Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

sunnyos.com

猿类sunny博客|讲述一个程序员的代码史记

Page Load Speed

6.1 sec in total

First Response

747 ms

Resources Loaded

5.1 sec

Page Rendered

220 ms

About Website

Click here to check amazing Sunnyos content for China. Otherwise, check out these important facts you probably never knew about sunnyos.com

一个技术交流博客,程序员技术文章,记录一个程序员的一趟不归路旅途。【祖传php!!】学过c++,搞过html,悟过java,瞧过ruby数载岁月,如今js略懂,php还不精通,shell未肯过门总之是,不懂ps,搞不清nginx/apache,centos/ubuntu更是不知谁是谁。本站只做原创博客,杜绝复制粘贴,杜绝百度一模一样的垃圾文章。只为程序员分享亲身经验和有用的解决方案。

Visit sunnyos.com

Key Findings

We analyzed Sunnyos.com page load time and found that the first response time was 747 ms and then it took 5.3 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

sunnyos.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.2 s

40/100

10%

Network Requests Diagram

sunnyos.com

747 ms

www.sunnyos.com

1726 ms

style.css

259 ms

jquery-1.7.1.js

660 ms

jquery_cmhello.js

457 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 79% of them (23 requests) were addressed to the original Sunnyos.com, 7% (2 requests) were made to Pagead2.googlesyndication.com and 7% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Sunnyos.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 633.9 kB (35%)

Content Size

1.8 MB

After Optimization

1.2 MB

In fact, the total size of Sunnyos.com main page is 1.8 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. 25% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 27.4 kB

  • Original 36.6 kB
  • After minification 33.4 kB
  • After compression 9.2 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 27.4 kB or 75% of the original size.

Image Optimization

-24%

Potential reduce by 268.9 kB

  • Original 1.1 MB
  • After minification 871.5 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. Obviously, Sunnyos needs image optimization as it can save up to 268.9 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-53%

Potential reduce by 334.8 kB

  • Original 630.4 kB
  • After minification 630.4 kB
  • After compression 295.5 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 334.8 kB or 53% of the original size.

CSS Optimization

-17%

Potential reduce by 2.7 kB

  • Original 15.5 kB
  • After minification 15.5 kB
  • After compression 12.8 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. Sunnyos.com needs all CSS files to be minified and compressed as it can save up to 2.7 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (22%)

Requests Now

27

After Optimization

21

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sunnyos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sunnyos.com accessibility score

56

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

sunnyos.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sunnyos.com SEO score

58

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

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 Sunnyos.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 Sunnyos.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 Sunnyos. 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: