Tools & Wizards About Us
sega.jp screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

sega.jp

SEGA セガ | 製品情報

Page Load Speed

12.5 sec in total

First Response

335 ms

Resources Loaded

8.7 sec

Page Rendered

3.5 sec

sega.jp screenshot

About Website

Click here to check amazing SEGA content for Japan. Otherwise, check out these important facts you probably never knew about sega.jp

セガ公式サイトです。SteamやEpic GamesなどPCゲーム、PS5やPS4、Switchなど家庭用ゲーム、またスマホゲームも。様々なプラットフォームで楽しめるセガのゲームラインナップをご紹介。

Visit sega.jp

Key Findings

We analyzed Sega.jp page load time and found that the first response time was 335 ms and then it took 12.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

sega.jp performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value28.3 s

0/100

25%

SI (Speed Index)

Value16.9 s

0/100

10%

TBT (Total Blocking Time)

Value3,980 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value40.8 s

0/100

10%

Network Requests Diagram

sega.jp

335 ms

sega.jp

678 ms

www.sega.jp

1307 ms

css2

60 ms

styles.css

762 ms

Our browser made a total of 200 requests to load all elements on the main page. We found that 46% of them (91 requests) were addressed to the original Sega.jp, 9% (18 requests) were made to Googleads.g.doubleclick.net and 8% (16 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Sega.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 189.4 kB (6%)

Content Size

3.0 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sega.jp main page is 3.0 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. Only a small number of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 102.6 kB

  • Original 120.8 kB
  • After minification 120.6 kB
  • After compression 18.1 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 102.6 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 6.3 kB

  • Original 2.6 MB
  • After minification 2.6 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. SEGA images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 9.7 kB

  • Original 219.9 kB
  • After minification 219.7 kB
  • After compression 210.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-95%

Potential reduce by 70.8 kB

  • Original 74.3 kB
  • After minification 3.5 kB
  • After compression 3.5 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. Sega.jp needs all CSS files to be minified and compressed as it can save up to 70.8 kB or 95% of the original size.

Requests Breakdown

Number of requests can be reduced by 108 (58%)

Requests Now

185

After Optimization

77

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 185 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SEGA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 69 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sega.jp

sega.jp

335 ms

sega.jp

sega.jp

678 ms

www.sega.jp

www.sega.jp

1307 ms

css2

css2

60 ms

styles.css

styles.css

762 ms

top.css

top.css

34 ms

general.css

general.css

50 ms

jquery.min.js

jquery.min.js

44 ms

iframe_api

iframe_api

66 ms

common.js

common.js

49 ms

main.js

main.js

1063 ms

swiper-bundle.min.js

swiper-bundle.min.js

69 ms

vedd3670a3b1c4e178fdfb0cc912d969e1713874337387

vedd3670a3b1c4e178fdfb0cc912d969e1713874337387

89 ms

swiper-bundle.min.css

swiper-bundle.min.css

17 ms

swiper-bundle.min.css

swiper-bundle.min.css

16 ms

swiper-bundle.min.js

swiper-bundle.min.js

17 ms

gtm.js

gtm.js

319 ms

logo.svg

logo.svg

1104 ms

sega-id.svg

sega-id.svg

199 ms

logo-white.svg

logo-white.svg

1114 ms

game_unicorn-overlord_pc.jpg

game_unicorn-overlord_pc.jpg

213 ms

game_supermonkeyball_br_pc.jpg

game_supermonkeyball_br_pc.jpg

2364 ms

game_puyo-puyppuyopuzzlepop_pc.jpg

game_puyo-puyppuyopuzzlepop_pc.jpg

1494 ms

am_maimai-deluxe-buddies-plus_pc.jpg

am_maimai-deluxe-buddies-plus_pc.jpg

2310 ms

etc_s-fire_fuwaputi_miku_pc.jpg

etc_s-fire_fuwaputi_miku_pc.jpg

234 ms

prize_conan-movie24_pc.jpg

prize_conan-movie24_pc.jpg

236 ms

dl_dartslive-home_pc.jpg

dl_dartslive-home_pc.jpg

274 ms

toy_whoareyou_rabbit_pc.jpg

toy_whoareyou_rabbit_pc.jpg

275 ms

anime_conan-movie2404_pc.jpg

anime_conan-movie2404_pc.jpg

347 ms

game_unicorn-overlord_th.jpg

game_unicorn-overlord_th.jpg

348 ms

game_supermonkeyball_br_th.jpg

game_supermonkeyball_br_th.jpg

514 ms

game_puyo-puyppuyopuzzlepop_th.jpg

game_puyo-puyppuyopuzzlepop_th.jpg

541 ms

am_maimai-deluxe-buddies-plus_th.jpg

am_maimai-deluxe-buddies-plus_th.jpg

787 ms

etc_s-fire_fuwaputi_miku_th.jpg

etc_s-fire_fuwaputi_miku_th.jpg

1091 ms

prize_conan-movie24_th.jpg

prize_conan-movie24_th.jpg

1113 ms

dl_dartslive-home_th.jpg

dl_dartslive-home_th.jpg

2290 ms

toy_whoareyou_rabbit_th.jpg

toy_whoareyou_rabbit_th.jpg

2314 ms

anime_conan-movie24_th.jpg

anime_conan-movie24_th.jpg

1140 ms

bnr_top_sale_240424.jpg

bnr_top_sale_240424.jpg

1255 ms

headline1_line.svg

headline1_line.svg

1478 ms

headline1_circle.png

headline1_circle.png

1493 ms

_files_co_topics_2024_04_240426_6_00_jpg_w500px_h281px.jpg

_files_co_topics_2024_04_240426_6_00_jpg_w500px_h281px.jpg

2731 ms

_files_co_topics_2024_04_240426_5_00_jpg_w500px_h281px.jpg

_files_co_topics_2024_04_240426_5_00_jpg_w500px_h281px.jpg

1528 ms

_files_co_topics_2024_04_240426_4_00_jpg_w500px_h281px.jpg

_files_co_topics_2024_04_240426_4_00_jpg_w500px_h281px.jpg

1629 ms

_files_co_topics_2024_04_240426_3_00_jpg_w500px_h281px.jpg

_files_co_topics_2024_04_240426_3_00_jpg_w500px_h281px.jpg

1630 ms

_files_co_topics_2024_04_240426_2_00_jpg_w500px_h281px.jpg

_files_co_topics_2024_04_240426_2_00_jpg_w500px_h281px.jpg

1691 ms

_files_co_topics_2024_04_240426_1_00_jpg_w500px_h281px.jpg

_files_co_topics_2024_04_240426_1_00_jpg_w500px_h281px.jpg

1691 ms

_files_co_topics_2024_04_240425_6_00_jpg_w500px_h281px.jpg

_files_co_topics_2024_04_240425_6_00_jpg_w500px_h281px.jpg

1691 ms

_files_co_topics_2024_04_240425_4_00_jpg_w500px_h281px.jpg

_files_co_topics_2024_04_240425_4_00_jpg_w500px_h281px.jpg

1692 ms

_files_co_images2_db_SOFT-2939_jpg_w500px_h281px.jpg

_files_co_images2_db_SOFT-2939_jpg_w500px_h281px.jpg

1693 ms

btn_switch.png

btn_switch.png

1694 ms

www-widgetapi.js

www-widgetapi.js

28 ms

_files_co_db_SOFT-2956_jpg_w500px_h281px.jpg

_files_co_db_SOFT-2956_jpg_w500px_h281px.jpg

1524 ms

e3tmeuShHdiFyPFzBRrQDBcgeA.woff

e3tmeuShHdiFyPFzBRrQDBcgeA.woff

959 ms

e3tmeuShHdiFyPFzBRrQWBIgeA.woff

e3tmeuShHdiFyPFzBRrQWBIgeA.woff

1314 ms

icons.woff

icons.woff

2426 ms

btn_xboxsx.png

btn_xboxsx.png

2137 ms

_files_co_db_SOFT-2965_jpg_w500px_h281px.jpg

_files_co_db_SOFT-2965_jpg_w500px_h281px.jpg

3718 ms

btn_ps5.png

btn_ps5.png

2804 ms

btn_ps4.png

btn_ps4.png

2089 ms

js

js

83 ms

cookie-consent-qtag.php

cookie-consent-qtag.php

1425 ms

bi.js

bi.js

1170 ms

u

u

1092 ms

kjduexwi

kjduexwi

940 ms

destination

destination

221 ms

analytics.js

analytics.js

429 ms

uwt.js

uwt.js

456 ms

ytag.js

ytag.js

1149 ms

pta.js

pta.js

573 ms

uh.js

uh.js

1357 ms

events.js

events.js

569 ms

fbevents.js

fbevents.js

444 ms

btn_xboxone.png

btn_xboxone.png

2738 ms

btn_steam.png

btn_steam.png

2029 ms

js

js

233 ms

js

js

536 ms

btn_epic.png

btn_epic.png

2018 ms

_files_co_db_SOFT-2948_png_w500px_h281px.png

_files_co_db_SOFT-2948_png_w500px_h281px.png

1891 ms

547 ms

btn_win.png

btn_win.png

1828 ms

collect

collect

315 ms

_files_co_db_SOFT-2966_jpg_w500px_h281px.jpg

_files_co_db_SOFT-2966_jpg_w500px_h281px.jpg

1660 ms

240846022145609

240846022145609

256 ms

adsct

adsct

761 ms

adsct

adsct

699 ms

main.MTIyYzc3NzllNA.js

main.MTIyYzc3NzllNA.js

316 ms

453824ab.js

453824ab.js

1177 ms

collect

collect

51 ms

_files_co_db_SOFT-2967_jpg_w500px_h281px.jpg

_files_co_db_SOFT-2967_jpg_w500px_h281px.jpg

1410 ms

_files_co_db_AM-0421_jpg_w500px_h281px.jpg

_files_co_db_AM-0421_jpg_w500px_h281px.jpg

1401 ms

_files_co_db_APPS-0411_jpg_w500px_h281px.jpg

_files_co_db_APPS-0411_jpg_w500px_h281px.jpg

1424 ms

btn_ios.png

btn_ios.png

1424 ms

_files_co_db_AM-0420_jpg_w500px_h281px.jpg

_files_co_db_AM-0420_jpg_w500px_h281px.jpg

1428 ms

sonic_bg01.png

sonic_bg01.png

2062 ms

271 ms

kjduexwi

kjduexwi

226 ms

destination

destination

98 ms

sonic.png

sonic.png

1165 ms

sonic-sp.png

sonic-sp.png

1207 ms

top_game_pc.jpg

top_game_pc.jpg

1206 ms

top_game_soft.jpg

top_game_soft.jpg

1171 ms

184 ms

top_game_apps.jpg

top_game_apps.jpg

1070 ms

js

js

86 ms

js

js

175 ms

js

js

166 ms

js

js

159 ms

js

js

151 ms

js

js

144 ms

607128594200422

607128594200422

130 ms

tfa.js

tfa.js

626 ms

events.js

events.js

124 ms

events.js

events.js

601 ms

events.js

events.js

559 ms

bat.js

bat.js

600 ms

top_am.jpg

top_am.jpg

1040 ms

top_prize.jpg

top_prize.jpg

1038 ms

top_dl.jpg

top_dl.jpg

1046 ms

top_toy.jpg

top_toy.jpg

1999 ms

top_anime.jpg

top_anime.jpg

1074 ms

top_sega_goods.jpg

top_sega_goods.jpg

1074 ms

adsct

adsct

109 ms

adsct

adsct

120 ms

top_esports.jpg

top_esports.jpg

1097 ms

adsct

adsct

584 ms

adsct

adsct

644 ms

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adsct

639 ms

adsct

adsct

582 ms

adsct

adsct

638 ms

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adsct

686 ms

top_segaufo.jpg

top_segaufo.jpg

1094 ms

qtag.php

qtag.php

568 ms

511 ms

527 ms

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531 ms

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463 ms

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398 ms

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130 ms

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main.MTIyYzc3NzllNA.js

main.MTIyYzc3NzllNA.js

58 ms

top_s-fire.jpg

top_s-fire.jpg

516 ms

97009476.js

97009476.js

51 ms

50 ms

top_segaluckykujionline.jpg

top_segaluckykujionline.jpg

530 ms

top_segaarchives.jpg

top_segaarchives.jpg

525 ms

main.js

main.js

524 ms

json

json

55 ms

35 ms

41 ms

top_liveprogram.jpg

top_liveprogram.jpg

512 ms

97009476

97009476

63 ms

27 ms

34 ms

35 ms

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87 ms

28 ms

top_snsdl_24.jpg

top_snsdl_24.jpg

511 ms

top_histry.jpg

top_histry.jpg

1468 ms

24 ms

20 ms

27 ms

32 ms

top_segahard.jpg

top_segahard.jpg

1804 ms

cds-pips.js

cds-pips.js

4 ms

eid.es5.js

eid.es5.js

6 ms

top_60th.jpg

top_60th.jpg

1941 ms

pips.taboola.com

pips.taboola.com

19 ms

icon_facebook.png

icon_facebook.png

1635 ms

clarity.js

clarity.js

29 ms

icon_x.png

icon_x.png

2025 ms

63 ms

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72 ms

icon_instagram.png

icon_instagram.png

2052 ms

icon_line.png

icon_line.png

2375 ms

32 ms

icon_youtube.png

icon_youtube.png

2260 ms

34 ms

icon_tiktok.png

icon_tiktok.png

2386 ms

icon_LinkedIn.png

icon_LinkedIn.png

2778 ms

icon_twitter.png

icon_twitter.png

1892 ms

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67 ms

gfooter_bg.svg

gfooter_bg.svg

2761 ms

17 ms

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c.gif

c.gif

8 ms

Accessibility Review

sega.jp accessibility score

80

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

sega.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

sega.jp SEO score

83

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Sega.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 Sega.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

sega.jp

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