Tools & Wizards About Us
jletv.cn screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

jletv.cn

吉林教育电视台

Page Load Speed

28.7 sec in total

First Response

2.5 sec

Resources Loaded

24.9 sec

Page Rendered

1.3 sec

jletv.cn screenshot

About Website

Visit jletv.cn now to see the best up-to-date Jletv content and also check out these interesting facts you probably never knew about jletv.cn

吉林教育电视台

Visit jletv.cn

Key Findings

We analyzed Jletv.cn page load time and found that the first response time was 2.5 sec and then it took 26.2 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

jletv.cn performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value18.0 s

0/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.286

42/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

jletv.cn

2498 ms

reset.css

467 ms

iconfont.css

468 ms

swiper-bundle.min.css

712 ms

layui.css

1207 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 99% of them (83 requests) were addressed to the original Jletv.cn, 1% (1 request) were made to Dcs.conac.cn. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Dcs.conac.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.4 MB (68%)

Content Size

5.0 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jletv.cn main page is 5.0 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. 35% of websites need less resources to load. Images take 4.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 41.9 kB

  • Original 51.1 kB
  • After minification 36.0 kB
  • After compression 9.3 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 15.1 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 41.9 kB or 82% of the original size.

Image Optimization

-71%

Potential reduce by 3.3 MB

  • Original 4.7 MB
  • After minification 1.4 MB

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, Jletv needs image optimization as it can save up to 3.3 MB or 71% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-13%

Potential reduce by 25.6 kB

  • Original 204.3 kB
  • After minification 204.3 kB
  • After compression 178.8 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 25.6 kB or 13% of the original size.

CSS Optimization

-45%

Potential reduce by 25.9 kB

  • Original 57.1 kB
  • After minification 56.9 kB
  • After compression 31.2 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. Jletv.cn needs all CSS files to be minified and compressed as it can save up to 25.9 kB or 45% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (11%)

Requests Now

81

After Optimization

72

  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jletv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jletv.cn

jletv.cn

2498 ms

reset.css

reset.css

467 ms

iconfont.css

iconfont.css

468 ms

swiper-bundle.min.css

swiper-bundle.min.css

712 ms

layui.css

layui.css

1207 ms

common.css

common.css

768 ms

jquery.min.js

jquery.min.js

1171 ms

imgStatus.min.js

imgStatus.min.js

701 ms

layui.js

layui.js

1908 ms

matchHeight-min.js

matchHeight-min.js

935 ms

swiper-bundle.min.js

swiper-bundle.min.js

1706 ms

jletv.js

jletv.js

553 ms

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958 ms

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245 ms

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1868 ms

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704 ms

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1282 ms

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244 ms

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488 ms

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1211 ms

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726 ms

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938 ms

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963 ms

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1173 ms

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1193 ms

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1200 ms

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1453 ms

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4096 ms

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1876 ms

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1675 ms

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2151 ms

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1698 ms

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1917 ms

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1943 ms

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2102 ms

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2112 ms

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2160 ms

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2187 ms

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2340 ms

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2581 ms

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2388 ms

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2397 ms

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2428 ms

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2573 ms

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2555 ms

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2393 ms

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2429 ms

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6564 ms

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2117 ms

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2141 ms

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1941 ms

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1961 ms

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2794 ms

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1933 ms

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1932 ms

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1957 ms

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2133 ms

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19670 ms

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2082 ms

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1993 ms

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2388 ms

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2160 ms

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2188 ms

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2160 ms

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2185 ms

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2124 ms

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2183 ms

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2664 ms

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2184 ms

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2162 ms

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3220 ms

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2346 ms

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2210 ms

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2383 ms

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2390 ms

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2422 ms

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2426 ms

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2400 ms

Accessibility Review

jletv.cn accessibility score

90

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

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

Links do not have a discernible name

Best Practices

jletv.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jletv.cn SEO score

90

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

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

    EN

  • Encoding

    UTF-8

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

jletv.cn

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