Report Summary

  • 29

    Performance

    Renders faster than
    48% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

mirapro.co.jp

株式会社ミラプロ | グローバルサイト | 溶接ベローズ | 成形ベローズ | 真空部品 | フレキシブルホース

Page Load Speed

7.7 sec in total

First Response

519 ms

Resources Loaded

6.8 sec

Page Rendered

383 ms

mirapro.co.jp screenshot

About Website

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

ミラプロの公式サイト、ミラプロは世界をリードする真空部品、装置メーカーです。溶接ベローズ、成形ベローズ、フレキシブルホース、真空配管や配管部品など、真空プロセスに欠かせない製品を提供しています。また、半導体関連分野の装置を自社設計、製造しています。

Visit mirapro.co.jp

Key Findings

We analyzed Mirapro.co.jp page load time and found that the first response time was 519 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

mirapro.co.jp performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value15.3 s

1/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.824

4/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

mirapro.co.jp

519 ms

www.mirapro.co.jp

1810 ms

js

63 ms

style.css

487 ms

animate.min.css

811 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 90% of them (81 requests) were addressed to the original Mirapro.co.jp, 3% (3 requests) were made to Use.fontawesome.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Mirapro.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 347.7 kB (13%)

Content Size

2.7 MB

After Optimization

2.3 MB

In fact, the total size of Mirapro.co.jp main page is 2.7 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. 40% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 63.2 kB

  • Original 74.1 kB
  • After minification 64.8 kB
  • After compression 10.9 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 9.3 kB, which is 13% 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 63.2 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 56.7 kB

  • Original 2.3 MB
  • After minification 2.2 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. Mirapro images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 126.9 kB

  • Original 202.7 kB
  • After minification 187.0 kB
  • After compression 75.8 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 126.9 kB or 63% of the original size.

CSS Optimization

-79%

Potential reduce by 100.8 kB

  • Original 126.8 kB
  • After minification 107.6 kB
  • After compression 26.0 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. Mirapro.co.jp needs all CSS files to be minified and compressed as it can save up to 100.8 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (38%)

Requests Now

82

After Optimization

51

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mirapro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

mirapro.co.jp accessibility score

86

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

mirapro.co.jp best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

mirapro.co.jp SEO score

84

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Mirapro.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 Mirapro.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 Mirapro. 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: