Access citytelecom.com.vn. City Telecom, Công ty Viễn Thông Thành Phố, Tổng đài, Camera quan sát

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value1,390 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

citytelecom.com.vn

760 ms

citytelecom.com.vn

1373 ms

bootstrap.min.css

498 ms

style-cms.css

747 ms

owl.carousel.css

997 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 51% of them (48 requests) were addressed to the original Citytelecom.com.vn, 22% (21 requests) were made to Static.xx.fbcdn.net and 5% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Citytelecom.com.vn.

Content Size

769.0 kB

After Optimization

342.7 kB

In fact, the total size of Citytelecom.com.vn main page is 769.0 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. 65% of websites need less resources to load. Images take 306.3 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 189.1 kB

Original 214.3 kB
After minification 212.8 kB
After compression 25.2 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 189.1 kB or 88% of the original size.

Image Optimization

-60%

Potential reduce by 182.6 kB

Original 306.3 kB
After minification 123.7 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, City Telecom needs image optimization as it can save up to 182.6 kB or 60% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-20%

Potential reduce by 42.9 kB

Original 209.7 kB
After minification 209.5 kB
After compression 166.8 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 42.9 kB or 20% of the original size.

CSS Optimization

-30%

Potential reduce by 11.8 kB

Original 38.7 kB
After minification 38.7 kB
After compression 26.9 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. Citytelecom.com.vn needs all CSS files to be minified and compressed as it can save up to 11.8 kB or 30% of the original size.

Requests Now

After Optimization

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of City Telecom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 49 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 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

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

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

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

VI
Language Claimed

VI
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Citytelecom.com.vn 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 Citytelecom.com.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.

Social Sharing Optimization

citytelecom.com.vn

Open Graph data is detected on the main page of City Telecom. 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

City Telecom, Công ty Viễn Thông Thành Phố, Tổng đài, Camera quan sát

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)

Network Requests Diagram

citytelecom.com.vn

citytelecom.com.vn

bootstrap.min.css

style-cms.css

owl.carousel.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

citytelecom.com.vn

citytelecom.com.vn

bootstrap.min.css

style-cms.css

owl.carousel.css

jquery.min.js

modernizr.2.8.3.js

bootstrap.min.js

ie10-viewport-bug-workaround.js

superfish.js

jquery.sidr.min.js

jquery.lazyload.min.js

owl.carousel.min.js

select2.min.js

jquery.elevateZoom-2.5.6.min.js

scrolltopcontrol.js

jquery.cookie.min.js

jstorage.min.js

jquery.ba-hashchange.js

spinner.js

script-cms.js

script-product.js

script-news.js

script-order.js

script-ajax.js

List.js

Other.js

js

font-awesome.min.css

3.0.0

conversion.js

header-2019.png

bg-nav.png

li-p.png

icon-search.png

Zalo.png

product_rating_blank_star.gif

product_rating_full_star.gif

icon_tech_news.png

icon_hot_news.png

video_play_icon.png

fontawesome-webfont.woff

analytics.js