Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

lonsuncorp.com

Mill Roll for HSM,Cast Roll for hot mill, Forged Roll for HSM, Forged Roll for Cold Rolling Mill, HSS Roll, Carbide Ring; China Roll Manufacture-LONSU...

Page Load Speed

3.7 sec in total

First Response

443 ms

Resources Loaded

2.8 sec

Page Rendered

547 ms

lonsuncorp.com screenshot

About Website

Visit lonsuncorp.com now to see the best up-to-date LONSUN Corp content and also check out these interesting facts you probably never knew about lonsuncorp.com

Lonsun Metallurgy Machinery Corporation: LONSUN has 30 years of technical R&D, production and sales experience for casting roll and forging rolls for hot rolling mill,cold rolling mill, hot strip mill...

Visit lonsuncorp.com

Key Findings

We analyzed Lonsuncorp.com page load time and found that the first response time was 443 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

lonsuncorp.com performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.213

58/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

lonsuncorp.com

443 ms

www.lonsuncorp.com

484 ms

swiper.min.css

368 ms

bootstrap.min.css

153 ms

font-awesome.min.css

140 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 76% of them (51 requests) were addressed to the original Lonsuncorp.com, 13% (9 requests) were made to Js02.v15cdn.com and 10% (7 requests) were made to Js01.v15cdn.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Lonsuncorp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 60.1 kB (5%)

Content Size

1.2 MB

After Optimization

1.1 MB

In fact, the total size of Lonsuncorp.com main page is 1.2 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 853.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 32.4 kB

  • Original 42.0 kB
  • After minification 40.0 kB
  • After compression 9.7 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 32.4 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 7.7 kB

  • Original 853.0 kB
  • After minification 845.3 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. LONSUN Corp images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 4.5 kB

  • Original 198.4 kB
  • After minification 198.3 kB
  • After compression 193.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-27%

Potential reduce by 15.5 kB

  • Original 57.2 kB
  • After minification 51.8 kB
  • After compression 41.7 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. Lonsuncorp.com needs all CSS files to be minified and compressed as it can save up to 15.5 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (44%)

Requests Now

63

After Optimization

35

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LONSUN Corp. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lonsuncorp.com accessibility score

79

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

[id] attributes on active, focusable elements are not unique

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

Image elements do not have [alt] attributes

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

lonsuncorp.com 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

SEO Factors

lonsuncorp.com SEO score

84

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 Lonsuncorp.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 Lonsuncorp.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

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