Tools & Wizards About Us
kontrast.jp screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

kontrast.jp

KONTRAST inc.

Page Load Speed

9 sec in total

First Response

527 ms

Resources Loaded

5 sec

Page Rendered

3.5 sec

kontrast.jp screenshot

About Website

Welcome to kontrast.jp homepage info - get ready to check KONTRAST best content right away, or after learning these important things about kontrast.jp

ウェグナー他、ヴィンテージ北欧家具やセラミック等を扱うショッピングサイト。

Visit kontrast.jp

Key Findings

We analyzed Kontrast.jp page load time and found that the first response time was 527 ms and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

kontrast.jp performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value6.8 s

34/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.271

45/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

kontrast.jp

527 ms

kontrast.thebase.in

2646 ms

BASEshop-24515246fb087d964f79.css

26 ms

css2

41 ms

css2

56 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Kontrast.jp, 50% (26 requests) were made to Baseec-img-mng.akamaized.net and 10% (5 requests) were made to Static.thebase.in. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Kontrast.thebase.in.

Page Optimization Overview & Recommendations

Page size can be reduced by 418.7 kB (13%)

Content Size

3.2 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Kontrast.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. 65% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 417.2 kB

  • Original 503.5 kB
  • After minification 502.7 kB
  • After compression 86.4 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 417.2 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 1.5 kB

  • Original 2.7 MB
  • After minification 2.7 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. KONTRAST images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 30.5 kB
  • After minification 30.5 kB
  • After compression 30.5 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.

Requests Breakdown

Number of requests can be reduced by 24 (52%)

Requests Now

46

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KONTRAST. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kontrast.jp

kontrast.jp

527 ms

kontrast.thebase.in

kontrast.thebase.in

2646 ms

BASEshop-24515246fb087d964f79.css

BASEshop-24515246fb087d964f79.css

26 ms

css2

css2

41 ms

css2

css2

56 ms

jquery.min.js

jquery.min.js

30 ms

gtm.js

gtm.js

67 ms

2b956f96446d63f02fc32cea0740433c.jpg

2b956f96446d63f02fc32cea0740433c.jpg

250 ms

Oval_sale_wh.png

Oval_sale_wh.png

119 ms

pinit.js

pinit.js

118 ms

axios.min.js

axios.min.js

113 ms

intersection-observer.js

intersection-observer.js

137 ms

BASEshop-b6aa2cf981666211f86d.js

BASEshop-b6aa2cf981666211f86d.js

24 ms

message.apps-f2678f2167656d12ca3c.css

message.apps-f2678f2167656d12ca3c.css

92 ms

message.apps-c844889239c8edbef43a.js

message.apps-c844889239c8edbef43a.js

116 ms

cfba0e5ed25a542f5c3e43d7ce16c60a.jpg

cfba0e5ed25a542f5c3e43d7ce16c60a.jpg

184 ms

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74a6e506df9d6541cc2e2065209eb6ea.jpg

184 ms

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0778231f3822697b98abf63516e6e17d.jpg

182 ms

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5482eaeff9f7ba4d5123d32220db211b.jpg

223 ms

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b0ab7451004a87424c276d7ddae57e7f.jpg

249 ms

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8e0241df549f6f0148905a7e2852f98b.jpg

223 ms

a97f04dbc359875caebee058c6b619d5.jpg

a97f04dbc359875caebee058c6b619d5.jpg

223 ms

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ec537e35400f8e22d292b9836126fe79.jpg

235 ms

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ccc93e9d803a4db7855a1c28bc2ff8f0.jpg

234 ms

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ec545c458f742a0f44de945857927436.jpg

247 ms

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9ffdd03d1113a6b419c9fd2eed68569c.jpg

353 ms

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6204cb6d37d00314498186278a217b33.jpg

338 ms

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acb0c173462db28cc640cc0014a73960.jpg

281 ms

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d8c574f075e0193ff7319de39edd3a85.jpg

308 ms

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a02153ec11b239434d32fe560a6e4b4b.jpg

412 ms

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e82dad198296e1f8dd560dd460a18190.jpg

306 ms

974c9c574a2b26d0ce5de5c77d89679c.jpg

974c9c574a2b26d0ce5de5c77d89679c.jpg

392 ms

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ec87dbc0edd2d97322bc5adfc066c03d.jpg

425 ms

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3156fa2cf13e52c67faa417d2ccfe99e.jpg

439 ms

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63db2802a4d0edff6835c42df82c5a1a.jpg

485 ms

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8677a017d1ba944279085f3d8550c80b.jpg

512 ms

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e2a9c7c91ca591a8a214224f62497713.jpg

445 ms

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9e1a8ef6f9f7dc32b40bddfcf5edbf47.jpg

539 ms

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ee6ffdc43586bc6564ceb7558bc7d923.jpg

481 ms

709e11580edd39d8d2c7716bc39e3731.png

709e11580edd39d8d2c7716bc39e3731.png

1800 ms

tipi_new.png

tipi_new.png

180 ms

igicon.png

igicon.png

315 ms

fbicon.png

fbicon.png

430 ms

Oval_sale_yw.png

Oval_sale_yw.png

106 ms

Oval_hot_wh.png

Oval_hot_wh.png

110 ms

baselogo_gray.png

baselogo_gray.png

110 ms

index.php

index.php

666 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfMZs.woff

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfMZs.woff

75 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuFuYMZs.woff

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuFuYMZs.woff

111 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuBWYMZs.woff

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuBWYMZs.woff

113 ms

shopicon.ttf

shopicon.ttf

47 ms

pinit_main.js

pinit_main.js

36 ms

Accessibility Review

kontrast.jp accessibility score

62

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-hidden="true"] elements contain focusable descendents

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.

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

kontrast.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

Missing source maps for large first-party JavaScript

SEO Factors

kontrast.jp SEO score

86

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

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 Kontrast.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 Kontrast.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

kontrast.jp

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