Tools & Wizards About Us

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

gijutu.co.jp

技術情報協会　セミナー　出版　雑誌　通信教育

Page Load Speed

5.5 sec in total

First Response

538 ms

Resources Loaded

4.6 sec

Page Rendered

349 ms

About Website

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

技術情報協会はセミナー・出版・通信教育を通じて企業の最前線に立つ研究者、技術者をサポートし社会に貢献します

Visit gijutu.co.jp

Key Findings

We analyzed Gijutu.co.jp page load time and found that the first response time was 538 ms and then it took 5 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

gijutu.co.jp performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

gijutu.co.jp

538 ms

gijutu.co.jp

1288 ms

mm_menu.js

642 ms

top_head_960.gif

181 ms

Top_seminar.gif

159 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that all of those requests were addressed to Gijutu.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Gijutu.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.8 kB (71%)

Content Size

155.2 kB

After Optimization

44.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Gijutu.co.jp main page is 155.2 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. 25% of websites need less resources to load. HTML takes 96.4 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 86.5 kB

  • Original 96.4 kB
  • After minification 79.4 kB
  • After compression 9.9 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. This page needs HTML code to be minified as it can gain 17.0 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 86.5 kB or 90% of the original size.

Image Optimization

-0%

Potential reduce by 87 B

  • Original 28.8 kB
  • After minification 28.7 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. Gijutu images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 24.2 kB

  • Original 30.0 kB
  • After minification 24.9 kB
  • After compression 5.8 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 24.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (8%)

Requests Now

76

After Optimization

70

  • Images
  • JavaScript

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gijutu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

gijutu.co.jp accessibility score

48

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

gijutu.co.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

gijutu.co.jp SEO score

58

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gijutu.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 Gijutu.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Gijutu. 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: