Tools & Wizards About Us
shoeisha.jp screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

shoeisha.jp

会員情報メニュー：SHOEISHA iD 翔泳社

Page Load Speed

6 sec in total

First Response

420 ms

Resources Loaded

5.4 sec

Page Rendered

181 ms

shoeisha.jp screenshot

About Website

Visit shoeisha.jp now to see the best up-to-date SHOEISHA content for Japan and also check out these interesting facts you probably never knew about shoeisha.jp

SHOEISHA iDは、ひとつのメールアドレスとパスワードで、翔泳社が運営する関連サービスを利用することができる無料の会員制度です。「SHOEISHA iD」に登録いただきますと、翔泳社が運営する様々なジャンルの専門メディアの利用、およびイベントへの参加、会員特典などのサービスを受けることができます。また、登録された情報の閲覧／管理することができます。

Visit shoeisha.jp

Key Findings

We analyzed Shoeisha.jp page load time and found that the first response time was 420 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

shoeisha.jp performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value8.0 s

21/100

10%

TBT (Total Blocking Time)

Value320 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

shoeisha.jp

420 ms

www.shoeisha.co.jp

725 ms

jquery.min.js

33 ms

bootstrap.js

581 ms

application.js

293 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Shoeisha.jp, 77% (43 requests) were made to Shoeisha.co.jp and 9% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Shoeisha.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 538.0 kB (19%)

Content Size

2.9 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shoeisha.jp main page is 2.9 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. 40% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 28.3 kB

  • Original 35.3 kB
  • After minification 25.7 kB
  • After compression 7.0 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. This page needs HTML code to be minified as it can gain 9.6 kB, which is 27% 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 28.3 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 94.5 kB

  • Original 2.3 MB
  • After minification 2.2 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. SHOEISHA images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 96.3 kB

  • Original 132.3 kB
  • After minification 109.4 kB
  • After compression 36.0 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 96.3 kB or 73% of the original size.

CSS Optimization

-85%

Potential reduce by 319.0 kB

  • Original 376.3 kB
  • After minification 311.0 kB
  • After compression 57.4 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. Shoeisha.jp needs all CSS files to be minified and compressed as it can save up to 319.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (45%)

Requests Now

47

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SHOEISHA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

shoeisha.jp

shoeisha.jp

420 ms

www.shoeisha.co.jp

www.shoeisha.co.jp

725 ms

jquery.min.js

jquery.min.js

33 ms

bootstrap.js

bootstrap.js

581 ms

application.js

application.js

293 ms

mgmenu.min.js

mgmenu.min.js

308 ms

mgmenu_plugins.js

mgmenu_plugins.js

317 ms

bootstrap.css

bootstrap.css

1178 ms

books.css

books.css

692 ms

carousel.css

carousel.css

611 ms

mgmenu.css

mgmenu.css

841 ms

menustyle.css

menustyle.css

657 ms

top.css

top.css

898 ms

css

css

25 ms

non-responsive.css

non-responsive.css

180 ms

logo2.png

logo2.png

156 ms

shoeisha-txt.png

shoeisha-txt.png

305 ms

SEO.jpg

SEO.jpg

1221 ms

book.png

book.png

305 ms

globe.png

globe.png

311 ms

seevent.png

seevent.png

340 ms

box.png

box.png

473 ms

ez.png

ez.png

609 ms

mz.png

mz.png

659 ms

cz.png

cz.png

667 ms

ec.png

ec.png

678 ms

ez.png

ez.png

822 ms

160323_145.gif

160323_145.gif

913 ms

head.png

head.png

949 ms

mail.png

mail.png

1031 ms

ad.jpg

ad.jpg

2020 ms

seshop.png

seshop.png

1213 ms

cart.png

cart.png

1277 ms

ban_ecoproject.jpg

ban_ecoproject.jpg

1289 ms

pmark.gif

pmark.gif

1389 ms

ToshoJasdaqSEHIG_land.png

ToshoJasdaqSEHIG_land.png

1521 ms

gtm.js

gtm.js

132 ms

toggle.png

toggle.png

1439 ms

mini-icons-white.png

mini-icons-white.png

1449 ms

bg2.jpg

bg2.jpg

2220 ms

bg5.jpg

bg5.jpg

2500 ms

bg4.jpg

bg4.jpg

2448 ms

bg6.jpg

bg6.jpg

2702 ms

bg1.jpg

bg1.jpg

2500 ms

bg3.jpg

bg3.jpg

2600 ms

arrow_blue.gif

arrow_blue.gif

2542 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

23 ms

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

49 ms

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

49 ms

vjI-nu0OQ4awNWMtISxB9w.ttf

vjI-nu0OQ4awNWMtISxB9w.ttf

49 ms

V5fEf2Hmfq3L3OwPiowl-vesZW2xOQ-xsNqO47m55DA.ttf

V5fEf2Hmfq3L3OwPiowl-vesZW2xOQ-xsNqO47m55DA.ttf

49 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

2957 ms

analytics.js

analytics.js

33 ms

collect

collect

10 ms

collect

collect

63 ms

ga-audiences

ga-audiences

43 ms

Accessibility Review

shoeisha.jp accessibility score

93

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

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

Links do not have a discernible name

Best Practices

shoeisha.jp 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

shoeisha.jp SEO score

94

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shoeisha.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Shoeisha.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

shoeisha.jp

Open Graph data is detected on the main page of SHOEISHA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: