5.7 sec in total
808 ms
4.7 sec
202 ms
Visit jarl.org now to see the best up-to-date Jarl content for Japan and also check out these interesting facts you probably never knew about jarl.org
一般社団法人 日本アマチュア無線連盟 | 無線 | アマチュア無線
Visit jarl.orgWe analyzed Jarl.org page load time and found that the first response time was 808 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
jarl.org performance score
name
value
score
weighting
Value2.9 s
53/100
10%
Value3.7 s
59/100
25%
Value4.8 s
67/100
10%
Value80 ms
99/100
30%
Value0.089
92/100
15%
Value5.5 s
70/100
10%
808 ms
521 ms
884 ms
353 ms
360 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 67% of them (30 requests) were addressed to the original Jarl.org, 20% (9 requests) were made to Google.com and 7% (3 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Jarl.org.
Page size can be reduced by 271.3 kB (21%)
1.3 MB
1.0 MB
In fact, the total size of Jarl.org main page is 1.3 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. 30% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 16.8 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 16.8 kB or 72% of the original size.
Potential reduce by 139.3 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, Jarl needs image optimization as it can save up to 139.3 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 94.1 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 94.1 kB or 47% of the original size.
Potential reduce by 21.1 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. Jarl.org needs all CSS files to be minified and compressed as it can save up to 21.1 kB or 81% of the original size.
Number of requests can be reduced by 13 (31%)
42
29
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jarl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
jarl.org
808 ms
style-1.css
521 ms
jquery.min.js
884 ms
analytics.js
353 ms
responsiveslides.min.js
360 ms
analytics.js
67 ms
logo-index.jpg
941 ms
rocket-icon_32x32px.png
185 ms
favorite-icon_32x32px.png
186 ms
zoom-in-icon_32x32px.png
548 ms
paperclip-icon_32x32px.png
185 ms
globe-icon_32x32px.png
355 ms
jet-icon_32x32px.png
556 ms
top_1.jpg
1813 ms
top_2.jpg
2023 ms
top_3.jpg
881 ms
top_4.jpg
1808 ms
JN_winter.jpg
1435 ms
campaign2.jpg
1582 ms
morse3.jpg
2284 ms
icom-ad.gif
3147 ms
110325qcq-planning.jpg
3018 ms
kokanet.gif
1990 ms
banner_jard.gif
2502 ms
jard-hosho.jpg
2529 ms
cqham-2.gif
2223 ms
100903qcq-planning.gif
2423 ms
footerlogo.png
2471 ms
jard_spurious.gif
2623 ms
denpa_soumu_banner.gif
2659 ms
giteki.jpg
2847 ms
cse.js
130 ms
collect
59 ms
collect
105 ms
jsapi
20 ms
default+ja.css
5 ms
default.css
39 ms
default+ja.I.js
13 ms
default.css
76 ms
async-ads.js
51 ms
google_custom_search_watermark.gif
31 ms
small-logo.png
16 ms
search_box_icon.png
16 ms
clear.gif
18 ms
nav_logo114.png
8 ms
jarl.org 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
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.
jarl.org 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
jarl.org 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
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
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jarl.org 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 Jarl.org 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.
jarl.org
Open Graph description is not detected on the main page of Jarl. 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: