Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

unext.jp

U-NEXT(ユーネクスト)-映画 / ドラマ / アニメから、マンガや雑誌といった電子書籍まで-│31日間無料トライアル

Page Load Speed

3.1 sec in total

First Response

529 ms

Resources Loaded

2.4 sec

Page Rendered

99 ms

unext.jp screenshot

About Website

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

<31日間無料トライアル実施中>映画/ドラマ/アニメ/電子書籍を観るならU-NEXT(ユーネクスト)。名作はもちろん最新作も!豊富な作品の中からお好きな動画を見つけて、是非お楽しみください。

Visit unext.jp

Key Findings

We analyzed Unext.jp page load time and found that the first response time was 529 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

unext.jp performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value17.2 s

0/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value15,850 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value37.0 s

0/100

10%

Network Requests Diagram

unext.jp

529 ms

unext.jp

701 ms

index.html

526 ms

reset.min.css

35 ms

gridPattern-header.svg

207 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 40% of them (2 requests) were addressed to the original Unext.jp, 20% (1 request) were made to Video.unext.jp and 20% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (701 ms) belongs to the original domain Unext.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 178.5 kB (50%)

Content Size

360.5 kB

After Optimization

182.1 kB

In fact, the total size of Unext.jp main page is 360.5 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 10% of websites need less resources to load. CSS take 163.2 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 4.0 kB

  • Original 6.9 kB
  • After minification 6.6 kB
  • After compression 2.8 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 4.0 kB or 59% of the original size.

Image Optimization

-0%

Potential reduce by 220 B

  • Original 77.9 kB
  • After minification 77.7 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. U NEXT images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 43.6 kB

  • Original 112.6 kB
  • After minification 103.9 kB
  • After compression 69.0 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 43.6 kB or 39% of the original size.

CSS Optimization

-80%

Potential reduce by 130.6 kB

  • Original 163.2 kB
  • After minification 162.8 kB
  • After compression 32.5 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. Unext.jp needs all CSS files to be minified and compressed as it can save up to 130.6 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of U NEXT. According to our analytics all requests are already optimized.

Accessibility Review

unext.jp accessibility score

71

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role]s are not contained by their required parent element

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

unext.jp best practices score

83

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

unext.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 Unext.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 Unext.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 U NEXT. 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: