Tools & Wizards About Us

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

zasshi.tv

TOKYO NEWS マガジン＆ムック

Page Load Speed

108 sec in total

First Response

540 ms

Resources Loaded

14.3 sec

Page Rendered

93.2 sec

About Website

Click here to check amazing Zasshi content for Japan. Otherwise, check out these important facts you probably never knew about zasshi.tv

「TVガイド」「テレビブロス」「B.L.T.（ビー.エル.ティー.）」ほか、東京ニュース通信社が発行する、雑誌、増刊、ムック、書籍の紹介サイト「トウキョウニュース マガジン アンド ムック」。最新商品を中心に新着情報を紹介いたします。

Visit zasshi.tv

Key Findings

We analyzed Zasshi.tv page load time and found that the first response time was 540 ms and then it took 107.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

zasshi.tv performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

21/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.278

44/100

15%

TTI (Time to Interactive)

Value138.3 s

0/100

10%

Network Requests Diagram

zasshi.tv

540 ms

zasshi.tv

1404 ms

style.css

186 ms

style.css

369 ms

jquery.js

700 ms

Our browser made a total of 355 requests to load all elements on the main page. We found that 98% of them (349 requests) were addressed to the original Zasshi.tv, 1% (2 requests) were made to Google-analytics.com and 1% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Zasshi.tv.

Page Optimization Overview & Recommendations

Page size can be reduced by 287.6 kB (1%)

Content Size

54.7 MB

After Optimization

54.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zasshi.tv main page is 54.7 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. Only a small number of websites need less resources to load. Images take 54.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 121.3 kB

  • Original 146.7 kB
  • After minification 144.8 kB
  • After compression 25.5 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 121.3 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 154.7 kB

  • Original 54.4 MB
  • After minification 54.3 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. Zasshi images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 8.0 kB

  • Original 76.6 kB
  • After minification 76.6 kB
  • After compression 68.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-24%

Potential reduce by 3.7 kB

  • Original 15.5 kB
  • After minification 15.5 kB
  • After compression 11.8 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. Zasshi.tv needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (3%)

Requests Now

351

After Optimization

341

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 351 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zasshi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

zasshi.tv accessibility score

93

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-hidden="true"] elements contain focusable descendents

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

Links do not have a discernible name

Best Practices

zasshi.tv 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

zasshi.tv SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Zasshi.tv 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 Zasshi.tv 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 Zasshi. 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: