Report Summary

  • 0

    Performance

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 0

    Best Practices

  • 50

    SEO

    Google-friendlier than
    18% of websites

suguru.jp

中学受験専門塾・優学習会 すぐるホームページ

Page Load Speed

6.4 sec in total

First Response

2.2 sec

Resources Loaded

3.3 sec

Page Rendered

899 ms

suguru.jp screenshot

About Website

Click here to check amazing Suguru content for Japan. Otherwise, check out these important facts you probably never knew about suguru.jp

中学受験専門の学習塾である優(すぐる)学習会は,四谷大塚提携塾です。新宿区高田馬場にて1981年以来,一つの教場で合格への対策指導をしています。無料教材満載の「すぐるゼミ」,推理力・論理力を養う「学習パズル」や「学習ゲーム」など,コンテンツ満載!

Visit suguru.jp

Key Findings

We analyzed Suguru.jp page load time and found that the first response time was 2.2 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

suguru.jp performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.6 s

100/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

suguru.jp

2166 ms

style.css

822 ms

jquery-2.0.2.min.js

1392 ms

js.js

445 ms

adsbygoogle.js

15 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 65% of them (34 requests) were addressed to the original Suguru.jp, 10% (5 requests) were made to Pagead2.googlesyndication.com and 10% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Suguru.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 296.2 kB (67%)

Content Size

438.8 kB

After Optimization

142.6 kB

In fact, the total size of Suguru.jp main page is 438.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. HTML takes 233.0 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 200.0 kB

  • Original 233.0 kB
  • After minification 222.8 kB
  • After compression 33.0 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 200.0 kB or 86% of the original size.

Image Optimization

-10%

Potential reduce by 657 B

  • Original 6.4 kB
  • After minification 5.7 kB

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. Suguru images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 77.1 kB

  • Original 177.1 kB
  • After minification 175.3 kB
  • After compression 100.1 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 77.1 kB or 44% of the original size.

CSS Optimization

-83%

Potential reduce by 18.4 kB

  • Original 22.2 kB
  • After minification 18.4 kB
  • After compression 3.9 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. Suguru.jp needs all CSS files to be minified and compressed as it can save up to 18.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (39%)

Requests Now

51

After Optimization

31

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Suguru. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

suguru.jp accessibility score

63

Accessibility Issues

Names and labels

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.

Impact

Issue

High

Document doesn't have a <title> element

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

SEO Factors

suguru.jp SEO score

50

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Document doesn't have a <title> element

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 Suguru.jp 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 Suguru.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

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