16.3 sec in total
554 ms
15.2 sec
577 ms
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Visit sieuthithietbivanphong.comWe analyzed Sieuthithietbivanphong.com page load time and found that the first response time was 554 ms and then it took 15.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
sieuthithietbivanphong.com performance score
name
value
score
weighting
Value4.8 s
12/100
10%
Value6.7 s
7/100
25%
Value10.0 s
9/100
10%
Value1,320 ms
17/100
30%
Value0.001
100/100
15%
Value18.3 s
3/100
10%
554 ms
2646 ms
259 ms
1024 ms
1731 ms
Our browser made a total of 228 requests to load all elements on the main page. We found that 91% of them (207 requests) were addressed to the original Sieuthithietbivanphong.com, 6% (14 requests) were made to Embed.tawk.to and 1% (2 requests) were made to Images.dmca.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Sieuthithietbivanphong.com.
Page size can be reduced by 1.0 MB (18%)
5.8 MB
4.8 MB
In fact, the total size of Sieuthithietbivanphong.com main page is 5.8 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 5.0 MB which makes up the majority of the site volume.
Potential reduce by 289.6 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 289.6 kB or 90% of the original size.
Potential reduce by 559.3 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. Obviously, Sieuthithietbivanphong needs image optimization as it can save up to 559.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 55.1 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 55.1 kB or 15% of the original size.
Potential reduce by 111.0 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. Sieuthithietbivanphong.com needs all CSS files to be minified and compressed as it can save up to 111.0 kB or 97% of the original size.
Number of requests can be reduced by 20 (9%)
218
198
The browser has sent 218 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sieuthithietbivanphong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.
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sieuthithietbivanphong.com 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
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.
sieuthithietbivanphong.com 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
sieuthithietbivanphong.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sieuthithietbivanphong.com can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Sieuthithietbivanphong.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.
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sieuthithietbivanphong.com
Open Graph data is detected on the main page of Sieuthithietbivanphong. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: