Tools & Wizards About Us
seicomart.co.jp screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

seicomart.co.jp

セイコーマート

Page Load Speed

6.4 sec in total

First Response

676 ms

Resources Loaded

5.4 sec

Page Rendered

350 ms

seicomart.co.jp screenshot

About Website

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

セイコーマートの公式サイト。商品情報、セイコーマートクラブカードのご案内、店内のサービス、店舗のご案内、会社案内、採用情報など。

Visit seicomart.co.jp

Key Findings

We analyzed Seicomart.co.jp page load time and found that the first response time was 676 ms and then it took 5.7 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

seicomart.co.jp performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value1,390 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.402

25/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

Network Requests Diagram

seicomart.co.jp

676 ms

seicomart.co.jp

744 ms

jquery-1.11.3.min.js

368 ms

slick.css

543 ms

slick-theme.css

547 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 77% of them (73 requests) were addressed to the original Seicomart.co.jp, 7% (7 requests) were made to Googletagmanager.com and 3% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Seicomart.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.7 kB (3%)

Content Size

3.2 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Seicomart.co.jp main page is 3.2 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. 60% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 46.5 kB

  • Original 55.5 kB
  • After minification 39.9 kB
  • After compression 9.1 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. This page needs HTML code to be minified as it can gain 15.6 kB, which is 28% 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 46.5 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 37.6 kB

  • Original 3.1 MB
  • After minification 3.0 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. Seicomart images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.3 kB

  • Original 68.3 kB
  • After minification 68.2 kB
  • After compression 67.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-41%

Potential reduce by 7.3 kB

  • Original 17.9 kB
  • After minification 17.2 kB
  • After compression 10.6 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. Seicomart.co.jp needs all CSS files to be minified and compressed as it can save up to 7.3 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (35%)

Requests Now

92

After Optimization

60

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seicomart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

seicomart.co.jp

seicomart.co.jp

676 ms

seicomart.co.jp

seicomart.co.jp

744 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

368 ms

slick.css

slick.css

543 ms

slick-theme.css

slick-theme.css

547 ms

slick.min.js

slick.min.js

552 ms

glonav_include.js

glonav_include.js

550 ms

cp_btm_ban.css

cp_btm_ban.css

561 ms

info.js

info.js

579 ms

import.css

import.css

348 ms

layout_top.css

layout_top.css

353 ms

reset.css

reset.css

185 ms

layout.css

layout.css

184 ms

common.css

common.css

182 ms

top.css

top.css

194 ms

2nd_common.css

2nd_common.css

185 ms

partner.css

partner.css

186 ms

gtm.js

gtm.js

126 ms

under_background.jpg

under_background.jpg

197 ms

spacer.gif

spacer.gif

198 ms

search_icon.jpg

search_icon.jpg

198 ms

head_store_search.png

head_store_search.png

196 ms

sb20240506_1.jpg

sb20240506_1.jpg

1210 ms

sb20240506_2.jpg

sb20240506_2.jpg

1099 ms

sb20240408_3.jpg

sb20240408_3.jpg

1850 ms

sb20240506_4.jpg

sb20240506_4.jpg

919 ms

sb20240429_5.jpg

sb20240429_5.jpg

1133 ms

sb20240506_6.jpg

sb20240506_6.jpg

1143 ms

chichi.jpg

chichi.jpg

1102 ms

aspara.jpg

aspara.jpg

1283 ms

yakiniku.jpg

yakiniku.jpg

1465 ms

iwashi.jpg

iwashi.jpg

1315 ms

tunen.jpg

tunen.jpg

1326 ms

toinstore_1_0506.gif

toinstore_1_0506.gif

1402 ms

toinstore_1_0506.jpg

toinstore_1_0506.jpg

1467 ms

toinstore_2_0506.gif

toinstore_2_0506.gif

1497 ms

toinstore_2_0506.jpg

toinstore_2_0506.jpg

1509 ms

toinstore_3_0506.gif

toinstore_3_0506.gif

1594 ms

toinstore_3_0506.jpg

toinstore_3_0506.jpg

1647 ms

toinstore_4_0506.gif

toinstore_4_0506.gif

1650 ms

toinstore_4.jpg

toinstore_4.jpg

1679 ms

toinstore_5_0506.gif

toinstore_5_0506.gif

1692 ms

toinstore_5_0920.jpg

toinstore_5_0920.jpg

1787 ms

toinstore_6_0506.gif

toinstore_6_0506.gif

1829 ms

toinstore_6_0506.jpg

toinstore_6_0506.jpg

1834 ms

top_new_h.png

top_new_h.png

1862 ms

top_new_f.png

top_new_f.png

1876 ms

side_hc_cm_takatoshi.jpg

side_hc_cm_takatoshi.jpg

1979 ms

pecoma_ban_pc.jpg

pecoma_ban_pc.jpg

2555 ms

storesong.jpg

storesong.jpg

2017 ms

mail_pc.jpg

mail_pc.jpg

2028 ms

top_r_ban_0501.png

top_r_ban_0501.png

2042 ms

smonline.png

smonline.png

2057 ms

sdk.js

sdk.js

74 ms

pc_glonav.html

pc_glonav.html

2133 ms

sdk.js

sdk.js

7 ms

js

js

51 ms

js

js

148 ms

analytics.js

analytics.js

267 ms

uwt.js

uwt.js

288 ms

destination

destination

285 ms

ytag.js

ytag.js

862 ms

esicaj3bno

esicaj3bno

278 ms

ajax.php

ajax.php

2259 ms

ajax.php

ajax.php

2276 ms

slick.woff

slick.woff

2007 ms

destination

destination

271 ms

sp_button.png

sp_button.png

2011 ms

collect

collect

105 ms

collect

collect

105 ms

clarity.js

clarity.js

92 ms

collect

collect

15 ms

js

js

45 ms

adsct

adsct

180 ms

adsct

adsct

180 ms

collect

collect

19 ms

js

js

123 ms

ga-audiences

ga-audiences

181 ms

gift.jpg

gift.jpg

1451 ms

top_clubcard.png

top_clubcard.png

1289 ms

top_ban_pecoma.png

top_ban_pecoma.png

1293 ms

cm.png

cm.png

1431 ms

appstore.svg

appstore.svg

1433 ms

googleplay.svg

googleplay.svg

1371 ms

ban_fb.png

ban_fb.png

1354 ms

ban_X.png

ban_X.png

1340 ms

ban_ig.png

ban_ig.png

1414 ms

kids_pc.png

kids_pc.png

1355 ms

top_r_ban_2.png

top_r_ban_2.png

1290 ms

copyright.gif

copyright.gif

1290 ms

header.jpg

header.jpg

1322 ms

ajax-loader.gif

ajax-loader.gif

1330 ms

dot_line.gif

dot_line.gif

745 ms

instore_submenu_background.gif

instore_submenu_background.gif

761 ms

c.gif

c.gif

7 ms

Accessibility Review

seicomart.co.jp accessibility score

88

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

seicomart.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

SEO Factors

seicomart.co.jp SEO score

90

Search Engine Optimization Advices

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 Seicomart.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 Seicomart.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

seicomart.co.jp

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