Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

alpha-1999.jp

【公式】家庭教師のアルファ|プロ家庭教師の上質な指導

Page Load Speed

5.5 sec in total

First Response

561 ms

Resources Loaded

4.7 sec

Page Rendered

287 ms

alpha-1999.jp screenshot

About Website

Click here to check amazing Alpha 1999 content for Japan. Otherwise, check out these important facts you probably never knew about alpha-1999.jp

プロ家庭教師の指導が【月8,800円】から!入会金無料!小学生・中学生・高校生対象。全国で指導実績35,000人以上!【プロ×1対1指導】だから成績が上がる!無料体験受付中!

Visit alpha-1999.jp

Key Findings

We analyzed Alpha-1999.jp page load time and found that the first response time was 561 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

alpha-1999.jp performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value19.0 s

0/100

25%

SI (Speed Index)

Value19.2 s

0/100

10%

TBT (Total Blocking Time)

Value1,050 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.461

19/100

15%

TTI (Time to Interactive)

Value21.8 s

1/100

10%

Network Requests Diagram

alpha-1999.jp

561 ms

topstyle.css

179 ms

style.css

334 ms

onmouse.js

352 ms

accnt.php

741 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 78% of them (90 requests) were addressed to the original Alpha-1999.jp, 3% (4 requests) were made to Tag.ladsp.com and 3% (3 requests) were made to Accnt.dp43081042.lolipop.jp. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Alpha-1999.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.2 kB (12%)

Content Size

782.5 kB

After Optimization

690.4 kB

In fact, the total size of Alpha-1999.jp main page is 782.5 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. Images take 638.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 18.0 kB

  • Original 23.9 kB
  • After minification 20.6 kB
  • After compression 5.9 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 3.3 kB, which is 14% 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 18.0 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 8.9 kB

  • Original 638.3 kB
  • After minification 629.4 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. Alpha 1999 images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 58.2 kB

  • Original 111.2 kB
  • After minification 110.9 kB
  • After compression 52.9 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 58.2 kB or 52% of the original size.

CSS Optimization

-77%

Potential reduce by 7.1 kB

  • Original 9.2 kB
  • After minification 7.5 kB
  • After compression 2.1 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. Alpha-1999.jp needs all CSS files to be minified and compressed as it can save up to 7.1 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (42%)

Requests Now

106

After Optimization

61

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alpha 1999. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

alpha-1999.jp accessibility score

98

Accessibility Issues

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

alpha-1999.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

alpha-1999.jp SEO score

98

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alpha-1999.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 Alpha-1999.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 Alpha 1999. 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: