Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

ct-aluminium.com

Aluminium profile, Aluminium profile manufacturer and Supplier, China Aluminium profile factory - China High Quality Aluminium Profile Factory

Page Load Speed

11.8 sec in total

First Response

417 ms

Resources Loaded

10.4 sec

Page Rendered

1 sec

About Website

Welcome to ct-aluminium.com homepage info - get ready to check Ct Aluminium best content right away, or after learning these important things about ct-aluminium.com

10 years experience in aluminum profile processing, providing some aluminum profiles for high-speed trains for more than 5 years, can provide customized services to customers.

Visit ct-aluminium.com

Key Findings

We analyzed Ct-aluminium.com page load time and found that the first response time was 417 ms and then it took 11.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

ct-aluminium.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value4,200 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.052

99/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

ct-aluminium.com

417 ms

www.ct-aluminium.com

9115 ms

jquery.min.js

137 ms

gtm.js

73 ms

ie-specialized-manufacturing-machinery-factory.jpg

390 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 74% of them (14 requests) were addressed to the original Ct-aluminium.com, 11% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (9.1 sec) belongs to the original domain Ct-aluminium.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 137.9 kB (19%)

Content Size

727.7 kB

After Optimization

589.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Ct-aluminium.com main page is 727.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 537.4 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 116.5 kB

  • Original 138.3 kB
  • After minification 138.1 kB
  • After compression 21.8 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 116.5 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 21.4 kB

  • Original 537.4 kB
  • After minification 516.0 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. Ct Aluminium images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 52.0 kB
  • After minification 52.0 kB
  • After compression 51.9 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.

Requests Breakdown

Number of requests can be reduced by 5 (29%)

Requests Now

17

After Optimization

12

  • AJAX
  • Images
  • JavaScript

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ct Aluminium. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ct-aluminium.com accessibility score

94

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

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

ct-aluminium.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

ct-aluminium.com SEO score

93

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ct-aluminium.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Chinese language. Our system also found out that Ct-aluminium.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 Ct Aluminium. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: