Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

Page Load Speed

27.3 sec in total

First Response

577 ms

Resources Loaded

25.8 sec

Page Rendered

928 ms

tgn.co.jp screenshot

About Website

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

Visit tgn.co.jp

Key Findings

We analyzed Tgn.co.jp page load time and found that the first response time was 577 ms and then it took 26.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

tgn.co.jp performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value55.3 s

0/100

10%

TBT (Total Blocking Time)

Value29,200 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.122

84/100

15%

TTI (Time to Interactive)

Value54.1 s

0/100

10%

Network Requests Diagram

tgn.co.jp

577 ms

www.tgn.co.jp

1173 ms

style.css

642 ms

jquery.fullPage.css

332 ms

jquery-2.1.4.min.js

734 ms

Our browser made a total of 808 requests to load all elements on the main page. We found that 82% of them (660 requests) were addressed to the original Tgn.co.jp, 3% (21 requests) were made to Google.com and 2% (19 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Tgn.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (36%)

Content Size

4.3 MB

After Optimization

2.7 MB

In fact, the total size of Tgn.co.jp main page is 4.3 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. 60% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 514.2 kB

  • Original 550.4 kB
  • After minification 537.8 kB
  • After compression 36.2 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. 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 514.2 kB or 93% of the original size.

Image Optimization

-8%

Potential reduce by 184.4 kB

  • Original 2.4 MB
  • After minification 2.2 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. Tgn images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 706.5 kB

  • Original 958.8 kB
  • After minification 878.0 kB
  • After compression 252.3 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 706.5 kB or 74% of the original size.

CSS Optimization

-45%

Potential reduce by 150.2 kB

  • Original 333.1 kB
  • After minification 308.7 kB
  • After compression 182.9 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. Tgn.co.jp needs all CSS files to be minified and compressed as it can save up to 150.2 kB or 45% of the original size.

Requests Breakdown

Number of requests can be reduced by 711 (96%)

Requests Now

740

After Optimization

29

The browser has sent 740 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tgn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tgn.co.jp accessibility score

95

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

tgn.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

tgn.co.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 Tgn.co.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 Tgn.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 data is detected on the main page of Tgn. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: