Tools & Wizards About Us

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

strad.co.jp

弦楽器ストラッド

Page Load Speed

4.7 sec in total

First Response

311 ms

Resources Loaded

4.1 sec

Page Rendered

218 ms

About Website

Welcome to strad.co.jp homepage info - get ready to check Strad best content for Japan right away, or after learning these important things about strad.co.jp

バイオリン・ビオラ・チェロ 弦楽器販売店。弦の通信販売も行っております。

Visit strad.co.jp

Key Findings

We analyzed Strad.co.jp page load time and found that the first response time was 311 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

strad.co.jp performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

strad.co.jp

311 ms

strad.co.jp

594 ms

www.strad.co.jp

786 ms

import.css

149 ms

css.js

296 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 68% of them (41 requests) were addressed to the original Strad.co.jp, 13% (8 requests) were made to Youtube.com and 5% (3 requests) were made to Jnn-pa.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Strad.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.3 kB (19%)

Content Size

685.3 kB

After Optimization

551.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Strad.co.jp main page is 685.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 303.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 26.9 kB

  • Original 34.1 kB
  • After minification 27.8 kB
  • After compression 7.2 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 6.3 kB, which is 19% 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 26.9 kB or 79% of the original size.

Image Optimization

-8%

Potential reduce by 23.9 kB

  • Original 303.1 kB
  • After minification 279.2 kB

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. Strad images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 80.0 kB

  • Original 278.0 kB
  • After minification 264.4 kB
  • After compression 198.0 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 80.0 kB or 29% of the original size.

CSS Optimization

-4%

Potential reduce by 2.6 kB

  • Original 70.1 kB
  • After minification 70.1 kB
  • After compression 67.5 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. Strad.co.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (39%)

Requests Now

56

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Strad. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

strad.co.jp accessibility score

75

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.

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

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

strad.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

SEO Factors

strad.co.jp SEO score

88

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

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 Strad.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 Strad.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 description is not detected on the main page of Strad. 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: