Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

studyh.jp

高校受験情報の「スタディ」

Page Load Speed

28.8 sec in total

First Response

581 ms

Resources Loaded

27.6 sec

Page Rendered

665 ms

studyh.jp screenshot

About Website

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

高校受験に役立つ最新情報を提供するサイトです。私立・国立・公立の高校選びは、高校受験情報の「スタディ」。スタディは高校受験に挑戦する家族を応援します!

Visit studyh.jp

Key Findings

We analyzed Studyh.jp page load time and found that the first response time was 581 ms and then it took 28.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

studyh.jp performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value26.5 s

0/100

10%

TBT (Total Blocking Time)

Value600 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value1.334

0/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

studyh.jp

581 ms

www.studyh.jp

3417 ms

gtm.js

58 ms

base.css

498 ms

colorbox.css

501 ms

Our browser made a total of 209 requests to load all elements on the main page. We found that 90% of them (189 requests) were addressed to the original Studyh.jp, 3% (6 requests) were made to Img.youtube.com and 2% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (6.1 sec) belongs to the original domain Studyh.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 630.9 kB (8%)

Content Size

7.7 MB

After Optimization

7.0 MB

In fact, the total size of Studyh.jp main page is 7.7 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. 70% of websites need less resources to load. Images take 7.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 156.3 kB

  • Original 182.5 kB
  • After minification 161.9 kB
  • After compression 26.2 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 20.6 kB, which is 11% 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 156.3 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 384.7 kB

  • Original 7.1 MB
  • After minification 6.7 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. Studyh images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 80.7 kB

  • Original 383.0 kB
  • After minification 383.0 kB
  • After compression 302.3 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 80.7 kB or 21% of the original size.

CSS Optimization

-37%

Potential reduce by 9.1 kB

  • Original 24.7 kB
  • After minification 24.7 kB
  • After compression 15.6 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. Studyh.jp needs all CSS files to be minified and compressed as it can save up to 9.1 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (20%)

Requests Now

206

After Optimization

165

The browser has sent 206 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Studyh. 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 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

studyh.jp accessibility score

76

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

studyh.jp best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

studyh.jp SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

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 Studyh.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 Studyh.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 Studyh. 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: