Report Summary

  • 81

    Performance

    Renders faster than
    87% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

ffkj.net

斐斐课件园 >> 首页(老牌的中小学教育教学资源网站,创建于2002年12月)

Page Load Speed

54.6 sec in total

First Response

8.5 sec

Resources Loaded

45.8 sec

Page Rendered

367 ms

ffkj.net screenshot

About Website

Click here to check amazing Ffkj content for China. Otherwise, check out these important facts you probably never knew about ffkj.net

提供免费课件,免费教案,免费论文,免费试题,教学反思,教育教学故事等免费教育资源下载!

Visit ffkj.net

Key Findings

We analyzed Ffkj.net page load time and found that the first response time was 8.5 sec and then it took 46.1 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

ffkj.net performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

ffkj.net

8500 ms

prototype.js

1007 ms

scriptaculous.js

9735 ms

checklogin.js

2959 ms

Skindiv.css

5841 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 34% of them (18 requests) were addressed to the original Ffkj.net, 13% (7 requests) were made to Pos.baidu.com and 6% (3 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Cpro.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 290.4 kB (69%)

Content Size

420.3 kB

After Optimization

129.8 kB

In fact, the total size of Ffkj.net main page is 420.3 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. 20% of websites need less resources to load. Javascripts take 332.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 59.5 kB

  • Original 70.9 kB
  • After minification 70.5 kB
  • After compression 11.4 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 59.5 kB or 84% of the original size.

Image Optimization

-15%

Potential reduce by 556 B

  • Original 3.8 kB
  • After minification 3.2 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. Obviously, Ffkj needs image optimization as it can save up to 556 B or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 219.8 kB

  • Original 332.6 kB
  • After minification 322.6 kB
  • After compression 112.8 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 219.8 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 10.6 kB

  • Original 13.0 kB
  • After minification 10.7 kB
  • After compression 2.4 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. Ffkj.net needs all CSS files to be minified and compressed as it can save up to 10.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (67%)

Requests Now

48

After Optimization

16

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ffkj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

ffkj.net accessibility score

42

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

ffkj.net best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

ffkj.net SEO score

67

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

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ffkj.net 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 Ffkj.net main page’s claimed encoding is gb2312. 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 Ffkj. 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: