Access caretta.jp. カレッタ汐留

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.568

12/100

15%

TTI (Time to Interactive)

Value16.4 s

5/100

10%

caretta.jp

545 ms

www.caretta.jp

1069 ms

top.css

189 ms

slidebars.min.css

375 ms

slider-pro.css

729 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 83% of them (88 requests) were addressed to the original Caretta.jp, 10% (11 requests) were made to Platform.twitter.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Caretta.jp.

Content Size

3.6 MB

After Optimization

3.5 MB

In fact, the total size of Caretta.jp main page is 3.6 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. 50% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 41.2 kB

Original 50.1 kB
After minification 43.9 kB
After compression 8.9 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. This page needs HTML code to be minified as it can gain 6.1 kB, which is 12% 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 41.2 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 741 B

Original 3.4 MB
After minification 3.4 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. Caretta images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 32.0 kB

Original 105.1 kB
After minification 105.1 kB
After compression 73.1 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 30% of the original size.

CSS Optimization

-66%

Potential reduce by 11.6 kB

Original 17.5 kB
After minification 14.3 kB
After compression 5.9 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. Caretta.jp needs all CSS files to be minified and compressed as it can save up to 11.6 kB or 66% of the original size.

Requests Now

103

After Optimization

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Caretta. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts 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 legibility of your content.

High

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

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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 Caretta.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 Caretta.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

caretta.jp

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

カレッタ汐留 - caretta shiodome

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

caretta.jp

www.caretta.jp

top.css

slidebars.min.css

slider-pro.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

caretta.jp

www.caretta.jp

top.css

slidebars.min.css

slider-pro.css

jquery-1.12.3.min.js

jquery.sliderPro.min.js

js

analytics.js

bg.gif

logo.png

btn_jp_on.png

btn_en.png

mNav_eventNews.png

mNav_shopNews.png

mNav_shopSearch.png

mNav_access.png

mNav_floorGuide.png

mNav_about.png

mNav_questions.png

topvisual-20240424_171515.jpg

topvisual-20240130_201303.jpg

topvisual-20240124_130912.jpg

topvisual-20240201_120252.jpg

topvisual-20231024_113801.jpg

topvisual-20190301_163442.jpg

topvisual-20230426_150344.jpg

topvisual-20160726_163306.jpg

topvisual-20200729_110838.jpg

loading.jpg

event_title.gif

event-20240424_163208-img_thumb.jpg

event-20240401_101742-img_thumb_copy.jpg

event-20240201_120530-img_thumb.jpg

event-20240130_201522-img_thumb.jpg

sNav_gSearch.gif

sNav_japanese.jpg

sNav_western.jpg

sNav_asia.jpg

sNav_cafe.jpg

sNav_deli.jpg

sNav_icon.gif

sNav_text.gif