5.7 sec in total
901 ms
4.6 sec
172 ms
Visit jandf.co.jp now to see the best up-to-date Jandf content and also check out these interesting facts you probably never knew about jandf.co.jp
大阪市中央区。総合広告会社、ジェイ・アンド・エフの企業サイト。不動産広告において数多くの実績とノウハウを持つ私たちが目指すのは、人と人、人と商品を結びつけ、新しい価値を創造することです。
Visit jandf.co.jpWe analyzed Jandf.co.jp page load time and found that the first response time was 901 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
jandf.co.jp performance score
name
value
score
weighting
Value6.0 s
4/100
10%
Value7.5 s
4/100
25%
Value9.1 s
14/100
10%
Value470 ms
61/100
30%
Value0.003
100/100
15%
Value13.0 s
13/100
10%
901 ms
683 ms
350 ms
11 ms
712 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 93% of them (39 requests) were addressed to the original Jandf.co.jp, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Jandf.co.jp.
Page size can be reduced by 99.5 kB (21%)
473.0 kB
373.5 kB
In fact, the total size of Jandf.co.jp main page is 473.0 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. Images take 390.5 kB which makes up the majority of the site volume.
Potential reduce by 9.6 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 2.2 kB, which is 17% 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 9.6 kB or 77% of the original size.
Potential reduce by 49.2 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, Jandf needs image optimization as it can save up to 49.2 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 24.6 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 24.6 kB or 50% of the original size.
Potential reduce by 16.1 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. Jandf.co.jp needs all CSS files to be minified and compressed as it can save up to 16.1 kB or 78% of the original size.
Number of requests can be reduced by 22 (54%)
41
19
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jandf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
jandf.co.jp
901 ms
jf_base.css
683 ms
jf_pc.css
350 ms
jquery.min.js
11 ms
jquery.easing.1.3.js
712 ms
jquery.vgrid.0.1.6.js
547 ms
jquery.multipleWidth.js
364 ms
rollover.js
680 ms
yuga_scroll.js
714 ms
heightLine.js
719 ms
respond.min.js
882 ms
ga.js
77 ms
box_btl.gif
540 ms
box_btr.gif
494 ms
logo.png
504 ms
ar1.png
499 ms
box_bbl.gif
529 ms
box_bbr.gif
662 ms
box_bg.gif
171 ms
box_bb.gif
324 ms
top_slide_ovtl.png
340 ms
top_slide_ovtr.png
330 ms
top_slide_ovbl.png
356 ms
top_slide_ovbr.png
351 ms
top_slide_img2.png
1242 ms
top_profile_btn.png
1415 ms
top_access_btn.png
1243 ms
box_btl.gif
694 ms
box_btr.gif
717 ms
top_information_title_pc.png
1325 ms
box_bbl.gif
1047 ms
box_bbr.gif
1051 ms
top_service_btn.png
2109 ms
top_dot3.png
1773 ms
top_dot2.png
1590 ms
top_recruitment_btn.png
2376 ms
top_system_btn.png
2235 ms
cnt_bg.gif
1755 ms
ar2.png
1922 ms
__utm.gif
12 ms
jf_tablet.css
348 ms
jf_mobile.css
385 ms
jandf.co.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
Links do not have a discernible name
jandf.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
jandf.co.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jandf.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 Jandf.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.
jandf.co.jp
Open Graph description is not detected on the main page of Jandf. 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: