Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

terahertz.stores.jp

テラヘルツクイーン    販売代理店

Page Load Speed

3.8 sec in total

First Response

302 ms

Resources Loaded

3.3 sec

Page Rendered

213 ms

terahertz.stores.jp screenshot

About Website

Welcome to terahertz.stores.jp homepage info - get ready to check Terahertz Stores best content for Japan right away, or after learning these important things about terahertz.stores.jp

弊社は、(株)全国テラヘルツ普及会認定のご購入はこちらからテラヘルツクイーン販売代理店です。 【テラヘルツ波とは】 1秒間に1兆回振動する波の周波数。0.1テラ~10テラヘルツの周波数帯電磁波で、3ミリ~30マイクロメートルの波長に対応し、波の性質が強...

Visit terahertz.stores.jp

Key Findings

We analyzed Terahertz.stores.jp page load time and found that the first response time was 302 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

terahertz.stores.jp performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

terahertz.stores.jp

302 ms

terahertz.stores.jp

762 ms

application-b0488b80f0a66afa9a155724cb2a4249.js

150 ms

css

56 ms

css

68 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 53% of them (24 requests) were addressed to the original Terahertz.stores.jp, 7% (3 requests) were made to Fonts.gstatic.com and 7% (3 requests) were made to Bam.nr-data.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Terahertz.stores.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 215.7 kB (65%)

Content Size

334.1 kB

After Optimization

118.3 kB

In fact, the total size of Terahertz.stores.jp main page is 334.1 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. 40% of websites need less resources to load. CSS take 197.6 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 20.2 kB

  • Original 28.5 kB
  • After minification 27.0 kB
  • After compression 8.3 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 20.2 kB or 71% of the original size.

Image Optimization

-1%

Potential reduce by 265 B

  • Original 32.1 kB
  • After minification 31.8 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. Terahertz Stores images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 24.7 kB

  • Original 75.9 kB
  • After minification 75.9 kB
  • After compression 51.2 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 24.7 kB or 33% of the original size.

CSS Optimization

-86%

Potential reduce by 170.5 kB

  • Original 197.6 kB
  • After minification 196.8 kB
  • After compression 27.0 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. Terahertz.stores.jp needs all CSS files to be minified and compressed as it can save up to 170.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (38%)

Requests Now

39

After Optimization

24

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Terahertz Stores. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

terahertz.stores.jp accessibility score

90

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.

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

terahertz.stores.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

High

Browser errors were logged to the console

SEO Factors

terahertz.stores.jp SEO score

93

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Terahertz.stores.jp 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 Terahertz.stores.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 data is detected on the main page of Terahertz Stores. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: