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Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

amsc513.com

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Page Load Speed

93.7 sec in total

First Response

497 ms

Resources Loaded

69.7 sec

Page Rendered

23.5 sec

About Website

Welcome to amsc513.com homepage info - get ready to check Amsc 513 best content right away, or after learning these important things about amsc513.com

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Visit amsc513.com

Key Findings

We analyzed Amsc513.com page load time and found that the first response time was 497 ms and then it took 93.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

amsc513.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value5.3 s

59/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

amsc513.com

497 ms

style.css

644 ms

Verdana.css

655 ms

style.css

644 ms

templatespecific.css

657 ms

Our browser made a total of 238 requests to load all elements on the main page. We found that 34% of them (80 requests) were addressed to the original Amsc513.com, 21% (49 requests) were made to Img.alicdn.com and 8% (18 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Union.moonbasa.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (21%)

Content Size

5.2 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Amsc513.com main page is 5.2 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. 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 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 41.0 kB

  • Original 52.5 kB
  • After minification 50.2 kB
  • After compression 11.5 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. 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 41.0 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 235.1 kB

  • Original 4.0 MB
  • After minification 3.7 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. Amsc 513 images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 620.3 kB

  • Original 904.4 kB
  • After minification 869.9 kB
  • After compression 284.1 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 620.3 kB or 69% of the original size.

CSS Optimization

-79%

Potential reduce by 203.1 kB

  • Original 255.7 kB
  • After minification 243.4 kB
  • After compression 52.6 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. Amsc513.com needs all CSS files to be minified and compressed as it can save up to 203.1 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 91 (50%)

Requests Now

183

After Optimization

92

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 183 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Amsc 513. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

amsc513.com accessibility score

63

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

amsc513.com best practices score

83

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

SEO Factors

amsc513.com SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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

    N/A

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Amsc513.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Chinese. Our system also found out that Amsc513.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 description is not detected on the main page of Amsc 513. 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: