Tools & Wizards About Us
crevis.co.jp screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

crevis.co.jp

株式会社クレヴィス

Page Load Speed

8 sec in total

First Response

553 ms

Resources Loaded

6.6 sec

Page Rendered

827 ms

crevis.co.jp screenshot

About Website

Visit crevis.co.jp now to see the best up-to-date Crevis content for Japan and also check out these interesting facts you probably never knew about crevis.co.jp

出版社クレヴィスの公式サイト。 主に写真集や作品集の出版を手掛ける。また、国内外の展覧会事業も行う。

Visit crevis.co.jp

Key Findings

We analyzed Crevis.co.jp page load time and found that the first response time was 553 ms and then it took 7.5 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

crevis.co.jp performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value20.2 s

0/100

25%

SI (Speed Index)

Value15.8 s

0/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.217

57/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

crevis.co.jp

553 ms

crevis.co.jp

1703 ms

drawer.css

347 ms

layout.css

693 ms

styles.css

865 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 81% of them (34 requests) were addressed to the original Crevis.co.jp, 12% (5 requests) were made to Cdn.jsdelivr.net and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Crevis.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 248.8 kB (1%)

Content Size

20.9 MB

After Optimization

20.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Crevis.co.jp main page is 20.9 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. 35% of websites need less resources to load. Images take 20.7 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 37.9 kB

  • Original 45.2 kB
  • After minification 41.2 kB
  • After compression 7.3 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 37.9 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 71.2 kB

  • Original 20.7 MB
  • After minification 20.6 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. Crevis images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 59.4 kB

  • Original 91.3 kB
  • After minification 90.4 kB
  • After compression 31.9 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 59.4 kB or 65% of the original size.

CSS Optimization

-86%

Potential reduce by 80.3 kB

  • Original 93.5 kB
  • After minification 64.5 kB
  • After compression 13.1 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. Crevis.co.jp needs all CSS files to be minified and compressed as it can save up to 80.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (29%)

Requests Now

38

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crevis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

crevis.co.jp

crevis.co.jp

553 ms

crevis.co.jp

crevis.co.jp

1703 ms

drawer.css

drawer.css

347 ms

layout.css

layout.css

693 ms

styles.css

styles.css

865 ms

pages.css

pages.css

695 ms

css2

css2

35 ms

slick.css

slick.css

37 ms

slick-theme.css

slick-theme.css

45 ms

js

js

68 ms

jquery.min.js

jquery.min.js

1048 ms

common.js

common.js

389 ms

header.js

header.js

522 ms

slick.min.js

slick.min.js

13 ms

home.js

home.js

576 ms

%E7%99%BA%E5%A3%B2%E4%B8%ADPC-0528fix.jpg

%E7%99%BA%E5%A3%B2%E4%B8%ADPC-0528fix.jpg

2087 ms

%E7%99%BA%E5%A3%B2%E4%B8%ADSP-0528fix.jpg

%E7%99%BA%E5%A3%B2%E4%B8%ADSP-0528fix.jpg

2092 ms

%E3%81%93%E3%81%AE%E7%B4%A0%E6%99%B4%E3%82%89%E3%81%97%E3%81%8D_top_pc_%E5%A5%BD%E8%A9%95-1.jpg

%E3%81%93%E3%81%AE%E7%B4%A0%E6%99%B4%E3%82%89%E3%81%97%E3%81%8D_top_pc_%E5%A5%BD%E8%A9%95-1.jpg

2117 ms

%E3%81%93%E3%81%AE%E7%B4%A0%E6%99%B4%E3%82%89%E3%81%97%E3%81%8D_top_sp_%E5%A5%BD%E8%A9%95.jpg

%E3%81%93%E3%81%AE%E7%B4%A0%E6%99%B4%E3%82%89%E3%81%97%E3%81%8D_top_sp_%E5%A5%BD%E8%A9%95.jpg

2421 ms

Takasago_PC-%E9%80%9A%E5%B8%B8.jpg

Takasago_PC-%E9%80%9A%E5%B8%B8.jpg

2087 ms

Takasago_SP-%E9%80%9A%E5%B8%B8.jpg

Takasago_SP-%E9%80%9A%E5%B8%B8.jpg

1558 ms

%E6%96%B0%E3%82%A2%E3%83%A9%E3%83%93%E3%82%A2%E3%83%B3%E3%83%8A%E3%82%A4%E3%83%883_WEB%E7%94%A8_TOP_PC.jpg

%E6%96%B0%E3%82%A2%E3%83%A9%E3%83%93%E3%82%A2%E3%83%B3%E3%83%8A%E3%82%A4%E3%83%883_WEB%E7%94%A8_TOP_PC.jpg

2606 ms

%E6%96%B0%E3%82%A2%E3%83%A9%E3%83%93%E3%82%A2%E3%83%B3%E3%83%8A%E3%82%A4%E3%83%883_WEB%E7%94%A8_TOP_SP.jpg

%E6%96%B0%E3%82%A2%E3%83%A9%E3%83%93%E3%82%A2%E3%83%B3%E3%83%8A%E3%82%A4%E3%83%883_WEB%E7%94%A8_TOP_SP.jpg

2784 ms

%E9%83%BD%E5%86%99%E7%BE%8E_%E6%9C%A8%E6%9D%91_PC_%E6%9C%AC_%E7%99%BA%E5%A3%B2%E4%B8%AD.jpg

%E9%83%BD%E5%86%99%E7%BE%8E_%E6%9C%A8%E6%9D%91_PC_%E6%9C%AC_%E7%99%BA%E5%A3%B2%E4%B8%AD.jpg

2439 ms

%E9%83%BD%E5%86%99%E7%BE%8E_%E6%9C%A8%E6%9D%91_SP_%E6%9C%AC_%E7%99%BA%E5%A3%B2%E4%B8%AD.jpg

%E9%83%BD%E5%86%99%E7%BE%8E_%E6%9C%A8%E6%9D%91_SP_%E6%9C%AC_%E7%99%BA%E5%A3%B2%E4%B8%AD.jpg

2280 ms

%E6%9B%B8%E5%BD%B1fix-h1060px.jpg

%E6%9B%B8%E5%BD%B1fix-h1060px.jpg

2640 ms

whatawonderfulworld_p01.jpg

whatawonderfulworld_p01.jpg

2655 ms

arabiannight3_p01.jpg

arabiannight3_p01.jpg

2594 ms

voicesofourplanet_p01.jpg

voicesofourplanet_p01.jpg

2614 ms

newedition_iheikimura_p00.jpg

newedition_iheikimura_p00.jpg

2769 ms

bond_p01.jpg

bond_p01.jpg

2782 ms

koneko_ex01.jpg

koneko_ex01.jpg

3663 ms

%E6%97%A5%E6%9C%AC%E3%81%AD%E3%81%93%E6%AD%A9%E3%81%8D_HP_exbition_0712.jpg

%E6%97%A5%E6%9C%AC%E3%81%AD%E3%81%93%E6%AD%A9%E3%81%8D_HP_exbition_0712.jpg

2988 ms

%E6%82%A0%E4%B9%85%E3%83%A1%E3%82%A4%E3%83%B3.jpg

%E6%82%A0%E4%B9%85%E3%83%A1%E3%82%A4%E3%83%B3.jpg

3590 ms

Exhibition-0528fix.jpg

Exhibition-0528fix.jpg

3460 ms

%E3%83%91%E3%83%B3%E3%82%BF%E3%83%8A%E3%83%BC%E3%83%AB_0217.jpg

%E3%83%91%E3%83%B3%E3%82%BF%E3%83%8A%E3%83%BC%E3%83%AB_0217.jpg

3483 ms

Hikari_ex01.jpg

Hikari_ex01.jpg

3133 ms

arrow_search.svg

arrow_search.svg

3162 ms

btn_search.svg

btn_search.svg

3308 ms

Qw3PZQNVED7rKGKxtqIqX5E-AVSJrOCfjY46_DjQXME.ttf

Qw3PZQNVED7rKGKxtqIqX5E-AVSJrOCfjY46_DjQXME.ttf

21 ms

ajax-loader.gif

ajax-loader.gif

31 ms

slick.woff

slick.woff

27 ms

Accessibility Review

crevis.co.jp accessibility score

93

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

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

crevis.co.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

crevis.co.jp SEO score

98

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

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 Crevis.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 Crevis.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

crevis.co.jp

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