Tools & Wizards About Us
events.linuxfoundation.jp screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

events.linuxfoundation.jp

Linux Foundation Events

Page Load Speed

2.5 sec in total

First Response

352 ms

Resources Loaded

1.7 sec

Page Rendered

478 ms

events.linuxfoundation.jp screenshot

About Website

Visit events.linuxfoundation.jp now to see the best up-to-date Events Linux Foundation content for Japan and also check out these interesting facts you probably never knew about events.linuxfoundation.jp

Over 90,000 open source technologists and leaders from around the globe gather at Linux Foundation events annually to share ideas, learn and collaborate.

Visit events.linuxfoundation.jp

Key Findings

We analyzed Events.linuxfoundation.jp page load time and found that the first response time was 352 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

events.linuxfoundation.jp performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value3.2 s

91/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

events.linuxfoundation.jp

352 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

183 ms

css_-TNq6F6EH1K3WcBMUMQP90OkyCq0Lyv1YnyoEj3kxiU.css

171 ms

css_FwbwL4H3JVVDRxdh31ylF0_mO_B_yMbYXGX-x3v1tSY.css

178 ms

css_DKymsCWhITIt259RmY6ylliu197A0HU9mEYv43u6BlI.css

173 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 80% of them (61 requests) were addressed to the original Events.linuxfoundation.jp, 4% (3 requests) were made to Events.linuxfoundation.org and 3% (2 requests) were made to Go.pardot.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Events.linuxfoundation.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 806.6 kB (31%)

Content Size

2.6 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Events.linuxfoundation.jp main page is 2.6 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. 50% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 69.4 kB

  • Original 84.9 kB
  • After minification 76.5 kB
  • After compression 15.5 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 69.4 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 68.1 kB

  • Original 1.6 MB
  • After minification 1.6 MB

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. Events Linux Foundation images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 371.1 kB

  • Original 534.7 kB
  • After minification 492.7 kB
  • After compression 163.6 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 371.1 kB or 69% of the original size.

CSS Optimization

-87%

Potential reduce by 298.0 kB

  • Original 343.1 kB
  • After minification 339.4 kB
  • After compression 45.1 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. Events.linuxfoundation.jp needs all CSS files to be minified and compressed as it can save up to 298.0 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (31%)

Requests Now

74

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Events Linux Foundation. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

events.linuxfoundation.jp

events.linuxfoundation.jp

352 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

183 ms

css_-TNq6F6EH1K3WcBMUMQP90OkyCq0Lyv1YnyoEj3kxiU.css

css_-TNq6F6EH1K3WcBMUMQP90OkyCq0Lyv1YnyoEj3kxiU.css

171 ms

css_FwbwL4H3JVVDRxdh31ylF0_mO_B_yMbYXGX-x3v1tSY.css

css_FwbwL4H3JVVDRxdh31ylF0_mO_B_yMbYXGX-x3v1tSY.css

178 ms

css_DKymsCWhITIt259RmY6ylliu197A0HU9mEYv43u6BlI.css

css_DKymsCWhITIt259RmY6ylliu197A0HU9mEYv43u6BlI.css

173 ms

css_KpHsFsHL5G3x9EUJr5pMqQKsGs4fdCXEGrY6HhOgLHA.css

css_KpHsFsHL5G3x9EUJr5pMqQKsGs4fdCXEGrY6HhOgLHA.css

173 ms

css_vlWeR1jayHYsF4bwVy6XOGHDD-9HxTQkR9NDLu5hHK8.css

css_vlWeR1jayHYsF4bwVy6XOGHDD-9HxTQkR9NDLu5hHK8.css

179 ms

css_xuTsUAh7AzjqRULFDTFmiYFZOMTfLAA6CU1G2RQKdfM.css

css_xuTsUAh7AzjqRULFDTFmiYFZOMTfLAA6CU1G2RQKdfM.css

253 ms

css_Hup2n7so8wgr08rzzZbO50ywLaOvenCcy-9Km_2OCAM.css

css_Hup2n7so8wgr08rzzZbO50ywLaOvenCcy-9Km_2OCAM.css

426 ms

css

css

24 ms

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lfe_spo_btn2.png

256 ms

pkmy1

pkmy1

480 ms

lfcs16_banner.png

lfcs16_banner.png

1403 ms

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255 ms

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255 ms

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256 ms

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321 ms

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332 ms

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334 ms

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335 ms

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404 ms

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478 ms

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478 ms

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479 ms

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486 ms

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496 ms

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497 ms

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497 ms

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500 ms

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573 ms

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581 ms

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580 ms

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580 ms

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581 ms

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654 ms

od_summit_logo.png

od_summit_logo.png

666 ms

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ContainerCon_Logo_EU_480.png

666 ms

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logo_lceu.png

660 ms

logo_elce2016.png

logo_elce2016.png

664 ms

conversion.js

conversion.js

19 ms

js_jpJjaUC0z8JMIyav5oQrYykDRUb64rpaUDpB4Y9aklU.js

js_jpJjaUC0z8JMIyav5oQrYykDRUb64rpaUDpB4Y9aklU.js

837 ms

js_C1Btvdl-CPRH2VWxQuTG2bJDS25t2gYwYXtma1Jbn4A.js

js_C1Btvdl-CPRH2VWxQuTG2bJDS25t2gYwYXtma1Jbn4A.js

677 ms

js_C0ywcxUeyfctYPGQT1LuQQ6CeqntzyColVWJmLRB4To.js

js_C0ywcxUeyfctYPGQT1LuQQ6CeqntzyColVWJmLRB4To.js

597 ms

js_akSVED0KU98wYv1-gxxPFrtH-a1aH3eatF0PxfKXsIg.js

js_akSVED0KU98wYv1-gxxPFrtH-a1aH3eatF0PxfKXsIg.js

594 ms

js_AxAtUW-JVrL4DgP9BlfV-hA56fU-oyjVCYTMbRNKh6I.js

js_AxAtUW-JVrL4DgP9BlfV-hA56fU-oyjVCYTMbRNKh6I.js

593 ms

js_RSHGuHAoKXN2qC1ntz9ANos4G3Al5XlmmGQ5WkKycAk.js

js_RSHGuHAoKXN2qC1ntz9ANos4G3Al5XlmmGQ5WkKycAk.js

703 ms

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js_o9IK_ar4GCr0ZPzrHTYkj3yaiDf6rsUxGInsO5V23uM.js

705 ms

logo_lks.png

logo_lks.png

628 ms

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761 ms

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761 ms

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762 ms

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697 ms

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686 ms

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684 ms

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581 ms

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580 ms

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545 ms

homepage-pardot_new.css

homepage-pardot_new.css

361 ms

jquery.min.js

jquery.min.js

72 ms

piUtils.js

piUtils.js

119 ms

homepage-pardot-ck.js

homepage-pardot-ck.js

393 ms

arrows-777777.gif

arrows-777777.gif

595 ms

thmb-about.jpg

thmb-about.jpg

682 ms

thmb-sponsor.jpg

thmb-sponsor.jpg

687 ms

thmb-event-management.jpg

thmb-event-management.jpg

681 ms

thmb-contact.jpg

thmb-contact.jpg

755 ms

pd.js

pd.js

222 ms

analytics.js

analytics.js

77 ms

lflogo2016.svg

lflogo2016.svg

144 ms

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226 ms

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230 ms

67 ms

collect

collect

16 ms

39 ms

analytics

analytics

140 ms

pd.js

pd.js

13 ms

Accessibility Review

events.linuxfoundation.jp accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

events.linuxfoundation.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

events.linuxfoundation.jp SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

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 Events.linuxfoundation.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 Events.linuxfoundation.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

events.linuxfoundation.jp

Open Graph description is not detected on the main page of Events Linux Foundation. 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: