Tools & Wizards About Us
15th.kayac.com screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

15th.kayac.com

面白法人カヤック 15th Anniversary

Page Load Speed

3 sec in total

First Response

380 ms

Resources Loaded

2.4 sec

Page Rendered

162 ms

15th.kayac.com screenshot

About Website

Visit 15th.kayac.com now to see the best up-to-date 15 Th Kayac content for Japan and also check out these interesting facts you probably never knew about 15th.kayac.com

面白法人カヤックは15周年を迎えました！ありがとうございます！トップのイラストはなんと漫画家の池上遼一先生・画

Visit 15th.kayac.com

Key Findings

We analyzed 15th.kayac.com page load time and found that the first response time was 380 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

15th.kayac.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

15th.kayac.com

380 ms

analytics.js

8 ms

index.css

198 ms

plusone.js

81 ms

jquery-1.10.1.min.js

935 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 32% of them (12 requests) were addressed to the original 15th.kayac.com, 19% (7 requests) were made to Apis.google.com and 8% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain 15th.kayac.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 135.0 kB (27%)

Content Size

506.0 kB

After Optimization

371.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of 15th.kayac.com main page is 506.0 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 333.0 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 12.1 kB

  • Original 17.2 kB
  • After minification 16.8 kB
  • After compression 5.1 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 12.1 kB or 70% of the original size.

Image Optimization

-7%

Potential reduce by 24.7 kB

  • Original 333.0 kB
  • After minification 308.3 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. 15 Th Kayac images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 98.2 kB

  • Original 155.8 kB
  • After minification 154.5 kB
  • After compression 57.6 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 98.2 kB or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (40%)

Requests Now

35

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 15 Th Kayac. 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 as a result speed up the page load time.

Network Requests Diagram

15th.kayac.com

15th.kayac.com

380 ms

analytics.js

analytics.js

8 ms

index.css

index.css

198 ms

plusone.js

plusone.js

81 ms

jquery-1.10.1.min.js

jquery-1.10.1.min.js

935 ms

jquery.pageswitch.js

jquery.pageswitch.js

401 ms

collect

collect

19 ms

menu_01.png

menu_01.png

356 ms

menu_02.png

menu_02.png

361 ms

menu_03.png

menu_03.png

453 ms

menu_04.png

menu_04.png

368 ms

menu_05.png

menu_05.png

557 ms

menu_06.png

menu_06.png

659 ms

copyright_j.png

copyright_j.png

802 ms

all.js

all.js

269 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

6 ms

widgets.js

widgets.js

83 ms

top.jpg

top.jpg

1839 ms

37 ms

xd_arbiter.php

xd_arbiter.php

220 ms

xd_arbiter.php

xd_arbiter.php

423 ms

button.831500944bc3eb7ea5276ccdc3f71d2e.js

button.831500944bc3eb7ea5276ccdc3f71d2e.js

136 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

9 ms

fastbutton

fastbutton

79 ms

postmessageRelay

postmessageRelay

42 ms

xd_arbiter.php

xd_arbiter.php

143 ms

like.php

like.php

70 ms

api.js

api.js

48 ms

core:rpc:shindig.random:shindig.sha1.js

core:rpc:shindig.random:shindig.sha1.js

58 ms

2536007149-postmessagerelay.js

2536007149-postmessagerelay.js

49 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

35 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

34 ms

grlryt2bdKIyfMSOhzd1eA.woff

grlryt2bdKIyfMSOhzd1eA.woff

39 ms

mqsJeb0yI-T.js

mqsJeb0yI-T.js

508 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

571 ms

tweet_button.6a78875565a912489e9aef879c881358.ja.html

tweet_button.6a78875565a912489e9aef879c881358.ja.html

46 ms

jot

jot

93 ms

Accessibility Review

15th.kayac.com accessibility score

85

Accessibility Issues

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

15th.kayac.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

15th.kayac.com SEO score

92

Search Engine Optimization Advices

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 15th.kayac.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that 15th.kayac.com 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

15th.kayac.com

Open Graph data is detected on the main page of 15 Th Kayac. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: