14.8 sec in total
1.8 sec
11.8 sec
1.3 sec
Click here to check amazing Nrj content. Otherwise, check out these important facts you probably never knew about nrj.ac.jp
Visit nrj.ac.jpWe analyzed Nrj.ac.jp page load time and found that the first response time was 1.8 sec and then it took 13.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
nrj.ac.jp performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value13.3 s
0/100
25%
Value11.4 s
5/100
10%
Value2,490 ms
4/100
30%
Value2.95
0/100
15%
Value22.0 s
1/100
10%
1762 ms
351 ms
879 ms
890 ms
900 ms
Our browser made a total of 135 requests to load all elements on the main page. We found that 67% of them (90 requests) were addressed to the original Nrj.ac.jp, 16% (22 requests) were made to Maps.google.com and 7% (9 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (8.1 sec) belongs to the original domain Nrj.ac.jp.
Page size can be reduced by 1.6 MB (27%)
5.8 MB
4.2 MB
In fact, the total size of Nrj.ac.jp main page is 5.8 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. 70% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.
Potential reduce by 264.0 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. This page needs HTML code to be minified as it can gain 41.8 kB, which is 14% 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 264.0 kB or 89% of the original size.
Potential reduce by 525.0 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, Nrj needs image optimization as it can save up to 525.0 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 544.6 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 544.6 kB or 63% of the original size.
Potential reduce by 255.4 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. Nrj.ac.jp needs all CSS files to be minified and compressed as it can save up to 255.4 kB or 87% of the original size.
Number of requests can be reduced by 51 (41%)
124
73
The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nrj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.
nrj.ac.jp
1762 ms
html5reset.css
351 ms
font-awesome.css
879 ms
jquery.mmenu.all.css
890 ms
col.css
900 ms
2cols.css
380 ms
3cols.css
523 ms
4cols.css
568 ms
5cols.css
696 ms
6cols.css
757 ms
7cols.css
868 ms
8cols.css
946 ms
9cols.css
1043 ms
10cols.css
1052 ms
11cols.css
1064 ms
12cols.css
1076 ms
style2.css
1361 ms
spinners.css
2289 ms
lightGallery.css
1578 ms
slider-pro.css
1456 ms
jquery.mmenu.css
1432 ms
jquery.mmenu.dragopen.css
1375 ms
jquery.remodal.css
1549 ms
footable.core.min1.css
1549 ms
footable.standalone.min.css
1611 ms
audioplayer.css
1633 ms
jquery-1.11.2.min.js
2760 ms
jquery.mmenu.min.js
1925 ms
jquery.mmenu.min.js
1924 ms
jquery.mmenu.dragopen.min.js
1789 ms
jquery.mmenu.fixedelements.min.js
1810 ms
memuslide.js
1968 ms
jquery.remodal.min.js
1987 ms
footable.js
2451 ms
fooscript.js
2113 ms
lightGallery.js
2685 ms
jquery.sliderPro.min.js
2538 ms
audioplayer.js
2123 ms
js
20 ms
css
23 ms
analytics.js
46 ms
kitteh1.jpg
210 ms
polina.jpg
212 ms
toppict.png
818 ms
openMar.png
816 ms
muryo2.png
1700 ms
kyufu.png
817 ms
denkou2.png
389 ms
denken.png
1156 ms
cyber.png
811 ms
message.png
1700 ms
history.png
1697 ms
song.png
1096 ms
facilities.png
1095 ms
information.png
1691 ms
electronics.png
1689 ms
electric.png
1697 ms
archi.png
1699 ms
automobile.png
1748 ms
system.png
1795 ms
robot.png
1862 ms
night.png
1698 ms
seek.png
2298 ms
elearning.png
2144 ms
dvd.png
1842 ms
other.png
2268 ms
kyujin.png
2153 ms
ricruit.png
2016 ms
kumitate.jpg
2414 ms
nagareY.jpg
3539 ms
OC.jpg
4433 ms
NOC.jpg
4307 ms
koutyou.png
4915 ms
nakamori.png
4257 ms
thumbfacility1.png
2966 ms
thumbfacility2.png
3703 ms
thumbfacility3.png
4406 ms
collect
109 ms
common.js
100 ms
map.js
101 ms
util.js
100 ms
marker.js
101 ms
infowindow.js
99 ms
JKG-L_2.ttf
8121 ms
StaticMapService.GetMapImage
591 ms
fontawesome-webfont.woff
4995 ms
onion.js
43 ms
openhand_8_8.cur
32 ms
css
31 ms
thumbfacility4.png
4024 ms
transparent.png
61 ms
iLaq6_IhpOUDksmt7yIKS6CWcynf_cDxXwCLxiixG1c.ttf
56 ms
Hg-AMDoKG3hf5SZ4hQAZr3YhjbSpvc47ee6xR_80Hnw.ttf
57 ms
ViewportInfoService.GetViewportInfo
334 ms
stats.js
54 ms
controls.js
49 ms
mapcnt6.png
284 ms
thumbfacility5.png
4155 ms
thumbfacility6.png
4028 ms
thumbfacility7.png
4395 ms
thumbfacility8.png
4110 ms
thumbfacility9.png
4016 ms
google4.png
51 ms
thumbfacility10.png
4353 ms
sv5.png
23 ms
vt
544 ms
vt
536 ms
vt
534 ms
vt
536 ms
vt
535 ms
vt
536 ms
vt
540 ms
vt
541 ms
vt
540 ms
vt
541 ms
vt
542 ms
vt
542 ms
vt
540 ms
Hgo13k-tfSpn0qi1SFdUfSZ2oysoEQEeKwjgmXLRnTc.ttf
4 ms
QHD8zigcbDB8aPfIoaupKOvvDin1pK8aKteLpeZ5c0A.ttf
521 ms
RxZJdnzeo3R5zSexge8UUSZ2oysoEQEeKwjgmXLRnTc.ttf
522 ms
d-6IYplOFocCacKzxwXSOCZ2oysoEQEeKwjgmXLRnTc.ttf
521 ms
thumbfacility11.png
4140 ms
tmapctrl.png
524 ms
cb_scout5.png
521 ms
tmapctrl4.png
521 ms
imgs8.png
522 ms
thumbfacility12.png
3873 ms
thumbfacility13.png
3877 ms
thumbfacility14.png
3796 ms
kosyo.jpg
4420 ms
logo2.gif
3984 ms
openhand.cur
3972 ms
AuthenticationService.Authenticate
26 ms
QuotaService.RecordEvent
15 ms
nrj.ac.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.
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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
nrj.ac.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
nrj.ac.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
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 Nrj.ac.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 Nrj.ac.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.
nrj.ac.jp
Open Graph description is not detected on the main page of Nrj. 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: