Tools & Wizards About Us
se-java-school.com screenshot

Report Summary

  • 95

    Performance

    Renders faster than
    93% 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

  • 62

    SEO

    Google-friendlier than
    23% of websites

se-java-school.com

神田ＩＴスクール(JAVAスクール,Linuxスクール,PHPスクール,Cスクール) 初心者・未経験者からプロのプログラマー・ＳＥ育成に特化したIT教育スクール, IT School,ＩＴスクール,IT スクール,ＩＴ　スクール, 助成金　研修　JAVA, 助成金　教育訓練, 助成金　研修　PHP,...

Page Load Speed

4.1 sec in total

First Response

606 ms

Resources Loaded

3.2 sec

Page Rendered

309 ms

se-java-school.com screenshot

About Website

Click here to check amazing Se JAVA School content for Japan. Otherwise, check out these important facts you probably never knew about se-java-school.com

神田ITスクールは、初心者・未経験者からプロのプログラマー・ＳＥ育成に特化したIT教育スクールです。業界最安値レベルで、実践的な”個人レッスン”のＪａｖａ講座、Ｌｉｎｕｘ講座、ＰＨＰ講座を実施中。 神田IT School,神田ＩＴスクール,神田 IT スクール,神田　ＩＴ　スクール,|, kandaitschool,kanda it school,kanadait,kanda-it,|, java...

Visit se-java-school.com

Key Findings

We analyzed Se-java-school.com page load time and found that the first response time was 606 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

se-java-school.com performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

85/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

se-java-school.com

606 ms

style_school.css

187 ms

__utm.js

374 ms

header.css

189 ms

footer.css

346 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 95% of them (57 requests) were addressed to the original Se-java-school.com, 5% (3 requests) were made to Se-php-school.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Se-java-school.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 77.5 kB (70%)

Content Size

111.4 kB

After Optimization

33.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Se-java-school.com main page is 111.4 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. HTML takes 49.3 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 42.8 kB

  • Original 49.3 kB
  • After minification 39.7 kB
  • After compression 6.5 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. This page needs HTML code to be minified as it can gain 9.7 kB, which is 20% 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 42.8 kB or 87% of the original size.

Image Optimization

-63%

Potential reduce by 29.6 kB

  • Original 47.0 kB
  • After minification 17.4 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. Obviously, Se JAVA School needs image optimization as it can save up to 29.6 kB or 63% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-38%

Potential reduce by 2.2 kB

  • Original 5.9 kB
  • After minification 5.9 kB
  • After compression 3.7 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 2.2 kB or 38% of the original size.

CSS Optimization

-32%

Potential reduce by 2.9 kB

  • Original 9.2 kB
  • After minification 9.1 kB
  • After compression 6.3 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. Se-java-school.com needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (22%)

Requests Now

55

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Se JAVA School. 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 CSS and as a result speed up the page load time.

Network Requests Diagram

se-java-school.com

se-java-school.com

606 ms

style_school.css

style_school.css

187 ms

__utm.js

__utm.js

374 ms

header.css

header.css

189 ms

footer.css

footer.css

346 ms

common.css

common.css

360 ms

news_link_body.htm

news_link_body.htm

400 ms

__utm.gif

__utm.gif

385 ms

header_tel.png

header_tel.png

382 ms

logo_1.PNG

logo_1.PNG

384 ms

header_copy.PNG

header_copy.PNG

386 ms

b_visit.GIF

b_visit.GIF

385 ms

b_request.GIF

b_request.GIF

387 ms

bg_menu.png

bg_menu.png

387 ms

menu_long3.GIF

menu_long3.GIF

388 ms

b_java.GIF

b_java.GIF

398 ms

b_left_classlist.GIF

b_left_classlist.GIF

529 ms

b_left_support.GIF

b_left_support.GIF

542 ms

b_right_experience.GIF

b_right_experience.GIF

542 ms

b_right_request.GIF

b_right_request.GIF

543 ms

subtitle_icon.gif

subtitle_icon.gif

547 ms

intro_jyosei_1.gif

intro_jyosei_1.gif

563 ms

page_title_index7.GIF

page_title_index7.GIF

697 ms

page_title_index5.GIF

page_title_index5.GIF

912 ms

introsubject_banner01.png

introsubject_banner01.png

712 ms

introsubject_banner02.png

introsubject_banner02.png

686 ms

introsubject_banner03.png

introsubject_banner03.png

699 ms

page_title_index6.GIF

page_title_index6.GIF

906 ms

class_recommend.gif

class_recommend.gif

839 ms

class_title_bg_.gif

class_title_bg_.gif

855 ms

index_class_1.gif

index_class_1.gif

858 ms

class_top_index.gif

class_top_index.gif

876 ms

class_left.gif

class_left.gif

1009 ms

class_category_go.gif

class_category_go.gif

1027 ms

class_right.gif

class_right.gif

1031 ms

class_bottom_index.gif

class_bottom_index.gif

1054 ms

index_class_3.gif

index_class_3.gif

1066 ms

index_class_2.gif

index_class_2.gif

1091 ms

index_class_4.gif

index_class_4.gif

1178 ms

index_class_link.GIF

index_class_link.GIF

1199 ms

list_title_kojin.gif

list_title_kojin.gif

1204 ms

news_link_body.php

news_link_body.php

896 ms

maru_dot.gif

maru_dot.gif

906 ms

list_title_hojin.gif

list_title_hojin.gif

931 ms

404.htm

404.htm

577 ms

list_bg.gif

list_bg.gif

1001 ms

main_1.gif

main_1.gif

1023 ms

b_right_hojin.GIF

b_right_hojin.GIF

1028 ms

b_right_visit.GIF

b_right_visit.GIF

1062 ms

b_right_staff.GIF

b_right_staff.GIF

1086 ms

b_right_graduate.GIF

b_right_graduate.GIF

1112 ms

b_right_seminar.GIF

b_right_seminar.GIF

1157 ms

b_right_flow.GIF

b_right_flow.GIF

1181 ms

btn_top.gif

btn_top.gif

1058 ms

bottom_logo.gif

bottom_logo.gif

1084 ms

404.php

404.php

182 ms

404.htm

404.htm

182 ms

introsubject_banner01_1.png

introsubject_banner01_1.png

187 ms

introsubject_banner02_1.png

introsubject_banner02_1.png

188 ms

introsubject_banner03_1.png

introsubject_banner03_1.png

174 ms

Accessibility Review

se-java-school.com accessibility score

64

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

se-java-school.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

se-java-school.com SEO score

62

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

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 Se-java-school.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 Se-java-school.com 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

se-java-school.com

Open Graph description is not detected on the main page of Se JAVA School. 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: