Tools & Wizards About Us

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

adhd-navi.net

ADHDナビ

Page Load Speed

4.8 sec in total

First Response

790 ms

Resources Loaded

3.8 sec

Page Rendered

215 ms

About Website

Click here to check amazing Adhd Navi content for Japan. Otherwise, check out these important facts you probably never knew about adhd-navi.net

ADHDナビでは症状や治療方法など、ADHD（注意欠如・多動症）に関する情報を詳しくご紹介しています。病院・専門医の検索や診断チェックもお試しください！

Visit adhd-navi.net

Key Findings

We analyzed Adhd-navi.net page load time and found that the first response time was 790 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

adhd-navi.net performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value21.3 s

0/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value4.5 s

83/100

10%

Network Requests Diagram

adhd-navi.net

790 ms

import.css

358 ms

misc.js

380 ms

activate.css

359 ms

basic.css

393 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 91% of them (64 requests) were addressed to the original Adhd-navi.net, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Adhd-navi.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 245.2 kB (72%)

Content Size

342.2 kB

After Optimization

97.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Adhd-navi.net main page is 342.2 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. 20% of websites need less resources to load. Javascripts take 177.2 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 15.3 kB

  • Original 21.1 kB
  • After minification 17.9 kB
  • After compression 5.9 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 3.2 kB, which is 15% 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 15.3 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.6 kB
  • After minification 2.6 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. Adhd Navi images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 102.1 kB

  • Original 177.2 kB
  • After minification 176.3 kB
  • After compression 75.1 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 102.1 kB or 58% of the original size.

CSS Optimization

-91%

Potential reduce by 127.8 kB

  • Original 141.2 kB
  • After minification 76.8 kB
  • After compression 13.4 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. Adhd-navi.net needs all CSS files to be minified and compressed as it can save up to 127.8 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (43%)

Requests Now

63

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Adhd Navi. 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 JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

adhd-navi.net accessibility score

95

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.

Best Practices

adhd-navi.net best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

adhd-navi.net SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

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 Adhd-navi.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 Adhd-navi.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

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