Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

nozomigakuen.co.jp

難関国・私立中受験専門スーパーエリート塾 希学園

Page Load Speed

6.5 sec in total

First Response

592 ms

Resources Loaded

5.8 sec

Page Rendered

136 ms

nozomigakuen.co.jp screenshot

About Website

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

難関国立・私立中学受験専門塾、希学園の公式ウェブサイト。小学生の中学受験において「塾生一人ひとりの第一志望校合格」が中学受験専門塾希学園のめざすものです。

Visit nozomigakuen.co.jp

Key Findings

We analyzed Nozomigakuen.co.jp page load time and found that the first response time was 592 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

nozomigakuen.co.jp performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

Network Requests Diagram

nozomigakuen.co.jp

592 ms

layout6.css

182 ms

master.js

346 ms

btop.jpg

1804 ms

ga.js

30 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 86% of them (24 requests) were addressed to the original Nozomigakuen.co.jp, 14% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Nozomigakuen.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.6 kB (10%)

Content Size

343.6 kB

After Optimization

308.1 kB

In fact, the total size of Nozomigakuen.co.jp main page is 343.6 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. Images take 268.0 kB which makes up the majority of the site volume.

HTML Optimization

-51%

Potential reduce by 1.5 kB

  • Original 2.9 kB
  • After minification 2.7 kB
  • After compression 1.4 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 1.5 kB or 51% of the original size.

Image Optimization

-0%

Potential reduce by 156 B

  • Original 268.0 kB
  • After minification 267.9 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. Nozomigakuen images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 33.8 kB

  • Original 72.4 kB
  • After minification 72.1 kB
  • After compression 38.7 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 33.8 kB or 47% of the original size.

CSS Optimization

-61%

Potential reduce by 189 B

  • Original 312 B
  • After minification 150 B
  • After compression 123 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. Nozomigakuen.co.jp needs all CSS files to be minified and compressed as it can save up to 189 B or 61% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nozomigakuen. According to our analytics all requests are already optimized.

Accessibility Review

nozomigakuen.co.jp accessibility score

100

Accessibility Issues

Best Practices

nozomigakuen.co.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

nozomigakuen.co.jp SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nozomigakuen.co.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 Nozomigakuen.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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