Access colnago.co.jp. COLNAGO JAPAN OFFICIAL SITE – コルナゴ日本公式サイト

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value29.3 s

0/100

10%

TBT (Total Blocking Time)

Value4,120 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value31.8 s

0/100

10%

colnago.co.jp

1194 ms

font-awesome.min.css

22 ms

css

42 ms

default.css

346 ms

common.css

546 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 80% of them (43 requests) were addressed to the original Colnago.co.jp, 9% (5 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (14.7 sec) belongs to the original domain Colnago.co.jp.

Content Size

4.5 MB

After Optimization

4.3 MB

In fact, the total size of Colnago.co.jp main page is 4.5 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. 35% of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 12.3 kB

Original 16.3 kB
After minification 15.8 kB
After compression 3.9 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 12.3 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 22.4 kB

Original 4.2 MB
After minification 4.2 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. COLNAGO images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 96.2 kB

Original 166.5 kB
After minification 121.2 kB
After compression 70.3 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 96.2 kB or 58% of the original size.

CSS Optimization

-82%

Potential reduce by 84.5 kB

Original 103.0 kB
After minification 88.2 kB
After compression 18.5 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. Colnago.co.jp needs all CSS files to be minified and compressed as it can save up to 84.5 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of COLNAGO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA input fields do not have accessible names

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

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.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

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 Colnago.co.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 Colnago.co.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

colnago.co.jp

Open Graph description is not detected on the main page of COLNAGO. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

COLNAGO JAPAN OFFICIAL SITE – コルナゴ日本公式サイト

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

colnago.co.jp

font-awesome.min.css

css

default.css

common.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

colnago.co.jp

font-awesome.min.css

css

default.css

common.css

page.css

style.css

slick.css

jquery.min.js

top.js

viewport.js

bgswitcher.js

slick.js

analytics.js

logo.png

arrow.png

bnr03.jpg

bnr01.jpg

bnr02.jpg

product01.jpg

product02.jpg

product03.jpg

product04.jpg

product05.jpg

product06.jpg

product07.jpg

product08.jpg

product09.jpg

product10.jpg

product11.jpg

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product13.jpg

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product15.jpg

contbnr01.jpg

contbnr02.jpg

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contbnr04.jpg

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main05.jpg

main01.jpg