Tools & Wizards About Us
vancraft.co.jp screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

vancraft.co.jp

VANCRAFT | 株式会社ヴァンクラフト

Page Load Speed

3.7 sec in total

First Response

573 ms

Resources Loaded

3.1 sec

Page Rendered

64 ms

vancraft.co.jp screenshot

About Website

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

株式会社ヴァンクラフト - わたしたちは、広告のコミュニケーションツールが多様化する中、「何を」「どのように」伝えるかを常に意識しながら企画・制作をしています。

Visit vancraft.co.jp

Key Findings

We analyzed Vancraft.co.jp page load time and found that the first response time was 573 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

vancraft.co.jp performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value15.6 s

0/100

25%

SI (Speed Index)

Value12.1 s

3/100

10%

TBT (Total Blocking Time)

Value920 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.213

58/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

vancraft.co.jp

573 ms

www.vancraft.co.jp

901 ms

reset.css

185 ms

global.css

524 ms

stack.css

506 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 81% of them (17 requests) were addressed to the original Vancraft.co.jp, 10% (2 requests) were made to Fonts.gstatic.com and 5% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Vancraft.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 251.9 kB (73%)

Content Size

346.9 kB

After Optimization

95.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vancraft.co.jp main page is 346.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Javascripts take 311.7 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 3.6 kB

  • Original 5.3 kB
  • After minification 5.0 kB
  • After compression 1.7 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 3.6 kB or 68% of the original size.

Image Optimization

-45%

Potential reduce by 753 B

  • Original 1.7 kB
  • After minification 936 B

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. Obviously, VANCRAFT needs image optimization as it can save up to 753 B or 45% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 224.5 kB

  • Original 311.7 kB
  • After minification 303.6 kB
  • After compression 87.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 224.5 kB or 72% of the original size.

CSS Optimization

-82%

Potential reduce by 23.1 kB

  • Original 28.3 kB
  • After minification 19.9 kB
  • After compression 5.2 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. Vancraft.co.jp needs all CSS files to be minified and compressed as it can save up to 23.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (59%)

Requests Now

17

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VANCRAFT. 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

vancraft.co.jp

vancraft.co.jp

573 ms

www.vancraft.co.jp

www.vancraft.co.jp

901 ms

reset.css

reset.css

185 ms

global.css

global.css

524 ms

stack.css

stack.css

506 ms

css2

css2

33 ms

gtag.js

gtag.js

504 ms

jquery.min.js

jquery.min.js

1037 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

584 ms

jquery-ui.min.js

jquery-ui.min.js

1557 ms

common.js

common.js

668 ms

main.js

main.js

668 ms

top.js

top.js

691 ms

js

js

105 ms

logo.svg

logo.svg

171 ms

logo_w.svg

logo_w.svg

306 ms

fb.svg

fb.svg

307 ms

tw.svg

tw.svg

335 ms

loader.png

loader.png

341 ms

6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkM0o18E.ttf

6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkM0o18E.ttf

17 ms

6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkCEv18E.ttf

6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkCEv18E.ttf

31 ms

Accessibility Review

vancraft.co.jp accessibility score

68

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

vancraft.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

vancraft.co.jp SEO score

82

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vancraft.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Vancraft.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

vancraft.co.jp

Open Graph description is not detected on the main page of VANCRAFT. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: