Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

nitto-kogyo.co.jp

オイルフィルター エアフィルタ 日東工業株式会社 カーエアコンフィルター

Page Load Speed

5.8 sec in total

First Response

879 ms

Resources Loaded

4.6 sec

Page Rendered

340 ms

nitto-kogyo.co.jp screenshot

About Website

Visit nitto-kogyo.co.jp now to see the best up-to-date Nitto Kogyo content for Russia and also check out these interesting facts you probably never knew about nitto-kogyo.co.jp

日東工業は1959年の創業以来、オイルフィルター、エアフィルターをはじめ、カーAV取付キット、ワイパーブレード、カーエアコンフィルターなどの自動車部品で皆様のカーライフをサポートしてまいりました。農機、産業機械用フィルターなど自動車以外のフィルタも充実し、これからも日夜、高品質な製品作りを続けていきます。

Visit nitto-kogyo.co.jp

Key Findings

We analyzed Nitto-kogyo.co.jp page load time and found that the first response time was 879 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

nitto-kogyo.co.jp performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.73

6/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

nitto-kogyo.co.jp

879 ms

hpbparts.css

662 ms

container_1F1_2c_top.css

520 ms

main_1F1_2c.css

716 ms

user.css

566 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that all of those requests were addressed to Nitto-kogyo.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Nitto-kogyo.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 247.2 kB (34%)

Content Size

723.8 kB

After Optimization

476.6 kB

In fact, the total size of Nitto-kogyo.co.jp main page is 723.8 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. Only 10% of websites need less resources to load. Images take 553.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 15.8 kB

  • Original 19.3 kB
  • After minification 11.6 kB
  • After compression 3.5 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 7.7 kB, which is 40% 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 15.8 kB or 82% of the original size.

Image Optimization

-22%

Potential reduce by 120.7 kB

  • Original 553.9 kB
  • After minification 433.1 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, Nitto Kogyo needs image optimization as it can save up to 120.7 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 63.0 kB

  • Original 97.4 kB
  • After minification 96.6 kB
  • After compression 34.4 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 63.0 kB or 65% of the original size.

CSS Optimization

-90%

Potential reduce by 47.7 kB

  • Original 53.3 kB
  • After minification 31.2 kB
  • After compression 5.6 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. Nitto-kogyo.co.jp needs all CSS files to be minified and compressed as it can save up to 47.7 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (10%)

Requests Now

29

After Optimization

26

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nitto 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nitto-kogyo.co.jp accessibility score

85

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

nitto-kogyo.co.jp best practices score

75

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

nitto-kogyo.co.jp SEO score

91

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nitto-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 Nitto-kogyo.co.jp 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 Nitto 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: