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mozillazine.jp screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

mozillazine.jp

MozillaZine.jp

Page Load Speed

9.5 sec in total

First Response

2.1 sec

Resources Loaded

5 sec

Page Rendered

2.5 sec

mozillazine.jp screenshot

About Website

Visit mozillazine.jp now to see the best up-to-date Mozilla Zine content for Japan and also check out these interesting facts you probably never knew about mozillazine.jp

Visit mozillazine.jp

Key Findings

We analyzed Mozillazine.jp page load time and found that the first response time was 2.1 sec and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

mozillazine.jp performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value4,520 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

mozillazine.jp

2051 ms

style.css

821 ms

bookmark_button.js

920 ms

share.js

341 ms

platform.js

354 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 26% of them (11 requests) were addressed to the original Mozillazine.jp, 23% (10 requests) were made to Plugins.mixi.jp and 14% (6 requests) were made to Cdn.api.b.hatena.ne.jp. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Mozillazine.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 208.5 kB (62%)

Content Size

333.8 kB

After Optimization

125.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mozillazine.jp main page is 333.8 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. 35% of websites need less resources to load. HTML takes 137.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 118.6 kB

  • Original 137.9 kB
  • After minification 135.5 kB
  • After compression 19.4 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 118.6 kB or 86% of the original size.

Image Optimization

-17%

Potential reduce by 14.3 kB

  • Original 82.2 kB
  • After minification 67.9 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, Mozilla Zine needs image optimization as it can save up to 14.3 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 51.5 kB

  • Original 84.7 kB
  • After minification 75.2 kB
  • After compression 33.1 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 51.5 kB or 61% of the original size.

CSS Optimization

-83%

Potential reduce by 24.1 kB

  • Original 29.1 kB
  • After minification 21.4 kB
  • After compression 5.0 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. Mozillazine.jp needs all CSS files to be minified and compressed as it can save up to 24.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (17%)

Requests Now

42

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mozilla Zine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

mozillazine.jp

mozillazine.jp

2051 ms

style.css

style.css

821 ms

bookmark_button.js

bookmark_button.js

920 ms

share.js

share.js

341 ms

platform.js

platform.js

354 ms

wp-embed.min.js

wp-embed.min.js

302 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

949 ms

sdk.js

sdk.js

411 ms

btn_logo_16.png

btn_logo_16.png

725 ms

image

image

919 ms

sky.png

sky.png

379 ms

title.gif

title.gif

380 ms

blimp.png

blimp.png

722 ms

line88x20.png

line88x20.png

723 ms

thunderbird.png

thunderbird.png

917 ms

button-only@2x.png

button-only@2x.png

708 ms

share_button.html

share_button.html

608 ms

logo-fx.png

logo-fx.png

575 ms

share_button.html

share_button.html

459 ms

bt_check_3.png

bt_check_3.png

385 ms

444 ms

277 ms

423 ms

271 ms

share_button.html

share_button.html

233 ms

xd_arbiter.php

xd_arbiter.php

109 ms

xd_arbiter.php

xd_arbiter.php

172 ms

reset.css

reset.css

41 ms

entry-button.css

entry-button.css

40 ms

share_button.html

share_button.html

335 ms

button-counter.gif

button-counter.gif

71 ms

share_button.html

share_button.html

298 ms

logo-tb.png

logo-tb.png

218 ms

share_button.html

share_button.html

410 ms

257 ms

247 ms

230 ms

share_button.html

share_button.html

363 ms

share_button.html

share_button.html

356 ms

share_button.html

share_button.html

304 ms

share_button.html

share_button.html

1274 ms

widgets.js

widgets.js

989 ms

ga.js

ga.js

987 ms

Accessibility Review

mozillazine.jp accessibility score

80

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

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

Form elements do not have associated labels

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

mozillazine.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

mozillazine.jp SEO score

67

Search Engine Optimization Advices

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 Mozillazine.jp 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 Mozillazine.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

mozillazine.jp

Open Graph description is not detected on the main page of Mozilla Zine. 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: