Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

canlife.jp

キャンライフ|がん治療生活ケア用品専門店、医療用帽子

Page Load Speed

7.4 sec in total

First Response

914 ms

Resources Loaded

4.3 sec

Page Rendered

2.2 sec

canlife.jp screenshot

About Website

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

がん患者さんの治療生活ケア用品・医療用帽子の専門店「キャンライフ」。医療用帽子、乳がん手術ブラジャー、医療用弾性ストッキング、入院用パジャマ、にんじんジュースなど。創業20年、日経MJ賞受賞の実績。(平日お昼12時まで即日発送)

Visit canlife.jp

Key Findings

We analyzed Canlife.jp page load time and found that the first response time was 914 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

canlife.jp performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value12.1 s

0/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value650 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.286

42/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

canlife.jp

914 ms

r_system_preset.css

503 ms

system_DesignSettings.css

518 ms

system_SizeColorSettings.css

357 ms

system_LayoutSettings.css

372 ms

Our browser made a total of 148 requests to load all elements on the main page. We found that 91% of them (134 requests) were addressed to the original Canlife.jp, 4% (6 requests) were made to Secure.future-s.com and 1% (2 requests) were made to Seal.websecurity.norton.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Canlife.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 403.2 kB (20%)

Content Size

2.0 MB

After Optimization

1.6 MB

In fact, the total size of Canlife.jp main page is 2.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 54.5 kB

  • Original 68.2 kB
  • After minification 63.3 kB
  • After compression 13.7 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 54.5 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 78.9 kB

  • Original 1.6 MB
  • After minification 1.5 MB

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. Canlife images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 189.9 kB

  • Original 272.7 kB
  • After minification 209.5 kB
  • After compression 82.8 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 189.9 kB or 70% of the original size.

CSS Optimization

-87%

Potential reduce by 79.9 kB

  • Original 92.0 kB
  • After minification 54.1 kB
  • After compression 12.1 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. Canlife.jp needs all CSS files to be minified and compressed as it can save up to 79.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (22%)

Requests Now

145

After Optimization

113

The browser has sent 145 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Canlife. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

canlife.jp accessibility score

74

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

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

canlife.jp best practices score

67

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

Missing source maps for large first-party JavaScript

SEO Factors

canlife.jp SEO score

91

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

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

High

Tap targets are not sized appropriately

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 Canlife.jp 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 Canlife.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 Canlife. 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: