4.5 sec in total
858 ms
3.4 sec
209 ms
Visit jcert.co.jp now to see the best up-to-date Jcert content for Japan and also check out these interesting facts you probably never knew about jcert.co.jp
世界3大 SSL/TLSにして 世界唯一の双子認証局 スターフィールド&Go Daddy 両用SSL/TLS証明書。今なら乗換で EV 年間17,500円(税抜)OV/DVは+30日無償ボーナス。
Visit jcert.co.jpWe analyzed Jcert.co.jp page load time and found that the first response time was 858 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
jcert.co.jp performance score
name
value
score
weighting
Value3.9 s
24/100
10%
Value10.7 s
0/100
25%
Value7.3 s
29/100
10%
Value840 ms
34/100
30%
Value0.014
100/100
15%
Value6.3 s
61/100
10%
858 ms
356 ms
357 ms
168 ms
936 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 81% of them (34 requests) were addressed to the original Jcert.co.jp, 5% (2 requests) were made to Google-analytics.com and 5% (2 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Jcert.co.jp.
Page size can be reduced by 71.4 kB (35%)
204.2 kB
132.7 kB
In fact, the total size of Jcert.co.jp main page is 204.2 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. 15% of websites need less resources to load. Images take 108.1 kB which makes up the majority of the site volume.
Potential reduce by 18.8 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 3.3 kB, which is 12% 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 18.8 kB or 70% of the original size.
Potential reduce by 7.1 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. Jcert images are well optimized though.
Potential reduce by 599 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 45.0 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. Jcert.co.jp needs all CSS files to be minified and compressed as it can save up to 45.0 kB or 88% of the original size.
Number of requests can be reduced by 6 (15%)
40
34
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jcert. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
jcert.co.jp
858 ms
import.css
356 ms
rollover.js
357 ms
reset.css
168 ms
main.css
936 ms
icon_head01.gif
167 ms
img_logo.gif
184 ms
img_logo02.gif
356 ms
search.png
333 ms
gnavi-home.gif
521 ms
gnavi-about-ssl.gif
538 ms
gnavi-procedure.gif
364 ms
gnavi-support.gif
572 ms
gnavi-partner.gif
518 ms
gnavi-contact.gif
537 ms
130315_main-visual.jpg
740 ms
banner-01.jpg
838 ms
btn-m04.jpg
897 ms
index_bnr01.gif
1074 ms
index_bnr02.gif
940 ms
index_bnr03.gif
945 ms
index_bnr08.gif
925 ms
index_bnr04_01.gif
1007 ms
index_bnr04_02.gif
1071 ms
index_infomation.gif
1105 ms
index_infomation02.gif
1120 ms
border-dotted.gif
1123 ms
banner_case02.jpg
1557 ms
index_boxbg01.gif
1242 ms
index_seal.gif
1252 ms
site_seal.gif
1285 ms
site_seal_banner.gif
1299 ms
thum02.jpg
1305 ms
footer_bar.gif
1412 ms
ga.js
4 ms
all.js
416 ms
__utm.gif
13 ms
collect
59 ms
50 ms
xd_arbiter.php
210 ms
xd_arbiter.php
417 ms
ping
35 ms
jcert.co.jp accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
Links do not have a discernible name
jcert.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
jcert.co.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jcert.co.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 Jcert.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.
jcert.co.jp
Open Graph data is detected on the main page of Jcert. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: