Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

jwzzsw.com

辉之思悟|分享互联网技术

Page Load Speed

14.6 sec in total

First Response

1.2 sec

Resources Loaded

13.3 sec

Page Rendered

142 ms

About Website

Visit jwzzsw.com now to see the best up-to-date Jwzzsw content and also check out these interesting facts you probably never knew about jwzzsw.com

对XHTML+CSS的思悟,对PHP的思悟,对编程的思悟,对今后的思悟;正所谓有思有悟有进步。

Visit jwzzsw.com

Key Findings

We analyzed Jwzzsw.com page load time and found that the first response time was 1.2 sec and then it took 13.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

jwzzsw.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value1,410 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

jwzzsw.com

1156 ms

www.jwzzsw.com

2624 ms

style.css

454 ms

jquery.min.js

4587 ms

jquery.lazyload.js

792 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 57% of them (26 requests) were addressed to the original Jwzzsw.com, 17% (8 requests) were made to Secure.gravatar.com and 9% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (4.6 sec) relates to the external source Ajax.useso.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 97.7 kB (37%)

Content Size

266.9 kB

After Optimization

169.2 kB

In fact, the total size of Jwzzsw.com main page is 266.9 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. 30% of websites need less resources to load. Javascripts take 102.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 36.5 kB

  • Original 46.0 kB
  • After minification 38.7 kB
  • After compression 9.6 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 7.4 kB, which is 16% 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 36.5 kB or 79% of the original size.

Image Optimization

-14%

Potential reduce by 12.4 kB

  • Original 88.5 kB
  • After minification 76.1 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. Obviously, Jwzzsw needs image optimization as it can save up to 12.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-25%

Potential reduce by 25.4 kB

  • Original 102.9 kB
  • After minification 101.9 kB
  • After compression 77.5 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 25.4 kB or 25% of the original size.

CSS Optimization

-80%

Potential reduce by 23.4 kB

  • Original 29.4 kB
  • After minification 24.6 kB
  • After compression 6.0 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. Jwzzsw.com needs all CSS files to be minified and compressed as it can save up to 23.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (26%)

Requests Now

43

After Optimization

32

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jwzzsw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

jwzzsw.com accessibility score

74

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

jwzzsw.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

SEO Factors

jwzzsw.com SEO score

62

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 Jwzzsw.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 Jwzzsw.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 Jwzzsw. 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: