Tools & Wizards About Us
li21.cn screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

li21.cn

安全登录

Page Load Speed

2.8 sec in total

First Response

263 ms

Resources Loaded

1.5 sec

Page Rendered

961 ms

li21.cn screenshot

About Website

Visit li21.cn now to see the best up-to-date Li 21 content and also check out these interesting facts you probably never knew about li21.cn

Visit li21.cn

Key Findings

We analyzed Li21.cn page load time and found that the first response time was 263 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

li21.cn performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value6,180 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

www.li21.cn

263 ms

style.css

74 ms

theme.css

75 ms

bootstrap.min.css

48 ms

editor.css

88 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 98% of them (81 requests) were addressed to the original Li21.cn, 1% (1 request) were made to Fonts.test-beta.com and 1% (1 request) were made to Cdn.livechatinc.com. The less responsive or slowest element that took the longest time to load (518 ms) belongs to the original domain Li21.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 196.0 kB (15%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Li21.cn main page is 1.3 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. 60% of websites need less resources to load. Images take 981.4 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 129.1 kB

  • Original 146.1 kB
  • After minification 103.6 kB
  • After compression 17.0 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 42.5 kB, which is 29% 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 129.1 kB or 88% of the original size.

Image Optimization

-5%

Potential reduce by 44.7 kB

  • Original 981.4 kB
  • After minification 936.8 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. Li 21 images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 11.1 kB

  • Original 154.1 kB
  • After minification 154.1 kB
  • After compression 143.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-25%

Potential reduce by 11.1 kB

  • Original 45.2 kB
  • After minification 45.2 kB
  • After compression 34.1 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. Li21.cn needs all CSS files to be minified and compressed as it can save up to 11.1 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (12%)

Requests Now

81

After Optimization

71

  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Li 21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.li21.cn

www.li21.cn

263 ms

style.css

style.css

74 ms

theme.css

theme.css

75 ms

bootstrap.min.css

bootstrap.min.css

48 ms

editor.css

editor.css

88 ms

2069813.jpg

2069813.jpg

36 ms

t6.png

t6.png

81 ms

en.png

en.png

78 ms

c2069773-sida-granular-dry-ice-pellet-maker-making-machine-dry-ice-pelletizer-dry-ice-block-production-machine-30-2000kg-h-factory-ce-approved.jpg

c2069773-sida-granular-dry-ice-pellet-maker-making-machine-dry-ice-pelletizer-dry-ice-block-production-machine-30-2000kg-h-factory-ce-approved.jpg

106 ms

c2069773-animal-aquarium-aquatic-pet-dog-cat-monkey-fox-bird-tilapia-floating-fish-catfish-shrimps-crab-feed-pellet-food-making-make-production-produce-machine-plant.jpg

c2069773-animal-aquarium-aquatic-pet-dog-cat-monkey-fox-bird-tilapia-floating-fish-catfish-shrimps-crab-feed-pellet-food-making-make-production-produce-machine-plant.jpg

119 ms

c2061765-waste-plastic-recycling-water-ring-cutting-granules-pellets-bead-extruder-making-machine.jpg

c2061765-waste-plastic-recycling-water-ring-cutting-granules-pellets-bead-extruder-making-machine.jpg

111 ms

c2061765-double-screw-breakfast-cereal-corn-pellet-frying-choco-chips-pan-puff-snacks-cheese-ball-artificial-rice-soyabean-protein-bread-food-processing-making-machine.jpg

c2061765-double-screw-breakfast-cereal-corn-pellet-frying-choco-chips-pan-puff-snacks-cheese-ball-artificial-rice-soyabean-protein-bread-food-processing-making-machine.jpg

146 ms

c2061767-cow-feed-processing-machinery-shrimp-feed-pellet-machine-production-line-high-output-good-quality-animal-feed-machine.jpg

c2061767-cow-feed-processing-machinery-shrimp-feed-pellet-machine-production-line-high-output-good-quality-animal-feed-machine.jpg

129 ms

c2069749-shrimp-feed-pellet-machine.jpg

c2069749-shrimp-feed-pellet-machine.jpg

137 ms

c2069775-best-quality-fish-feed-pellet-making-machine.jpg

c2069775-best-quality-fish-feed-pellet-making-machine.jpg

208 ms

c2069749-heli-pellet-feed-machine-animal-feed-pellet-production-line-animal-feed-pellet-make-machine.jpg

c2069749-heli-pellet-feed-machine-animal-feed-pellet-production-line-animal-feed-pellet-make-machine.jpg

174 ms

c2061768-1-20t-h-stainless-steel-chicken-livestock-cattle-pig-fish-poultry-feed-pellet-making-machine.jpg

c2061768-1-20t-h-stainless-steel-chicken-livestock-cattle-pig-fish-poultry-feed-pellet-making-machine.jpg

146 ms

c2061766-animal-feed-machine-of-cow-sheep-dog-cat-fox-floating-fish-feed-pellet-food-making-machine-feed-pellet-mill-cattle-sheep-pig-food-feed-machine-extruder.jpg

c2061766-animal-feed-machine-of-cow-sheep-dog-cat-fox-floating-fish-feed-pellet-food-making-machine-feed-pellet-mill-cattle-sheep-pig-food-feed-machine-extruder.jpg

207 ms

c2061764-high-speed-automatic-3ply-mask-flat-mask-disposable-mask-n95-kn95-ffp2-ffp3-fish-type-dust-face-mask-making-machine-with-servo-motor-headloop-welding.jpg

c2061764-high-speed-automatic-3ply-mask-flat-mask-disposable-mask-n95-kn95-ffp2-ffp3-fish-type-dust-face-mask-making-machine-with-servo-motor-headloop-welding.jpg

200 ms

c2061764-fish-nettting-making-machine-mesh-slice-longitudinal-figuration-machine.jpg

c2061764-fish-nettting-making-machine-mesh-slice-longitudinal-figuration-machine.jpg

209 ms

c2069780-hot-sell-in-2021-industrial-dog-food-making-machine-floating-fish-feed-pellet-machine.jpg

c2069780-hot-sell-in-2021-industrial-dog-food-making-machine-floating-fish-feed-pellet-machine.jpg

278 ms

c2069779-supply-different-sizes-floating-pelleted-fish-feed-making-machine.jpg

c2069779-supply-different-sizes-floating-pelleted-fish-feed-making-machine.jpg

243 ms

c2059882-different-diameter-floating-sinking-fish-feed-making-machine.jpg

c2059882-different-diameter-floating-sinking-fish-feed-making-machine.jpg

307 ms

c2069780-china-factory-price-automatic-floating-fish-feed-pellet-making-machine.jpg

c2069780-china-factory-price-automatic-floating-fish-feed-pellet-making-machine.jpg

270 ms

c2063289-300-350kg-h-poultry-animal-fish-feed-making-pet-food-pellet-mill-extruder-machine.jpg

c2063289-300-350kg-h-poultry-animal-fish-feed-making-pet-food-pellet-mill-extruder-machine.jpg

419 ms

c2063287-animal-feed-pellet-making-machine-with-diesel-engine.jpg

c2063287-animal-feed-pellet-making-machine-with-diesel-engine.jpg

277 ms

c2061809-animal-feed-machine-of-cow-sheep-dog-cat-fox-floating-fish-feed-pellet-food-making-machine-feed-pellet-mill-cattle-sheep-pig-food-feed-machine-extruder.jpg

c2061809-animal-feed-machine-of-cow-sheep-dog-cat-fox-floating-fish-feed-pellet-food-making-machine-feed-pellet-mill-cattle-sheep-pig-food-feed-machine-extruder.jpg

315 ms

c2063289-farm-use-straw-cutter-machine-animal-feed-making-chaff-cutter-machine.jpg

c2063289-farm-use-straw-cutter-machine-animal-feed-making-chaff-cutter-machine.jpg

329 ms

c2059838-factory-direct-sale-floating-fish-feed-pellet-machine-pet-dog-fish-food-extruder-price.jpg

c2059838-factory-direct-sale-floating-fish-feed-pellet-machine-pet-dog-fish-food-extruder-price.jpg

417 ms

c2059838-high-quality-animal-pet-cat-dog-food-machine-chicken-bird-floating-fish-feed-twin-screw-extruder-processing-line-snacks-food-making-machine.jpg

c2059838-high-quality-animal-pet-cat-dog-food-machine-chicken-bird-floating-fish-feed-twin-screw-extruder-processing-line-snacks-food-making-machine.jpg

415 ms

c2064037-rubber-machine-pin-barrel-cold-feed-rubber-extruder.jpg

c2064037-rubber-machine-pin-barrel-cold-feed-rubber-extruder.jpg

417 ms

c2059838-xjw-150-cold-feed-rubber-hose-extruder-extrusion-machine-with-temperature-control-system.jpg

c2059838-xjw-150-cold-feed-rubber-hose-extruder-extrusion-machine-with-temperature-control-system.jpg

419 ms

c2059838-wet-dry-aquarium-floating-fish-feed-pellet-making-extruder-catfish-food-processing-machine.jpg

c2059838-wet-dry-aquarium-floating-fish-feed-pellet-making-extruder-catfish-food-processing-machine.jpg

420 ms

c2059838-extruder-floating-feed-pellet-making-machinery.jpg

c2059838-extruder-floating-feed-pellet-making-machinery.jpg

476 ms

c2064037-300-350kg-h-poultry-animal-fish-feed-making-pet-food-pellet-mill-extruder-machine.jpg

c2064037-300-350kg-h-poultry-animal-fish-feed-making-pet-food-pellet-mill-extruder-machine.jpg

475 ms

c2062821-animal-feed-machine-of-cow-sheep-dog-cat-fox-floating-fish-feed-pellet-food-making-machine-feed-pellet-mill-cattle-sheep-pig-food-feed-machine-extruder.jpg

c2062821-animal-feed-machine-of-cow-sheep-dog-cat-fox-floating-fish-feed-pellet-food-making-machine-feed-pellet-mill-cattle-sheep-pig-food-feed-machine-extruder.jpg

474 ms

jquery.min.js

jquery.min.js

419 ms

qrcode.js

qrcode.js

440 ms

tabs.js

tabs.js

419 ms

css2

css2

290 ms

qazy.js

qazy.js

435 ms

wowslider.js

wowslider.js

407 ms

script.js

script.js

405 ms

theme.js

theme.js

404 ms

c2059838-cold-feed-90mm20d-rubber-venting-vacuum-rubber-extruder-machine.jpg

c2059838-cold-feed-90mm20d-rubber-venting-vacuum-rubber-extruder-machine.jpg

413 ms

c2062821-factory-price-floating-sinking-aquatic-feed-machine-freshwater-fish-feed-extruder-feed-pellet-granulator-production-line.jpg

c2062821-factory-price-floating-sinking-aquatic-feed-machine-freshwater-fish-feed-extruder-feed-pellet-granulator-production-line.jpg

444 ms

c2059838-150mm-epdm-vacuum-cold-feed-rubber-extruder-machine.jpg

c2059838-150mm-epdm-vacuum-cold-feed-rubber-extruder-machine.jpg

438 ms

c2062821-high-capacity-dry-dog-food-extruder-plant-fish-feed-processing-machine-floating-fish-food-machine.jpg

c2062821-high-capacity-dry-dog-food-extruder-plant-fish-feed-processing-machine-floating-fish-food-machine.jpg

430 ms

c2059838-poultry-farm-machinery-pellet-extruder-animal-feed-machine.jpg

c2059838-poultry-farm-machinery-pellet-extruder-animal-feed-machine.jpg

418 ms

c2059838-dry-pet-cat-fish-feed-extrusion-equipment-plant-animal-floating-food-production-line-pet-dog-food-pellet-making-processing-extruder-machine-price.jpg

c2059838-dry-pet-cat-fish-feed-extrusion-equipment-plant-animal-floating-food-production-line-pet-dog-food-pellet-making-processing-extruder-machine-price.jpg

428 ms

c2062821-floating-fish-feed-pellet-making-machine-aquatic-fish-food-production-line-feed-extruder.jpg

c2062821-floating-fish-feed-pellet-making-machine-aquatic-fish-food-production-line-feed-extruder.jpg

439 ms

c2064037-multipurpose-pet-food-making-machine-line-dog-cat-food-extruder-floating-fish-feed-pellet-machine.jpg

c2064037-multipurpose-pet-food-making-machine-line-dog-cat-food-extruder-floating-fish-feed-pellet-machine.jpg

418 ms

c2064037-dry-animal-aquarium-floating-fish-feed-pellet-making-extruder-pet-dog-catfish-food-processing-machine.jpg

c2064037-dry-animal-aquarium-floating-fish-feed-pellet-making-extruder-pet-dog-catfish-food-processing-machine.jpg

410 ms

c2064037-100-3000kg-hr-industrial-automatic-wet-dry-animal-pet-dog-cat-food-extruder-fish-feed-making-machine-production-line-processing-maker-plant.jpg

c2064037-100-3000kg-hr-industrial-automatic-wet-dry-animal-pet-dog-cat-food-extruder-fish-feed-making-machine-production-line-processing-maker-plant.jpg

444 ms

c2059838-automatic-high-quality-dry-type-floating-fish-feed-pellet-extruder-machine-from-china.jpg

c2059838-automatic-high-quality-dry-type-floating-fish-feed-pellet-extruder-machine-from-china.jpg

492 ms

c2064037-small-animal-pet-dog-floating-fish-food-pellet-production-line-equipment-plant-prices-sinking-fish-feed-making-processing-extruder-manufacturing-machine.jpg

c2064037-small-animal-pet-dog-floating-fish-food-pellet-production-line-equipment-plant-prices-sinking-fish-feed-making-processing-extruder-manufacturing-machine.jpg

448 ms

c2062821-rubber-extruder-pin-barrel-cold-feed-extruder-rubber-extruding-machine-rubber-extrusion-machinery.jpg

c2062821-rubber-extruder-pin-barrel-cold-feed-extruder-rubber-extruding-machine-rubber-extrusion-machinery.jpg

430 ms

c2062821-2020-hot-sales-100kg-6t-h-automatic-dog-cat-fish-shrimp-bird-pet-snack-food-extruder-plant-production-line-equipment-machine-fish-feed-machine.jpg

c2062821-2020-hot-sales-100kg-6t-h-automatic-dog-cat-fish-shrimp-bird-pet-snack-food-extruder-plant-production-line-equipment-machine-fish-feed-machine.jpg

401 ms

c2062821-saibainuo-automatic-dry-animal-pet-dog-cat-floating-sinking-fish-feed-pellet-production-snack-food-processing-making-extrusion-extruder-machine.jpg

c2062821-saibainuo-automatic-dry-animal-pet-dog-cat-floating-sinking-fish-feed-pellet-production-snack-food-processing-making-extrusion-extruder-machine.jpg

372 ms

c2069801-floating-fish-food-maker-machine-floating-fish-feed-processing-machine-tilapia-food.jpg

c2069801-floating-fish-food-maker-machine-floating-fish-feed-processing-machine-tilapia-food.jpg

427 ms

c2069801-animal-aqua-floating-sinking-fish-feed-maker-extrusion-line-machines.jpg

c2069801-animal-aqua-floating-sinking-fish-feed-maker-extrusion-line-machines.jpg

437 ms

c2069802-fish-feed-pellet-extruder-fish-feed-extruder-machine-fish-feed-pellet-maker-for-sale.jpg

c2069802-fish-feed-pellet-extruder-fish-feed-extruder-machine-fish-feed-pellet-maker-for-sale.jpg

391 ms

c2069801-wet-type-floating-fish-feed-pellet-maker-extruder-machine.jpg

c2069801-wet-type-floating-fish-feed-pellet-maker-extruder-machine.jpg

387 ms

c2069802-floating-fish-food-maker-machine-extruder-machine-food-floating-fish-feed.jpg

c2069802-floating-fish-food-maker-machine-extruder-machine-food-floating-fish-feed.jpg

412 ms

c2069802-china-factory-direct-supply-dog-food-maker-floating-fish-feed-machine.jpg

c2069802-china-factory-direct-supply-dog-food-maker-floating-fish-feed-machine.jpg

345 ms

c2069802-dry-animal-pet-dog-cat-monkey-floating-sinking-fish-feed-pellet-floating-fish-feed-pellet-maker-fish-feed-pellet-making-machine.jpg

c2069802-dry-animal-pet-dog-cat-monkey-floating-sinking-fish-feed-pellet-floating-fish-feed-pellet-maker-fish-feed-pellet-making-machine.jpg

351 ms

c2069800-fish-feed-maker-machine-extruder-machine.jpg

c2069800-fish-feed-maker-machine-extruder-machine.jpg

353 ms

c2069802-wet-type-automatic-floating-fish-feed-pellet-maker-extruder-machine.jpg

c2069802-wet-type-automatic-floating-fish-feed-pellet-maker-extruder-machine.jpg

351 ms

c2069800-100-3000kg-hr-industrial-automatic-wet-dry-animal-pet-dog-cat-food-extruder-fish-feed-making-machine-production-line-processing-maker-plant.jpg

c2069800-100-3000kg-hr-industrial-automatic-wet-dry-animal-pet-dog-cat-food-extruder-fish-feed-making-machine-production-line-processing-maker-plant.jpg

358 ms

c2069802-high-capacity-fish-animal-feed-pellet-food-maker-machine.jpg

c2069802-high-capacity-fish-animal-feed-pellet-food-maker-machine.jpg

350 ms

c2069802-floating-sinking-fish-feed-pellet-floating-fish-feed-pellet-maker-fish-feed-pellet-making-machine.jpg

c2069802-floating-sinking-fish-feed-pellet-floating-fish-feed-pellet-maker-fish-feed-pellet-making-machine.jpg

349 ms

c2069800-cheapest-fish-feed-pellet-maker-plant-animal-feed-pellet-machine.jpg

c2069800-cheapest-fish-feed-pellet-maker-plant-animal-feed-pellet-machine.jpg

381 ms

c2069800-poultry-animal-feed-maker-fish-sheep-cattle-feed-pelleting-mill-making-machine-extruder-machine.jpg

c2069800-poultry-animal-feed-maker-fish-sheep-cattle-feed-pelleting-mill-making-machine-extruder-machine.jpg

347 ms

c2069800-fish-feed-pellet-extruder-fish-feed-extruder-machine-fish-feed-pellet-maker-for-sale.jpg

c2069800-fish-feed-pellet-extruder-fish-feed-extruder-machine-fish-feed-pellet-maker-for-sale.jpg

363 ms

c2069801-fish-feed-maker-machine.jpg

c2069801-fish-feed-maker-machine.jpg

370 ms

c2061808-saibainuo-automatic-dry-animal-pet-dog-cat-floating-sinking-fish-feed-pellet-production-snack-food-processing-making-extrusion-extruder-machine.jpg

c2061808-saibainuo-automatic-dry-animal-pet-dog-cat-floating-sinking-fish-feed-pellet-production-snack-food-processing-making-extrusion-extruder-machine.jpg

407 ms

c2061765-small-animal-pet-dog-floating-fish-food-pellet-production-line-equipment-plant-prices-sinking-fish-feed-making-processing-extruder-manufacturing-machine.jpg

c2061765-small-animal-pet-dog-floating-fish-food-pellet-production-line-equipment-plant-prices-sinking-fish-feed-making-processing-extruder-manufacturing-machine.jpg

404 ms

c2061765-china-manufacture-chicken-cattle-livestock-fish-poultry-pig-animal-feed-pellet-mill-feed-pellet-making-machine.jpg

c2061765-china-manufacture-chicken-cattle-livestock-fish-poultry-pig-animal-feed-pellet-mill-feed-pellet-making-machine.jpg

409 ms

c2061765-pet-food-production-line-floating-fish-feed-pellet-making-machine.jpg

c2061765-pet-food-production-line-floating-fish-feed-pellet-making-machine.jpg

419 ms

slide-flag.png

slide-flag.png

398 ms

tracking.js

tracking.js

33 ms

tbbj_h.jpg

tbbj_h.jpg

518 ms

tb_bj.jpg

tb_bj.jpg

372 ms

Accessibility Review

li21.cn accessibility score

56

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.

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

Links do not have a discernible name

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

li21.cn best practices score

67

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

Page has valid source maps

SEO Factors

li21.cn SEO score

86

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

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Li21.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Chinese. Our system also found out that Li21.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

li21.cn

Open Graph description is not detected on the main page of Li 21. 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: