Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

miwa-lock.co.jp

美和ロック株式会社 | 鍵・錠前の総合メーカー

Page Load Speed

7.2 sec in total

First Response

524 ms

Resources Loaded

6 sec

Page Rendered

733 ms

miwa-lock.co.jp screenshot

About Website

Visit miwa-lock.co.jp now to see the best up-to-date Miwa Lock content for Japan and also check out these interesting facts you probably never knew about miwa-lock.co.jp

世界約50カ国にて愛用されている鍵メーカー。防犯対策から鍵・錠前の交換・取替え・取り付けのことなら美和ロックにお任せください。

Visit miwa-lock.co.jp

Key Findings

We analyzed Miwa-lock.co.jp page load time and found that the first response time was 524 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

miwa-lock.co.jp performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value15.7 s

0/100

10%

TBT (Total Blocking Time)

Value2,950 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.195

63/100

15%

TTI (Time to Interactive)

Value33.4 s

0/100

10%

Network Requests Diagram

miwa-lock.co.jp

524 ms

www.miwa-lock.co.jp

860 ms

www.miwa-lock.co.jp

1054 ms

import.css

493 ms

jquery.min.js

819 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 84% of them (81 requests) were addressed to the original Miwa-lock.co.jp, 4% (4 requests) were made to Cdn.agent.mobilus.me and 4% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Miwa-lock.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 369.2 kB (9%)

Content Size

4.0 MB

After Optimization

3.7 MB

In fact, the total size of Miwa-lock.co.jp main page is 4.0 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 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 36.8 kB

  • Original 46.6 kB
  • After minification 40.8 kB
  • After compression 9.8 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 5.7 kB, which is 12% 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 36.8 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 115.0 kB

  • Original 3.0 MB
  • After minification 2.9 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. Miwa Lock images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 74.0 kB

  • Original 788.1 kB
  • After minification 782.3 kB
  • After compression 714.1 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

-63%

Potential reduce by 143.3 kB

  • Original 225.9 kB
  • After minification 194.5 kB
  • After compression 82.6 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. Miwa-lock.co.jp needs all CSS files to be minified and compressed as it can save up to 143.3 kB or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (33%)

Requests Now

91

After Optimization

61

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Miwa Lock. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

miwa-lock.co.jp accessibility score

82

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 have valid values

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

Buttons do not have an accessible name

High

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

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.

Best Practices

miwa-lock.co.jp best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

miwa-lock.co.jp SEO score

98

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Miwa-lock.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Miwa-lock.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 Miwa Lock. 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: