Access cortina.ne.jp. 《公式》マリメッコをはじめとする北欧生地と雑貨の専門店 │cortina コルティーナ

cortina.ne.jp screenshot

15

Performance

Renders faster than
27% of other websites
80

Accessibility

Visual factors better than
that of 49% of websites
67

Best Practices

More advanced features
available than in
24% of websites
83

SEO

Google-friendlier than
46% of websites

First Response

540 ms

Resources Loaded

33.3 sec

Page Rendered

3.9 sec

cortina.ne.jp screenshot

About Website

Welcome to cortina.ne.jp homepage info - get ready to check Cortina best content right away, or after learning these important things about cortina.ne.jp

北欧生地、北欧雑貨を買うならコルティーナ！「マリメッコ」や「リサラーソン」の「食器」や「オーダーカーテン」、「ポスター」など約2000アイテムの品揃え！創業20余年の実績。安心の正規輸入販売店が、圧倒的な品揃えとセンスで、みんなが憧れる豊かな暮らしのお手伝いをします。

Visit cortina.ne.jp

Key Findings

We analyzed Cortina.ne.jp page load time and found that the first response time was 540 ms and then it took 37.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

1/100

10%

LCP (Largest Contentful Paint)

Value16.3 s

0/100

25%

SI (Speed Index)

Value40.4 s

0/100

10%

TBT (Total Blocking Time)

Value45,990 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value66.4 s

0/100

10%

cortina.ne.jp

540 ms

cortina.ne.jp

723 ms

www.cortina.ne.jp

8367 ms

fs_style.css

877 ms

fs_theme.css

1084 ms

Our browser made a total of 345 requests to load all elements on the main page. We found that 1% of them (5 requests) were addressed to the original Cortina.ne.jp, 77% (264 requests) were made to Cortina.itembox.design and 16% (55 requests) were made to Image.rakuten.co.jp. The less responsive or slowest element that took the longest time to load (8.4 sec) belongs to the original domain Cortina.ne.jp.

Content Size

10.2 MB

After Optimization

9.1 MB

In fact, the total size of Cortina.ne.jp main page is 10.2 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. Only a small number of websites need less resources to load. Images take 8.8 MB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 1.0 MB

Original 1.1 MB
After minification 929.7 kB
After compression 69.2 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 164.9 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 1.0 MB or 94% of the original size.

Image Optimization

-1%

Potential reduce by 112.5 kB

Original 8.8 MB
After minification 8.6 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. Cortina images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 37.0 kB

Original 295.8 kB
After minification 295.8 kB
After compression 258.9 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 37.0 kB or 12% of the original size.

CSS Optimization

-15%

Potential reduce by 14.1 kB

Original 96.1 kB
After minification 96.1 kB
After compression 82.0 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. Cortina.ne.jp needs all CSS files to be minified and compressed as it can save up to 14.1 kB or 15% of the original size.

Requests Now

338

After Optimization

295

The browser has sent 338 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cortina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

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 Cortina.ne.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.ne.jp 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

cortina.ne.jp

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