60.7 kB

  • Original 131.7 kB
  • After minification 131.6 kB
  • After compression 71.0 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 60.7 kB or 46% of the original size.

CSS Optimization

-74%

Potential reduce by 5.4 kB

  • Original 7.2 kB
  • After minification 4.8 kB
  • After compression 1.8 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. Book-river.com needs all CSS files to be minified and compressed as it can save up to 5.4 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (26%)

Requests Now

23

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Book River. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

book-river.com

book-river.com

797 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

1059 ms

smt.js

smt.js

358 ms

reset.css

reset.css

376 ms

base.css

base.css

555 ms

header.css

header.css

371 ms

footer.css

footer.css

387 ms

conversion.js

conversion.js

15 ms

ga.js

ga.js

41 ms

h_img01.jpg

h_img01.jpg

570 ms

top_img.jpg

top_img.jpg

1429 ms

menu1.jpg

menu1.jpg

559 ms

menu2.jpg

menu2.jpg

569 ms

menu3.jpg

menu3.jpg

558 ms

menu4.jpg

menu4.jpg

580 ms

menu5.jpg

menu5.jpg

1483 ms

menu6.jpg

menu6.jpg

929 ms

menu7.jpg

menu7.jpg

1137 ms

h3_bg.gif

h3_bg.gif

743 ms

h4_bg.gif

h4_bg.gif

772 ms

f_bg.gif

f_bg.gif

920 ms

menu8.jpg

menu8.jpg

1157 ms

52 ms

__utm.gif

__utm.gif

14 ms

40 ms

SEO Factors

book-river.com SEO score

0

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Book-river.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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Book-river.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

book-river.com

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