8.5 sec in total
1.9 sec
6.1 sec
459 ms
Welcome to erf.co.jp homepage info - get ready to check Erf best content for Japan right away, or after learning these important things about erf.co.jp
論文・医療・マニュアル翻訳なら安心満足の翻訳サービス、イーアールエフ翻訳
Visit erf.co.jpWe analyzed Erf.co.jp page load time and found that the first response time was 1.9 sec and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
erf.co.jp performance score
1945 ms
672 ms
877 ms
427 ms
1125 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 82% of them (32 requests) were addressed to the original Erf.co.jp, 8% (3 requests) were made to J1.ax.xrea.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Erf.co.jp.
Page size can be reduced by 199.6 kB (15%)
1.3 MB
1.1 MB
In fact, the total size of Erf.co.jp 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. 20% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 39.4 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. 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 39.4 kB or 84% of the original size.
Potential reduce by 23.2 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. Erf images are well optimized though.
Potential reduce by 79.0 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 79.0 kB or 57% of the original size.
Potential reduce by 58.0 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. Erf.co.jp needs all CSS files to be minified and compressed as it can save up to 58.0 kB or 85% of the original size.
Number of requests can be reduced by 7 (18%)
38
31
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Erf. 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.
erf.co.jp
1945 ms
responsive.css
672 ms
style.css
877 ms
scrolltopcontrol.js
427 ms
jquery-2.1.3.min.js
1125 ms
heightLine.js
621 ms
jquery.bxslider.min.js
1177 ms
jquery.bxslider.css
841 ms
l.j
442 ms
analytics.js
55 ms
New-ERF-Logo-20151213-e1449985032717.jpg
320 ms
btn_header_mitsumori.png
692 ms
btn_header_soudan.png
713 ms
main_04.jpg
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main_05.jpg
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main_06.jpg
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btn_price.png
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btn_quality.png
1518 ms
btn_derivery.png
1615 ms
img01.jpg
1765 ms
img02.jpg
1927 ms
img03.jpg
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img04.jpg
2270 ms
img05.jpg
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img06.jpg
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img07.jpg
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img08.jpg
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img09.jpg
3271 ms
btn_sitemap.png
3462 ms
ic_foot_twitter.gif
2814 ms
ic_foot_facebook.gif
3027 ms
ic_foot_rss.gif
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widgets.js
6 ms
x.gif
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l141.f
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ts.gif
293 ms
collect
25 ms
bx_loader.gif
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controls.png
2620 ms
erf.co.jp SEO score
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Erf.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 Erf.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.
erf.co.jp
Open Graph description is not detected on the main page of Erf. 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: