Tools & Wizards About Us
naka-kogyo.co.jp screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

naka-kogyo.co.jp

ナカ工業株式会社｜建材製品の開発・製造・販売・施工

Page Load Speed

10.5 sec in total

First Response

507 ms

Resources Loaded

8.9 sec

Page Rendered

1.1 sec

naka-kogyo.co.jp screenshot

About Website

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

ようこそ、ナカ工業のホームページへ。建材製品の開発・製造・販売・施工を行っています。手すりから避難器具まで、安心・安全な建物づくりを支えます。

Visit naka-kogyo.co.jp

Key Findings

We analyzed Naka-kogyo.co.jp page load time and found that the first response time was 507 ms and then it took 9.9 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

naka-kogyo.co.jp performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value18.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value31.6 s

0/100

25%

SI (Speed Index)

Value58.5 s

0/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value31.3 s

0/100

10%

Network Requests Diagram

naka-kogyo.co.jp

507 ms

naka-kogyo.co.jp

692 ms

www.naka-kogyo.co.jp

1513 ms

gtm.js

60 ms

slick.css

506 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that 88% of them (99 requests) were addressed to the original Naka-kogyo.co.jp, 4% (4 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Naka-kogyo.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (18%)

Content Size

6.3 MB

After Optimization

5.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Naka-kogyo.co.jp main page is 6.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 70.1 kB

  • Original 82.4 kB
  • After minification 62.9 kB
  • After compression 12.2 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 19.5 kB, which is 24% 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 70.1 kB or 85% of the original size.

Image Optimization

-5%

Potential reduce by 289.1 kB

  • Original 5.3 MB
  • After minification 5.0 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. Naka Kogyo images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 171.0 kB

  • Original 260.4 kB
  • After minification 214.9 kB
  • After compression 89.3 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 171.0 kB or 66% of the original size.

CSS Optimization

-90%

Potential reduce by 604.6 kB

  • Original 669.7 kB
  • After minification 571.3 kB
  • After compression 65.2 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. Naka-kogyo.co.jp needs all CSS files to be minified and compressed as it can save up to 604.6 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (20%)

Requests Now

101

After Optimization

81

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Naka Kogyo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

naka-kogyo.co.jp

naka-kogyo.co.jp

507 ms

naka-kogyo.co.jp

naka-kogyo.co.jp

692 ms

www.naka-kogyo.co.jp

www.naka-kogyo.co.jp

1513 ms

gtm.js

gtm.js

60 ms

slick.css

slick.css

506 ms

style.css

style.css

2398 ms

animate.min.css

animate.min.css

862 ms

jquery.js

jquery.js

1205 ms

jquery.matchHeight.js

jquery.matchHeight.js

526 ms

slick.js

slick.js

1227 ms

desvg.js

desvg.js

672 ms

common.js

common.js

704 ms

top.js

top.js

838 ms

sdk.js

sdk.js

19 ms

js

js

52 ms

analytics.js

analytics.js

17 ms

collect

collect

140 ms

css

css

57 ms

logo_header.svg

logo_header.svg

261 ms

ico_close_white_02.svg

ico_close_white_02.svg

255 ms

img_gnavi_product_01.jpg

img_gnavi_product_01.jpg

260 ms

img_gnavi_product_02.jpg

img_gnavi_product_02.jpg

256 ms

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499 ms

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256 ms

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img_gnavi_support_07_small.jpg

347 ms

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348 ms

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348 ms

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354 ms

img_gnavi_support_06.jpg

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352 ms

img_gnavi_company_01.jpg

img_gnavi_company_01.jpg

519 ms

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img_gnavi_company_02.jpg

521 ms

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521 ms

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529 ms

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531 ms

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666 ms

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690 ms

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692 ms

img_gnavi_company_10.jpg

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692 ms

mainvisual_top_12-2.png

mainvisual_top_12-2.png

1228 ms

img_hand_01.png

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1412 ms

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1164 ms

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862 ms

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865 ms

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1034 ms

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1035 ms

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1208 ms

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1377 ms

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1209 ms

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%E3%83%8E%E3%83%B3%E3%82%B9%E3%83%AA%E3%83%83%E3%83%97%E7%82%B9%E5%AD%97%E9%8B%B2.jpg

1330 ms

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1381 ms

udescape_01.jpg

udescape_01.jpg

1381 ms

ib_azdp_12.jpg

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1752 ms

led_baum_02.jpg

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1665 ms

order_01.jpg

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1549 ms

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1478 ms

renovation.jpg

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1304 ms

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1338 ms

%E7%8E%84%E9%96%A22-1.jpg

%E7%8E%84%E9%96%A22-1.jpg

1478 ms

sdk.js

sdk.js

7 ms

J009635.js

J009635.js

854 ms

NotoSansCJKjp-Bold.woff

NotoSansCJKjp-Bold.woff

1814 ms

KFOlCnqEu92Fr1MmEU9fBBc-AMP6lQ.woff

KFOlCnqEu92Fr1MmEU9fBBc-AMP6lQ.woff

32 ms

KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff

KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff

50 ms

KFOlCnqEu92Fr1MmSU5fBBc-AMP6lQ.woff

KFOlCnqEu92Fr1MmSU5fBBc-AMP6lQ.woff

58 ms

KFOlCnqEu92Fr1MmWUlfBBc-AMP6lQ.woff

KFOlCnqEu92Fr1MmWUlfBBc-AMP6lQ.woff

58 ms

57 ms

NotoSansCJKjp-Medium.woff

NotoSansCJKjp-Medium.woff

1956 ms

NotoSansCJKjp-Regular.woff

NotoSansCJKjp-Regular.woff

1992 ms

NotoSansCJKjp-Light.woff

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2242 ms

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1556 ms

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1758 ms

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1807 ms

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1783 ms

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1786 ms

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1813 ms

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1742 ms

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1605 ms

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1619 ms

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1509 ms

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2800 ms

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1560 ms

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1720 ms

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1484 ms

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1633 ms

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1458 ms

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1561 ms

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1583 ms

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1457 ms

btn_pagetop.svg

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1562 ms

logo_footer.svg

logo_footer.svg

1533 ms

ico_facebook.svg

ico_facebook.svg

1503 ms

ico_twitter.svg

ico_twitter.svg

1449 ms

ico_instagram.svg

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1458 ms

ico_youtube.svg

ico_youtube.svg

1536 ms

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1391 ms

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1416 ms

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1259 ms

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1255 ms

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1352 ms

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1224 ms

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1263 ms

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1242 ms

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1239 ms

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1290 ms

ico_slider_arrow.svg

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1222 ms

Accessibility Review

naka-kogyo.co.jp accessibility score

96

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

Links do not have a discernible name

Best Practices

naka-kogyo.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

SEO Factors

naka-kogyo.co.jp SEO score

99

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 Naka-kogyo.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 Naka-kogyo.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

naka-kogyo.co.jp

Open Graph description is not detected on the main page of Naka Kogyo. 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: