Report Summary

  • 62

    Performance

    Renders faster than
    77% 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

  • 64

    SEO

    Google-friendlier than
    24% of websites

unix-vm.com

UNIXサーバ構築 OnTheVMware

Page Load Speed

3.7 sec in total

First Response

930 ms

Resources Loaded

2.6 sec

Page Rendered

135 ms

unix-vm.com screenshot

About Website

Welcome to unix-vm.com homepage info - get ready to check Unix Vm best content right away, or after learning these important things about unix-vm.com

UNIXサーバ構築方法について解説している技術情報サイトです。OSは、CentOSとSolarisを使用し、WEBサーバ、MAILサーバ、DNSサーバ、DHCPサーバなどの構築方法を紹介しています。ここで紹介する技術情報は、VMware上で検証した結果を載せたものです。

Visit unix-vm.com

Key Findings

We analyzed Unix-vm.com page load time and found that the first response time was 930 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

unix-vm.com performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value4.4 s

75/100

10%

TBT (Total Blocking Time)

Value1,710 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

unix-vm.com

930 ms

server.css

332 ms

show_ads.js

4 ms

bg.gif

167 ms

button_off.gif

204 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 15% of them (4 requests) were addressed to the original Unix-vm.com, 27% (7 requests) were made to Pagead2.googlesyndication.com and 19% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Wj.ax.xrea.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 33.9 kB (49%)

Content Size

69.6 kB

After Optimization

35.7 kB

In fact, the total size of Unix-vm.com main page is 69.6 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. 30% of websites need less resources to load. Javascripts take 37.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 16.8 kB

  • Original 21.4 kB
  • After minification 17.9 kB
  • After compression 4.6 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. This page needs HTML code to be minified as it can gain 3.5 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 16.8 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 21 B

  • Original 7.2 kB
  • After minification 7.2 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. Unix Vm images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 13.7 kB

  • Original 37.1 kB
  • After minification 36.8 kB
  • After compression 23.4 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 13.7 kB or 37% of the original size.

CSS Optimization

-88%

Potential reduce by 3.4 kB

  • Original 3.8 kB
  • After minification 2.1 kB
  • After compression 479 B

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. Unix-vm.com needs all CSS files to be minified and compressed as it can save up to 3.4 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (52%)

Requests Now

25

After Optimization

12

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Unix Vm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

unix-vm.com accessibility score

81

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

Best Practices

unix-vm.com 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

High

Browser errors were logged to the console

SEO Factors

unix-vm.com SEO score

64

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

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Unix-vm.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Unix-vm.com main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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