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zz024.cn screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 78

    SEO

    Google-friendlier than
    40% of websites

zz024.cn

逐梦个人博客-一个关注web前端及周边技术的个人博客网站

Page Load Speed

7.8 sec in total

First Response

2.4 sec

Resources Loaded

5.3 sec

Page Rendered

135 ms

zz024.cn screenshot

About Website

Click here to check amazing Zz 024 content. Otherwise, check out these important facts you probably never knew about zz024.cn

逐梦个人博客是一个记录博主工作中总结的经验和一些新知识学习新尝试的个人开发纪实博客，主要关注web前端以及全栈技术的学习和研究。

Visit zz024.cn

Key Findings

We analyzed Zz024.cn page load time and found that the first response time was 2.4 sec and then it took 5.4 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

zz024.cn performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

63/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value2,810 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

zz024.cn

2400 ms

style.css

548 ms

common.js

1400 ms

c_html_js_add.php

646 ms

jquery.lazyload.js

592 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Zz024.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Zz024.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.7 kB (67%)

Content Size

200.6 kB

After Optimization

66.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zz024.cn main page is 200.6 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. Only 10% of websites need less resources to load. Javascripts take 179.3 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 2.5 kB

  • Original 4.0 kB
  • After minification 3.9 kB
  • After compression 1.5 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 2.5 kB or 63% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.2 kB
  • After minification 1.2 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. Zz 024 images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 118.6 kB

  • Original 179.3 kB
  • After minification 177.1 kB
  • After compression 60.7 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 118.6 kB or 66% of the original size.

CSS Optimization

-78%

Potential reduce by 12.6 kB

  • Original 16.0 kB
  • After minification 15.0 kB
  • After compression 3.4 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. Zz024.cn needs all CSS files to be minified and compressed as it can save up to 12.6 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (40%)

Requests Now

10

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zz 024. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zz024.cn

zz024.cn

2400 ms

style.css

style.css

548 ms

common.js

common.js

1400 ms

c_html_js_add.php

c_html_js_add.php

646 ms

jquery.lazyload.js

jquery.lazyload.js

592 ms

common.js

common.js

618 ms

shCore.pack.js

shCore.pack.js

833 ms

shCoreDefault.pack.css

shCoreDefault.pack.css

283 ms

bg.jpg

bg.jpg

575 ms

logo.jpg

logo.jpg

320 ms

icon.png

icon.png

869 ms

Accessibility Review

zz024.cn accessibility score

64

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

zz024.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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

zz024.cn SEO score

78

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zz024.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 Zz024.cn 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

zz024.cn

Open Graph description is not detected on the main page of Zz 024. 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: