9.7 sec in total
770 ms
8.2 sec
746 ms
Click here to check amazing Amazingmath content for Vietnam. Otherwise, check out these important facts you probably never knew about amazingmath.vn
Học trên amazingmath.vn, học sinh sẽ tiếp thu kiến thức một cách tự nhiên, không hề gượng ép. Học sinh hiểu được bản chất của các phép toán, từ đó hình thành tư duy thông qua các ví dụ trực quan sinh ...
Visit amazingmath.vnWe analyzed Amazingmath.vn page load time and found that the first response time was 770 ms and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
amazingmath.vn performance score
name
value
score
weighting
Value9.6 s
0/100
10%
Value20.1 s
0/100
25%
Value17.1 s
0/100
10%
Value370 ms
71/100
30%
Value0.19
65/100
15%
Value24.2 s
0/100
10%
770 ms
1554 ms
763 ms
963 ms
967 ms
Our browser made a total of 107 requests to load all elements on the main page. We found that 78% of them (83 requests) were addressed to the original Amazingmath.vn, 7% (8 requests) were made to Static.xx.fbcdn.net and 3% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Amazingmath.vn.
Page size can be reduced by 1.6 MB (23%)
7.0 MB
5.3 MB
In fact, the total size of Amazingmath.vn main page is 7.0 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. 80% 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 5.3 MB which makes up the majority of the site volume.
Potential reduce by 120.5 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. This page needs HTML code to be minified as it can gain 45.7 kB, which is 34% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 120.5 kB or 90% of the original size.
Potential reduce by 281.9 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. Amazingmath images are well optimized though.
Potential reduce by 456.0 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 456.0 kB or 73% of the original size.
Potential reduce by 770.1 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. Amazingmath.vn needs all CSS files to be minified and compressed as it can save up to 770.1 kB or 88% of the original size.
Number of requests can be reduced by 51 (51%)
100
49
The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Amazingmath. 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 22 to 1 for CSS and as a result speed up the page load time.
amazingmath.vn
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amazingmath.vn accessibility score
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
amazingmath.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
amazingmath.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
VI
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Amazingmath.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese 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 Amazingmath.vn 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.
amazingmath.vn
Open Graph data is detected on the main page of Amazingmath. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: