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name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.111

87/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

alumacong.com

400 ms

blank.png

71 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Alumacong.com and no external sources were called. The less responsive or slowest element that took the longest time to load (400 ms) belongs to the original domain Alumacong.com.

Content Size

749 B

After Optimization

531 B

In fact, the total size of Alumacong.com main page is 749 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 578 B which makes up the majority of the site volume.

HTML Optimization

-38%

Potential reduce by 218 B

Original 578 B
After minification 567 B
After compression 360 B

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 218 B or 38% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 171 B
After minification 171 B

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. Alumacong images are well optimized though.

Requests Now

After Optimization

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alumacong. According to our analytics all requests are already optimized.

Accessibility Issues

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.

High

<frame> or <iframe> elements do not have a title

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Browser errors were logged to the console

Search Engine Optimization Advices

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alumacong.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Alumacong.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

alumacong.com

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