6.5 sec in total
845 ms
5.4 sec
246 ms
Welcome to itokuro.jp homepage info - get ready to check Itokuro best content for Japan right away, or after learning these important things about itokuro.jp
株式会社イトクロのコーポレートサイトです。株式会社イトクロは学習塾・予備校ポータルサイト「塾ナビ」などを運営しています。
Visit itokuro.jpWe analyzed Itokuro.jp page load time and found that the first response time was 845 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
itokuro.jp performance score
name
value
score
weighting
Value4.8 s
11/100
10%
Value6.3 s
10/100
25%
Value6.6 s
37/100
10%
Value750 ms
39/100
30%
Value0.051
99/100
15%
Value9.3 s
31/100
10%
845 ms
802 ms
296 ms
738 ms
300 ms
Our browser made a total of 62 requests to load all elements on the main page. We found that 85% of them (53 requests) were addressed to the original Itokuro.jp, 11% (7 requests) were made to V4.eir-parts.net and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Itokuro.jp.
Page size can be reduced by 143.8 kB (30%)
486.9 kB
343.1 kB
In fact, the total size of Itokuro.jp main page is 486.9 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. 25% of websites need less resources to load. Images take 276.6 kB which makes up the majority of the site volume.
Potential reduce by 9.2 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 2.0 kB, which is 16% 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 9.2 kB or 73% of the original size.
Potential reduce by 6.5 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. Itokuro images are well optimized though.
Potential reduce by 97.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 97.5 kB or 61% of the original size.
Potential reduce by 30.6 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. Itokuro.jp needs all CSS files to be minified and compressed as it can save up to 30.6 kB or 78% of the original size.
Number of requests can be reduced by 29 (48%)
60
31
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itokuro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
itokuro.jp
845 ms
www.itokuro.jp
802 ms
import.css
296 ms
jquery-1.11.3.min.js
738 ms
hover.js
300 ms
flash.js
307 ms
feedrenderer.js
316 ms
feedrenderer2.js
319 ms
feed_manager.js
589 ms
eir.js
593 ms
base.css
307 ms
home.css
316 ms
corporate.css
323 ms
business.css
590 ms
presssroom.css
592 ms
form.css
600 ms
sitemap.css
618 ms
praivacy.css
624 ms
blog.css
744 ms
english.css
888 ms
main.css
552 ms
subBg.png
737 ms
bg.png
774 ms
logo.gif
297 ms
naviTop.gif
304 ms
naviCor.gif
317 ms
naviBus.gif
318 ms
naviPre.gif
485 ms
naviIr.gif
594 ms
naviRec.gif
601 ms
naviCon.gif
611 ms
naviSite.gif
614 ms
bgBn.gif
1080 ms
visual.jpg
1349 ms
titleMedeia.gif
905 ms
logo_jyuku.gif
915 ms
logo_minnna.gif
907 ms
logo_kehikaku.gif
1065 ms
logo_yoji.gif
1205 ms
logo_igaku.gif
1220 ms
logo_card.gif
1212 ms
logo_fxonline.gif
1358 ms
logo_best.gif
1375 ms
title_news.gif
1499 ms
bt_news.gif
1514 ms
title_irnews.gif
1534 ms
10822731_100_JP.gif
1646 ms
btnFlash.gif
1651 ms
copy.gif
1668 ms
corptop.js
545 ms
announcement_1.js
185 ms
press.gif
187 ms
pdf.gif
310 ms
announcement.gif
360 ms
yuho.gif
361 ms
btnAppli.gif
1049 ms
btnIntern.gif
1064 ms
btnSeo.gif
1083 ms
bgLine.gif
1206 ms
ga.js
30 ms
bgDot.gif
1198 ms
__utm.gif
12 ms
itokuro.jp accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
itokuro.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
Page has valid source maps
itokuro.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
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Itokuro.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 Itokuro.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.
itokuro.jp
Open Graph description is not detected on the main page of Itokuro. 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: