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delron.com.cn screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

delron.com.cn

Located in Ningbo China, Delron Industrial Co., ltd

Page Load Speed

3.4 sec in total

First Response

691 ms

Resources Loaded

2.4 sec

Page Rendered

276 ms

delron.com.cn screenshot

About Website

Click here to check amazing Delron content. Otherwise, check out these important facts you probably never knew about delron.com.cn

located in ningbo china, delron industrial co., ltd （delron international limited） is has specialized in die casting and precision machining since 1990. our manufacturing capabilities and services con...

Visit delron.com.cn

Key Findings

We analyzed Delron.com.cn page load time and found that the first response time was 691 ms and then it took 2.7 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

delron.com.cn performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

94/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.283

43/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

delron.com.cn

691 ms

delron.com.cn

39 ms

gtm.js

96 ms

clear.css

6 ms

owl.carousel.min.css

11 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 98% of them (42 requests) were addressed to the original Delron.com.cn, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Delron.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.3 kB (5%)

Content Size

1.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Delron.com.cn main page is 1.5 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. 55% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 15.7 kB

  • Original 20.2 kB
  • After minification 16.9 kB
  • After compression 4.5 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 3.3 kB, which is 16% 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 15.7 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 31.5 kB

  • Original 1.4 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. Delron images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 25.5 kB

  • Original 73.9 kB
  • After minification 73.9 kB
  • After compression 48.4 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 25.5 kB or 35% of the original size.

CSS Optimization

-42%

Potential reduce by 3.7 kB

  • Original 8.7 kB
  • After minification 8.3 kB
  • After compression 5.0 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. Delron.com.cn needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 42% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (20%)

Requests Now

41

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delron. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

delron.com.cn

delron.com.cn

691 ms

delron.com.cn

delron.com.cn

39 ms

gtm.js

gtm.js

96 ms

clear.css

clear.css

6 ms

owl.carousel.min.css

owl.carousel.min.css

11 ms

owl.theme.default.min.css

owl.theme.default.min.css

10 ms

style.css

style.css

15 ms

lib.js

lib.js

10 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

31 ms

index.js

index.js

12 ms

owl.carousel.js

owl.carousel.js

39 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

13 ms

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20200313131606755957.png

63 ms

phone.png

phone.png

62 ms

tel.png

tel.png

63 ms

mail.png

mail.png

62 ms

mail1.png

mail1.png

63 ms

btn_search.png

btn_search.png

63 ms

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20200313132130360503.jpg

65 ms

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20200313132144132994.jpg

64 ms

after.png

after.png

64 ms

1234.jpg

1234.jpg

361 ms

bg.jpg

bg.jpg

332 ms

after1.png

after1.png

64 ms

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2020032009135728448.jpg

1321 ms

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20240520150903244263.png

330 ms

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2020032009301064751.jpg

1316 ms

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20200320093031977851.jpg

1003 ms

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2020032009360394629.jpg

643 ms

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335 ms

222222.jpg

222222.jpg

1313 ms

111111.jpg

111111.jpg

1646 ms

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20200316160812_7479.jpg

646 ms

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20200316160820_8253.jpg

649 ms

20200316160828_0180.jpg

20200316160828_0180.jpg

651 ms

20200316160834_2360.jpg

20200316160834_2360.jpg

654 ms

20200316160841_1230.jpg

20200316160841_1230.jpg

657 ms

20200316160848_0109.jpg

20200316160848_0109.jpg

660 ms

map.png

map.png

663 ms

20200313131606499143.png

20200313131606499143.png

666 ms

Add.png

Add.png

669 ms

fax.png

fax.png

671 ms

20200313131606156629.png

20200313131606156629.png

675 ms

Accessibility Review

delron.com.cn accessibility score

64

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.

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

delron.com.cn 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

delron.com.cn SEO score

79

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

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

High

Tap targets are not sized appropriately

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 Delron.com.cn 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 Delron.com.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

delron.com.cn

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