Access viettelsim.hexat.com. Dịch vụ chuyển đổi sim

Report Summary

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

70/100

25%

SI (Speed Index)

Value3.9 s

83/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

viettelsim.hexat.com

2773 ms

creator_template.css

3535 ms

p-0cfM8Oh7M9bVQ.gif

8 ms

__utm.gif

5 ms

creator_template.css

462 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 8% of them (1 request) were addressed to the original Viettelsim.hexat.com, 17% (2 requests) were made to Pixel.quantserve.com and 17% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.5 sec) relates to the external source Simsinhvien.hexat.com.

Content Size

23.1 kB

After Optimization

8.2 kB

In fact, the total size of Viettelsim.hexat.com main page is 23.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 18.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 13.6 kB

Original 18.7 kB
After minification 18.5 kB
After compression 5.1 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 13.6 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 2.4 kB
After minification 2.4 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. Viettel Sim Hexat images are well optimized though.

CSS Optimization

-68%

Potential reduce by 1.4 kB

Original 2.0 kB
After minification 1.6 kB
After compression 647 B

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. Viettelsim.hexat.com needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 68% of the original size.

Requests Now

After Optimization

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

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

High

Browser errors were logged to the console

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

VI
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Viettelsim.hexat.com can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Viettelsim.hexat.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 Viettel Sim Hexat. 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: