Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

e-nagaoka.com

長岡特殊電線株式会社

Page Load Speed

8.4 sec in total

First Response

965 ms

Resources Loaded

7.3 sec

Page Rendered

207 ms

e-nagaoka.com screenshot

About Website

Click here to check amazing E Nagaoka content. Otherwise, check out these important facts you probably never knew about e-nagaoka.com

長岡特殊電線のホームページです。あらゆるニーズに対応できる製品作りを目指しております。汎用電線から特注の複合ケーブル、延長コード、環境に配慮したエコ電線の製造もしております。

Visit e-nagaoka.com

Key Findings

We analyzed E-nagaoka.com page load time and found that the first response time was 965 ms and then it took 7.5 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

e-nagaoka.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.104

88/100

15%

TTI (Time to Interactive)

Value13.0 s

13/100

10%

Network Requests Diagram

e-nagaoka.com

965 ms

android.js

387 ms

swiffyruntime.js

2918 ms

flash1.js

1984 ms

chc300.js

768 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 98% of them (54 requests) were addressed to the original E-nagaoka.com, 2% (1 request) were made to I.yimg.jp. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain E-nagaoka.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 568.7 kB (59%)

Content Size

963.8 kB

After Optimization

395.1 kB

In fact, the total size of E-nagaoka.com main page is 963.8 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. 15% of websites need less resources to load. Javascripts take 866.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 25.8 kB

  • Original 32.2 kB
  • After minification 28.0 kB
  • After compression 6.4 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 4.2 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 25.8 kB or 80% of the original size.

Image Optimization

-24%

Potential reduce by 15.8 kB

  • Original 64.8 kB
  • After minification 49.0 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. Obviously, E Nagaoka needs image optimization as it can save up to 15.8 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 527.1 kB

  • Original 866.8 kB
  • After minification 866.8 kB
  • After compression 339.7 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 527.1 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (22%)

Requests Now

54

After Optimization

42

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of E Nagaoka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

e-nagaoka.com accessibility score

82

Accessibility Issues

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

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

e-nagaoka.com best practices score

58

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

e-nagaoka.com SEO score

83

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

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise E-nagaoka.com 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 E-nagaoka.com main page’s claimed encoding is shift_jis. 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 E Nagaoka. 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: