Tools & Wizards About Us
exam.or.jp screenshot

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

exam.or.jp

公益財団法人 安全衛生技術試験協会

Page Load Speed

3.6 sec in total

First Response

701 ms

Resources Loaded

2.8 sec

Page Rendered

115 ms

exam.or.jp screenshot

About Website

Click here to check amazing Exam content for Japan. Otherwise, check out these important facts you probably never knew about exam.or.jp

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Key Findings

We analyzed Exam.or.jp page load time and found that the first response time was 701 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

exam.or.jp performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

exam.or.jp

701 ms

default.css

499 ms

mm_menu.js

842 ms

default.js

869 ms

header_main.jpg

171 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 98% of them (40 requests) were addressed to the original Exam.or.jp, 2% (1 request) were made to Www2.gred.jp. The less responsive or slowest element that took the longest time to load (869 ms) belongs to the original domain Exam.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 97.4 kB (65%)

Content Size

148.8 kB

After Optimization

51.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Exam.or.jp main page is 148.8 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. Javascripts take 69.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 24.1 kB

  • Original 28.8 kB
  • After minification 28.5 kB
  • After compression 4.7 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 24.1 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 33.5 kB
  • After minification 33.5 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. Exam images are well optimized though.

JavaScript Optimization

-84%

Potential reduce by 58.9 kB

  • Original 69.7 kB
  • After minification 63.9 kB
  • After compression 10.8 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 58.9 kB or 84% of the original size.

CSS Optimization

-87%

Potential reduce by 14.4 kB

  • Original 16.6 kB
  • After minification 12.7 kB
  • After compression 2.2 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. Exam.or.jp needs all CSS files to be minified and compressed as it can save up to 14.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (20%)

Requests Now

40

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Exam. 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

exam.or.jp

exam.or.jp

701 ms

default.css

default.css

499 ms

mm_menu.js

mm_menu.js

842 ms

default.js

default.js

869 ms

header_main.jpg

header_main.jpg

171 ms

header_right.jpg

header_right.jpg

360 ms

ic_triangle_map.gif

ic_triangle_map.gif

176 ms

btn_kinki.gif

btn_kinki.gif

171 ms

btn_tyugokusikoku.gif

btn_tyugokusikoku.gif

338 ms

btn_kyusyu.gif

btn_kyusyu.gif

340 ms

map_initial.gif

map_initial.gif

342 ms

btn_hokkaido.gif

btn_hokkaido.gif

348 ms

btn_tohoku.gif

btn_tohoku.gif

348 ms

btn_kanto.gif

btn_kanto.gif

507 ms

btn_chubu.gif

btn_chubu.gif

505 ms

header_bottom.jpg

header_bottom.jpg

499 ms

seal.gif

seal.gif

794 ms

info.htm

info.htm

488 ms

ic_triangle.gif

ic_triangle.gif

486 ms

map_bg.gif

map_bg.gif

497 ms

title_bg_license.gif

title_bg_license.gif

633 ms

ic_license.gif

ic_license.gif

635 ms

title_bg_environment.gif

title_bg_environment.gif

637 ms

ic_environment.gif

ic_environment.gif

654 ms

title_bg_safety.gif

title_bg_safety.gif

655 ms

ic_safety.gif

ic_safety.gif

674 ms

title_bg_info.gif

title_bg_info.gif

319 ms

btn_hokkaido_f2.gif

btn_hokkaido_f2.gif

171 ms

map_hokkaido.gif

map_hokkaido.gif

182 ms

btn_tohoku_f2.gif

btn_tohoku_f2.gif

176 ms

map_miyagi.gif

map_miyagi.gif

170 ms

btn_kanto_f2.gif

btn_kanto_f2.gif

177 ms

map_chiba.gif

map_chiba.gif

170 ms

map_aichi.gif

map_aichi.gif

337 ms

btn_chubu_f2.gif

btn_chubu_f2.gif

337 ms

map_hyogo.gif

map_hyogo.gif

338 ms

btn_kinki_f2.gif

btn_kinki_f2.gif

347 ms

map_hirosima.gif

map_hirosima.gif

348 ms

btn_tyugokusikoku_f2.gif

btn_tyugokusikoku_f2.gif

357 ms

map_fukuoka.gif

map_fukuoka.gif

502 ms

btn_kyusyu_f2.gif

btn_kyusyu_f2.gif

502 ms

Accessibility Review

exam.or.jp accessibility score

58

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

exam.or.jp best practices score

75

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

Serves images with low resolution

SEO Factors

exam.or.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

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 Exam.or.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 Exam.or.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

exam.or.jp

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