Report Summary

  • 83

    Performance

    Renders faster than
    88% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

iis3.com

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Page Load Speed

6.5 sec in total

First Response

630 ms

Resources Loaded

4.8 sec

Page Rendered

1.1 sec

iis3.com screenshot

About Website

Welcome to iis3.com homepage info - get ready to check Iis 3 best content right away, or after learning these important things about iis3.com

香港天域国际发展有限公司旗下3A网络品牌是基于云计算互联网服务提供商,13年老品牌。专业提供云服务器、香港空间、特价域名注册、服务器租用、云服务器等,10余万个香港空间网站及20余万个域名用户的共同选择!

Visit iis3.com

Key Findings

We analyzed Iis3.com page load time and found that the first response time was 630 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

iis3.com performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

77/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.253

49/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

iis3.com

630 ms

common.min.css

216 ms

front.min.css

429 ms

jquery-1.12.2.min.js

646 ms

jquery-migrate-1.4.1.min.js

440 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 92% of them (66 requests) were addressed to the original Iis3.com, 1% (1 request) were made to Verify.apayun.com and 1% (1 request) were made to S9.cnzz.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source S9.cnzz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 309.4 kB (19%)

Content Size

1.6 MB

After Optimization

1.3 MB

In fact, the total size of Iis3.com main page is 1.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 46.0 kB

  • Original 54.0 kB
  • After minification 30.8 kB
  • After compression 8.0 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. This page needs HTML code to be minified as it can gain 23.2 kB, which is 43% 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 46.0 kB or 85% of the original size.

Image Optimization

-13%

Potential reduce by 172.2 kB

  • Original 1.3 MB
  • After minification 1.2 MB

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, Iis 3 needs image optimization as it can save up to 172.2 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-41%

Potential reduce by 85.4 kB

  • Original 210.4 kB
  • After minification 210.2 kB
  • After compression 125.0 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 85.4 kB or 41% of the original size.

CSS Optimization

-16%

Potential reduce by 5.9 kB

  • Original 36.7 kB
  • After minification 36.7 kB
  • After compression 30.8 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. Iis3.com needs all CSS files to be minified and compressed as it can save up to 5.9 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (39%)

Requests Now

70

After Optimization

43

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iis 3. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

iis3.com accessibility score

43

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

iis3.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

iis3.com SEO score

67

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

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

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document doesn't use legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iis3.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Iis3.com 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

Open Graph description is not detected on the main page of Iis 3. 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: