Tools & Wizards About Us
eikoh-seminar.com screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

eikoh-seminar.com

栄光ゼミナール公式サイト | 中学受験・高校受験・大学受験・個別指導はお任せください。

Page Load Speed

5.9 sec in total

First Response

573 ms

Resources Loaded

3.6 sec

Page Rendered

1.7 sec

eikoh-seminar.com screenshot

About Website

Click here to check amazing Eikoh Seminar content for Japan. Otherwise, check out these important facts you probably never knew about eikoh-seminar.com

中学受験・高校受験・大学受験・個別指導の塾、栄光ゼミナール公式サイト。少人数グループ指導や個別指導など多様な指導で、一人ひとりの成績向上・志望校合格を実現します。

Visit eikoh-seminar.com

Key Findings

We analyzed Eikoh-seminar.com page load time and found that the first response time was 573 ms and then it took 5.4 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

eikoh-seminar.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

eikoh-seminar.com

573 ms

www.eikoh.co.jp

1332 ms

gtm.js

64 ms

js

97 ms

style.min.css

171 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Eikoh-seminar.com, 51% (24 requests) were made to Eikoh.co.jp and 13% (6 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Eikoh.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 123.4 kB (48%)

Content Size

258.8 kB

After Optimization

135.3 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Eikoh-seminar.com main page is 258.8 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. 55% of websites need less resources to load. HTML takes 129.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 108.0 kB

  • Original 129.5 kB
  • After minification 124.8 kB
  • After compression 21.5 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. 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 108.0 kB or 83% of the original size.

JavaScript Optimization

-0%

Potential reduce by 164 B

  • Original 58.7 kB
  • After minification 58.7 kB
  • After compression 58.5 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

-22%

Potential reduce by 15.3 kB

  • Original 70.6 kB
  • After minification 70.6 kB
  • After compression 55.3 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. Eikoh-seminar.com needs all CSS files to be minified and compressed as it can save up to 15.3 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (71%)

Requests Now

45

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Eikoh Seminar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

eikoh-seminar.com

eikoh-seminar.com

573 ms

www.eikoh.co.jp

www.eikoh.co.jp

1332 ms

gtm.js

gtm.js

64 ms

js

js

97 ms

style.min.css

style.min.css

171 ms

style.css

style.css

507 ms

grade-label-color.css

grade-label-color.css

594 ms

jquery.min.js

jquery.min.js

761 ms

jquery-migrate.min.js

jquery-migrate.min.js

598 ms

block.css

block.css

599 ms

fix.css

fix.css

596 ms

block.js

block.js

672 ms

header_widget.js

header_widget.js

975 ms

modaal.min.js

modaal.min.js

755 ms

slick.min.js

slick.min.js

839 ms

jquery.cookie.min.js

jquery.cookie.min.js

31 ms

script.js

script.js

840 ms

smush-lazy-load.min.js

smush-lazy-load.min.js

839 ms

js

js

59 ms

ytag.js

ytag.js

724 ms

destination

destination

191 ms

destination

destination

191 ms

js

js

185 ms

analytics.js

analytics.js

152 ms

collect

collect

58 ms

collect

collect

13 ms

ga-audiences

ga-audiences

84 ms

logo-eikoh.svg

logo-eikoh.svg

178 ms

logo-zkai.svg

logo-zkai.svg

176 ms

240424_shingakki_mv_pc.webp

240424_shingakki_mv_pc.webp

342 ms

RM_2671_2.jpg.webp

RM_2671_2.jpg.webp

177 ms

img02@2x.png.webp

img02@2x.png.webp

179 ms

icon-search.svg

icon-search.svg

174 ms

header-icon-home.svg

header-icon-home.svg

341 ms

icon-building.svg

icon-building.svg

341 ms

icon-check.png.webp

icon-check.png.webp

280 ms

btn-icon@2x.png.webp

btn-icon@2x.png.webp

280 ms

lt.js

lt.js

74 ms

fbevents.js

fbevents.js

38 ms

cmt.js

cmt.js

80 ms

tracker.js

tracker.js

737 ms

fire_formhandler.js

fire_formhandler.js

415 ms

UC_2828_top_20241231-768x332.webp

UC_2828_top_20241231-768x332.webp

172 ms

json.php

json.php

208 ms

err.gif

err.gif

670 ms

err.gif

err.gif

675 ms

pd.js

pd.js

21 ms

Accessibility Review

eikoh-seminar.com accessibility score

68

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

eikoh-seminar.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

eikoh-seminar.com SEO score

92

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Eikoh-seminar.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 Eikoh-seminar.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

eikoh-seminar.com

Open Graph data is detected on the main page of Eikoh Seminar. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: