Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

cosme.net

アットコスメ(@cosme)|日本最大のコスメ・化粧品の口コミ・ランキングサイト

Page Load Speed

8.2 sec in total

First Response

394 ms

Resources Loaded

7.3 sec

Page Rendered

498 ms

cosme.net screenshot

About Website

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

【アットコスメ】日本最大級のコスメ・化粧品・美容の総合情報サイト。口コミで話題の人気商品をランキングで探せたり、スキンケアやメイクの最新トレンドに出会える。@cosmeは毎日の美容と健康をサポートします。

Visit cosme.net

Key Findings

We analyzed Cosme.net page load time and found that the first response time was 394 ms and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

cosme.net performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value6,100 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value28.4 s

0/100

10%

Network Requests Diagram

cosme.net

394 ms

www.cosme.net

1394 ms

gtm.js

104 ms

top.css

180 ms

jquery-1.5.1.min.js

191 ms

Our browser made a total of 285 requests to load all elements on the main page. We found that 2% of them (5 requests) were addressed to the original Cosme.net, 27% (78 requests) were made to S.amazon-adsystem.com and 12% (35 requests) were made to Pc.assets-cosme.net. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Cache-cdn.cosme.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 215.2 kB (13%)

Content Size

1.7 MB

After Optimization

1.5 MB

In fact, the total size of Cosme.net main page is 1.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 151.4 kB

  • Original 200.9 kB
  • After minification 196.5 kB
  • After compression 49.5 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 151.4 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 30.3 kB

  • Original 1.2 MB
  • After minification 1.2 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. Cosme images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 33.2 kB

  • Original 276.3 kB
  • After minification 276.1 kB
  • After compression 243.2 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 33.2 kB or 12% of the original size.

CSS Optimization

-2%

Potential reduce by 373 B

  • Original 24.3 kB
  • After minification 24.3 kB
  • After compression 23.9 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. Cosme.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 189 (73%)

Requests Now

259

After Optimization

70

The browser has sent 259 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cosme. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 49 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

cosme.net accessibility score

98

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

cosme.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cosme.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

Links are not crawlable

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 Cosme.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 Cosme.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 Cosme. 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: