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Report Summary

About Website

Click here to check amazing Astah Change Vision content for Brazil. Otherwise, check out these important facts you probably never knew about astah.change-vision.com

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name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value2,340 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.249

50/100

15%

TTI (Time to Interactive)

Value22.4 s

1/100

10%

astah.change-vision.com

292 ms

index.html

145 ms

astah.net

341 ms

gtm.js

88 ms

style.min.css

316 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Astah.change-vision.com, 70% (83 requests) were made to Astah.net and 8% (9 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Astah.net.

Content Size

565.2 kB

After Optimization

272.8 kB

In fact, the total size of Astah.change-vision.com main page is 565.2 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. Only a small number of websites need less resources to load. Javascripts take 423.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 66.9 kB

Original 82.4 kB
After minification 75.1 kB
After compression 15.5 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 66.9 kB or 81% of the original size.

JavaScript Optimization

-53%

Potential reduce by 225.6 kB

Original 423.5 kB
After minification 423.5 kB
After compression 198.0 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 225.6 kB or 53% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

Original 59.3 kB
After minification 59.3 kB
After compression 59.3 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. Astah.change-vision.com has all CSS files already compressed.

Requests Now

108

After Optimization

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astah Change Vision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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/).

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 Astah.change-vision.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 Astah.change-vision.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

astah.change-vision.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Premier Diagramming, Modeling Software & Tools | Astah

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)