Tools & Wizards About Us
nippyo.co.jp screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

nippyo.co.jp

日本評論社

Page Load Speed

5.6 sec in total

First Response

976 ms

Resources Loaded

4.3 sec

Page Rendered

335 ms

nippyo.co.jp screenshot

About Website

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

1918年創業。法律時報、法学セミナー、数学セミナー、経済セミナー、こころの科学、そだちの科学、統合失調症のひろば、など評価の高い雑誌を定期刊行しています。

Visit nippyo.co.jp

Key Findings

We analyzed Nippyo.co.jp page load time and found that the first response time was 976 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

nippyo.co.jp performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value50.4 s

0/100

25%

SI (Speed Index)

Value23.9 s

0/100

10%

TBT (Total Blocking Time)

Value1,230 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.179

67/100

15%

TTI (Time to Interactive)

Value46.1 s

0/100

10%

Network Requests Diagram

nippyo.co.jp

976 ms

select.js

327 ms

openwin.js

340 ms

external.js

339 ms

rollover.js

339 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 92% of them (84 requests) were addressed to the original Nippyo.co.jp, 4% (4 requests) were made to Trustlogo.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Nippyo.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.2 kB (21%)

Content Size

620.3 kB

After Optimization

489.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nippyo.co.jp main page is 620.3 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 481.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 51.6 kB

  • Original 60.1 kB
  • After minification 47.4 kB
  • After compression 8.5 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 12.7 kB, which is 21% 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 51.6 kB or 86% of the original size.

Image Optimization

-6%

Potential reduce by 29.1 kB

  • Original 481.3 kB
  • After minification 452.2 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. Nippyo images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 47.8 kB

  • Original 75.1 kB
  • After minification 73.1 kB
  • After compression 27.3 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 47.8 kB or 64% of the original size.

CSS Optimization

-72%

Potential reduce by 2.7 kB

  • Original 3.8 kB
  • After minification 3.1 kB
  • After compression 1.1 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. Nippyo.co.jp needs all CSS files to be minified and compressed as it can save up to 2.7 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (34%)

Requests Now

88

After Optimization

58

  • Images
  • JavaScript
  • CSS

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nippyo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

nippyo.co.jp

nippyo.co.jp

976 ms

select.js

select.js

327 ms

openwin.js

openwin.js

340 ms

external.js

external.js

339 ms

rollover.js

rollover.js

339 ms

onload.js

onload.js

337 ms

base.js

base.js

487 ms

base.css

base.css

504 ms

ga.js

ga.js

344 ms

trustlogo.js

trustlogo.js

65 ms

win_nn.css

win_nn.css

178 ms

analytics.js

analytics.js

54 ms

bg.gif

bg.gif

641 ms

bg_left.gif

bg_left.gif

505 ms

spacer.gif

spacer.gif

520 ms

headbg.jpg

headbg.jpg

1249 ms

rogo.jpg

rogo.jpg

872 ms

t_mini-a.png

t_mini-a.png

2254 ms

ibt_company.jpg

ibt_company.jpg

672 ms

ibt_recruit.jpg

ibt_recruit.jpg

694 ms

ibt_sitemap.jpg

ibt_sitemap.jpg

784 ms

ibt_home.jpg

ibt_home.jpg

840 ms

ibt_search.jpg

ibt_search.jpg

869 ms

ibt_member.jpg

ibt_member.jpg

944 ms

ibt_cart.jpg

ibt_cart.jpg

1006 ms

bg_right.gif

bg_right.gif

1044 ms

menu01.jpg

menu01.jpg

1047 ms

menu02.jpg

menu02.jpg

1105 ms

menu03.jpg

menu03.jpg

1174 ms

menu04.jpg

menu04.jpg

1224 ms

menu05.jpg

menu05.jpg

1223 ms

menulist01.jpg

menulist01.jpg

1424 ms

menulist02.jpg

menulist02.jpg

1508 ms

menulist03.jpg

menulist03.jpg

1398 ms

menulist04.jpg

menulist04.jpg

1399 ms

menulist05.jpg

menulist05.jpg

1422 ms

ichiryu-banner2.jpg

ichiryu-banner2.jpg

2450 ms

07054.jpg

07054.jpg

1574 ms

Bayes_banner.gif

Bayes_banner.gif

1946 ms

07051.jpg

07051.jpg

1587 ms

07050.jpg

07050.jpg

1675 ms

bn_ebook.jpg

bn_ebook.jpg

1750 ms

bn_line.gif

bn_line.gif

1746 ms

bn_ebook_kindle.jpg

bn_ebook_kindle.jpg

1844 ms

bn_nippyo-archives.jpg

bn_nippyo-archives.jpg

1907 ms

sns_head_Tw.png

sns_head_Tw.png

1926 ms

sns_btn_nippyo.png

sns_btn_nippyo.png

2012 ms

sns_btn_Dj.png

sns_btn_Dj.png

2068 ms

bg_left.gif

bg_left.gif

176 ms

spacer.gif

spacer.gif

170 ms

koushin_bg.jpg

koushin_bg.jpg

172 ms

tit_koushin.jpg

tit_koushin.jpg

171 ms

bt_rss.jpg

bt_rss.jpg

171 ms

koushin_right.jpg

koushin_right.jpg

163 ms

tensen_21.gif

tensen_21.gif

325 ms

tit_osusume.jpg

tit_osusume.jpg

340 ms

07039.jpg

07039.jpg

337 ms

bt_shosai.gif

bt_shosai.gif

339 ms

07027.jpg

07027.jpg

339 ms

07042.jpg

07042.jpg

350 ms

07047.jpg

07047.jpg

487 ms

tit_topics.jpg

tit_topics.jpg

505 ms

tit_tokushu.jpg

tit_tokushu.jpg

507 ms

seal_bg.gif

seal_bg.gif

52 ms

warranty_level.gif

warranty_level.gif

45 ms

line_31.gif

line_31.gif

482 ms

line_11.gif

line_11.gif

481 ms

bg_right.gif

bg_right.gif

500 ms

collect

collect

12 ms

seal_bg.gif

seal_bg.gif

74 ms

warranty_level.gif

warranty_level.gif

77 ms

sns_btn_archives.png

sns_btn_archives.png

1604 ms

sns_head_Fb.png

sns_head_Fb.png

1607 ms

blog_catalog.jpg

blog_catalog.jpg

1562 ms

bn_jshuppan.jpg

bn_jshuppan.jpg

1564 ms

blog_bn01.jpg

blog_bn01.jpg

1589 ms

blog_bn02.jpg

blog_bn02.jpg

1518 ms

blog_bn03.jpg

blog_bn03.jpg

1516 ms

blog_bn04.jpg

blog_bn04.jpg

1527 ms

bn_backnumber5.jpg

bn_backnumber5.jpg

1910 ms

bn_shinsai.jpg

bn_shinsai.jpg

1516 ms

wagatuma-banner.gif

wagatuma-banner.gif

1471 ms

medical_e-h.jpg

medical_e-h.jpg

1479 ms

cpitrustlogo.gif

cpitrustlogo.gif

1404 ms

bt_shosai_b.gif

bt_shosai_b.gif

179 ms

ibt_company_b.jpg

ibt_company_b.jpg

162 ms

ibt_recruit_b.jpg

ibt_recruit_b.jpg

178 ms

ibt_sitemap_b.jpg

ibt_sitemap_b.jpg

180 ms

ibt_home_b.jpg

ibt_home_b.jpg

181 ms

ibt_member_b.jpg

ibt_member_b.jpg

169 ms

ibt_cart_b.jpg

ibt_cart_b.jpg

182 ms

Accessibility Review

nippyo.co.jp accessibility score

71

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA IDs are not unique

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

Form elements do not have associated labels

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

nippyo.co.jp best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

nippyo.co.jp SEO score

91

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

    N/A

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nippyo.co.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 Nippyo.co.jp main page’s claimed encoding is euc-jp. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

nippyo.co.jp

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