Page load speed analysis

  • 48/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    3.2 sec

  • Resources loaded

    29.5 sec

  • Page rendered

    2.2 sec

  • Total page load time

    34.9 sec

Click here to check amazing Sleepymouse Tsukuba content for Japan. Otherwise, check out these important facts you probably never knew about

We analyzed page load time and found that the first response time was 3.2 sec and then it took 31.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Page optimization

  • HTML 22.2 kB
    Images 1.1 MB
    Javascripts 255.8 kB
    CSS 244.6 kB

    In fact, the total size of main page is 1.6 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. 25% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

    • Original 22.2 kB
    • After minification 21.9 kB
    • After compression 5.7 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. 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 16.6 kB or 75% of the original size.

    • Original 1.1 MB
    • After optimization 1.0 MB

    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. Sleepymouse Tsukuba images are well optimized though.

    • Original 255.8 kB
    • After minification 230.6 kB
    • After compression 73.7 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 182.1 kB or 71% of the original size.

    • Original 244.6 kB
    • After minification 221.5 kB
    • After compression 29.8 kB

    CSS optimization

    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. needs all CSS files to be minified and compressed as it can save up to 214.8 kB or 88% of the original size.

Network requests diagram

  • style.css
  • _else.css
  • style.css
  • index.css
  • script.js
  • blockskin.css
  • overwrite.css
  • common.css
  • pagelayout.css
  • printlayout.css
  • style.css
  • theme.css
  • _else.css
  • _else.css
  • jquery-1.6.3.min.js
  • jquery.easing.1.3.js
  • head.load.min.js
  • movie.js
  • parts.js
  • fx.js
  • override.js
  • load.js
  • ga.js
  • engine.js
  • bg.gif
  • IIIS-header-jpn.png
  • 1_ic_bdprint2_on.gif
  • 1_ic_bdtext2_s_on.gif
  • 1_ic_bdtext2_m_on.gif
  • 1_ic_bdtext2_l_on.gif
  • iStock_000002501619Medium.jpg
  • Orexin_Neurons.png
  • Orexin_Neurons2.png
  • Orexin_ish.png
  • indent_bubble.gif
  • 2014profile-yanagisawa.png
  • DSC00972.JPG
  • sign-top-iiis.png
  • sign6.png
  • sign1.png
  • sign4.png
  • sign5.png
  • sign8.png
  • sign3.png
  • sign2.png
  • sign9.png
  • sign7.png
  • FB_FindUsOnFacebook-144.png
  • 3rd-symposium.png
  • 2nd-symposium-smouse.jpg
  • IIISsymposium_banner2.jpg
  • 200x100First2012_a.jpg
  • FiBBS2012.jpg
  • flyer-iiis.png
  • hr.gif
  • h4.gif
  • UniversityOfTsukuba_logo.png
  • IIIS-logo-footer.png
  • WPI2083V8393837B838B837D815B83N82CC82DD.png
  • __utm.gif
  • nivo-slider.css
  • custom-nivo-slider.css
  • jquery.nivo.slider.pack.js

Our browser made a total of 64 requests to load all elements on the main page. We found that 97% of them (62 requests) were addressed to the original, 3% (2 requests) were made to The less responsive or slowest element that took the longest time to load (19.6 sec) belongs to the original domain

Additional info on


The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sleepymouse Tsukuba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.









Possible request optimization











Normal result

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 300
NS 10800
NS 10800
NS 10800

10800 Mname:
Serial: 2020081801
Refresh: 3600
Retry: 900
Expire: 1209600
Minimum-ttl: 86400

Language and encoding

Normal result


EN en language flag


JA ja 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 English is used on the page, and it does not match the claimed Japanese 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 74.6% 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

Good result

Social Sharing Optimization

Open Graph data is detected on the main page of Sleepymouse Tsukuba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

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