Tools & Wizards About Us
act9.qiita.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

Page Load Speed

2.7 sec in total

First Response

323 ms

Resources Loaded

2.3 sec

Page Rendered

80 ms

act9.qiita.com screenshot

About Website

Click here to check amazing Act 9 Qiita content for Japan. Otherwise, check out these important facts you probably never knew about act9.qiita.com

Visit act9.qiita.com

Key Findings

We analyzed Act9.qiita.com page load time and found that the first response time was 323 ms and then it took 2.4 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

act9.qiita.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value870 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

act9.qiita.com

323 ms

act9.qiita.com

642 ms

login

180 ms

teams_application-35bd3925381504a927a1eadd458a79f6551a13da3da3eb88d3b70831d0b39b8f.css

57 ms

teams_application-f8ee5dedc12a20f8b73926492bb70b94e79ff16838fa5125fda61a2fa2fed260.js

105 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 14% of them (3 requests) were addressed to the original Act9.qiita.com, 18% (4 requests) were made to Cdn.qiita.com and 9% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (782 ms) relates to the external source Cdn.qiita.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 490.4 kB (71%)

Content Size

688.4 kB

After Optimization

198.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Act9.qiita.com main page is 688.4 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. 70% of websites need less resources to load. CSS take 402.7 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 13.8 kB

  • Original 20.2 kB
  • After minification 20.2 kB
  • After compression 6.5 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 13.8 kB or 68% of the original size.

Image Optimization

-27%

Potential reduce by 592 B

  • Original 2.2 kB
  • After minification 1.6 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, Act 9 Qiita needs image optimization as it can save up to 592 B or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-52%

Potential reduce by 138.1 kB

  • Original 263.3 kB
  • After minification 263.3 kB
  • After compression 125.2 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 138.1 kB or 52% of the original size.

CSS Optimization

-84%

Potential reduce by 337.9 kB

  • Original 402.7 kB
  • After minification 401.4 kB
  • After compression 64.8 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. Act9.qiita.com needs all CSS files to be minified and compressed as it can save up to 337.9 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (50%)

Requests Now

18

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Act 9 Qiita. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

act9.qiita.com

act9.qiita.com

323 ms

act9.qiita.com

act9.qiita.com

642 ms

login

login

180 ms

teams_application-35bd3925381504a927a1eadd458a79f6551a13da3da3eb88d3b70831d0b39b8f.css

teams_application-35bd3925381504a927a1eadd458a79f6551a13da3da3eb88d3b70831d0b39b8f.css

57 ms

teams_application-f8ee5dedc12a20f8b73926492bb70b94e79ff16838fa5125fda61a2fa2fed260.js

teams_application-f8ee5dedc12a20f8b73926492bb70b94e79ff16838fa5125fda61a2fa2fed260.js

105 ms

52738645.js

52738645.js

103 ms

mixpanel-2.2.min.js

mixpanel-2.2.min.js

196 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

166 ms

widgets.js

widgets.js

207 ms

all.js

all.js

116 ms

plusone.js

plusone.js

154 ms

btn.js

btn.js

150 ms

analytics.js

analytics.js

142 ms

ga.js

ga.js

152 ms

siteid-525864743966c179dc0a1f9edf50da23a6056ab0c0d556cef96f3e1cf743a48a.png

siteid-525864743966c179dc0a1f9edf50da23a6056ab0c0d556cef96f3e1cf743a48a.png

782 ms

160 ms

xd_arbiter.php

xd_arbiter.php

81 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

27 ms

collect

collect

38 ms

collect

collect

76 ms

__utm.gif

__utm.gif

48 ms

xd_arbiter.php

xd_arbiter.php

8 ms

Accessibility Review

act9.qiita.com accessibility score

93

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.

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

act9.qiita.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

act9.qiita.com SEO score

89

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Act9.qiita.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Act9.qiita.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

act9.qiita.com

Open Graph description is not detected on the main page of Act 9 Qiita. 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: