Tools & Wizards About Us
usedguitar.jp screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

usedguitar.jp

すねまるのギタリスト講座

Page Load Speed

10.8 sec in total

First Response

1 sec

Resources Loaded

9 sec

Page Rendered

859 ms

usedguitar.jp screenshot

About Website

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

Just another WordPress site

Visit usedguitar.jp

Key Findings

We analyzed Usedguitar.jp page load time and found that the first response time was 1 sec and then it took 9.8 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

usedguitar.jp performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value10,540 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value23.7 s

1/100

10%

Network Requests Diagram

usedguitar.jp

1023 ms

colormekit.css

318 ms

colormekit-responsive.css

320 ms

cross-border-cart.css

333 ms

index.css

457 ms

Our browser made a total of 208 requests to load all elements on the main page. We found that 3% of them (6 requests) were addressed to the original Usedguitar.jp, 63% (131 requests) were made to Img13.shop-pro.jp and 13% (26 requests) were made to Ngcguitar.jp. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Img13.shop-pro.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 721.9 kB (15%)

Content Size

4.8 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Usedguitar.jp main page is 4.8 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. 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 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 88.9 kB

  • Original 104.8 kB
  • After minification 85.5 kB
  • After compression 15.9 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 19.3 kB, which is 18% 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 88.9 kB or 85% of the original size.

Image Optimization

-5%

Potential reduce by 203.5 kB

  • Original 4.0 MB
  • After minification 3.8 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. Usedguitar images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 304.2 kB

  • Original 468.9 kB
  • After minification 425.4 kB
  • After compression 164.7 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 304.2 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 125.2 kB

  • Original 150.8 kB
  • After minification 117.8 kB
  • After compression 25.5 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. Usedguitar.jp needs all CSS files to be minified and compressed as it can save up to 125.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 61 (29%)

Requests Now

207

After Optimization

146

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 207 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usedguitar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

usedguitar.jp

usedguitar.jp

1023 ms

colormekit.css

colormekit.css

318 ms

colormekit-responsive.css

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320 ms

cross-border-cart.css

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333 ms

index.css

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457 ms

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top.css

264 ms

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45 ms

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851 ms

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373 ms

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guitar.js

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collect

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parking.jpg

parking.jpg

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Accessibility Review

usedguitar.jp accessibility score

85

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

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

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

High

Links do not have a discernible name

Best Practices

usedguitar.jp 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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

usedguitar.jp SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usedguitar.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 Usedguitar.jp main page’s claimed encoding is euc-jp. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

usedguitar.jp

Open Graph data is detected on the main page of Usedguitar. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: