15 sec in total
582 ms
14 sec
400 ms
Welcome to rentakun.net homepage info - get ready to check Rentakun best content right away, or after learning these important things about rentakun.net
レンタルホームページ『レン太君』は、制作費無料で初めてホームページを持つ中小企業にピッタリのお手軽なホームページです。2300社超の実績と納品後の手厚いサポートであなたの悩みを解決します。
Visit rentakun.netWe analyzed Rentakun.net page load time and found that the first response time was 582 ms and then it took 14.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
rentakun.net performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value13.1 s
0/100
25%
Value8.8 s
16/100
10%
Value70 ms
99/100
30%
Value0.356
31/100
15%
Value8.5 s
37/100
10%
582 ms
842 ms
771 ms
1715 ms
432 ms
Our browser made a total of 80 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Rentakun.net, 90% (72 requests) were made to Marketing.rentakun.net and 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (8.1 sec) relates to the external source Rentakun.info.
Page size can be reduced by 173.7 kB (24%)
721.6 kB
547.9 kB
In fact, the total size of Rentakun.net main page is 721.6 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. 30% of websites need less resources to load. Images take 487.3 kB which makes up the majority of the site volume.
Potential reduce by 13.2 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 13.2 kB or 69% of the original size.
Potential reduce by 109 B
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. Rentakun images are well optimized though.
Potential reduce by 142.1 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 142.1 kB or 74% of the original size.
Potential reduce by 18.3 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. Rentakun.net needs all CSS files to be minified and compressed as it can save up to 18.3 kB or 80% of the original size.
Number of requests can be reduced by 7 (9%)
77
70
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rentakun. 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.
rentakun.net
582 ms
marketing.rentakun.net
842 ms
style.css
771 ms
prototype.js
1715 ms
scriptaculous.js
432 ms
scroll.js
434 ms
plusone.js
234 ms
effects.js
816 ms
builder.js
337 ms
send.cgi
8051 ms
ga.js
102 ms
privacy-mark.jpg
526 ms
head_txt01.gif
366 ms
logo.gif
533 ms
tel.jpg
672 ms
head_txt02.gif
361 ms
head_txt03.gif
387 ms
top01.gif
581 ms
cont01-act.gif
695 ms
cont02-base.gif
737 ms
cont03-base.gif
779 ms
cont04-base.gif
903 ms
cont05-base.gif
902 ms
cont06-base.gif
1043 ms
fu01.gif
1263 ms
fu03.gif
1078 ms
za01.gif
1346 ms
za01-03.gif
1386 ms
za03.gif
1450 ms
zabt01-base.gif
1522 ms
za90.jpg
2202 ms
zabt02-base.gif
1743 ms
fu10.gif
1993 ms
fu11.gif
1865 ms
fu12.gif
1922 ms
fu13.gif
2003 ms
fu14.gif
2303 ms
fu15.gif
2345 ms
fu16.gif
2472 ms
fu_con-base.gif
2473 ms
fu31.jpg
3284 ms
fu32.jpg
3317 ms
next01-base.gif
2784 ms
bt01.jpg
3133 ms
bt02.jpg
3260 ms
bt03.jpg
3111 ms
menu.gif
3155 ms
cb=gapi.loaded_0
47 ms
navi08-base.gif
3374 ms
__utm.gif
13 ms
__utm.gif
42 ms
navi02-base.gif
3131 ms
navi11-base.gif
3116 ms
navi04-base.gif
3254 ms
navi07-base.gif
3133 ms
navi05-base.gif
3111 ms
navi06-base.gif
3164 ms
newsletter-banner.gif
3360 ms
left_tel.jpg
3511 ms
pasocontrouble119_banner.gif
3363 ms
fortop.gif
3087 ms
foot_logo.gif
3345 ms
tomei.gif
3160 ms
cont02-act.gif
319 ms
cont03-act.gif
367 ms
cont04-act.gif
560 ms
cont05-act.gif
374 ms
cont06-act.gif
376 ms
zabt01-act.gif
560 ms
zabt02-act.gif
1772 ms
fu_con-act.gif
1822 ms
next01-act.gif
951 ms
navi08-act.gif
747 ms
navi02-act.gif
932 ms
navi11-act.gif
1069 ms
navi04-act.gif
1303 ms
navi07-act.gif
1318 ms
navi05-act.gif
1441 ms
navi06-act.gif
1624 ms
2011_12_cmp_act.jpg
2305 ms
rentakun.net accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA input fields do not have accessible names
ARIA toggle fields do not have accessible names
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
rentakun.net 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
rentakun.net SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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 doesn't use 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 Rentakun.net 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 Rentakun.net 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.
rentakun.net
Open Graph description is not detected on the main page of Rentakun. 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: