Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

level5.co.jp

株式会社レベルファイブ

Page Load Speed

6.4 sec in total

First Response

356 ms

Resources Loaded

5.4 sec

Page Rendered

703 ms

level5.co.jp screenshot

About Website

Visit level5.co.jp now to see the best up-to-date Level 5 content for Japan and also check out these interesting facts you probably never knew about level5.co.jp

株式会社レベルファイブ企業サイト。製品情報、会社情報、採用情報のご紹介。

Visit level5.co.jp

Key Findings

We analyzed Level5.co.jp page load time and found that the first response time was 356 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

level5.co.jp performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value16.0 s

0/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.627

9/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

level5.co.jp

356 ms

level5.co.jp

784 ms

www.level5.co.jp

1182 ms

gtm.js

62 ms

default.css

272 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 92% of them (49 requests) were addressed to the original Level5.co.jp, 4% (2 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Level5.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (29%)

Content Size

3.9 MB

After Optimization

2.8 MB

In fact, the total size of Level5.co.jp main page is 3.9 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. 50% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 19.3 kB

  • Original 23.9 kB
  • After minification 19.0 kB
  • After compression 4.6 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 5.0 kB, which is 21% 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 19.3 kB or 81% of the original size.

Image Optimization

-27%

Potential reduce by 996.7 kB

  • Original 3.7 MB
  • After minification 2.7 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. Obviously, Level 5 needs image optimization as it can save up to 996.7 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 100.8 kB

  • Original 165.3 kB
  • After minification 141.6 kB
  • After compression 64.5 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 100.8 kB or 61% of the original size.

CSS Optimization

-84%

Potential reduce by 9.2 kB

  • Original 10.9 kB
  • After minification 7.3 kB
  • After compression 1.7 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. Level5.co.jp needs all CSS files to be minified and compressed as it can save up to 9.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (10%)

Requests Now

50

After Optimization

45

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Level 5. 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 as a result speed up the page load time.

Accessibility Review

level5.co.jp accessibility score

89

Accessibility Issues

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

level5.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

level5.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

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 Level5.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 Level5.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 Level 5. 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: