Tools & Wizards About Us

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

vdl.co.jp

視覚デザイン研究所｜デジタルフォント

Page Load Speed

9.9 sec in total

First Response

1.2 sec

Resources Loaded

8.3 sec

Page Rendered

365 ms

About Website

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

デジタルフォントの開発・販売：視覚デザイン研究所（VDL）のオフィシャルサイト。VDL TYPE LIBRARY＜デザイナーズフォント＞は、美しい文字デザインによる日本語フォント＝斬新なオリジナルフォントです。TV用フォントも揃っています。

Visit vdl.co.jp

Key Findings

We analyzed Vdl.co.jp page load time and found that the first response time was 1.2 sec and then it took 8.6 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

vdl.co.jp performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value1,140 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.317

36/100

15%

TTI (Time to Interactive)

Value22.9 s

1/100

10%

Network Requests Diagram

vdl.co.jp

1222 ms

generic.css

513 ms

headandfoot.css

355 ms

utility.css

1473 ms

top.css

558 ms

Our browser made a total of 180 requests to load all elements on the main page. We found that all of those requests were addressed to Vdl.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Vdl.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 511.9 kB (39%)

Content Size

1.3 MB

After Optimization

801.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vdl.co.jp main page is 1.3 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. 70% of websites need less resources to load. Images take 782.6 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 73.0 kB

  • Original 81.3 kB
  • After minification 74.6 kB
  • After compression 8.3 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 73.0 kB or 90% of the original size.

Image Optimization

-7%

Potential reduce by 56.1 kB

  • Original 782.6 kB
  • After minification 726.5 kB

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. Vdl images are well optimized though.

JavaScript Optimization

-83%

Potential reduce by 224.4 kB

  • Original 269.1 kB
  • After minification 151.8 kB
  • After compression 44.7 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 224.4 kB or 83% of the original size.

CSS Optimization

-88%

Potential reduce by 158.4 kB

  • Original 180.7 kB
  • After minification 151.9 kB
  • After compression 22.4 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. Vdl.co.jp needs all CSS files to be minified and compressed as it can save up to 158.4 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (5%)

Requests Now

179

After Optimization

170

  • Images
  • JavaScript
  • CSS

The browser has sent 179 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vdl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vdl.co.jp accessibility score

85

Accessibility Issues

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

Links do not have a discernible name

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

vdl.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

vdl.co.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 Vdl.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 Vdl.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

Open Graph description is not detected on the main page of Vdl. 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: