Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

startos.com

开源操作系统,linux系统--起点操作系统(StartOS)官方网站

Page Load Speed

43.8 sec in total

First Response

2.9 sec

Resources Loaded

40.5 sec

Page Rendered

470 ms

startos.com screenshot

About Website

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

StartOS从Linux底层构建,拥有完全自主的核心配置和自己的特色,全新的包管理,全新的操作界面,是一个更加符合中国人操作习惯的桌面Linux操作系统。

Visit startos.com

Key Findings

We analyzed Startos.com page load time and found that the first response time was 2.9 sec and then it took 41 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

startos.com performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

startos.com

2863 ms

www.startos.com

13403 ms

base.css

1100 ms

index.css

2534 ms

jquery-1.7.2.min.js

11735 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 53% of them (45 requests) were addressed to the original Startos.com, 12% (10 requests) were made to 16999.com and 11% (9 requests) were made to Cpro.baidustatic.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Startos.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 388.6 kB (29%)

Content Size

1.3 MB

After Optimization

939.7 kB

In fact, the total size of Startos.com main page is 1.3 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. 30% of websites need less resources to load. Images take 846.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 59.1 kB

  • Original 72.7 kB
  • After minification 52.0 kB
  • After compression 13.5 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. This page needs HTML code to be minified as it can gain 20.7 kB, which is 28% 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 59.1 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 59.1 kB

  • Original 846.3 kB
  • After minification 787.1 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. StartOS images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 256.2 kB

  • Original 391.6 kB
  • After minification 382.3 kB
  • After compression 135.4 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 256.2 kB or 65% of the original size.

CSS Optimization

-79%

Potential reduce by 14.1 kB

  • Original 17.8 kB
  • After minification 13.2 kB
  • After compression 3.6 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. Startos.com needs all CSS files to be minified and compressed as it can save up to 14.1 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (19%)

Requests Now

77

After Optimization

62

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of StartOS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

startos.com accessibility score

86

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

Best Practices

startos.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

startos.com SEO score

75

Search Engine Optimization Advices

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 Startos.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 Startos.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 StartOS. 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: