Report Summary

  • 29

    Performance

    Renders faster than
    50% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 90

    SEO

    Google-friendlier than
    69% of websites

canpan.info

日本財団が提供する公益事業コミュニティサイト - CANPAN

Page Load Speed

5.8 sec in total

First Response

891 ms

Resources Loaded

4.8 sec

Page Rendered

171 ms

canpan.info screenshot

About Website

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

CANPANは、日本財団が提供する公益事業のコミュニティサイトです。

Visit canpan.info

Key Findings

We analyzed Canpan.info page load time and found that the first response time was 891 ms and then it took 4.9 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

canpan.info performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value1,460 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

canpan.info

891 ms

fields.canpan.info

1284 ms

import.css

329 ms

index.css

502 ms

jquery-1.6.1.min.js

1173 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Canpan.info, 66% (61 requests) were made to Fields.canpan.info and 8% (7 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Fields.canpan.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 404.0 kB (56%)

Content Size

725.7 kB

After Optimization

321.7 kB

In fact, the total size of Canpan.info main page is 725.7 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. 55% of websites need less resources to load. Javascripts take 464.3 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 24.4 kB

  • Original 34.1 kB
  • After minification 32.3 kB
  • After compression 9.8 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 24.4 kB or 71% of the original size.

Image Optimization

-10%

Potential reduce by 15.2 kB

  • Original 149.5 kB
  • After minification 134.3 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. CANPAN images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 298.4 kB

  • Original 464.3 kB
  • After minification 454.1 kB
  • After compression 165.9 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 298.4 kB or 64% of the original size.

CSS Optimization

-85%

Potential reduce by 66.1 kB

  • Original 77.9 kB
  • After minification 61.4 kB
  • After compression 11.7 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. Canpan.info needs all CSS files to be minified and compressed as it can save up to 66.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (36%)

Requests Now

90

After Optimization

58

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CANPAN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

canpan.info accessibility score

87

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

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

canpan.info best practices score

42

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

canpan.info SEO score

90

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

High

Tap targets are not sized appropriately

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 Canpan.info 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 Canpan.info 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 data is detected on the main page of CANPAN. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: