6.9 sec in total
1.7 sec
4.8 sec
400 ms
Visit driver.jp now to see the best up-to-date Driver content for Japan and also check out these interesting facts you probably never knew about driver.jp
教習所をお探しならお任せください!全国47都道府県の中から教習所選びができる運転免許&教習所ガイドで決まり!詳しくはホームページをご覧ください。
Visit driver.jpWe analyzed Driver.jp page load time and found that the first response time was 1.7 sec and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
driver.jp performance score
name
value
score
weighting
Value6.6 s
2/100
10%
Value10.1 s
0/100
25%
Value16.2 s
0/100
10%
Value20 ms
100/100
30%
Value0.223
56/100
15%
Value7.8 s
44/100
10%
1693 ms
783 ms
349 ms
823 ms
555 ms
Our browser made a total of 97 requests to load all elements on the main page. We found that 57% of them (55 requests) were addressed to the original Driver.jp, 7% (7 requests) were made to Apis.google.com and 4% (4 requests) were made to Imgs.driver.jp. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Driver.jp.
Page size can be reduced by 122.4 kB (20%)
621.7 kB
499.3 kB
In fact, the total size of Driver.jp main page is 621.7 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. 55% of websites need less resources to load. Images take 461.9 kB which makes up the majority of the site volume.
Potential reduce by 67.6 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 67.6 kB or 71% of the original size.
Potential reduce by 19.8 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. Driver images are well optimized though.
Potential reduce by 29.1 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 29.1 kB or 51% of the original size.
Potential reduce by 5.9 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. Driver.jp needs all CSS files to be minified and compressed as it can save up to 5.9 kB or 77% of the original size.
Number of requests can be reduced by 45 (47%)
95
50
The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Driver. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
driver.jp
1693 ms
scripts.php
783 ms
scripts.php
349 ms
scripts.php
823 ms
scripts.php
555 ms
scripts.php
577 ms
scripts.php
528 ms
scripts.php
1032 ms
scripts.php
748 ms
scripts.php
752 ms
scripts.php
794 ms
js
37 ms
ajaxzip3-https.js
84 ms
scripts.php
951 ms
scripts.php
948 ms
scripts.php
958 ms
scripts.php
990 ms
scripts.php
999 ms
widgets.js
7 ms
bookmark_button.js
343 ms
gs_image_115-57_ja.js
8 ms
sc_main_1001.jpg
1400 ms
button-only.gif
172 ms
addmy_btn.gif
507 ms
gs_noscript_115-57_ja.gif
33 ms
banner_job.jpg
1049 ms
dse_logo.gif
192 ms
topimg.jpg
497 ms
jp-map.gif
168 ms
title_area_hokkaido-touhoku.png
192 ms
title_area_kantou.png
191 ms
title_area_hokuriku-koushinetsu.png
167 ms
title_area_toukai.png
364 ms
title_area_kinki.png
364 ms
title_area_chugoku.png
389 ms
title_area_shikoku.png
388 ms
title_area_kyushu-okinawa.png
389 ms
hoshi.gif
509 ms
atmt.gif
514 ms
bike.gif
549 ms
car_n.gif
575 ms
car_l.gif
575 ms
recruit.gif
646 ms
exam_tkn.gif
667 ms
return_top.png
676 ms
sc_main_3018.jpg
1254 ms
sc_main_4335.jpg
1219 ms
sc_main_3010.JPG
1082 ms
all.js
288 ms
bg_header.jpg
708 ms
bt_search.png
741 ms
bg_g-nav.png
743 ms
sideline_g-nav.png
780 ms
bg_content-title.gif
808 ms
prefectures_hokkaido-touhoku.png
975 ms
prefectures_kantou.png
1060 ms
prefectures_hokuriku-koushinetsu.png
928 ms
prefectures_toukai.png
1114 ms
prefectures_kinki.png
934 ms
prefectures_chugoku.png
1125 ms
prefectures_shikoku.png
1117 ms
prefectures_kyushu-okinawa.png
1092 ms
topics_top.png
1136 ms
topics_bottom.png
1238 ms
topics_middle.png
1247 ms
topics_title.gif
1304 ms
plusone.js
120 ms
border_side-widget-title.png
1172 ms
281 ms
ga.js
60 ms
siteSeal.do
662 ms
button.831500944bc3eb7ea5276ccdc3f71d2e.js
30 ms
bg_footer-widget-title.png
1146 ms
like.php
230 ms
tweet_button.6a78875565a912489e9aef879c881358.ja.html
45 ms
__utm.gif
26 ms
cb=gapi.loaded_0
54 ms
cb=gapi.loaded_1
77 ms
fastbutton
153 ms
128 ms
xd_arbiter.php
229 ms
xd_arbiter.php
438 ms
postmessageRelay
72 ms
cb=gapi.loaded_0
34 ms
cb=gapi.loaded_1
43 ms
api.js
54 ms
core:rpc:shindig.random:shindig.sha1.js
91 ms
2536007149-postmessagerelay.js
84 ms
reset.css
57 ms
entry-button.css
56 ms
jot
138 ms
vpc6VNjRPXV.js
504 ms
LVx-xkvaJ0b.png
568 ms
W5F8_SL0XFawnjxHGsZjJA.ttf
135 ms
button-counter.gif
11 ms
siteSealImage.do
187 ms
driver.jp
1162 ms
driver.jp accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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.
driver.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
driver.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Driver.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 Driver.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.
driver.jp
Open Graph data is detected on the main page of Driver. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: