Report Summary

  • 42

    Performance

    Renders faster than
    63% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 63% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    82% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

kenproduction.co.jp

賢プロダクション [Kenproduction] 声優事務所・タレント事務所・声優プロダクション

Page Load Speed

2.2 sec in total

First Response

536 ms

Resources Loaded

1.6 sec

Page Rendered

89 ms

kenproduction.co.jp screenshot

About Website

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

賢プロダクションは、東京渋谷にあるタレント・声優事務所です。アニメ・ナレーション・吹き替えなど。

Visit kenproduction.co.jp

Key Findings

We analyzed Kenproduction.co.jp page load time and found that the first response time was 536 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

kenproduction.co.jp performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.073

96/100

15%

TTI (Time to Interactive)

Value7.0 s

52/100

10%

Network Requests Diagram

kenproduction.co.jp

536 ms

kenpro.css

181 ms

iepngfix.js

349 ms

AC_RunActiveContent.js

350 ms

reset.css

182 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 82% of them (9 requests) were addressed to the original Kenproduction.co.jp, 18% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (688 ms) belongs to the original domain Kenproduction.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.2 kB (52%)

Content Size

52.8 kB

After Optimization

25.6 kB

In fact, the total size of Kenproduction.co.jp main page is 52.8 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. Only 5% of websites need less resources to load. CSS take 26.5 kB which makes up the majority of the site volume.

HTML Optimization

-54%

Potential reduce by 1.6 kB

  • Original 3.0 kB
  • After minification 2.9 kB
  • After compression 1.4 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 1.6 kB or 54% of the original size.

JavaScript Optimization

-19%

Potential reduce by 4.5 kB

  • Original 23.3 kB
  • After minification 21.6 kB
  • After compression 18.8 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 4.5 kB or 19% of the original size.

CSS Optimization

-80%

Potential reduce by 21.1 kB

  • Original 26.5 kB
  • After minification 23.4 kB
  • After compression 5.4 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. Kenproduction.co.jp needs all CSS files to be minified and compressed as it can save up to 21.1 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (44%)

Requests Now

9

After Optimization

5

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kenproduction. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kenproduction.co.jp accessibility score

86

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

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

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

kenproduction.co.jp best practices score

92

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

SEO Factors

kenproduction.co.jp SEO score

83

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

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Kenproduction.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 Kenproduction.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 Kenproduction. 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: