4.1 sec in total
358 ms
3.6 sec
150 ms
Visit jvn.jp now to see the best up-to-date Jvn content for Japan and also check out these interesting facts you probably never knew about jvn.jp
Japan Vulnerability Notes
Visit jvn.jpWe analyzed Jvn.jp page load time and found that the first response time was 358 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
jvn.jp performance score
name
value
score
weighting
Value2.2 s
79/100
10%
Value2.2 s
95/100
25%
Value3.4 s
89/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value2.2 s
99/100
10%
358 ms
350 ms
385 ms
350 ms
352 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that all of those requests were addressed to Jvn.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Jvn.jp.
Page size can be reduced by 37.9 kB (83%)
45.6 kB
7.7 kB
In fact, the total size of Jvn.jp main page is 45.6 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. CSS take 23.0 kB which makes up the majority of the site volume.
Potential reduce by 17.1 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. This page needs HTML code to be minified as it can gain 4.8 kB, which is 23% 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 17.1 kB or 82% of the original size.
Potential reduce by 1.1 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 1.1 kB or 67% of the original size.
Potential reduce by 19.6 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. Jvn.jp needs all CSS files to be minified and compressed as it can save up to 19.6 kB or 85% of the original size.
Number of requests can be reduced by 10 (16%)
64
54
The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jvn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.
jvn.jp
358 ms
master.css
350 ms
font.css
385 ms
swapImg.js
350 ms
base.css
352 ms
r_nav_1_f2.gif
375 ms
r_nav_2_f2.gif
351 ms
r_nav_3_f2.gif
182 ms
r_nav_4_f2.gif
349 ms
r_nav_5_f2.gif
344 ms
r_nav_6_f2.gif
181 ms
r_nav_7_f2.gif
541 ms
r_nav_8_f2.gif
539 ms
r_nav_9_f2.gif
521 ms
r_nav_10_f2.gif
533 ms
r_sitenav_1_f2.gif
715 ms
r_sitenav_2_f2.gif
713 ms
r_pernav_1_f2.gif
876 ms
r_pernav_2_f2.gif
885 ms
r_pernav_3_f2.gif
717 ms
r_pernav_4_f2.gif
722 ms
r_orgnav_1_f2.gif
891 ms
r_orgnav_2_f2.gif
1086 ms
bg.gif
912 ms
bgcontents.gif
897 ms
header_bk.gif
1059 ms
sub_logo.gif
1064 ms
header_bl_bk.gif
1069 ms
backnumber.gif
1076 ms
icon_rss.gif
1089 ms
t_rist.gif
1408 ms
spacer.gif
1424 ms
icon_ke.gif
1252 ms
gray_bk.gif
1276 ms
t_status.gif
1267 ms
t_rnav_jvn.gif
1280 ms
r_nav_1.gif
1430 ms
r_nav_2.gif
1449 ms
r_nav_3.gif
1454 ms
r_nav_4.gif
1465 ms
r_nav_4_1.gif
1736 ms
r_nav_4_4.gif
1431 ms
r_nav_4_2.gif
1549 ms
r_nav_4_3.gif
1287 ms
r_nav_5.gif
1294 ms
r_nav_10.gif
1306 ms
r_nav_10_4.gif
1415 ms
r_nav_6.gif
1472 ms
r_nav_7.gif
1464 ms
r_nav_11.gif
1307 ms
r_nav_8.gif
1369 ms
r_nav_9.gif
1232 ms
t_rnav_site.gif
1258 ms
r_sitenav_1.gif
1318 ms
r_sitenav_2.gif
1369 ms
t_rnav_partner.gif
1243 ms
r_pernav_1.gif
1269 ms
r_pernav_2.gif
1286 ms
r_pernav_3.gif
1449 ms
r_pernav_4.gif
1478 ms
t_rnav_org.gif
1210 ms
r_orgnav_1.gif
1230 ms
r_orgnav_2.gif
1261 ms
cve_compatible.gif
1283 ms
print.css
179 ms
jvn.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.
jvn.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
jvn.jp SEO score
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jvn.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 Jvn.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.
jvn.jp
Open Graph description is not detected on the main page of Jvn. 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: