Tools & Wizards About Us
irtvnet.jp screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

irtvnet.jp

IRTV Network｜-IRTVでは投資家のためのIR情報を映像で配信しています

Page Load Speed

4.4 sec in total

First Response

594 ms

Resources Loaded

3.6 sec

Page Rendered

219 ms

irtvnet.jp screenshot

About Website

Welcome to irtvnet.jp homepage info - get ready to check IRTV Net best content right away, or after learning these important things about irtvnet.jp

IRTV Networkは、投資家が投資判断のために必要とする企業のIR情報を動画でタイムリーに配信するIR専門サイトです。

Visit irtvnet.jp

Key Findings

We analyzed Irtvnet.jp page load time and found that the first response time was 594 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

irtvnet.jp performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

74/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

irtvnet.jp

594 ms

www.irtvnet.jp

792 ms

style.css

534 ms

rollover.js

390 ms

random.js

394 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 93% of them (28 requests) were addressed to the original Irtvnet.jp, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Irtvnet.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.7 kB (35%)

Content Size

147.8 kB

After Optimization

96.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Irtvnet.jp main page is 147.8 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. 20% of websites need less resources to load. Images take 82.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 18.2 kB

  • Original 22.0 kB
  • After minification 17.9 kB
  • After compression 3.8 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. This page needs HTML code to be minified as it can gain 4.1 kB, which is 19% 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 18.2 kB or 83% of the original size.

Image Optimization

-14%

Potential reduce by 11.4 kB

  • Original 82.0 kB
  • After minification 70.6 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. Obviously, IRTV Net needs image optimization as it can save up to 11.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 1.1 kB

  • Original 18.9 kB
  • After minification 18.6 kB
  • After compression 17.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-85%

Potential reduce by 21.0 kB

  • Original 24.9 kB
  • After minification 18.7 kB
  • After compression 3.8 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. Irtvnet.jp needs all CSS files to be minified and compressed as it can save up to 21.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (25%)

Requests Now

28

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IRTV Net. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

irtvnet.jp

irtvnet.jp

594 ms

www.irtvnet.jp

www.irtvnet.jp

792 ms

style.css

style.css

534 ms

rollover.js

rollover.js

390 ms

random.js

random.js

394 ms

header_bg.gif

header_bg.gif

187 ms

logo.gif

logo.gif

357 ms

navi_b.gif

navi_b.gif

360 ms

navi_1.gif

navi_1.gif

365 ms

navi_2.gif

navi_2.gif

376 ms

navi_4.gif

navi_4.gif

390 ms

navi_5.gif

navi_5.gif

575 ms

line_dot.gif

line_dot.gif

736 ms

icon_mail.gif

icon_mail.gif

747 ms

index_main_bg.gif

index_main_bg.gif

1099 ms

index_main01.gif

index_main01.gif

951 ms

index_main02.gif

index_main02.gif

775 ms

index_button_01.gif

index_button_01.gif

965 ms

_index_main07.jpg

_index_main07.jpg

1501 ms

index_news_bg.gif

index_news_bg.gif

1133 ms

index_listed_title.gif

index_listed_title.gif

1137 ms

btn_mail.gif

btn_mail.gif

1313 ms

index_info_title.gif

index_info_title.gif

1357 ms

lstc.jpg

lstc.jpg

1610 ms

i_arrow01.gif

i_arrow01.gif

1477 ms

index_info_bg.gif

index_info_bg.gif

1493 ms

footer_bg.gif

footer_bg.gif

1653 ms

ga.js

ga.js

33 ms

__utm.gif

__utm.gif

24 ms

index_button_02.gif

index_button_02.gif

197 ms

Accessibility Review

irtvnet.jp accessibility score

69

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

irtvnet.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

irtvnet.jp SEO score

67

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

Image elements do not have [alt] attributes

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 Irtvnet.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 Irtvnet.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

irtvnet.jp

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