Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

cortina-inc.jp

[cortina]株式会社コルティーナ|北欧生地と北欧雑貨の輸入、販売、卸

Page Load Speed

3.5 sec in total

First Response

657 ms

Resources Loaded

2.7 sec

Page Rendered

176 ms

cortina-inc.jp screenshot

About Website

Click here to check amazing Cortina Inc content. Otherwise, check out these important facts you probably never knew about cortina-inc.jp

株式会社コルティーナの公式企業サイトです。マリメッコやアルテックなどの北欧生地、北欧雑貨の輸入・販売・卸売を行っています。

Visit cortina-inc.jp

Key Findings

We analyzed Cortina-inc.jp page load time and found that the first response time was 657 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

cortina-inc.jp performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value15.8 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.49

17/100

15%

TTI (Time to Interactive)

Value20.7 s

2/100

10%

Network Requests Diagram

cortina-inc.jp

657 ms

common.css

200 ms

analytics.js

6 ms

logo_cortina.gif

188 ms

name_cortina.gif

378 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 90% of them (18 requests) were addressed to the original Cortina-inc.jp, 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Cortina-inc.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.5 kB (17%)

Content Size

233.1 kB

After Optimization

194.6 kB

In fact, the total size of Cortina-inc.jp main page is 233.1 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. Only 10% of websites need less resources to load. Images take 170.6 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 5.2 kB

  • Original 7.9 kB
  • After minification 7.5 kB
  • After compression 2.7 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 5.2 kB or 66% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 170.6 kB
  • After minification 170.6 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. Cortina Inc images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 20.9 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 32.0 kB or 60% of the original size.

CSS Optimization

-76%

Potential reduce by 1.3 kB

  • Original 1.8 kB
  • After minification 1.4 kB
  • After compression 414 B

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. Cortina-inc.jp needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

19

After Optimization

19

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cortina Inc. According to our analytics all requests are already optimized.

Accessibility Review

cortina-inc.jp accessibility score

95

Accessibility Issues

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

Links do not have a discernible name

Best Practices

cortina-inc.jp best practices score

92

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

SEO Factors

cortina-inc.jp SEO score

100

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 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 Cortina-inc.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 Cortina-inc.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 Cortina Inc. 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: