Tools & Wizards About Us

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

ptt1.cn

Win11下载_Win11专业版_Win11纯净版_微软Win11系统下载－系统之家

Page Load Speed

19.2 sec in total

First Response

1.4 sec

Resources Loaded

15.3 sec

Page Rendered

2.5 sec

About Website

Welcome to ptt1.cn homepage info - get ready to check Ptt 1 best content for China right away, or after learning these important things about ptt1.cn

系统之家_国内领先的Win11系统下载站。提供最新Msdn微软原版Win11正式版镜像、64位 Win11专业版下载，Win11纯净版下载，可快速的用U盘或直接安装。以及最新的Win11激活、Win10优化教程，更多Windows资讯敬请关注系统之家。

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Key Findings

We analyzed Ptt1.cn page load time and found that the first response time was 1.4 sec and then it took 17.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

ptt1.cn performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value5.3 s

57/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

ptt1.cn

1412 ms

style.css

1300 ms

mofazhuvideo.png

10872 ms

1801121711273676.png

439 ms

coop3.png

1516 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that all of those requests were addressed to Ptt1.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (13.2 sec) belongs to the original domain Ptt1.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 229.5 kB (80%)

Content Size

287.7 kB

After Optimization

58.1 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Ptt1.cn main page is 287.7 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. 15% of websites need less resources to load. Images take 221.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 21.1 kB

  • Original 25.3 kB
  • After minification 16.6 kB
  • After compression 4.2 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. This page needs HTML code to be minified as it can gain 8.7 kB, which is 35% 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 21.1 kB or 83% of the original size.

Image Optimization

-79%

Potential reduce by 174.6 kB

  • Original 221.4 kB
  • After minification 46.8 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, Ptt 1 needs image optimization as it can save up to 174.6 kB or 79% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-83%

Potential reduce by 33.9 kB

  • Original 41.0 kB
  • After minification 35.3 kB
  • After compression 7.1 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. Ptt1.cn needs all CSS files to be minified and compressed as it can save up to 33.9 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

  • Images
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ptt 1. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

ptt1.cn accessibility score

64

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.

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

ptt1.cn best practices score

83

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

Displays images with incorrect aspect ratio

SEO Factors

ptt1.cn SEO score

83

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 uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ptt1.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Ptt1.cn main page’s claimed encoding is gbk. 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 Ptt 1. 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: