Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

gtv.co.jp

群馬テレビ

Page Load Speed

13.3 sec in total

First Response

560 ms

Resources Loaded

11.9 sec

Page Rendered

830 ms

gtv.co.jp screenshot

About Website

Click here to check amazing Gtv content for Japan. Otherwise, check out these important facts you probably never knew about gtv.co.jp

ポチッと群テレ。 群馬テレビのオフィシャルサイトです。群馬県内のニュース動画や番組案内、イベント情報を掲載しています。

Visit gtv.co.jp

Key Findings

We analyzed Gtv.co.jp page load time and found that the first response time was 560 ms and then it took 12.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

gtv.co.jp performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value17.6 s

0/100

10%

TBT (Total Blocking Time)

Value7,050 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.371

29/100

15%

TTI (Time to Interactive)

Value39.1 s

0/100

10%

Network Requests Diagram

gtv.co.jp

560 ms

gtv.co.jp

1741 ms

reset.css

514 ms

base.css

514 ms

common.css

857 ms

Our browser made a total of 199 requests to load all elements on the main page. We found that 57% of them (113 requests) were addressed to the original Gtv.co.jp, 9% (18 requests) were made to Scontent-nrt1-1.cdninstagram.com and 6% (11 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (5.9 sec) relates to the external source Scontent-nrt1-1.cdninstagram.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (9%)

Content Size

11.8 MB

After Optimization

10.7 MB

In fact, the total size of Gtv.co.jp main page is 11.8 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 10.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 101.0 kB

  • Original 120.4 kB
  • After minification 100.5 kB
  • After compression 19.4 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. This page needs HTML code to be minified as it can gain 19.9 kB, which is 16% 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 101.0 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 464.0 kB

  • Original 10.5 MB
  • After minification 10.0 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. Gtv images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 120.9 kB

  • Original 704.3 kB
  • After minification 686.5 kB
  • After compression 583.4 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 120.9 kB or 17% of the original size.

CSS Optimization

-88%

Potential reduce by 394.8 kB

  • Original 449.2 kB
  • After minification 432.2 kB
  • After compression 54.5 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. Gtv.co.jp needs all CSS files to be minified and compressed as it can save up to 394.8 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 80 (43%)

Requests Now

187

After Optimization

107

The browser has sent 187 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gtv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 45 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

gtv.co.jp accessibility score

73

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

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

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

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

gtv.co.jp best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

gtv.co.jp SEO score

89

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

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 Gtv.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 Gtv.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 Gtv. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: