20.8 sec in total
3.1 sec
17.5 sec
164 ms
Click here to check amazing Rika content for Japan. Otherwise, check out these important facts you probably never knew about rika.com
教員のための理科総合サイトです。株式会社ナリカが販売する小・中・高等学校の理科の実験機器や実験についてご紹介します。
Visit rika.comWe analyzed Rika.com page load time and found that the first response time was 3.1 sec and then it took 17.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
rika.com performance score
3147 ms
2220 ms
1857 ms
963 ms
2945 ms
Our browser made a total of 72 requests to load all elements on the main page. We found that 75% of them (54 requests) were addressed to the original Rika.com, 22% (16 requests) were made to Api.rika.com and 3% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (8.1 sec) belongs to the original domain Rika.com.
Page size can be reduced by 298.5 kB (41%)
723.7 kB
425.2 kB
In fact, the total size of Rika.com main page is 723.7 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. 15% of websites need less resources to load. Images take 331.6 kB which makes up the majority of the site volume.
Potential reduce by 18.4 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 4.2 kB, which is 18% 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 18.4 kB or 79% of the original size.
Potential reduce by 4.9 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. Rika images are well optimized though.
Potential reduce by 228.9 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 228.9 kB or 73% of the original size.
Potential reduce by 46.3 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. Rika.com needs all CSS files to be minified and compressed as it can save up to 46.3 kB or 87% of the original size.
Number of requests can be reduced by 14 (20%)
70
56
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rika. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.
rika.com
3147 ms
www.rika.com
2220 ms
style.css
1857 ms
dialog.js
963 ms
prototype.js
2945 ms
func.js
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__prod_name_out.php
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flexslider.css
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public.css
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jquery.js
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jquery-migrate.min.js
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jquery.flexslider-min.js
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__image_out.php
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header_logo.gif
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header_tel.gif
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gnavi_home_btn.gif
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submenu1.gif
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banner_activboard.gif
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scibox_rikacom.gif
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banner_facebook.jpg
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external_link.gif
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rikatan.gif
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koushien.jpg
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koushien_junior.jpg
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top_flipup.gif
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top_soreo.gif
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home_rika_tablet.jpg
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dc.js
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home_minibe-fit.jpg
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home_radiation.jpg
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title_news.gif
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title_recommend.gif
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more_btn.gif
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to_top_icon.gif
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bg_direction_nav.png
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rika.com SEO score
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rika.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rika.com 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.
rika.com
Open Graph description is not detected on the main page of Rika. 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: