Analyze 一般社団法人 日本アレルギー学会


Page load speed analysis

  • 53/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    571 ms

  • Resources loaded

    4 sec

  • Page rendered

    402 ms

  • Total page load time

    5 sec

Visit now to see the best up-to-date Ai Jsaweb content for Japan and also check out these interesting facts you probably never knew about

We analyzed page load time and found that the first response time was 571 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Page optimization

  • HTML 175.5 kB
    Images 13.7 kB
    Javascripts 991.3 kB
    CSS 0 B

    In fact, the total size of main page is 1.2 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. 60% of websites need less resources to load. Javascripts take 991.3 kB which makes up the majority of the site volume.

    • Original 175.5 kB
    • After minification 147.6 kB
    • After compression 43.3 kB

    HTML optimization

    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 27.9 kB, which is 16% 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 132.2 kB or 75% of the original size.

    • Original 13.7 kB
    • After optimization 11.8 kB

    Image optimization

    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, Ai Jsaweb needs image optimization as it can save up to 1.9 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 991.3 kB
    • After minification 988.2 kB
    • After compression 338.4 kB

    JavaScript optimization

    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 652.9 kB or 66% of the original size.

Network requests diagram

  • getSharedSiteSession
  • getSharedSiteSession
  • consumeSharedSessionAction
  • consumeSharedSessionAction
  • 537390469.js
  • embed.js
  • product.css
  • head_1_53_158_167_22390_22392.css
  • ha.css
  • product.js
  • altmetric_badges-98e4a0c5363439e08b1f025f231428bc.js
  • 0.png
  • getMessage
  • satelliteLib-8e350dc4ceceb17a5d77c03f66d95608807a5585.js
  • bg_main.png
  • bg_adHoriz.gif
  • logo.jpg
  • cover.tif.jpg
  • alit-impact.gif
  • jsaLogo.png
  • elsevier.jpg
  • January2016GA.jpg
  • January2016GA2.jpg
  • January2016GA3.jpg
  • gr2.jpg
  • gr1.jpg
  • gtm.js
  • gpt.js
  • bg_header.png
  • icon_arrow_off.gif
  • bg_fragmentHeader.png
  • bell.png
  • pubads_impl_82.js
  • arrow_right.png
  • elsevierwordmark-regular-OA.woff
  • platformFile
  • addthis_widget.js
  • satellite-5628673864746d59120020a6.js
  • analytics.js
  • ads
  • container.html
  • rd
  • s-code-contents-87ff59abfc9acf73289bd658598e0b01359c7df7.js
  • ui-icons_222222_256x240.png
  • ui-bg_flat_75_ffffff_40x100.png
  • collect
  • id
  • collect
  • ga-audiences
  • s83310963686089
  • small-device.css
  • conversion_async.js
  • 300lo.json
  • 385.a1b89ff397c1dae17be0.js
  • sh.8e5f85691f9aaa082472a194.html

Our browser made a total of 60 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original, 48% (29 requests) were made to and 5% (3 requests) were made to The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source

Additional info on


The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ai Jsaweb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.











Possible request optimization













Normal result


As for redirects, our browser reached this domain in 6 steps. The first redirect led to, then it was forwarded to, and afterwards it was sent to and a few other URLs (see the full list below) before we finally managed to reach this website. We strongly recommend that the redirects should be reduced, as the more redirects a site has, the slower it loads.

IP address uses IP address which is currently shared with 2 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Normal result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 86400

Language and encoding

Normal result


JA ja language flag


EN en language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed English language. Our system also found out that 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.

HTTPS certificate

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 97.8% of all visits is Japan. It’s good for that their server is also located in Japan, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Ai Jsaweb. 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:

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