rkfs.co.jp website information.
rkfs.co.jp domain name is registered by .JP top-level domain registry. See the other sites registred in .JP domain zone.
Following name servers are specified for rkfs.co.jp domain:
- asns1.customer.ne.jp
- asns2.customer.ne.jp
and probably website rkfs.co.jp is hosted by AMAZON-02 - Amazon.com, Inc., US web hosting company. Check the complete list of other most popular websites hosted by AMAZON-02 - Amazon.com, Inc., US hosting company.
According to Alexa traffic rank the highest website rkfs.co.jp position was 68016 (in the world). The lowest Alexa rank position was 999169. Now website rkfs.co.jp ranked in Alexa database as number 733340 (in the world).
Website rkfs.co.jp Desktop speed measurement score (73/100) is better than the results of 56.16% of other sites shows that the page desktop performance can be improved.
rkfs.co.jp Mobile usability score (66/100) is better than the results of 14.96% of other sites and shows that the page mobile usability is poor and can be improved.
Mobile speed measurement score of rkfs.co.jp (25/100) is better than the results of 6.8% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
Weekly Rank Report
| Date | Rank | Change |
|---|---|---|
| Nov-19-2024 | 733,340 | 7,542 |
| Nov-18-2024 | 740,882 | 27,363 |
| Nov-17-2024 | 768,245 | -29,536 |
| Nov-16-2024 | 738,709 | 8,220 |
| Nov-15-2024 | 746,929 | 15,117 |
| Nov-14-2024 | 762,046 | 18,261 |
| Nov-13-2024 | 780,307 | 0 |
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rkfs.co.jp Rank History
Alexa can identify the popularity of a website as well as its competitors. It is important for website owners and bloggers to know their Alexa ranking because it shows how many visitors have viewed their web page. It gives them a clear idea of how popular their website is on the internet and the ranking of their competitors.
rkfs.co.jp whois
WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.
rkfs.co.jp server information
rkfs.co.jp desktop page speed rank
Last tested: 2016-05-27
Desktop Speed
Medium
73/100
rkfs.co.jp Desktop Speed Test Quick Summary
priority - 20 Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
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http://rkfs.co.jp/img/home/logo_sizzler.png (expiration not specified)
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http://rkfs.co.jp/js/jquery.maximage.js (expiration not specified)
http://www.google.com/jsapi (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
priority - 8 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking CSS resources. This causes a delay in rendering your page.
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Optimize CSS Delivery of the following:
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http://rkfs.co.jp/css/reset.css
http://rkfs.co.jp/css/base_layout.css
http://rkfs.co.jp/css/pages_layout.css
http://rkfs.co.jp/css/reset.css
http://rkfs.co.jp/css/base_layout.css
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priority - 4 Enable compression
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priority - 2 Optimize images
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priority - 1 Minify CSS
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priority - 1 Minify JavaScript
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rkfs.co.jp Desktop Resources
| Total Resources | 43 |
| Number of Hosts | 4 |
| Static Resources | 41 |
| JavaScript Resources | 4 |
| CSS Resources | 4 |
rkfs.co.jp Desktop Resource Breakdown
rkfs.co.jp mobile page speed rank
Last tested: 2017-12-03
Mobile Speed
Bad
25/100
rkfs.co.jp Mobile Speed Test Quick Summary
priority - 248 Optimize images
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Compressing http://rkfs.co.jp/img/home/bg_sizzler.jpg could save 99KiB (33% reduction).
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Compressing http://rkfs.co.jp/img/home/bg_shakeys_01.jpg could save 66.3KiB (24% reduction).
Compressing http://rkfs.co.jp/img/home/bg_pinkberry.jpg could save 62.5KiB (54% reduction).
Compressing http://rkfs.co.jp/img/home/bg_rose_bakery_ginza_01.jpg could save 56.4KiB (27% reduction).
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Compressing http://rkfs.co.jp/img/common/bg_body.png could save 937B (91% reduction).
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priority - 28 Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://rkfs.co.jp/css/base_layout.css (expiration not specified)
http://rkfs.co.jp/css/import.css (expiration not specified)
http://rkfs.co.jp/css/pages_layout.css (expiration not specified)
http://rkfs.co.jp/css/reset.css (expiration not specified)
http://rkfs.co.jp/img/common/bg_body.png (expiration not specified)
http://rkfs.co.jp/img/home/bg_hananoki.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_pinkberry.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_rose_bakery_ginza_01.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_rose_bakery_ginza_02.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_rose_bakery_kichijyoji.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_royal_garden_cafe_aoyama.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_royal_garden_cafe_shibuya_01.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_royal_garden_cafe_shibuya_02.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_royal_garden_cafe_tamaplaza.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_shakeys_01.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_shakeys_02.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_shakeys_03.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_sizzler.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_stand_t.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_standerd_coffee.jpg (expiration not specified)
http://rkfs.co.jp/img/home/grobal_nav_brand.png (expiration not specified)
http://rkfs.co.jp/img/home/grobal_nav_company.png (expiration not specified)
http://rkfs.co.jp/img/home/grobal_nav_recruit.png (expiration not specified)
http://rkfs.co.jp/img/home/grobal_nav_shop.png (expiration not specified)
http://rkfs.co.jp/img/home/icon_external_link.png (expiration not specified)
http://rkfs.co.jp/img/home/img_badge.png (expiration not specified)
http://rkfs.co.jp/img/home/loader.gif (expiration not specified)
http://rkfs.co.jp/img/home/logo.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_hananoki.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_pinkberry.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_rose_bakery.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_royal_garden_cafe.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_shakeys.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_sizzler.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_stand.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_standard_coffee.png (expiration not specified)
http://rkfs.co.jp/js/jquery.maximage.js (expiration not specified)
http://www.google-analytics.com/analytics.js (2 hours)
http://rkfs.co.jp/css/import.css (expiration not specified)
http://rkfs.co.jp/css/pages_layout.css (expiration not specified)
http://rkfs.co.jp/css/reset.css (expiration not specified)
http://rkfs.co.jp/img/common/bg_body.png (expiration not specified)
http://rkfs.co.jp/img/home/bg_hananoki.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_pinkberry.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_rose_bakery_ginza_01.jpg (expiration not specified)
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http://rkfs.co.jp/img/home/bg_royal_garden_cafe_tamaplaza.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_shakeys_01.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_shakeys_02.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_shakeys_03.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_sizzler.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_stand_t.jpg (expiration not specified)
http://rkfs.co.jp/img/home/bg_standerd_coffee.jpg (expiration not specified)
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http://rkfs.co.jp/img/home/img_badge.png (expiration not specified)
http://rkfs.co.jp/img/home/loader.gif (expiration not specified)
http://rkfs.co.jp/img/home/logo.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_hananoki.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_pinkberry.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_rose_bakery.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_royal_garden_cafe.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_shakeys.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_sizzler.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_stand.png (expiration not specified)
http://rkfs.co.jp/img/home/logo_standard_coffee.png (expiration not specified)
http://rkfs.co.jp/js/jquery.maximage.js (expiration not specified)
http://www.google-analytics.com/analytics.js (2 hours)
priority - 8 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Optimize CSS Delivery of the following:
http://rkfs.co.jp/css/import.css
priority - 4 Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 40KiB (75% reduction).
Compressing http://rkfs.co.jp/css/pages_layout.css could save 13.6KiB (80% reduction).
Compressing http://rkfs.co.jp/css/base_layout.css could save 9.9KiB (76% reduction).
Compressing http://rkfs.co.jp/js/jquery.maximage.js could save 9.8KiB (73% reduction).
Compressing http://rkfs.co.jp/ could save 6.2KiB (72% reduction).
Compressing http://rkfs.co.jp/css/reset.css could save 565B (45% reduction).
Compressing http://rkfs.co.jp/css/base_layout.css could save 9.9KiB (76% reduction).
Compressing http://rkfs.co.jp/js/jquery.maximage.js could save 9.8KiB (73% reduction).
Compressing http://rkfs.co.jp/ could save 6.2KiB (72% reduction).
Compressing http://rkfs.co.jp/css/reset.css could save 565B (45% reduction).
priority - 1 Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 8KiB (27% reduction).
Minifying http://rkfs.co.jp/css/base_layout.css could save 4.1KiB (32% reduction).
Minifying http://rkfs.co.jp/css/pages_layout.css could save 3.9KiB (24% reduction).
Minifying http://rkfs.co.jp/css/pages_layout.css could save 3.9KiB (24% reduction).
priority - 0 Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 4.7KiB (36% reduction).
Minifying http://rkfs.co.jp/js/jquery.maximage.js could save 4.7KiB (36% reduction).
rkfs.co.jp Mobile Resources
| Total Resources | 41 |
| Number of Hosts | 3 |
| Static Resources | 39 |
| JavaScript Resources | 3 |
| CSS Resources | 4 |
rkfs.co.jp Mobile Resource Breakdown
rkfs.co.jp mobile page usability
Last tested: 2017-12-03
Mobile Usability
Medium
66/100
rkfs.co.jp Mobile Usability Test Quick Summary
priority - 40 Use legible font sizes
The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.
The following text fragments have a small font size. Increase the font size to make them more legible.
Privacy Policy renders only 5 pixels tall (13 CSS pixels).© R&K FOOD SER…ight reserved. renders only 5 pixels tall (13 CSS pixels).花の木 renders only 5 pixels tall (13 CSS pixels).detail > renders only 5 pixels tall (13 CSS pixels).priority - 10 Configure the viewport
Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.
Configure a viewport for this page.
priority - 3 Size content to viewport
The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.
The page content is 1,140 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:
The element
The element
The element
<p>Privacy Policy</p> falls outside the viewport.The element
<p id="copy">© R&K FOOD SER…ight reserved.</p> falls outside the viewport.The element
<img src="img/home/bg_hananoki.jpg" class="bgimage slides slide-0"> falls outside the viewport.rkfs.co.jp similar domains
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rkfs.co.jp Ping
Ping is a networking utility tool to test if a particular host is reachable. It is a diagnostic that checks reachability of a host on an Internet Protocol (IP) network. In a computer network, a ping test is a way of sending messages from one host to another. Aside from checking if the host is connected to a network, ping also gives indicators of the reliability and general speed of the connection.
rkfs.co.jp TRACEROUTE
Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination. Traceroute also records the time taken for each hop the packet makes during its route to the destination. Traceroute uses ICMP (Internet Control Message Protocol) echo packets with variable time to live values. The response time of each hop is calculated. To guarantee accuracy, each hop is queried multiple times (usually three times) to better measure the response of that particular hop.