Access thecollection.co.jp. 和装(色打掛、神社挙式)レンタル・貸衣装なら東京のザ・コレクション

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value22.7 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.251

49/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

thecollection.co.jp

545 ms

www.thecollection.co.jp

547 ms

www.thecollection.co.jp

948 ms

style.css

518 ms

jquery.fancybox.css

528 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 95% of them (57 requests) were addressed to the original Thecollection.co.jp, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Thecollection.co.jp.

Content Size

5.7 MB

After Optimization

5.5 MB

In fact, the total size of Thecollection.co.jp main page is 5.7 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. 35% of websites need less resources to load. Images take 5.5 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 20.0 kB

Original 25.3 kB
After minification 17.3 kB
After compression 5.3 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 8.0 kB, which is 32% 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 20.0 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 80.6 kB

Original 5.5 MB
After minification 5.4 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. THE COLLECTION images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 90.4 kB

Original 158.8 kB
After minification 158.1 kB
After compression 68.4 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 90.4 kB or 57% of the original size.

CSS Optimization

-83%

Potential reduce by 26.2 kB

Original 31.5 kB
After minification 23.2 kB
After compression 5.3 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. Thecollection.co.jp needs all CSS files to be minified and compressed as it can save up to 26.2 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of THE COLLECTION. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

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 Thecollection.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 Thecollection.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

thecollection.co.jp

Open Graph description is not detected on the main page of THE COLLECTION. 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

和装(色打掛、神社挙式)レンタル・貸衣装なら東京のザ・コレクション｜THE COLLECTION ザ・コレクション

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

thecollection.co.jp

www.thecollection.co.jp

www.thecollection.co.jp

style.css

jquery.fancybox.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

thecollection.co.jp

www.thecollection.co.jp

www.thecollection.co.jp

style.css

jquery.fancybox.css

jquery.bxslider.css

jquery.1.6.4.min.js

jquery.localscroll-1.2.7-min.js

jquery.scrollTo-1.4.2-min.js

jquery.bxslider.min.js

jquery.fancybox.pack.js

line_shadow.png

gnavi_bg2.png

logo5.png

gnavi_01.png

gnavi_02.png

gnavi_03.png

gnavi_04.png

gnavi_05.png

gnavi_06.png

gnavi_07.png

gnavi_tel.png

lang_jp.png

lang_en.png

210226_01.jpg

210226_02.jpg

210226_03.jpg

190215_11_01.jpg

title_news.png

title_news3.png

img_kazarikei.png

title_wasou.png

top_img1sb.jpg

top_img2sb.jpg

top_img3sb.jpg

img_iro02.jpg

img_iro128.jpg

img_iro134.jpg

img_iro129.jpg

img_iro130.jpg

btn_detail2.png

title_dress.png

img_top_dress01.jpg