5.2 sec in total
454 ms
4.4 sec
302 ms
Visit codeblue.jp now to see the best up-to-date CODE BLUE content for Japan and also check out these interesting facts you probably never knew about codeblue.jp
page.World leading security researchers will come together for this unique international talks in Tokyo November 9th to 15th 2024
Visit codeblue.jpWe analyzed Codeblue.jp page load time and found that the first response time was 454 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
codeblue.jp performance score
name
value
score
weighting
Value5.0 s
10/100
10%
Value6.2 s
11/100
25%
Value8.7 s
17/100
10%
Value150 ms
95/100
30%
Value0.005
100/100
15%
Value10.9 s
21/100
10%
454 ms
399 ms
85 ms
97 ms
860 ms
Our browser made a total of 62 requests to load all elements on the main page. We found that 74% of them (46 requests) were addressed to the original Codeblue.jp, 8% (5 requests) were made to Facebook.com and 5% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Codeblue.jp.
Page size can be reduced by 304.7 kB (50%)
608.2 kB
303.5 kB
In fact, the total size of Codeblue.jp main page is 608.2 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. 45% of websites need less resources to load. Javascripts take 266.9 kB which makes up the majority of the site volume.
Potential reduce by 19.8 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. 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 19.8 kB or 74% of the original size.
Potential reduce by 33.0 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, CODE BLUE needs image optimization as it can save up to 33.0 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 181.1 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 181.1 kB or 68% of the original size.
Potential reduce by 70.7 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. Codeblue.jp needs all CSS files to be minified and compressed as it can save up to 70.7 kB or 85% of the original size.
Number of requests can be reduced by 11 (19%)
57
46
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CODE BLUE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
codeblue.jp
454 ms
399 ms
css
85 ms
css
97 ms
style.css
860 ms
libs.js
1459 ms
common.js
549 ms
index.js
216 ms
fbds.js
224 ms
btn_label_start.gif
252 ms
btn_label_sns_fb.png
253 ms
btn_label_sns_twitter.png
252 ms
btn_label_sns_flickr.png
248 ms
bg.jpg
1086 ms
animation_bg.gif
586 ms
icon_attention.png
426 ms
btn_label_menu.gif
425 ms
icon_n_news.gif
425 ms
icon_n_press.gif
683 ms
bnr_hitachi.gif
598 ms
bnr_kaspersky.gif
587 ms
bnr_LAC.gif
591 ms
bnr_kccs.gif
766 ms
bnr_LINE.gif
767 ms
bnr_trendmicro.gif
779 ms
bnr_dit.gif
785 ms
bnr_panasonic.gif
881 ms
bnr_beyondsecurity.gif
950 ms
bnr_daj.gif
941 ms
bnr_nec.gif
953 ms
bnr_asgent.gif
963 ms
bnr_ntt_data.gif
1071 ms
bnr_verisign.gif
1116 ms
bnr_pri_rgp.gif
1117 ms
bnr_nssmc.gif
1141 ms
bnr_YEC.gif
1156 ms
bnr_ETAS.gif
1232 ms
bnr_cybozu.gif
1273 ms
bnr_ffri.gif
1298 ms
bnr_rakuten.gif
1299 ms
bnr_crosswarp.gif
1328 ms
bnr_scsk.gif
1345 ms
bnr_KPMG.gif
1402 ms
bnr_NSHC.gif
1472 ms
bnr_DMM.gif
1354 ms
QnguTd82yEUxQZygH2gm8KCWcynf_cDxXwCLxiixG1c.ttf
153 ms
lVErvynhvxLufD6jW6vDo_esZW2xOQ-xsNqO47m55DA.ttf
244 ms
Wprc8_GrCVbQmKc-0NykFJ0EAVxt0G0biEntp43Qt6E.ttf
249 ms
306 ms
loading_bg.json
1296 ms
sdk.js
47 ms
page_loading.json
1255 ms
68 ms
xd_arbiter.php
50 ms
xd_arbiter.php
85 ms
23 ms
22 ms
loading_bg.png
182 ms
page_loading.png
580 ms
like.php
95 ms
wy1X4hBW7e7.js
49 ms
LVx-xkvaJ0b.png
29 ms
codeblue.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.
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
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.
codeblue.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
Browser errors were logged to the console
codeblue.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Codeblue.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Codeblue.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.
codeblue.jp
Open Graph data is detected on the main page of CODE BLUE. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: