Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

riseisha.ed.jp

履正社中学校・高等学校

Page Load Speed

2.7 sec in total

First Response

600 ms

Resources Loaded

2.1 sec

Page Rendered

86 ms

riseisha.ed.jp screenshot

About Website

Welcome to riseisha.ed.jp homepage info - get ready to check Riseisha best content for Japan right away, or after learning these important things about riseisha.ed.jp

履正社高等学校、履正社学園豊中中学校のWEBサイトです。

Visit riseisha.ed.jp

Key Findings

We analyzed Riseisha.ed.jp page load time and found that the first response time was 600 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

riseisha.ed.jp performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.8 s

0/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

riseisha.ed.jp

600 ms

style.css

348 ms

jquery-1.4.2.min.js

1043 ms

smartRollover.js

370 ms

jquery.footer.js

373 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 91% of them (10 requests) were addressed to the original Riseisha.ed.jp, 9% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Riseisha.ed.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 52.7 kB (54%)

Content Size

97.4 kB

After Optimization

44.7 kB

In fact, the total size of Riseisha.ed.jp main page is 97.4 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. Only 10% of websites need less resources to load. Javascripts take 92.0 kB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 1.8 kB

  • Original 3.3 kB
  • After minification 3.2 kB
  • After compression 1.5 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 1.8 kB or 56% of the original size.

Image Optimization

-6%

Potential reduce by 19 B

  • Original 343 B
  • After minification 324 B

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. Riseisha images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 49.5 kB

  • Original 92.0 kB
  • After minification 91.2 kB
  • After compression 42.5 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 49.5 kB or 54% of the original size.

CSS Optimization

-77%

Potential reduce by 1.4 kB

  • Original 1.8 kB
  • After minification 910 B
  • After compression 409 B

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. Riseisha.ed.jp needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (30%)

Requests Now

10

After Optimization

7

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Riseisha. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

riseisha.ed.jp accessibility score

83

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

riseisha.ed.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

riseisha.ed.jp SEO score

77

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Riseisha.ed.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 Riseisha.ed.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 Riseisha. 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: