Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

ohm-electric.co.jp

株式会社オーム電機 | OHM ELECTRIC INC.

Page Load Speed

11.3 sec in total

First Response

539 ms

Resources Loaded

10.4 sec

Page Rendered

373 ms

ohm-electric.co.jp screenshot

About Website

Visit ohm-electric.co.jp now to see the best up-to-date OHM ELECTRIC content for Japan and also check out these interesting facts you probably never knew about ohm-electric.co.jp

【株式会社オーム電機】公式サイトです。オーム電機は、電気用品のメーカー・ベンダーとして、家庭用の配線器具やオーディオ用品、照明器具、理美容用品など家庭で実用的な商品を多数取り揃えております。

Visit ohm-electric.co.jp

Key Findings

We analyzed Ohm-electric.co.jp page load time and found that the first response time was 539 ms and then it took 10.8 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

ohm-electric.co.jp performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0.997

2/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

ohm-electric.co.jp

539 ms

www.ohm-electric.co.jp

1703 ms

reset.css

498 ms

common.css

509 ms

contents.css

683 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 72% of them (68 requests) were addressed to the original Ohm-electric.co.jp, 9% (9 requests) were made to and 6% (6 requests) were made to Img.youtube.com. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Ohm-electric.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 189.6 kB (8%)

Content Size

2.3 MB

After Optimization

2.2 MB

In fact, the total size of Ohm-electric.co.jp main page is 2.3 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. 45% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 88.2 kB

  • Original 110.4 kB
  • After minification 110.4 kB
  • After compression 22.2 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. 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 88.2 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 55.4 kB

  • Original 1.8 MB
  • After minification 1.7 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. OHM ELECTRIC images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 21.4 kB

  • Original 397.6 kB
  • After minification 397.6 kB
  • After compression 376.1 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

-34%

Potential reduce by 24.6 kB

  • Original 73.4 kB
  • After minification 68.0 kB
  • After compression 48.8 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. Ohm-electric.co.jp needs all CSS files to be minified and compressed as it can save up to 24.6 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (36%)

Requests Now

83

After Optimization

53

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OHM ELECTRIC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ohm-electric.co.jp accessibility score

95

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

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.

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

ohm-electric.co.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

ohm-electric.co.jp SEO score

79

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ohm-electric.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 Ohm-electric.co.jp main page’s claimed encoding is iso-8859-1. 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

Open Graph description is not detected on the main page of OHM ELECTRIC. 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: