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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

letsencrypt.jp

Let's Encrypt - Free SSL/TLS Certificates

Page Load Speed

4.8 sec in total

First Response

523 ms

Resources Loaded

4 sec

Page Rendered

271 ms

letsencrypt.jp screenshot

About Website

Visit letsencrypt.jp now to see the best up-to-date Let S Encrypt content for Japan and also check out these interesting facts you probably never knew about letsencrypt.jp

Let's Encrypt is a free, automated, and open certificate authority brought to you by the nonprofit Internet Security Research Group (ISRG).

Visit letsencrypt.jp

Key Findings

We analyzed Letsencrypt.jp page load time and found that the first response time was 523 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

letsencrypt.jp performance score

0

Network Requests Diagram

letsencrypt.jp

523 ms

letsencrypt.jp

888 ms

global_0008.css

341 ms

social_0002.css

437 ms

jquery.min.js

48 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 19% of them (11 requests) were addressed to the original Letsencrypt.jp, 14% (8 requests) were made to Apis.google.com and 9% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (888 ms) belongs to the original domain Letsencrypt.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 60.2 kB (28%)

Content Size

211.6 kB

After Optimization

151.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Letsencrypt.jp main page is 211.6 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. 50% of websites need less resources to load. Javascripts take 146.9 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 30.5 kB

  • Original 41.8 kB
  • After minification 39.1 kB
  • After compression 11.2 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 30.5 kB or 73% of the original size.

Image Optimization

-24%

Potential reduce by 2.9 kB

  • Original 12.3 kB
  • After minification 9.4 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. Obviously, Let S Encrypt needs image optimization as it can save up to 2.9 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-13%

Potential reduce by 18.7 kB

  • Original 146.9 kB
  • After minification 145.7 kB
  • After compression 128.2 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 18.7 kB or 13% of the original size.

CSS Optimization

-75%

Potential reduce by 8.0 kB

  • Original 10.7 kB
  • After minification 8.2 kB
  • After compression 2.7 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. Letsencrypt.jp needs all CSS files to be minified and compressed as it can save up to 8.0 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (68%)

Requests Now

53

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Let S Encrypt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

letsencrypt.jp

letsencrypt.jp

523 ms

letsencrypt.jp

letsencrypt.jp

888 ms

global_0008.css

global_0008.css

341 ms

social_0002.css

social_0002.css

437 ms

jquery.min.js

jquery.min.js

48 ms

global_0001.js

global_0001.js

511 ms

social_0001.js

social_0001.js

523 ms

adsbygoogle.js

adsbygoogle.js

34 ms

css

css

55 ms

analytics.js

analytics.js

126 ms

button-only@2x.png

button-only@2x.png

694 ms

icon_up.gif

icon_up.gif

199 ms

icon_new.gif

icon_new.gif

150 ms

linebutton_36x60.png

linebutton_36x60.png

250 ms

menu-button.png

menu-button.png

278 ms

to-page-top.png

to-page-top.png

199 ms

BsJ0rSrq4pBC2xoMlek0Qg.ttf

BsJ0rSrq4pBC2xoMlek0Qg.ttf

54 ms

ca-pub-4771699186246662.js

ca-pub-4771699186246662.js

38 ms

zrt_lookup.html

zrt_lookup.html

86 ms

show_ads_impl.js

show_ads_impl.js

85 ms

collect

collect

76 ms

ads

ads

232 ms

osd.js

osd.js

12 ms

ads

ads

199 ms

m_js_controller.js

m_js_controller.js

24 ms

abg.js

abg.js

38 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

44 ms

nessie_icon_thin_arrow_big_white.png

nessie_icon_thin_arrow_big_white.png

37 ms

s

s

24 ms

x_button_blue2.png

x_button_blue2.png

15 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

3 ms

sdk.js

sdk.js

50 ms

platform.js

platform.js

75 ms

bookmark_button.js

bookmark_button.js

176 ms

btn.js

btn.js

95 ms

ui

ui

94 ms

94 ms

xd_arbiter.php

xd_arbiter.php

99 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

29 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

54 ms

fastbutton

fastbutton

131 ms

button

button

55 ms

button.css

button.css

59 ms

shared.js

shared.js

60 ms

button.js

button.js

58 ms

postmessageRelay

postmessageRelay

78 ms

unsupportedbrowser

unsupportedbrowser

61 ms

868 ms

pocket_button.png

pocket_button.png

4 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

18 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

17 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

12 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

34 ms

rpc:shindig_random.js

rpc:shindig_random.js

38 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

4 ms

reset.css

reset.css

165 ms

entry-button.css

entry-button.css

329 ms

bbtn-l_v3.png

bbtn-l_v3.png

165 ms

SEO Factors

letsencrypt.jp SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Letsencrypt.jp 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 Letsencrypt.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.

Social Sharing Optimization

letsencrypt.jp

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