Tools & Wizards About Us
cn.ultraiso.net screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    87% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

cn.ultraiso.net

UltraISO软碟通中文官方网站 - 光盘映像文件制作/编辑/转换工具

Page Load Speed

15 sec in total

First Response

956 ms

Resources Loaded

13.9 sec

Page Rendered

163 ms

cn.ultraiso.net screenshot

About Website

Welcome to cn.ultraiso.net homepage info - get ready to check Cn UltraIS O best content for China right away, or after learning these important things about cn.ultraiso.net

UltraISO软碟通是光盘映像文件制作/编辑/转换工具，可以编辑ISO文件,从ISO中提取文件和目录，从CD-ROM制作光盘映像或者将硬盘上的文件制作成ISO文件，制作可引导光盘。

Visit cn.ultraiso.net

Key Findings

We analyzed Cn.ultraiso.net page load time and found that the first response time was 956 ms and then it took 14.1 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

cn.ultraiso.net performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

cn.ultraiso.net

956 ms

public.css

473 ms

only_home_style.css

456 ms

jquery.js

678 ms

main.js

700 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 77% of them (24 requests) were addressed to the original Cn.ultraiso.net, 3% (1 request) were made to S19.cnzz.com and 3% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (8.3 sec) relates to the external source Icon.51.la.

Page Optimization Overview & Recommendations

Page size can be reduced by 79.9 kB (22%)

Content Size

355.6 kB

After Optimization

275.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cn.ultraiso.net main page is 355.6 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. 20% of websites need less resources to load. Images take 273.4 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 4.3 kB

  • Original 6.9 kB
  • After minification 6.7 kB
  • After compression 2.5 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 4.3 kB or 63% of the original size.

Image Optimization

-9%

Potential reduce by 25.8 kB

  • Original 273.4 kB
  • After minification 247.6 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. Cn UltraIS O images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 37.4 kB

  • Original 59.2 kB
  • After minification 52.4 kB
  • After compression 21.8 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 37.4 kB or 63% of the original size.

CSS Optimization

-77%

Potential reduce by 12.4 kB

  • Original 16.2 kB
  • After minification 15.0 kB
  • After compression 3.8 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. Cn.ultraiso.net needs all CSS files to be minified and compressed as it can save up to 12.4 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (55%)

Requests Now

29

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn UltraIS O. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cn.ultraiso.net

cn.ultraiso.net

956 ms

public.css

public.css

473 ms

only_home_style.css

only_home_style.css

456 ms

jquery.js

jquery.js

678 ms

main.js

main.js

700 ms

demo.js

demo.js

466 ms

stat.php

stat.php

1906 ms

15951248.js

15951248.js

1076 ms

ultraiso_logo.gif

ultraiso_logo.gif

236 ms

menu_bg.jpg

menu_bg.jpg

449 ms

menu_active.jpg

menu_active.jpg

228 ms

search_bg.gif

search_bg.gif

240 ms

search.gif

search.gif

230 ms

banner.jpg

banner.jpg

927 ms

liaojiemore.gif

liaojiemore.gif

453 ms

indexli_bg.jpg

indexli_bg.jpg

454 ms

img1_b.gif

img1_b.gif

464 ms

img2_b.gif

img2_b.gif

476 ms

img3_b.gif

img3_b.gif

894 ms

img4_b.gif

img4_b.gif

677 ms

img5_b.gif

img5_b.gif

684 ms

PD9LB.jpg

PD9LB.jpg

1167 ms

ER11LB.jpg

ER11LB.jpg

946 ms

navicat.jpg

navicat.jpg

902 ms

pinglun.gif

pinglun.gif

908 ms

rongyu1.jpg

rongyu1.jpg

1803 ms

stat.htm

stat.htm

163 ms

core.php

core.php

1338 ms

9.gif

9.gif

1714 ms

icon_9.gif

icon_9.gif

8278 ms

app.gif

app.gif

7999 ms

Accessibility Review

cn.ultraiso.net accessibility score

48

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

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

Best Practices

cn.ultraiso.net 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

cn.ultraiso.net SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cn.ultraiso.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Cn.ultraiso.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

cn.ultraiso.net

Open Graph description is not detected on the main page of Cn UltraIS O. 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: