6.3 sec in total
936 ms
5 sec
345 ms
Click here to check amazing Oksemi content for Japan. Otherwise, check out these important facts you probably never knew about oksemi.co.jp
岡村ゼミナールは兵庫県姫路市・福崎町・赤穂市・相生市・たつの市・太子町・加西市・西脇市・加東市・小野市・高砂市小学生・中学生・高校生を対象に30教室を展開する学習塾・予備校です。
Visit oksemi.co.jpWe analyzed Oksemi.co.jp page load time and found that the first response time was 936 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.
oksemi.co.jp performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value7.3 s
5/100
25%
Value12.6 s
3/100
10%
Value570 ms
52/100
30%
Value0.603
10/100
15%
Value14.5 s
9/100
10%
936 ms
1345 ms
80 ms
33 ms
1850 ms
Our browser made a total of 79 requests to load all elements on the main page. We found that 91% of them (72 requests) were addressed to the original Oksemi.co.jp, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Ajaxzip3.googlecode.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Oksemi.co.jp.
Page size can be reduced by 202.6 kB (8%)
2.6 MB
2.4 MB
In fact, the total size of Oksemi.co.jp main page is 2.6 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. 60% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 13.1 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 13.1 kB or 74% of the original size.
Potential reduce by 68.7 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. Oksemi images are well optimized though.
Potential reduce by 89.8 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 89.8 kB or 62% of the original size.
Potential reduce by 30.9 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. Oksemi.co.jp needs all CSS files to be minified and compressed as it can save up to 30.9 kB or 85% of the original size.
Number of requests can be reduced by 12 (16%)
77
65
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oksemi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
oksemi.co.jp
936 ms
base.css
1345 ms
ajaxzip3-https.js
80 ms
jquery.min.js
33 ms
carou.js
1850 ms
jquery.easing.1.3.js
1848 ms
bgroll.js
1702 ms
pcsp.js
1707 ms
common.js
1898 ms
conversion.js
19 ms
ga.js
72 ms
co_01.jpg
555 ms
header_bg.jpg
171 ms
header_conbg.jpg
338 ms
logo.jpg
186 ms
hnav.jpg
364 ms
gnavi.jpg
892 ms
160303_01.jpg
842 ms
160303_02.jpg
1566 ms
1307test.jpg
1337 ms
main03.jpg
1008 ms
rec.jpg
720 ms
class.jpg
1079 ms
ap.jpg
1008 ms
sitemenu.jpg
1066 ms
sq.jpg
1177 ms
ace.jpg
1193 ms
okkids.jpg
1244 ms
yozemi.jpg
1437 ms
tatsuno.jpg
1341 ms
movie.jpg
1344 ms
sokudoku.jpg
1427 ms
blog.jpg
1517 ms
footer_ap.jpg
1509 ms
footer_logo.jpg
1512 ms
co_02.jpg
867 ms
co_03.jpg
868 ms
co_04.jpg
888 ms
co_05.jpg
897 ms
co_06.jpg
955 ms
tit_new.jpg
728 ms
tit_blog.jpg
913 ms
room.php
1141 ms
arrow.gif
1547 ms
arrow.gif
1564 ms
footer_bg.jpg
1625 ms
footer_conbg.jpg
1629 ms
footer_navi1.jpg
1651 ms
footer_navi2.jpg
1680 ms
44 ms
__utm.gif
35 ms
miscellaneous_sprite.png
1855 ms
50 ms
room.css
187 ms
sam02.jpg
626 ms
sam03.jpg
669 ms
sam04.jpg
671 ms
sam05.jpg
709 ms
sam06.jpg
727 ms
sam07.jpg
797 ms
sam09.jpg
834 ms
sam11.jpg
838 ms
sam12.jpg
893 ms
sam13.jpg
899 ms
sam31.jpg
948 ms
sam32.jpg
972 ms
sam14.jpg
999 ms
sam15.jpg
1003 ms
sam16.jpg
1074 ms
sam17.jpg
1069 ms
sam37.jpg
1124 ms
sam18.jpg
1150 ms
new.gif
181 ms
sam19.jpg
1164 ms
sam20.jpg
1117 ms
sam21.jpg
1101 ms
sam22.jpg
1108 ms
sam23.jpg
1149 ms
sam36.jpg
1093 ms
oksemi.co.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
Links do not have a discernible name
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
oksemi.co.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
oksemi.co.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oksemi.co.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 Oksemi.co.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.
oksemi.co.jp
Open Graph description is not detected on the main page of Oksemi. 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: