Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

tsb.jp

TSB マイチャン。テレビ信州

Page Load Speed

8.1 sec in total

First Response

755 ms

Resources Loaded

6.1 sec

Page Rendered

1.3 sec

tsb.jp screenshot

About Website

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

テレビ信州(TSB)公式ホームページ。長野県の最新ニュースを動画で配信、アナウンサー、サッカー情報、イベント、グルメ、温泉、健康、ガーデニングなど、信州の情報が満載。

Visit tsb.jp

Key Findings

We analyzed Tsb.jp page load time and found that the first response time was 755 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

tsb.jp performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value37.5 s

0/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.801

5/100

15%

TTI (Time to Interactive)

Value34.2 s

0/100

10%

Network Requests Diagram

tsb.jp

755 ms

js

85 ms

a_import.css

340 ms

a_top-import.css

344 ms

slick.css

350 ms

Our browser made a total of 144 requests to load all elements on the main page. We found that 83% of them (120 requests) were addressed to the original Tsb.jp, 3% (5 requests) were made to Pagead2.googlesyndication.com and 3% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (3.8 sec) relates to the external source Image.gallery.play.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (13%)

Content Size

16.7 MB

After Optimization

14.5 MB

In fact, the total size of Tsb.jp main page is 16.7 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. 75% 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 15.9 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 59.9 kB

  • Original 70.8 kB
  • After minification 54.2 kB
  • After compression 10.9 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 16.6 kB, which is 23% 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 59.9 kB or 85% of the original size.

Image Optimization

-13%

Potential reduce by 2.1 MB

  • Original 15.9 MB
  • After minification 13.8 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, TSB needs image optimization as it can save up to 2.1 MB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-12%

Potential reduce by 81.6 kB

  • Original 707.1 kB
  • After minification 707.0 kB
  • After compression 625.6 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 81.6 kB or 12% of the original size.

CSS Optimization

-39%

Potential reduce by 8.9 kB

  • Original 22.7 kB
  • After minification 22.3 kB
  • After compression 13.9 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. Tsb.jp needs all CSS files to be minified and compressed as it can save up to 8.9 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (33%)

Requests Now

136

After Optimization

91

The browser has sent 136 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TSB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tsb.jp accessibility score

77

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.

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.

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

tsb.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

tsb.jp SEO score

91

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