Tools & Wizards About Us

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

topgate.co.jp

株式会社G-gen（旧 株式会社トップゲート） | Google Cloud Platform (GCP) プレミアサービスパートナー

Page Load Speed

6 sec in total

First Response

472 ms

Resources Loaded

5.1 sec

Page Rendered

519 ms

About Website

Click here to check amazing Topgate content for Japan. Otherwise, check out these important facts you probably never knew about topgate.co.jp

株式会社G-gen（旧 株式会社トップゲート）は、Google Cloud (旧GCP) プレミアサービスパートナーです。Google Cloud や Google App Engine (GAE)、Android 、機械学習などを用いた、Web・アプリ開発やコンサルはトップゲートへお任せください。Google Cloud 認定トレーニングも実施しています。

Visit topgate.co.jp

Key Findings

We analyzed Topgate.co.jp page load time and found that the first response time was 472 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

topgate.co.jp performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value3,560 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.33

34/100

15%

TTI (Time to Interactive)

Value25.9 s

0/100

10%

Network Requests Diagram

topgate.co.jp

472 ms

www.topgate.co.jp

479 ms

style.css

189 ms

jquery-1.11.0.min.js

562 ms

btn-over.js

379 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 82% of them (89 requests) were addressed to the original Topgate.co.jp, 11% (12 requests) were made to Qiita.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Qiita.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 64.4 kB (11%)

Content Size

566.7 kB

After Optimization

502.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Topgate.co.jp main page is 566.7 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. 45% of websites need less resources to load. Images take 477.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 29.0 kB

  • Original 38.2 kB
  • After minification 36.4 kB
  • After compression 9.3 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 29.0 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 11.2 kB

  • Original 477.2 kB
  • After minification 466.1 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. Topgate images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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

-80%

Potential reduce by 24.2 kB

  • Original 30.2 kB
  • After minification 27.3 kB
  • After compression 6.0 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. Topgate.co.jp needs all CSS files to be minified and compressed as it can save up to 24.2 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (37%)

Requests Now

104

After Optimization

66

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Topgate. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

topgate.co.jp accessibility score

85

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

High

Image elements do not have [alt] attributes

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

topgate.co.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

topgate.co.jp SEO score

84

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Topgate.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 Topgate.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 Topgate. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: