Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

tsurugacorp.co.jp

ネジのツルガ/ねじ通販サイト「ネジクル」を運営

Page Load Speed

3 sec in total

First Response

581 ms

Resources Loaded

2.3 sec

Page Rendered

165 ms

tsurugacorp.co.jp screenshot

About Website

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

ネジ(ねじ)のツルガでは、ネジ販売/ねじ通販サイト「ネジクル」を運営し、ネジ(ねじ)、ボルト、ナット、ワッシャーなど約60万点のネジ等を販売しております。

Visit tsurugacorp.co.jp

Key Findings

We analyzed Tsurugacorp.co.jp page load time and found that the first response time was 581 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

tsurugacorp.co.jp performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.286

42/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

tsurugacorp.co.jp

581 ms

common.css

201 ms

top.css

374 ms

jquery.min.js

80 ms

scroll.js

392 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 94% of them (16 requests) were addressed to the original Tsurugacorp.co.jp, 6% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Tsurugacorp.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 126.8 kB (20%)

Content Size

640.9 kB

After Optimization

514.2 kB

In fact, the total size of Tsurugacorp.co.jp main page is 640.9 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. Images take 590.7 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 5.5 kB

  • Original 8.2 kB
  • After minification 7.6 kB
  • After compression 2.7 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 5.5 kB or 67% of the original size.

Image Optimization

-19%

Potential reduce by 112.0 kB

  • Original 590.7 kB
  • After minification 478.7 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, Tsurugacorp needs image optimization as it can save up to 112.0 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 1.8 kB

  • Original 32.1 kB
  • After minification 31.1 kB
  • After compression 30.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-76%

Potential reduce by 7.6 kB

  • Original 10.0 kB
  • After minification 7.5 kB
  • After compression 2.4 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. Tsurugacorp.co.jp needs all CSS files to be minified and compressed as it can save up to 7.6 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tsurugacorp. According to our analytics all requests are already optimized.

Accessibility Review

tsurugacorp.co.jp accessibility score

80

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

Buttons do not have an accessible name

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.

Best Practices

tsurugacorp.co.jp best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

tsurugacorp.co.jp SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tsurugacorp.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 Tsurugacorp.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 Tsurugacorp. 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: