Analyze レッツアイ

Web&クリエイティブ業界に特化した転職、派遣、求人情報サイト。クリエイター様専門の人材紹介/人材派遣エージェントの当社でしかない求人情報を多数ご用意しております。 株式会社レッツアイでは大阪、京都、神戸、東京を中心にキャリアカウンセリングとコーチングにより、Web・クリエイティブ分野で活躍されるクリエイターの皆様の転職相談と転職活動を全面的にバックアップいたします。

Page load speed analysis

  • 51/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    553 ms

  • Resources loaded

    5.4 sec

  • Page rendered

    368 ms

  • Total page load time

    6.3 sec

Visit now to see the best up-to-date Letsi 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 553 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Page optimization

  • HTML 42.4 kB
    Images 569.2 kB
    Javascripts 141.0 kB
    CSS 13.1 kB

    In fact, the total size of main page is 765.7 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. 40% of websites need less resources to load. Images take 569.2 kB which makes up the majority of the site volume.

    • Original 42.4 kB
    • After minification 34.7 kB
    • After compression 8.6 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 7.6 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 33.8 kB or 80% of the original size.

    • Original 569.2 kB
    • After optimization 552.5 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. Letsi images are well optimized though.

    • Original 141.0 kB
    • After minification 132.3 kB
    • After compression 47.2 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 93.8 kB or 67% of the original size.

    • Original 13.1 kB
    • After minification 9.8 kB
    • After compression 3.1 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 10.0 kB or 76% of the original size.

Network requests diagram

  • index.css
  • index_add.css
  • jquery.js
  • page-scroller.js
  • common.js
  • jquery.cookie.js
  • move_smartphone.js
  • accordion.css
  • jquery.easyAccordion.js
  • accordion.js
  • common.css
  • widget.js
  • getseal
  • s_retargeting.js
  • conversion.js
  • cpitrustlogo.gif
  • header_bg.gif
  • h_logo.gif
  • h_navi01.gif
  • h_navi02.gif
  • h_navi03.gif
  • h_navi04.gif
  • g_navi01.gif
  • g_navi02.gif
  • g_navi03.gif
  • g_navi04.gif
  • g_navi05.gif
  • g_navi06.gif
  • slide_l_c.jpg
  • slide_l_main.jpg
  • slide_c.jpg
  • slide_c_main.jpg
  • slide_r.jpg
  • slide_r_main.jpg
  • search_title.gif
  • search_title_btn.gif
  • dot_gray.gif
  • jobcat_title.gif
  • i_arrow_red.gif
  • dot_pink.gif
  • condi_title.gif
  • condi_01.gif
  • condi_02.gif
  • condi_03.gif
  • condi_btn.gif
  • freemail_btn.gif
  • topi_bg.gif
  • topi_title.gif
  • tit_blog01.png
  • img_03-thumb-134xauto-182.jpg
  • img_02-thumb-134xauto-181.jpg
  • img_01-thumb-134xauto-180.jpg
  • ga.js
  • __utm.gif
  • 00-640x400-thumb-134xauto-179.jpg
  • 31391_normal_1442129642_OHT68_bieinohataketomidori-thumb-134xauto-178.jpg
  • point_title.gif
  • point_btn.gif
  • point_img01.gif
  • point_img02.gif
  • point_img03.gif
  • point_img04.gif
  • flow_title.gif
  • flow_btn.gif
  • flow_img.gif
  • pickup_title.gif
  • pickup_btn01.gif
  • i_circle_red.gif
  • pickup_btn02.gif
  • pickup_btn03.gif
  • service_title.gif
  • service_btn01.gif
  • service_btn02.gif
  • s_jobtitle.gif
  • s_ceoblog.gif
  • s_staffblog.gif
  • s_letsitemp.gif
  • s_bank.gif
  • s_facebook.gif
  • s_tv.gif
  • s_mixi.gif
  • float_blog01.png
  • pagetop.gif
  • f_btn02.gif
  • f_btn01.gif
  • f_arrow.gif
  • f_logo.gif
  • g_navi01_c.gif
  • h_navi01_o.gif
  • h_navi02_o.gif
  • h_navi03_o.gif
  • h_navi04_o.gif
  • g_navi02_o.gif
  • g_navi03_o.gif
  • g_navi04_o.gif
  • g_navi05_o.gif
  • g_navi06_o.gif
  • search_title_btn_o.gif
  • condi_btn_o.gif
  • freemail_btn_o.gif
  • point_btn_o.gif
  • flow_btn_o.gif
  • pickup_btn01_o.gif
  • pickup_btn02_o.gif
  • pickup_btn03_o.gif
  • service_btn01_o.gif
  • service_btn02_o.gif
  • s_ceoblog_o.gif
  • s_staffblog_o.gif
  • s_letsitemp_o.gif
  • s_bank_o.gif
  • s_facebook_o.gif
  • s_tv_o.gif
  • s_mixi_o.gif
  • pagetop_o.gif
  • f_btn02_o.gif
  • f_btn01_o.gif

Our browser made a total of 121 requests to load all elements on the main page. We found that 93% of them (112 requests) were addressed to the original, 2% (2 requests) were made to and 1% (1 request) were made to The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain

Additional info on


The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Letsi. 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 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 was forwarded to before it reached this domain.

IP address

This IP address is dedicated to This is the best domain hosting practice .

Normal result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 60
NS 60
NS 60

60 Mname:
Serial: 2015031901
Refresh: 3600
Retry: 900
Expire: 3600000
Minimum-ttl: 3600

60 Cpu: 20

Language and encoding

Good result


JA ja 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 Japanese is used on the page, and it matches the claimed 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 100% 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 Letsi. 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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