Tools & Wizards About Us
ssl.zero.jp screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

ssl.zero.jp

ZERO | プロバイダーサービス

Page Load Speed

21.8 sec in total

First Response

407 ms

Resources Loaded

21.2 sec

Page Rendered

197 ms

ssl.zero.jp screenshot

About Website

Click here to check amazing Ssl ZERO content for Japan. Otherwise, check out these important facts you probably never knew about ssl.zero.jp

プロバイダー「ZERO」は、低価格で安心・安全のインターネット接続サービスを提供する、GMOインターネットのサービスです。

Visit ssl.zero.jp

Key Findings

We analyzed Ssl.zero.jp page load time and found that the first response time was 407 ms and then it took 21.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

ssl.zero.jp performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

ssl.zero.jp

407 ms

zero.jp

804 ms

iepngfix.js

347 ms

style.css

414 ms

this.css

728 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Ssl.zero.jp, 76% (35 requests) were made to Zero.jp and 11% (5 requests) were made to Cache.img.gmo.jp. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Cv01.con-v.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 142.1 kB (52%)

Content Size

272.9 kB

After Optimization

130.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ssl.zero.jp main page is 272.9 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. 20% of websites need less resources to load. Images take 117.8 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 59.4 kB

  • Original 68.1 kB
  • After minification 64.4 kB
  • After compression 8.7 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 59.4 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 3.0 kB

  • Original 117.8 kB
  • After minification 114.8 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. Ssl ZERO images are well optimized though.

JavaScript Optimization

-95%

Potential reduce by 63.3 kB

  • Original 66.4 kB
  • After minification 9.7 kB
  • After compression 3.1 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 63.3 kB or 95% of the original size.

CSS Optimization

-80%

Potential reduce by 16.4 kB

  • Original 20.6 kB
  • After minification 17.5 kB
  • After compression 4.2 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. Ssl.zero.jp needs all CSS files to be minified and compressed as it can save up to 16.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (35%)

Requests Now

40

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ssl ZERO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ssl.zero.jp

ssl.zero.jp

407 ms

zero.jp

zero.jp

804 ms

iepngfix.js

iepngfix.js

347 ms

style.css

style.css

414 ms

this.css

this.css

728 ms

gmologo.png

gmologo.png

159 ms

internet_for_everyone.png

internet_for_everyone.png

160 ms

login_btn01.gif

login_btn01.gif

222 ms

banner_wimax2+.jpg

banner_wimax2+.jpg

338 ms

banner_emobile03.jpg

banner_emobile03.jpg

383 ms

bnr_yuutai.jpg

bnr_yuutai.jpg

616 ms

script.js

script.js

219 ms

script.js

script.js

297 ms

prototype.js

prototype.js

19952 ms

effects.js

effects.js

19953 ms

dragdrop.js

dragdrop.js

19953 ms

convcast.js

convcast.js

19953 ms

footerstyle.css

footerstyle.css

49 ms

footer.css

footer.css

175 ms

logo_byGMO.gif

logo_byGMO.gif

164 ms

header_img01.gif

header_img01.gif

159 ms

header_img02.gif

header_img02.gif

157 ms

global_menu01.gif

global_menu01.gif

175 ms

global_menu02.gif

global_menu02.gif

176 ms

global_menu03.gif

global_menu03.gif

310 ms

global_menu04.gif

global_menu04.gif

314 ms

main_bg01.gif

main_bg01.gif

323 ms

mainImage_bg01.jpg

mainImage_bg01.jpg

832 ms

mainImage_img02.gif

mainImage_img02.gif

346 ms

mainImage_img03.gif

mainImage_img03.gif

344 ms

mainImage_img04.gif

mainImage_img04.gif

463 ms

main_img_bg02.gif

main_img_bg02.gif

470 ms

login_ttl01.gif

login_ttl01.gif

481 ms

login_ttl02.gif

login_ttl02.gif

514 ms

login_ttl03.gif

login_ttl03.gif

517 ms

login_ttl05.gif

login_ttl05.gif

618 ms

loginatt_txt01.gif

loginatt_txt01.gif

625 ms

admission_btn01.gif

admission_btn01.gif

644 ms

loginatt_txt02.gif

loginatt_txt02.gif

685 ms

list_img01.gif

list_img01.gif

690 ms

list_img14.gif

list_img14.gif

772 ms

news_ttl01.gif

news_ttl01.gif

782 ms

news_img01.gif

news_img01.gif

812 ms

oldusrInfo.gif

oldusrInfo.gif

854 ms

news_masternet.gif

news_masternet.gif

879 ms

topbottom_bg.png

topbottom_bg.png

927 ms

Accessibility Review

ssl.zero.jp accessibility score

81

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

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

Best Practices

ssl.zero.jp 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

SEO Factors

ssl.zero.jp SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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 Ssl.zero.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 Ssl.zero.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

ssl.zero.jp

Open Graph description is not detected on the main page of Ssl ZERO. 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: