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name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

santasales.jp

399 ms

www.santasales.jp

671 ms

style.css

730 ms

sp.css

439 ms

jquery.min.js

6 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 91% of them (86 requests) were addressed to the original Santasales.jp, 5% (5 requests) were made to Google-analytics.com and 2% (2 requests) were made to Delight.ne.jp. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Santasales.jp.

Content Size

1.6 MB

After Optimization

1.3 MB

In fact, the total size of Santasales.jp main page is 1.6 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 53.9 kB

Original 63.2 kB
After minification 53.2 kB
After compression 9.3 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 10.0 kB, which is 16% 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 53.9 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 29.0 kB

Original 1.2 MB
After minification 1.2 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. Santasales images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 146.8 kB

Original 225.7 kB
After minification 220.4 kB
After compression 78.9 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 146.8 kB or 65% of the original size.

CSS Optimization

-85%

Potential reduce by 97.4 kB

Original 114.4 kB
After minification 92.1 kB
After compression 17.0 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. Santasales.jp needs all CSS files to be minified and compressed as it can save up to 97.4 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Santasales. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 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-hidden="true"] elements contain focusable descendents

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

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

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

High

Tap targets are not sized appropriately

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 Santasales.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 Santasales.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

santasales.jp

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

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

santasales.jp

www.santasales.jp

style.css

sp.css

jquery.min.js

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

santasales.jp

www.santasales.jp

style.css

sp.css

jquery.min.js

script2.js

pip.js

seminar_calendar.js

shadowbox.css

shadowbox.js

flexslider.css

jquery.flexslider-min.js

jquery.carouFredSel-5.5.0.js

top_img.js

cookie.js

switch_dummy.js

in.js

lightbox.css

bg.gif

head_menu_bg.gif

head_logo.png

head_arrow.gif

head_tel.png

bnr_tokyo-president.png

menu.png

topic_path_arrow.gif

top_main_base.jpg

01.png

02.png

03.png

04.png

banner_okane.jpg

top_tab1_title.png

top_tab2_title.png

top_tab3_title.png

0735.jpg

0736.jpg

0753.jpg

0754.jpg

0749.jpg

0767.jpg

0772.jpg

0745.jpg

0746.jpg