13.8 sec in total
1.2 sec
12.3 sec
254 ms
Click here to check amazing Osaka Sandai content for Japan. Otherwise, check out these important facts you probably never knew about osaka-sandai.ed.jp
OSUH
Visit osaka-sandai.ed.jpWe analyzed Osaka-sandai.ed.jp page load time and found that the first response time was 1.2 sec and then it took 12.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
osaka-sandai.ed.jp performance score
name
value
score
weighting
Value7.2 s
1/100
10%
Value13.3 s
0/100
25%
Value21.1 s
0/100
10%
Value140 ms
95/100
30%
Value0
100/100
15%
Value13.1 s
12/100
10%
1248 ms
995 ms
808 ms
1267 ms
2237 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that 95% of them (58 requests) were addressed to the original Osaka-sandai.ed.jp, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (5 sec) relates to the external source Google-analytics.com.
Page size can be reduced by 191.1 kB (23%)
838.2 kB
647.1 kB
In fact, the total size of Osaka-sandai.ed.jp main page is 838.2 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. 20% of websites need less resources to load. Images take 598.6 kB which makes up the majority of the site volume.
Potential reduce by 28.8 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 4.2 kB, which is 12% 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 28.8 kB or 82% of the original size.
Potential reduce by 21.6 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. Osaka Sandai images are well optimized though.
Potential reduce by 111.8 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 111.8 kB or 66% of the original size.
Potential reduce by 28.9 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. Osaka-sandai.ed.jp needs all CSS files to be minified and compressed as it can save up to 28.9 kB or 82% of the original size.
Number of requests can be reduced by 5 (8%)
59
54
The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osaka Sandai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
www.osaka-sandai.ed.jp
1248 ms
common.css
995 ms
index.css
808 ms
floating_menu_sp.css
1267 ms
jquery.js
2237 ms
floating_menu_sp.js
1271 ms
common_all.js
766 ms
common.js
959 ms
scripts.js
1000 ms
analytics.js
4958 ms
header_back.gif
400 ms
logo.gif
591 ms
link_area01_on.gif
402 ms
link_area02_on.gif
399 ms
link_area02.gif
410 ms
link_area03_on.gif
415 ms
link_area03.gif
590 ms
menu_back.gif
591 ms
menu01.gif
592 ms
menu02.gif
606 ms
menu03.gif
614 ms
menu04.gif
782 ms
menu05.gif
782 ms
sp_navi_close.gif
783 ms
sp_logo.gif
977 ms
main_img.jpg
3351 ms
common_icon01.gif
812 ms
info_title.gif
973 ms
banner_jhs.png
974 ms
banner_hs.png
1165 ms
banner_club.png
1208 ms
fb_banner.gif
1354 ms
media_button_twitter.gif
1354 ms
media_button_youtube.gif
1548 ms
media_button_pamphlet.gif
1740 ms
qa_button.png
1605 ms
dr_button.png
1929 ms
openschool_button.png
1738 ms
btn_sitemap.png
1742 ms
btn_toppage.png
1806 ms
btn_toppage_jhs.png
1930 ms
btn_toppage_hs.png
1932 ms
btn_top.png
1932 ms
footer_back.gif
2005 ms
footer_icon01.gif
2120 ms
footer_yazirusi01.gif
2099 ms
collect
14 ms
collect
58 ms
footer_icon02.gif
1735 ms
footer_yazirusi02.gif
1737 ms
footer_icon03.gif
1815 ms
footer_yazirusi03.gif
1913 ms
footer_icon04.gif
1911 ms
footer_yazirusi04.gif
1738 ms
footerlogo.gif
1739 ms
weight-lifting.png
1825 ms
shorinji-kempo.png
1924 ms
dance.png
1911 ms
cheerleading.png
1906 ms
judo.png
1738 ms
wind-music.png
1834 ms
osaka-sandai.ed.jp accessibility score
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
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
osaka-sandai.ed.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
osaka-sandai.ed.jp SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osaka-sandai.ed.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Osaka-sandai.ed.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.
osaka-sandai.ed.jp
Open Graph description is not detected on the main page of Osaka Sandai. 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: