Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

chenfeng.co

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Page Load Speed

39.7 sec in total

First Response

1.4 sec

Resources Loaded

37.9 sec

Page Rendered

503 ms

chenfeng.co screenshot

About Website

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Visit chenfeng.co

Key Findings

We analyzed Chenfeng.co page load time and found that the first response time was 1.4 sec and then it took 38.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 18 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

chenfeng.co performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value17.8 s

0/100

25%

SI (Speed Index)

Value15.7 s

0/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.249

50/100

15%

TTI (Time to Interactive)

Value21.1 s

1/100

10%

Network Requests Diagram

chenfeng.co

1357 ms

www.chenfeng.co

3892 ms

jplayer.flat.css

901 ms

bootstrap.css

3668 ms

animate.css

919 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 66% of them (73 requests) were addressed to the original Chenfeng.co, 11% (12 requests) were made to Qiao.baidu.com and 7% (8 requests) were made to Lxbjs.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Chenfeng.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 596.4 kB (49%)

Content Size

1.2 MB

After Optimization

628.9 kB

In fact, the total size of Chenfeng.co main page is 1.2 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. 40% of websites need less resources to load. Images take 568.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 75.8 kB

  • Original 88.3 kB
  • After minification 62.2 kB
  • After compression 12.5 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 26.1 kB, which is 30% 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 75.8 kB or 86% of the original size.

Image Optimization

-13%

Potential reduce by 72.8 kB

  • Original 568.3 kB
  • After minification 495.4 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, Chenfeng needs image optimization as it can save up to 72.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 198.9 kB

  • Original 277.3 kB
  • After minification 252.9 kB
  • After compression 78.4 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 198.9 kB or 72% of the original size.

CSS Optimization

-85%

Potential reduce by 248.8 kB

  • Original 291.4 kB
  • After minification 225.9 kB
  • After compression 42.6 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. Chenfeng.co needs all CSS files to be minified and compressed as it can save up to 248.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (48%)

Requests Now

89

After Optimization

46

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chenfeng. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

chenfeng.co accessibility score

45

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

chenfeng.co 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

Browser errors were logged to the console

SEO Factors

chenfeng.co SEO score

69

Search Engine Optimization Advices

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chenfeng.co can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Chenfeng.co 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 Chenfeng. 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: