Tools & Wizards About Us
zjdianfeng.com screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

zjdianfeng.com

Summit Person white list manufacture KF94│medical mask│FFP2-Zhejiang Dianfeng Industrial

Page Load Speed

2.3 sec in total

First Response

38 ms

Resources Loaded

1 sec

Page Rendered

1.2 sec

zjdianfeng.com screenshot

About Website

Welcome to zjdianfeng.com homepage info - get ready to check Zj Dianfeng best content right away, or after learning these important things about zjdianfeng.com

Zhejiang Dianfeng Industrial Co., Ltd is a comprehensive enterprise specialized in R&D, production a...

Visit zjdianfeng.com

Key Findings

We analyzed Zjdianfeng.com page load time and found that the first response time was 38 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

zjdianfeng.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value1,820 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.17

70/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

zjdianfeng.com

38 ms

www.zjdianfeng.com

285 ms

index.css

78 ms

aos.css

53 ms

animate.css

51 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 17% of them (8 requests) were addressed to the original Zjdianfeng.com, 63% (30 requests) were made to Dedjh0j7jhutx.cloudfront.net and 10% (5 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (407 ms) relates to the external source Pv.sohu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 225.8 kB (12%)

Content Size

1.9 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Zjdianfeng.com main page is 1.9 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 192.2 kB

  • Original 226.4 kB
  • After minification 223.2 kB
  • After compression 34.3 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. 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 192.2 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 476 B

  • Original 1.6 MB
  • After minification 1.6 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. Zj Dianfeng images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 33.2 kB

  • Original 55.1 kB
  • After minification 55.1 kB
  • After compression 21.9 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 33.2 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (34%)

Requests Now

32

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zj Dianfeng. 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.

Network Requests Diagram

zjdianfeng.com

zjdianfeng.com

38 ms

www.zjdianfeng.com

www.zjdianfeng.com

285 ms

index.css

index.css

78 ms

aos.css

aos.css

53 ms

animate.css

animate.css

51 ms

0751ddc7f9ec6e7c3fe046d2acbb6ad5_pageData

0751ddc7f9ec6e7c3fe046d2acbb6ad5_pageData

137 ms

index.js

index.js

50 ms

globalThirdCode-1.js

globalThirdCode-1.js

20 ms

aos.js

aos.js

45 ms

gtm.js

gtm.js

123 ms

gtm.js

gtm.js

211 ms

1509484904923045888%2F0963100c-7b17-436c-9382-3cf7051b8fed.webp

1509484904923045888%2F0963100c-7b17-436c-9382-3cf7051b8fed.webp

78 ms

1509484904923045888%2Fd9dfd93e-4ca6-4f59-80b3-82fd20b22c5f.jpg

1509484904923045888%2Fd9dfd93e-4ca6-4f59-80b3-82fd20b22c5f.jpg

197 ms

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1509484904923045888%2F211a9321-eca1-4af2-ba00-5e8bfc221d59.webp

64 ms

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1450044113243119616%2F1f02d878-9c49-4b48-b8d5-22f12ecd1fa2.webp

71 ms

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1450044113243119616%2F6e169253-4c75-48ba-880e-9aabcd914885.webp

94 ms

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1450044113243119616%2Fdfa5ba20-f242-454f-89ef-a970888486a3.webp

109 ms

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1450044113243119616%2Fdd1202a7-dec7-4bb5-922a-b671b6b73385.webp

115 ms

1450044113243119616%2F4a5bab5c-732d-4ce4-818c-4c6435d72853.webp

1450044113243119616%2F4a5bab5c-732d-4ce4-818c-4c6435d72853.webp

110 ms

1509484904923045888%2Fd083102f-1a57-4cc4-8257-0977f5217107.jpg

1509484904923045888%2Fd083102f-1a57-4cc4-8257-0977f5217107.jpg

310 ms

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1509484904923045888%2F7524b959-5b63-4d47-9771-81fe810ecd32.webp

159 ms

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1509484904923045888%2Ff98144f1-c4e0-4184-a8b1-40920086e883.webp

159 ms

1509484904923045888%2F7219c469-20af-40dc-8148-7342ab1be161.jpg

1509484904923045888%2F7219c469-20af-40dc-8148-7342ab1be161.jpg

270 ms

1509484904923045888%2Fb881f026ce670212abb0403190a14b4d.webp

1509484904923045888%2Fb881f026ce670212abb0403190a14b4d.webp

194 ms

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1509484904923045888%2F65828703b4d40c234a35126153dd9077.webp

224 ms

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1509484904923045888%2F3a35be8a9df031b3316d6b79d6845c67.webp

225 ms

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1509484904923045888%2F895356c5bab5539c2198dce4fdfee611.webp

269 ms

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1509484904923045888%2F75da37334a0cd47d093342f0ded6efd5.webp

349 ms

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1509484904923045888%2F47eff3795c5682ca8db5de8b786ca071.webp

274 ms

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1509484904923045888%2Ff4e929baf9677dd5eef359ddfff989eb.webp

276 ms

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1509484904923045888%2F8b82f92bf8247b319244cb3df0ac9e9d.webp

279 ms

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1509484904923045888%2Fb971c2ae-b3d8-435f-87d0-a4a00ac13b2f.jpg

400 ms

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1509484904923045888%2Fdf3937d6b8a7ec22e6d06d1f5ffe87a2.webp

369 ms

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1509484904923045888%2F6f27167e77fc908aec749867f555b00d.webp

389 ms

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1509484904923045888%2F87a124f7-d3e6-4f0b-8fbd-8a07d8605457.webp

349 ms

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1475960814803394560%2F7e11b9ac-31c3-4765-8b44-8658dc39e5db.webp

308 ms

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1475960814803394560%2Fb658121d-b9ac-4407-b3c4-278901106ed0.webp

309 ms

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309 ms

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309 ms

analytics.js

analytics.js

120 ms

destination

destination

118 ms

cityjson

cityjson

407 ms

js

js

104 ms

destination

destination

76 ms

jquery-2.1.1.min.js

jquery-2.1.1.min.js

58 ms

ip_analytics_ga4.js

ip_analytics_ga4.js

130 ms

collect

collect

107 ms

collect

collect

40 ms

Accessibility Review

zjdianfeng.com accessibility score

84

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

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

Links do not have a discernible name

Best Practices

zjdianfeng.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

zjdianfeng.com SEO score

93

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zjdianfeng.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Zjdianfeng.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

zjdianfeng.com

Open Graph data is detected on the main page of Zj Dianfeng. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: