Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

booklog.kinokuniya.co.jp

書評空間::紀伊國屋書店 KINOKUNIYA::BOOKLOG

Page Load Speed

10.2 sec in total

First Response

1.2 sec

Resources Loaded

8.7 sec

Page Rendered

277 ms

booklog.kinokuniya.co.jp screenshot

About Website

Welcome to booklog.kinokuniya.co.jp homepage info - get ready to check BOOKLOG KINOKUNIYA best content for Japan right away, or after learning these important things about booklog.kinokuniya.co.jp

書評空間はプロの読み手による紀伊國屋書店の書評ブログです。様々な分野の専門家たちが、独自の視点で選んだ本を書評と共にご紹介しています。

Visit booklog.kinokuniya.co.jp

Key Findings

We analyzed Booklog.kinokuniya.co.jp page load time and found that the first response time was 1.2 sec and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

booklog.kinokuniya.co.jp performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value3,780 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value21.2 s

1/100

10%

Network Requests Diagram

booklog.kinokuniya.co.jp

1215 ms

styles-site.tpl_new.css

484 ms

top.tpl_new.css

361 ms

top.umat.tpl_new.css

359 ms

footer_bg.jpg

317 ms

Our browser made a total of 155 requests to load all elements on the main page. We found that 85% of them (131 requests) were addressed to the original Booklog.kinokuniya.co.jp, 10% (15 requests) were made to Bookweb.kinokuniya.co.jp and 1% (2 requests) were made to Kinokuniya.co.jp. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Booklog.kinokuniya.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 162.6 kB (31%)

Content Size

520.1 kB

After Optimization

357.5 kB

In fact, the total size of Booklog.kinokuniya.co.jp main page is 520.1 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. 25% of websites need less resources to load. Images take 422.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 52.9 kB

  • Original 63.9 kB
  • After minification 57.5 kB
  • After compression 11.0 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 52.9 kB or 83% of the original size.

Image Optimization

-21%

Potential reduce by 87.5 kB

  • Original 422.9 kB
  • After minification 335.4 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. Obviously, BOOKLOG KINOKUNIYA needs image optimization as it can save up to 87.5 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-13%

Potential reduce by 996 B

  • Original 7.4 kB
  • After minification 7.4 kB
  • After compression 6.5 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 996 B or 13% of the original size.

CSS Optimization

-82%

Potential reduce by 21.2 kB

  • Original 25.8 kB
  • After minification 19.1 kB
  • After compression 4.6 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. Booklog.kinokuniya.co.jp needs all CSS files to be minified and compressed as it can save up to 21.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 74 (48%)

Requests Now

153

After Optimization

79

The browser has sent 153 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BOOKLOG KINOKUNIYA. 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 as a result speed up the page load time.

Accessibility Review

booklog.kinokuniya.co.jp accessibility score

85

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

Best Practices

booklog.kinokuniya.co.jp best practices score

83

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

booklog.kinokuniya.co.jp SEO score

92

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

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Booklog.kinokuniya.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Booklog.kinokuniya.co.jp 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

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