Tools & Wizards About Us
sempre.jp screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

sempre.jp

【SEMPRE】公式通販 家具・雑貨・インテリアショップのセンプレ

Page Load Speed

41.5 sec in total

First Response

1.6 sec

Resources Loaded

38.7 sec

Page Rendered

1.2 sec

sempre.jp screenshot

About Website

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

センプレは心地よい空間をトータルに提案するライフスタイルショップです。世界中から選び抜いた家具や雑貨を取り揃えています。

Visit sempre.jp

Key Findings

We analyzed Sempre.jp page load time and found that the first response time was 1.6 sec and then it took 39.9 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

sempre.jp performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value24.8 s

0/100

10%

TBT (Total Blocking Time)

Value1,530 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.109

87/100

15%

TTI (Time to Interactive)

Value24.7 s

0/100

10%

Network Requests Diagram

www.sempre.jp

1602 ms

gtm.js

48 ms

style.css

1156 ms

jquery-3.7.1.min.js

1365 ms

sempre.js

1185 ms

Our browser made a total of 198 requests to load all elements on the main page. We found that 84% of them (166 requests) were addressed to the original Sempre.jp, 7% (13 requests) were made to Fspark-ap.com and 2% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (10.6 sec) belongs to the original domain Sempre.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 259.4 kB (6%)

Content Size

4.3 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sempre.jp main page is 4.3 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. 45% of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 96.7 kB

  • Original 114.9 kB
  • After minification 112.2 kB
  • After compression 18.2 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 96.7 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 155.0 kB

  • Original 4.0 MB
  • After minification 3.9 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. SEMPRE images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 6.9 kB

  • Original 135.4 kB
  • After minification 134.1 kB
  • After compression 128.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-13%

Potential reduce by 938 B

  • Original 7.3 kB
  • After minification 7.3 kB
  • After compression 6.4 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. Sempre.jp needs all CSS files to be minified and compressed as it can save up to 938 B or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (16%)

Requests Now

196

After Optimization

164

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 196 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SEMPRE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.sempre.jp

www.sempre.jp

1602 ms

gtm.js

gtm.js

48 ms

style.css

style.css

1156 ms

jquery-3.7.1.min.js

jquery-3.7.1.min.js

1365 ms

sempre.js

sempre.js

1185 ms

slick.css

slick.css

1201 ms

slick-theme.css

slick-theme.css

1200 ms

slick.min.js

slick.min.js

1329 ms

js

js

49 ms

conversion.js

conversion.js

93 ms

s_retargeting.js

s_retargeting.js

743 ms

script

script

790 ms

vGcR9A7es40P10095FS.js

vGcR9A7es40P10095FS.js

703 ms

core.js

core.js

121 ms

analytics.js

analytics.js

117 ms

newwindow.png

newwindow.png

1075 ms

toparrow.png

toparrow.png

1239 ms

sempre_logo.png

sempre_logo.png

1238 ms

A01.png

A01.png

1267 ms

A09.png

A09.png

1273 ms

A02.png

A02.png

1291 ms

A03.png

A03.png

1309 ms

A04.png

A04.png

2383 ms

A11.png

A11.png

2450 ms

A13.png

A13.png

2452 ms

A06.png

A06.png

2464 ms

A05.png

A05.png

2472 ms

A07.png

A07.png

2488 ms

A08.png

A08.png

3613 ms

W01.png

W01.png

3664 ms

B04.png

B04.png

3679 ms

B06.png

B06.png

3674 ms

B01.png

B01.png

3672 ms

B02.png

B02.png

3683 ms

B09.png

B09.png

4776 ms

B05.png

B05.png

4836 ms

B07.png

B07.png

4864 ms

B08.png

B08.png

4861 ms

C07.png

C07.png

4866 ms

C05.png

C05.png

4869 ms

C06.png

C06.png

5955 ms

C08.png

C08.png

6015 ms

C09.png

C09.png

6033 ms

C11.png

C11.png

6058 ms

D01.png

D01.png

6080 ms

D02.png

D02.png

6084 ms

D06.png

D06.png

7140 ms

D04.png

D04.png

7176 ms

D08.png

D08.png

7219 ms

D13.png

D13.png

7267 ms

D14.png

D14.png

7273 ms

126 ms

jquery.min.js

jquery.min.js

126 ms

D15.png

D15.png

7198 ms

fbevents.js

fbevents.js

94 ms

lt.js

lt.js

123 ms

js

js

55 ms

linkid.js

linkid.js

77 ms

36 ms

collect

collect

26 ms

sv

sv

475 ms

err.gif

err.gif

701 ms

collect

collect

11 ms

ga-audiences

ga-audiences

20 ms

uu

uu

676 ms

hmv2

hmv2

676 ms

hmv2

hmv2

675 ms

s_pv

s_pv

688 ms

analytics_log

analytics_log

674 ms

cartinfo_ajax.php

cartinfo_ajax.php

7106 ms

slick.woff

slick.woff

7167 ms

D09.png

D09.png

7133 ms

E01.png

E01.png

7150 ms

E07.png

E07.png

7133 ms

E02.png

E02.png

7122 ms

E03.png

E03.png

7116 ms

E06.png

E06.png

7107 ms

C02.png

C02.png

7127 ms

C01.png

C01.png

7118 ms

C12.png

C12.png

7150 ms

C03.png

C03.png

7152 ms

C10.png

C10.png

7079 ms

D12.png

D12.png

7055 ms

C13.png

C13.png

7063 ms

C15.png

C15.png

7062 ms

C04.png

C04.png

7104 ms

C16.png

C16.png

7100 ms

C14.png

C14.png

7100 ms

C99.png

C99.png

7052 ms

F05.png

F05.png

7025 ms

X02.png

X02.png

7053 ms

W02.png

W02.png

7114 ms

icon_menu4.png

icon_menu4.png

7140 ms

icon_menu5.png

icon_menu5.png

7092 ms

icon_cart2.png

icon_cart2.png

7053 ms

icon_account2.png

icon_account2.png

7036 ms

icon_search4.png

icon_search4.png

7048 ms

icon_search3.png

icon_search3.png

7080 ms

check.png

check.png

7123 ms

2677.jpg

2677.jpg

7295 ms

2660.jpg

2660.jpg

7585 ms

11910.jpg

11910.jpg

8098 ms

363785799.jpg

363785799.jpg

8029 ms

363775840.jpg

363775840.jpg

8151 ms

10870.jpg

10870.jpg

9029 ms

0941_eco05.jpg

0941_eco05.jpg

8031 ms

11913.jpg

11913.jpg

8516 ms

11947.jpg

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8046 ms

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8088 ms

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8233 ms

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9102 ms

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8056 ms

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11937.jpg

8064 ms

11933.jpg

11933.jpg

8102 ms

11944.jpg

11944.jpg

8265 ms

icon_down.png

icon_down.png

8455 ms

11747.jpg

11747.jpg

9103 ms

10112.jpg

10112.jpg

8076 ms

hmv2

hmv2

667 ms

hmv2

hmv2

669 ms

11926.jpg

11926.jpg

8041 ms

11935.jpg

11935.jpg

8133 ms

11939.jpg

11939.jpg

8298 ms

11941.jpg

11941.jpg

8447 ms

11942.jpg

11942.jpg

9133 ms

11940.jpg

11940.jpg

8045 ms

icon_up.png

icon_up.png

8042 ms

344474805.jpg

344474805.jpg

8785 ms

344558824.jpg

344558824.jpg

9462 ms

363861804.jpg

363861804.jpg

9395 ms

363878814.jpg

363878814.jpg

10623 ms

2708_gpcp_jp.jpg

2708_gpcp_jp.jpg

8603 ms

2628.jpg

2628.jpg

8751 ms

2639_mkd_jp2.jpg

2639_mkd_jp2.jpg

9323 ms

img240222001.png

img240222001.png

9642 ms

2707.jpg

2707.jpg

9780 ms

1803_illust01.png

1803_illust01.png

10395 ms

1814_matterport2.jpg

1814_matterport2.jpg

9143 ms

2656_dlm2024ss.png

2656_dlm2024ss.png

9298 ms

2679_lightboc.jpg

2679_lightboc.jpg

9236 ms

2472_image3.jpg

2472_image3.jpg

9261 ms

2533_rls2.jpg

2533_rls2.jpg

9102 ms

icon_next.png

icon_next.png

8468 ms

103.png

103.png

8411 ms

106.png

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8784 ms

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9245 ms

411.png

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9104 ms

108.png

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9027 ms

155.png

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8458 ms

112.png

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8443 ms

105.png

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8987 ms

336.png

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9280 ms

128.png

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9120 ms

227.png

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9076 ms

218.png

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8415 ms

123.png

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8397 ms

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9067 ms

113.png

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9245 ms

321.png

321.png

9153 ms

188.png

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9077 ms

184.png

184.png

8394 ms

111.png

111.png

8427 ms

125.png

125.png

9056 ms

373.png

373.png

8663 ms

hmv2

hmv2

669 ms

hmv2

hmv2

670 ms

415.png

415.png

7987 ms

131.png

131.png

8111 ms

206.png

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7839 ms

142.png

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7689 ms

229.png

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7782 ms

152.png

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7891 ms

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7801 ms

315.png

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7704 ms

117.png

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7094 ms

317.png

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7087 ms

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7308 ms

148.png

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7188 ms

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7208 ms

138.png

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7291 ms

390.png

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7130 ms

350.png

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7293 ms

393.png

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7286 ms

413.png

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7115 ms

419.png

419.png

7138 ms

icon_account.png

icon_account.png

7085 ms

icon_cart.png

icon_cart.png

7119 ms

Facebook_Logo_Primary_dark.png

Facebook_Logo_Primary_dark.png

7271 ms

Instagram_Glyph_Black.svg

Instagram_Glyph_Black.svg

7133 ms

youtube_social_icon_dark.png

youtube_social_icon_dark.png

7100 ms

LINE_Brand_icon_black.png

LINE_Brand_icon_black.png

7317 ms

pinterest_dark.png

pinterest_dark.png

7068 ms

x-logo-black

x-logo-black

7134 ms

mail.svg

mail.svg

7255 ms

icon_back.png

icon_back.png

7126 ms

ajax-loader.gif

ajax-loader.gif

7177 ms

hmv2

hmv2

684 ms

hmv2

hmv2

694 ms

Accessibility Review

sempre.jp accessibility score

81

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

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

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

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>).

High

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

Best Practices

sempre.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

sempre.jp SEO score

100

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

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 Sempre.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 Sempre.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

sempre.jp

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