Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

all5.jp

次のテストで50点アップさせる、中学生の勉強法とは?

Page Load Speed

6.8 sec in total

First Response

653 ms

Resources Loaded

5.9 sec

Page Rendered

242 ms

About Website

Visit all5.jp now to see the best up-to-date All 5 content for Japan and also check out these interesting facts you probably never knew about all5.jp

中学生の勉強法でお悩みですか? 実は「ある一つのこと」を変えるだけで成績は簡単に上げることが出来るのです。家庭教師歴10年・200名の指導実績を持つ講師が、塾に通うことなく次のテストで50点アップさせる勉強方法をお教えします。まずは無料メールマガジンをご登録ください。

Visit all5.jp

Key Findings

We analyzed All5.jp page load time and found that the first response time was 653 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

all5.jp performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

1/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.14

79/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

all5.jp

653 ms

all5.jp

753 ms

www.all5.jp

1313 ms

master.css

212 ms

script.js

424 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 88% of them (52 requests) were addressed to the original All5.jp, 3% (2 requests) were made to Googleadservices.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain All5.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.8 kB (3%)

Content Size

548.4 kB

After Optimization

531.5 kB

In fact, the total size of All5.jp main page is 548.4 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. 25% of websites need less resources to load. Images take 450.0 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 11.6 kB

  • Original 17.6 kB
  • After minification 17.3 kB
  • After compression 6.0 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 11.6 kB or 66% of the original size.

Image Optimization

-0%

Potential reduce by 146 B

  • Original 450.0 kB
  • After minification 449.8 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. All 5 images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 3.7 kB

  • Original 73.1 kB
  • After minification 73.1 kB
  • After compression 69.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-17%

Potential reduce by 1.3 kB

  • Original 7.7 kB
  • After minification 7.7 kB
  • After compression 6.4 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. All5.jp needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (24%)

Requests Now

55

After Optimization

42

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of All 5. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

all5.jp accessibility score

64

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

Image elements do not have [alt] attributes

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

all5.jp best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

all5.jp SEO score

85

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

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 All5.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 All5.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 All 5. 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: