Access sakuragakusha.com. 定額個別の櫻学舎｜仙台市・さいたま市の学習塾

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value12.1 s

3/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.295

40/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

sakuragakusha.com

977 ms

style.css

179 ms

font-awesome.min.css

28 ms

js.js

477 ms

style.min.css

711 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 76% of them (32 requests) were addressed to the original Sakuragakusha.com, 10% (4 requests) were made to Maps.googleapis.com and 7% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Sakuragakusha.com.

Content Size

3.0 MB

After Optimization

2.8 MB

In fact, the total size of Sakuragakusha.com main page is 3.0 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. 30% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 40.4 kB

Original 52.1 kB
After minification 44.5 kB
After compression 11.7 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 7.6 kB, which is 15% 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 40.4 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 180.7 kB

Original 2.7 MB
After minification 2.6 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. Sakuragakusha images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 16.5 kB

Original 191.5 kB
After minification 191.5 kB
After compression 175.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-23%

Potential reduce by 13.2 kB

Original 56.3 kB
After minification 56.3 kB
After compression 43.1 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. Sakuragakusha.com needs all CSS files to be minified and compressed as it can save up to 13.2 kB or 23% of the original size.

Requests Now

After Optimization

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sakuragakusha. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 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 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 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

Search Engine Optimization Advices

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sakuragakusha.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sakuragakusha.com 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

sakuragakusha.com

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

定額個別の櫻学舎｜仙台市・さいたま市の学習塾 | 定額で、毎日の学習習慣を。

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

sakuragakusha.com

style.css

font-awesome.min.css

js.js

style.min.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

sakuragakusha.com

style.css

font-awesome.min.css

js.js

style.min.css

logo.png

mediaelementplayer-legacy.min.css

wp-mediaelement.min.css

styles.css

cf7msm.css

jetpack.css

jquery.min.js

jquery-migrate.min.js

flexslider.css

public.css

wp-polyfill-inert.min.js

regenerator-runtime.min.js

wp-polyfill.min.js

index.js

cf7msm.min.js

jquery.flexslider.min.js

script.min.js

jQuery.easing.min.js

e-202435.js

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smile.png

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1.jpg

f12cbdb70674d18c4c9cea75c56eef77.jpg

7f77967499ec98656f31e6e1af45590c.png

embed

embed

embed

fontawesome-webfont.woff

js

search.js

geometry.js

main.js

bg_direction_nav.png

Accessibility Review