Tools & Wizards About Us
isao.net screenshot

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

isao.net

ISAO CARD

Page Load Speed

4.9 sec in total

First Response

866 ms

Resources Loaded

3.9 sec

Page Rendered

127 ms

isao.net screenshot

About Website

Welcome to isao.net homepage info - get ready to check ISAO best content for Japan right away, or after learning these important things about isao.net

ISAO CARD

Visit isao.net

Key Findings

We analyzed Isao.net page load time and found that the first response time was 866 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

isao.net performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

94/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

isao.net

866 ms

common.css

323 ms

over.js

329 ms

s_code.js

492 ms

cssimporter.css

163 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 Isao.net, 2% (1 request) were made to Isao.112.2o7.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Isao.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 93.4 kB (81%)

Content Size

115.4 kB

After Optimization

22.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isao.net main page is 115.4 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. CSS take 79.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 7.5 kB

  • Original 10.7 kB
  • After minification 8.1 kB
  • After compression 3.1 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 2.6 kB, which is 24% 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 7.5 kB or 71% of the original size.

Image Optimization

-13%

Potential reduce by 610 B

  • Original 4.8 kB
  • After minification 4.2 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. Obviously, ISAO needs image optimization as it can save up to 610 B or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 12.3 kB

  • Original 20.0 kB
  • After minification 18.2 kB
  • After compression 7.6 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 12.3 kB or 62% of the original size.

CSS Optimization

-91%

Potential reduce by 72.9 kB

  • Original 79.9 kB
  • After minification 59.0 kB
  • After compression 7.0 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. Isao.net needs all CSS files to be minified and compressed as it can save up to 72.9 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (25%)

Requests Now

40

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ISAO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

isao.net

isao.net

866 ms

common.css

common.css

323 ms

over.js

over.js

329 ms

s_code.js

s_code.js

492 ms

cssimporter.css

cssimporter.css

163 ms

base.css

base.css

648 ms

under_template.css

under_template.css

822 ms

font.css

font.css

621 ms

header_bg.gif

header_bg.gif

167 ms

ISAO_logo.png

ISAO_logo.png

164 ms

maincontentsArea_bg.gif

maincontentsArea_bg.gif

166 ms

isaocard_title.gif

isaocard_title.gif

158 ms

isaocard_01_test.gif

isaocard_01_test.gif

777 ms

card_01.gif

card_01.gif

487 ms

card_02.gif

card_02.gif

328 ms

title_a_h4.gif

title_a_h4.gif

329 ms

footer_bg01.gif

footer_bg01.gif

762 ms

footer_li_bt.gif

footer_li_bt.gif

366 ms

s67947416794486

s67947416794486

81 ms

print.css

print.css

165 ms

globalnav_over_02.gif

globalnav_over_02.gif

167 ms

globalnav_over_03.gif

globalnav_over_03.gif

165 ms

globalnav_over_04.gif

globalnav_over_04.gif

168 ms

globalnav_over_05.gif

globalnav_over_05.gif

158 ms

globalnav_06.gif

globalnav_06.gif

329 ms

globalnav_over_07.gif

globalnav_over_07.gif

367 ms

right_menu_over_01.gif

right_menu_over_01.gif

312 ms

right_menu_over_02.gif

right_menu_over_02.gif

325 ms

right_menu_over_03.gif

right_menu_over_03.gif

891 ms

right_menu_over_04.gif

right_menu_over_04.gif

493 ms

member_menu_over_01.gif

member_menu_over_01.gif

468 ms

member_menu_over_02.gif

member_menu_over_02.gif

487 ms

member_menu_over_03.gif

member_menu_over_03.gif

492 ms

member_menu_over_04.gif

member_menu_over_04.gif

550 ms

member_menu_over_05.gif

member_menu_over_05.gif

623 ms

globalnav_over_06.gif

globalnav_over_06.gif

649 ms

globalnav_over_01.gif

globalnav_over_01.gif

1085 ms

card_over_05.gif

card_over_05.gif

818 ms

card_over_04.gif

card_over_04.gif

914 ms

card_over_06.gif

card_over_06.gif

778 ms

card_over_07.gif

card_over_07.gif

969 ms

Accessibility Review

isao.net accessibility score

83

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

isao.net 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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

isao.net SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

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

isao.net

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