Tools & Wizards About Us
rosx.net screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

rosx.net

Rental Orbit Space 高性能無料レンタルサーバ

Page Load Speed

11.8 sec in total

First Response

650 ms

Resources Loaded

10.9 sec

Page Rendered

248 ms

rosx.net screenshot

About Website

Visit rosx.net now to see the best up-to-date Rosx content for Japan and also check out these interesting facts you probably never knew about rosx.net

無料で高負担CGIが利用出来るレンタルサーバ

Visit rosx.net

Key Findings

We analyzed Rosx.net page load time and found that the first response time was 650 ms and then it took 11.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

rosx.net performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value19.1 s

0/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

rosx.net

650 ms

www.rosx.net

2014 ms

main.css

440 ms

lightbox.css

440 ms

prototype.js

2081 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 63% of them (20 requests) were addressed to the original Rosx.net, 9% (3 requests) were made to Pagead2.googlesyndication.com and 6% (2 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (6.6 sec) belongs to the original domain Rosx.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 221.3 kB (40%)

Content Size

560.2 kB

After Optimization

338.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rosx.net main page is 560.2 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. 15% of websites need less resources to load. Javascripts take 525.9 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 10.8 kB

  • Original 16.9 kB
  • After minification 15.6 kB
  • After compression 6.0 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 10.8 kB or 64% of the original size.

Image Optimization

-4%

Potential reduce by 48 B

  • Original 1.3 kB
  • After minification 1.2 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. Rosx images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 197.3 kB

  • Original 525.9 kB
  • After minification 461.1 kB
  • After compression 328.6 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 197.3 kB or 38% of the original size.

CSS Optimization

-82%

Potential reduce by 13.2 kB

  • Original 16.1 kB
  • After minification 10.0 kB
  • After compression 2.9 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. Rosx.net needs all CSS files to be minified and compressed as it can save up to 13.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (58%)

Requests Now

24

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rosx. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rosx.net

rosx.net

650 ms

www.rosx.net

www.rosx.net

2014 ms

main.css

main.css

440 ms

lightbox.css

lightbox.css

440 ms

prototype.js

prototype.js

2081 ms

scriptaculous.js

scriptaculous.js

467 ms

lightbox.js

lightbox.js

479 ms

shCore.js

shCore.js

890 ms

shBrushPerl.js

shBrushPerl.js

912 ms

shBrushPlain.js

shBrushPlain.js

962 ms

shCore.css

shCore.css

978 ms

shThemeFadeToGrey.css

shThemeFadeToGrey.css

1393 ms

addthis_widget.js

addthis_widget.js

11 ms

show_ads.js

show_ads.js

67 ms

effects.js

effects.js

920 ms

builder.js

builder.js

512 ms

lg-share-en.gif

lg-share-en.gif

20 ms

valid-html401

valid-html401

65 ms

vcss

vcss

126 ms

backgg.jpg

backgg.jpg

6577 ms

gray-back.png

gray-back.png

459 ms

ga.js

ga.js

30 ms

gray-back3.png

gray-back3.png

449 ms

adsbygoogle.js

adsbygoogle.js

108 ms

loading.gif

loading.gif

435 ms

closelabel.gif

closelabel.gif

453 ms

valid-html401

valid-html401

81 ms

vcss

vcss

80 ms

show_ads_impl.js

show_ads_impl.js

329 ms

zrt_lookup.html

zrt_lookup.html

35 ms

ads

ads

106 ms

gif

gif

448 ms

Accessibility Review

rosx.net accessibility score

96

Accessibility Issues

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

rosx.net best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

rosx.net SEO score

67

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

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 Rosx.net 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 Rosx.net 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

rosx.net

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