Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

gotojuku.jp

後藤企画職業訓練校

Page Load Speed

5.3 sec in total

First Response

620 ms

Resources Loaded

3.8 sec

Page Rendered

866 ms

gotojuku.jp screenshot

About Website

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

後藤企画・職業訓練校公式サイト。東京都・神楽坂にあるWebマーケティングを中心とした後藤企画の職業訓練の特徴や申し込み方法などを掲載。

Visit gotojuku.jp

Key Findings

We analyzed Gotojuku.jp page load time and found that the first response time was 620 ms and then it took 4.6 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

gotojuku.jp performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value1,320 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

gotojuku.jp

620 ms

gotojuku.jp

1837 ms

viewport-extra.min.js

38 ms

styles.css

360 ms

style.css

1217 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 65% of them (13 requests) were addressed to the original Gotojuku.jp, 10% (2 requests) were made to Clarity.ms and 5% (1 request) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Gotojuku.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.9 kB (44%)

Content Size

162.0 kB

After Optimization

90.1 kB

In fact, the total size of Gotojuku.jp main page is 162.0 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. HTML takes 63.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 52.6 kB

  • Original 63.7 kB
  • After minification 57.9 kB
  • After compression 11.0 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 52.6 kB or 83% of the original size.

JavaScript Optimization

-5%

Potential reduce by 2.6 kB

  • Original 57.3 kB
  • After minification 57.3 kB
  • After compression 54.7 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

-41%

Potential reduce by 16.7 kB

  • Original 41.0 kB
  • After minification 41.0 kB
  • After compression 24.4 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. Gotojuku.jp needs all CSS files to be minified and compressed as it can save up to 16.7 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (89%)

Requests Now

18

After Optimization

2

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gotojuku. 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 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

gotojuku.jp accessibility score

93

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.

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

gotojuku.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

SEO Factors

gotojuku.jp SEO score

92

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

    UTF-8

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