Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 82

    SEO

    Google-friendlier than
    44% 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

6 sec in total

First Response

554 ms

Resources Loaded

5.2 sec

Page Rendered

301 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 554 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

kenproduction.co.jp performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value8.5 s

37/100

10%

Network Requests Diagram

kenproduction.co.jp

554 ms

kenproduction.co.jp

995 ms

css2

37 ms

reset.css

190 ms

common.css

379 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 82% of them (36 requests) were addressed to the original Kenproduction.co.jp, 5% (2 requests) were made to Google-analytics.com and 5% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Kenproduction.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 256.4 kB (13%)

Content Size

2.0 MB

After Optimization

1.7 MB

In fact, the total size of Kenproduction.co.jp main page is 2.0 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. 30% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 14.8 kB

  • Original 18.1 kB
  • After minification 13.0 kB
  • After compression 3.3 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. This page needs HTML code to be minified as it can gain 5.2 kB, which is 28% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 14.8 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 105.2 kB

  • Original 1.7 MB
  • After minification 1.6 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. Kenproduction images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 88.9 kB

  • Original 163.1 kB
  • After minification 136.0 kB
  • After compression 74.2 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 88.9 kB or 55% of the original size.

CSS Optimization

-83%

Potential reduce by 47.4 kB

  • Original 57.3 kB
  • After minification 43.3 kB
  • After compression 9.9 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 47.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (48%)

Requests Now

40

After Optimization

21

The browser has sent 40 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 8 to 1 for JavaScripts and from 7 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

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

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

    N/A

  • 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 neither this language nor any other was claimed in <html> or <meta> tags. 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 data is detected on the main page of Kenproduction. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: