Tools & Wizards About Us
aduma-shingaku.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

aduma-shingaku.com

埼玉県の受験に強いあづま進学教室/さいたま・上尾・蓮田に9教室

Page Load Speed

2.4 sec in total

First Response

546 ms

Resources Loaded

1.7 sec

Page Rendered

213 ms

aduma-shingaku.com screenshot

About Website

Click here to check amazing Aduma Shingaku content for Japan. Otherwise, check out these important facts you probably never knew about aduma-shingaku.com

浦和高・浦和一女高・大宮高・春日部高・市立浦和高・埼玉大学附属中・浦和中・伊奈学園中・大宮国際中・川口市立高附属中を受験するなら、驚異の合格実績と合格率を誇る「あづま進学教室」。

Visit aduma-shingaku.com

Key Findings

We analyzed Aduma-shingaku.com page load time and found that the first response time was 546 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

aduma-shingaku.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

28/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.76

5/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

aduma-shingaku.com

546 ms

style.css

176 ms

jquery.min.js

34 ms

script.js

350 ms

analytics.js

58 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 82% of them (18 requests) were addressed to the original Aduma-shingaku.com, 9% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (699 ms) belongs to the original domain Aduma-shingaku.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.8 kB (56%)

Content Size

165.2 kB

After Optimization

72.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aduma-shingaku.com main page is 165.2 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. 15% of websites need less resources to load. Images take 78.9 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 4.2 kB

  • Original 5.8 kB
  • After minification 3.6 kB
  • After compression 1.6 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 2.2 kB, which is 38% 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 4.2 kB or 72% of the original size.

Image Optimization

-42%

Potential reduce by 33.3 kB

  • Original 78.9 kB
  • After minification 45.6 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. Obviously, Aduma Shingaku needs image optimization as it can save up to 33.3 kB or 42% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 32.6 kB

  • Original 53.8 kB
  • After minification 53.4 kB
  • After compression 21.2 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 32.6 kB or 61% of the original size.

CSS Optimization

-85%

Potential reduce by 22.8 kB

  • Original 26.7 kB
  • After minification 21.5 kB
  • After compression 3.9 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. Aduma-shingaku.com needs all CSS files to be minified and compressed as it can save up to 22.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (40%)

Requests Now

20

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aduma Shingaku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

aduma-shingaku.com

aduma-shingaku.com

546 ms

style.css

style.css

176 ms

jquery.min.js

jquery.min.js

34 ms

script.js

script.js

350 ms

analytics.js

analytics.js

58 ms

back.png

back.png

357 ms

logo.gif

logo.gif

204 ms

head_contact.png

head_contact.png

337 ms

top_copy.png

top_copy.png

338 ms

top_pr.png

top_pr.png

522 ms

top_cate2_01.gif

top_cate2_01.gif

370 ms

top_cate2_06.gif

top_cate2_06.gif

384 ms

top_cate2_02.gif

top_cate2_02.gif

503 ms

top_cate2_03.gif

top_cate2_03.gif

502 ms

top_cate2_08.gif

top_cate2_08.gif

521 ms

top_cate2_05.gif

top_cate2_05.gif

549 ms

top_cate2_04.gif

top_cate2_04.gif

562 ms

top_cate2_07.gif

top_cate2_07.gif

686 ms

top_banner_l_01.png

top_banner_l_01.png

684 ms

top_banner_r.png

top_banner_r.png

699 ms

collect

collect

13 ms

collect

collect

74 ms

Accessibility Review

aduma-shingaku.com accessibility score

79

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

aduma-shingaku.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

aduma-shingaku.com SEO score

90

Search Engine Optimization Advices

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

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aduma-shingaku.com 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 Aduma-shingaku.com 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

aduma-shingaku.com

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