6.5 sec in total
755 ms
5 sec
768 ms
Welcome to osouji-school.jp homepage info - get ready to check Osouji School best content right away, or after learning these important things about osouji-school.jp
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Visit osouji-school.jpWe analyzed Osouji-school.jp page load time and found that the first response time was 755 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
osouji-school.jp performance score
name
value
score
weighting
Value4.0 s
24/100
10%
Value32.3 s
0/100
25%
Value10.5 s
7/100
10%
Value7,300 ms
0/100
30%
Value0.195
63/100
15%
Value26.6 s
0/100
10%
755 ms
349 ms
529 ms
732 ms
755 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 86% of them (63 requests) were addressed to the original Osouji-school.jp, 4% (3 requests) were made to S.ytimg.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Osouji-school.jp.
Page size can be reduced by 846.3 kB (41%)
2.0 MB
1.2 MB
In fact, the total size of Osouji-school.jp main page is 2.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 17.0 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 17.0 kB or 74% of the original size.
Potential reduce by 306.6 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, Osouji School needs image optimization as it can save up to 306.6 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 270.4 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 270.4 kB or 67% of the original size.
Potential reduce by 252.4 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. Osouji-school.jp needs all CSS files to be minified and compressed as it can save up to 252.4 kB or 84% of the original size.
Number of requests can be reduced by 16 (23%)
69
53
The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osouji 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 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
osouji-school.jp
755 ms
for_pc.css
349 ms
common.css
529 ms
jquery.min.js
732 ms
jquery.bxslider.js
755 ms
jquery.bxslider.css
387 ms
analytics.js
5 ms
collect
14 ms
P3dDYa5phT4
239 ms
bk_body.gif
291 ms
header_left_pc.jpg
363 ms
header_right_pc.jpg
393 ms
header_tablet.png
862 ms
header_tablet02.png
696 ms
header_tablet03.png
389 ms
header_left_sp.png
597 ms
header_tel_sp.jpg
540 ms
header_map_sp.png
765 ms
bk_nav.jpg
585 ms
bk_h2.jpg
723 ms
03.jpg
1942 ms
img_tel.gif
781 ms
img_building.jpg
869 ms
bk_click.jpg
904 ms
bk_h3.jpg
952 ms
bk_sidemenu.jpg
965 ms
01.jpg
1058 ms
02.jpg
1043 ms
03.jpg
1083 ms
04.jpg
1142 ms
05.jpg
1149 ms
06.jpg
1216 ms
07.jpg
1255 ms
08.jpg
1263 ms
banner_jha.jpg
1332 ms
banner_3s.jpg
1335 ms
banner_kaji.jpg
1389 ms
banner_jsa.jpg
1452 ms
banner_egao.jpg
1444 ms
img_kimete02.jpg
2268 ms
bk_h3.jpg
1522 ms
photo_shimizu.jpg
1561 ms
photo_miyazaki.jpg
1621 ms
photo_tsuboya.jpg
1650 ms
img_kenshu06.jpg
2086 ms
www-embed-player-vflfNyN_r.css
33 ms
www-embed-player.js
59 ms
base.js
83 ms
fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
43 ms
ad_status.js
44 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
32 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
31 ms
bn_voice.jpg
1458 ms
main_img07.jpg
1797 ms
main_img08.jpg
2052 ms
main_img03.jpg
1871 ms
main_img02.jpg
1856 ms
bn_entry.jpg
1701 ms
photo_takahashi.jpg
1749 ms
sato.jpg
1741 ms
urano.jpg
1745 ms
shimizu.jpg
1707 ms
bn_shidouin.jpg
1745 ms
atsuta09.jpg
1919 ms
img_voice07.jpg
1741 ms
img_voice08.jpg
1734 ms
img_top03.jpg
1704 ms
img_top04.jpg
1693 ms
img_top06.jpg
1660 ms
img_voice06.jpg
2069 ms
bk_btn.jpg
1753 ms
for_sp.css
187 ms
for_tablet.css
186 ms
osouji-school.jp accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
osouji-school.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
osouji-school.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Document uses legible font sizes
Tap targets are not sized appropriately
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osouji-school.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 Osouji-school.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.
osouji-school.jp
Open Graph description is not detected on the main page of Osouji 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: