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name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

5/100

10%

LCP (Largest Contentful Paint)

Value66.8 s

0/100

25%

SI (Speed Index)

Value24.4 s

0/100

10%

TBT (Total Blocking Time)

Value5,330 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.737

6/100

15%

TTI (Time to Interactive)

Value34.1 s

0/100

10%

www.sahoro.co.jp

1095 ms

reset.css

338 ms

style.css

704 ms

addition.css

377 ms

jquery.bxslider.css

388 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 85% of them (84 requests) were addressed to the original Sahoro.co.jp, 4% (4 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 (6.7 sec) belongs to the original domain Sahoro.co.jp.

Content Size

4.9 MB

After Optimization

4.6 MB

In fact, the total size of Sahoro.co.jp main page is 4.9 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. 45% of websites need less resources to load. Images take 4.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 41.8 kB

Original 52.3 kB
After minification 49.7 kB
After compression 10.5 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 41.8 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 192.4 kB

Original 4.7 MB
After minification 4.5 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. Sahoro images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 17.9 kB

Original 44.1 kB
After minification 39.0 kB
After compression 26.1 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 17.9 kB or 41% of the original size.

CSS Optimization

-83%

Potential reduce by 47.4 kB

Original 57.1 kB
After minification 45.3 kB
After compression 9.6 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. Sahoro.co.jp needs all CSS files to be minified and compressed as it can save up to 47.4 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sahoro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 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 legibility of your content.

High

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

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Serves images with low resolution

Low

Detected JavaScript libraries

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

High

Document doesn't have a valid hreflang

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 Sahoro.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 Sahoro.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

sahoro.co.jp

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

www.sahoro.co.jp

reset.css

style.css

addition.css

jquery.bxslider.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

www.sahoro.co.jp

reset.css

style.css

addition.css

jquery.bxslider.css

colorbox.css

jquery.min.js

respond.js

jquery.sidemenu.js

jalan_js_library.js

jquery.bxslider.js

jquery.colorbox-min.js

page.js

ga.js

header_chara.jpg

header_logo.jpg

header_tel.jpg

header_en_btn.jpg

header_faq_btn.jpg

header_res_btn.jpg

header_menu1_btn.jpg

header_menu2_btn.jpg

header_menu3_btn.jpg

header_menu4_btn.jpg

header_menu5_btn.jpg

header_menu6_btn.jpg

header_mainimg_fream1.png

w_top_img2.jpg

w_top_img3.jpg

w_top_img1.jpg

w_top_img4.jpg

w_top_img5.jpg

logo_stamp.png

header_mainimg_fream2.png

cat_index.jpg

index_bana1.jpg

index_bana2.jpg

index_bana3.jpg

index_bana4.jpg

index_bana5.jpg

index_news_ti.jpg

pick_up_img1.jpg

61441211.jpg

pick_up_img2.jpg