Tools & Wizards About Us
sanaru.jp screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

sanaru.jp

株式会社さなる｜佐鳴予備校・啓明館・三島進学ゼミナール・中萬学院

Page Load Speed

5.7 sec in total

First Response

464 ms

Resources Loaded

5.1 sec

Page Rendered

124 ms

sanaru.jp screenshot

About Website

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

株式会社さなるの公式HPです。佐鳴予備校・啓明館・九大進学ゼミ・三島進学ゼミナールのさなるグループの取組みをご紹介いたします。

Visit sanaru.jp

Key Findings

We analyzed Sanaru.jp page load time and found that the first response time was 464 ms and then it took 5.3 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

sanaru.jp performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

sanaru.jp

464 ms

www.sanaru.jp

468 ms

default.css

359 ms

shared.css

541 ms

edit.css

362 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 96% of them (44 requests) were addressed to the original Sanaru.jp, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Sanaru.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 112.5 kB (17%)

Content Size

669.0 kB

After Optimization

556.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sanaru.jp main page is 669.0 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. 20% of websites need less resources to load. Images take 494.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 6.4 kB

  • Original 9.0 kB
  • After minification 8.9 kB
  • After compression 2.6 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. 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 6.4 kB or 71% of the original size.

Image Optimization

-1%

Potential reduce by 2.7 kB

  • Original 494.9 kB
  • After minification 492.2 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. Sanaru images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 84.1 kB

  • Original 142.4 kB
  • After minification 136.1 kB
  • After compression 58.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 84.1 kB or 59% of the original size.

CSS Optimization

-85%

Potential reduce by 19.3 kB

  • Original 22.7 kB
  • After minification 13.5 kB
  • After compression 3.4 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. Sanaru.jp needs all CSS files to be minified and compressed as it can save up to 19.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (18%)

Requests Now

44

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sanaru. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sanaru.jp

sanaru.jp

464 ms

www.sanaru.jp

www.sanaru.jp

468 ms

default.css

default.css

359 ms

shared.css

shared.css

541 ms

edit.css

edit.css

362 ms

jquery.js

jquery.js

1270 ms

gd.js

gd.js

550 ms

setting_head.js

setting_head.js

372 ms

setting_body.js

setting_body.js

704 ms

easing.js

easing.js

729 ms

timers.js

timers.js

744 ms

gallery.js

gallery.js

904 ms

setting_onload.js

setting_onload.js

907 ms

ga.js

ga.js

47 ms

body_bg.jpg

body_bg.jpg

178 ms

hlogo.gif

hlogo.gif

349 ms

lnavi_recruit_bnr.jpg

lnavi_recruit_bnr.jpg

355 ms

lnavi_message_bnr.jpg

lnavi_message_bnr.jpg

356 ms

lnavi_access_bnr.jpg

lnavi_access_bnr.jpg

359 ms

sanaru_recruit_fb01.png

sanaru_recruit_fb01.png

748 ms

gallery_01.jpg

gallery_01.jpg

1764 ms

gallery_02.jpg

gallery_02.jpg

1953 ms

gallery_03.jpg

gallery_03.jpg

1222 ms

about_ttl.gif

about_ttl.gif

718 ms

about_img.gif

about_img.gif

745 ms

about_identity_btn.gif

about_identity_btn.gif

1074 ms

about_outline_btn.gif

about_outline_btn.gif

1100 ms

about_kensyou_btn.gif

about_kensyou_btn.gif

1133 ms

about_develop_btn.gif

about_develop_btn.gif

1440 ms

history_ttl.gif

history_ttl.gif

1501 ms

history_img.jpg

history_img.jpg

1813 ms

network_ttl.gif

network_ttl.gif

1583 ms

network_img.jpg

network_img.jpg

1980 ms

grouplink_ttl.jpg

grouplink_ttl.jpg

1878 ms

crammig_bnr.jpg

crammig_bnr.jpg

1952 ms

keimeisha_bnr.jpg

keimeisha_bnr.jpg

2155 ms

kyudai_bnr.jpg

kyudai_bnr.jpg

2168 ms

mishima_bnr.jpg

mishima_bnr.jpg

2224 ms

fnavi_recruit.gif

fnavi_recruit.gif

2283 ms

fnavi_sitemap.gif

fnavi_sitemap.gif

2294 ms

flogo.jpg

flogo.jpg

2399 ms

header_bg.jpg

header_bg.jpg

2530 ms

gnavi.jpg

gnavi.jpg

2911 ms

about_bg.jpg

about_bg.jpg

2621 ms

footer_bg.jpg

footer_bg.jpg

2674 ms

__utm.gif

__utm.gif

23 ms

Accessibility Review

sanaru.jp accessibility score

93

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Best Practices

sanaru.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

sanaru.jp SEO score

100

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

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 Sanaru.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 Sanaru.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

sanaru.jp

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