Tools & Wizards About Us
bros-comic.co.jp screenshot

Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

bros-comic.co.jp

株式会社 BRO'S | 岡山県岡山市にある同人誌専門の印刷会社

Page Load Speed

6 sec in total

First Response

505 ms

Resources Loaded

5.2 sec

Page Rendered

311 ms

bros-comic.co.jp screenshot

About Website

Welcome to bros-comic.co.jp homepage info - get ready to check BRO Scomic best content for Japan right away, or after learning these important things about bros-comic.co.jp

岡山にある同人誌専門の印刷会社です。予約不要で様々なフェアーを実施しています。

Visit bros-comic.co.jp

Key Findings

We analyzed Bros-comic.co.jp page load time and found that the first response time was 505 ms and then it took 5.5 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

bros-comic.co.jp performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value26.2 s

0/100

25%

SI (Speed Index)

Value17.1 s

0/100

10%

TBT (Total Blocking Time)

Value11,100 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.381

27/100

15%

TTI (Time to Interactive)

Value29.3 s

0/100

10%

Network Requests Diagram

bros-comic.co.jp

505 ms

www.bros-comic.co.jp

1423 ms

style.css

818 ms

perfect-scrollbar.css

507 ms

swiper.min.css

678 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 76% of them (71 requests) were addressed to the original Bros-comic.co.jp, 19% (18 requests) were made to Platform.twitter.com and 2% (2 requests) were made to Syndication.twitter.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Bros-comic.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 247.6 kB (12%)

Content Size

2.1 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bros-comic.co.jp main page is 2.1 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 71.4 kB

  • Original 83.0 kB
  • After minification 54.8 kB
  • After compression 11.7 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 28.3 kB, which is 34% 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 71.4 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 26.6 kB

  • Original 1.8 MB
  • After minification 1.7 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. BRO Scomic images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 85.6 kB

  • Original 143.1 kB
  • After minification 125.8 kB
  • After compression 57.5 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 85.6 kB or 60% of the original size.

CSS Optimization

-86%

Potential reduce by 64.0 kB

  • Original 74.5 kB
  • After minification 56.5 kB
  • After compression 10.5 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. Bros-comic.co.jp needs all CSS files to be minified and compressed as it can save up to 64.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (25%)

Requests Now

91

After Optimization

68

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BRO Scomic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

bros-comic.co.jp

bros-comic.co.jp

505 ms

www.bros-comic.co.jp

www.bros-comic.co.jp

1423 ms

style.css

style.css

818 ms

perfect-scrollbar.css

perfect-scrollbar.css

507 ms

swiper.min.css

swiper.min.css

678 ms

jquery.min.js

jquery.min.js

19 ms

nav.js

nav.js

848 ms

share.js

share.js

883 ms

jquery.matchHeight.js

jquery.matchHeight.js

890 ms

pagetop.js

pagetop.js

980 ms

perfect-scrollbar.js

perfect-scrollbar.js

1017 ms

swiper.min.js

swiper.min.js

879 ms

lets-go-senkyo-bn.png

lets-go-senkyo-bn.png

895 ms

logo.gif

logo.gif

251 ms

h_mascot.gif

h_mascot.gif

249 ms

tel.gif

tel.gif

250 ms

member.gif

member.gif

319 ms

g_nav.gif

g_nav.gif

327 ms

icon_shimekiri.png

icon_shimekiri.png

336 ms

mainvisual_1.jpg

mainvisual_1.jpg

510 ms

mainvisual_14.jpg

mainvisual_14.jpg

649 ms

mainvisual_13.jpg

mainvisual_13.jpg

816 ms

mainvisual_4.jpg

mainvisual_4.jpg

670 ms

mainvisual_8.jpg

mainvisual_8.jpg

1020 ms

mainvisual_7.jpg

mainvisual_7.jpg

1322 ms

mainvisual_11.jpg

mainvisual_11.jpg

1448 ms

mainvisual_9.jpg

mainvisual_9.jpg

816 ms

mainvisual_6.jpg

mainvisual_6.jpg

838 ms

mainvisual_3_2.jpg

mainvisual_3_2.jpg

979 ms

bnr_m_yoyaku.jpg

bnr_m_yoyaku.jpg

981 ms

bnr_m_mihonshi.jpg

bnr_m_mihonshi.jpg

1005 ms

bnr_m_freemail.jpg

bnr_m_freemail.jpg

1141 ms

date_service_banner.jpg

date_service_banner.jpg

1148 ms

0617_0628.jpg

0617_0628.jpg

1346 ms

bnr_rinjikyu.jpg

bnr_rinjikyu.jpg

1528 ms

zaiko_haku.jpg

zaiko_haku.jpg

1323 ms

ti_pickup.gif

ti_pickup.gif

1325 ms

bnr_picup_odspcl.jpg

bnr_picup_odspcl.jpg

1440 ms

bnr_picup_kaleido.jpg

bnr_picup_kaleido.jpg

1468 ms

bnr_b2card.jpg

bnr_b2card.jpg

1480 ms

bnr_picup_akaboo_touhyou.jpg

bnr_picup_akaboo_touhyou.jpg

1506 ms

bnr_picup_pdf.gif

bnr_picup_pdf.gif

1613 ms

bnr_picup_kyousan-event2.jpg

bnr_picup_kyousan-event2.jpg

1620 ms

dorevo_bn.jpg

dorevo_bn.jpg

1631 ms

bnr_picup_u18ouen.jpg

bnr_picup_u18ouen.jpg

1645 ms

bnr_picup_zaiko.jpg

bnr_picup_zaiko.jpg

1674 ms

ti_please.gif

ti_please.gif

1699 ms

widgets.js

widgets.js

18 ms

bnr_katsuyou_web.gif

bnr_katsuyou_web.gif

1688 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

36 ms

bnr_katsuyou_calculator.gif

bnr_katsuyou_calculator.gif

1551 ms

bnr_katsuyou_faq.gif

bnr_katsuyou_faq.gif

1551 ms

bnr_katsuyou_template.gif

bnr_katsuyou_template.gif

1566 ms

ti_calendar.gif

ti_calendar.gif

1592 ms

settings

settings

70 ms

ti_reason.gif

ti_reason.gif

1555 ms

reason_01.png

reason_01.png

1634 ms

reason_02.png

reason_02.png

1636 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

7 ms

bros_printing

bros_printing

841 ms

reason_03.png

reason_03.png

1451 ms

side_i_mypage.gif

side_i_mypage.gif

1332 ms

side_i_service.gif

side_i_service.gif

1344 ms

side_i_shimekiri.gif

side_i_shimekiri.gif

1228 ms

side_i_nyuukou.gif

side_i_nyuukou.gif

1308 ms

side_i_template.gif

side_i_template.gif

1295 ms

side_i_pay.gif

side_i_pay.gif

1166 ms

side_i_contact.gif

side_i_contact.gif

1163 ms

side_i_mitsumori.gif

side_i_mitsumori.gif

1174 ms

side_bnr_price.jpg

side_bnr_price.jpg

1192 ms

side_bnr_azukari.jpg

side_bnr_azukari.jpg

1144 ms

side_bnr_freemail.jpg

side_bnr_freemail.jpg

1157 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

7 ms

runtime-b1c52fd0a13ead5fcf6b.js

runtime-b1c52fd0a13ead5fcf6b.js

10 ms

modules-96ebc7ac3ad66d681a3d.js

modules-96ebc7ac3ad66d681a3d.js

42 ms

main-babd9234dc048fb47339.js

main-babd9234dc048fb47339.js

15 ms

_app-a9c9f1a99e4414675fb1.js

_app-a9c9f1a99e4414675fb1.js

75 ms

%5BscreenName%5D-0517bdda27d5006a5a2d.js

%5BscreenName%5D-0517bdda27d5006a5a2d.js

41 ms

_buildManifest.js

_buildManifest.js

89 ms

_ssgManifest.js

_ssgManifest.js

40 ms

8526.0c32a8f0cfc5749221a3.js

8526.0c32a8f0cfc5749221a3.js

17 ms

7651.a95a6a76dc7859214377.js

7651.a95a6a76dc7859214377.js

18 ms

side_bnr_melon2.jpg

side_bnr_melon2.jpg

994 ms

SDGs_bros.jpg

SDGs_bros.jpg

986 ms

8283.f3e5048cca7cef5eed7f.js

8283.f3e5048cca7cef5eed7f.js

7 ms

3077.44bfeb00af01bc4020f6.js

3077.44bfeb00af01bc4020f6.js

13 ms

1362.42d432e02f7980bca032.js

1362.42d432e02f7980bca032.js

12 ms

4956.c4e51ef593974b9db0bb.js

4956.c4e51ef593974b9db0bb.js

37 ms

5893.d500bd2a89ded806aa73.js

5893.d500bd2a89ded806aa73.js

12 ms

footer_logo.png

footer_logo.png

1002 ms

f_tel.png

f_tel.png

1035 ms

go_top.png

go_top.png

1008 ms

go_top_on.png

go_top_on.png

1030 ms

Accessibility Review

bros-comic.co.jp accessibility score

85

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.

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

bros-comic.co.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

bros-comic.co.jp SEO score

67

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

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 Bros-comic.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 Bros-comic.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

bros-comic.co.jp

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