Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

marantz.jp

Marantz 公式サイト

Page Load Speed

2.7 sec in total

First Response

717 ms

Resources Loaded

1.6 sec

Page Rendered

298 ms

marantz.jp screenshot

About Website

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

“Marantz”はソウル・B・マランツ氏が1953年に設立したオーディオブランド。鋭い感性を持った音楽愛好家達の期待をも超越するという創業以来のソウル・B・マランツの精神は、常にマランツ製品の中に反映されています。

Visit marantz.jp

Key Findings

We analyzed Marantz.jp page load time and found that the first response time was 717 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

marantz.jp performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value29.3 s

0/100

25%

SI (Speed Index)

Value16.6 s

1/100

10%

TBT (Total Blocking Time)

Value4,310 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.159

74/100

15%

TTI (Time to Interactive)

Value24.2 s

1/100

10%

Network Requests Diagram

home.aspx

717 ms

global.css

46 ms

global.js

25 ms

jquery-1.7.2.js

73 ms

jquery.tools.min.js

71 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 94% of them (67 requests) were addressed to the original Marantz.jp, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to O.advg.jp. The less responsive or slowest element that took the longest time to load (717 ms) belongs to the original domain Marantz.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 894.0 kB (40%)

Content Size

2.2 MB

After Optimization

1.4 MB

In fact, the total size of Marantz.jp main page is 2.2 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. 65% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 37.7 kB

  • Original 51.3 kB
  • After minification 46.7 kB
  • After compression 13.6 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 37.7 kB or 73% of the original size.

Image Optimization

-11%

Potential reduce by 153.1 kB

  • Original 1.3 MB
  • After minification 1.2 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, Marantz needs image optimization as it can save up to 153.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-81%

Potential reduce by 536.9 kB

  • Original 663.2 kB
  • After minification 380.2 kB
  • After compression 126.3 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 536.9 kB or 81% of the original size.

CSS Optimization

-88%

Potential reduce by 166.3 kB

  • Original 189.9 kB
  • After minification 159.8 kB
  • After compression 23.6 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. Marantz.jp needs all CSS files to be minified and compressed as it can save up to 166.3 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (38%)

Requests Now

69

After Optimization

43

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Marantz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

marantz.jp accessibility score

90

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

marantz.jp best practices score

69

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

Missing source maps for large first-party JavaScript

SEO Factors

marantz.jp SEO score

80

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Marantz.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed English language. Our system also found out that Marantz.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 Marantz. 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: