Access linkcard.vn. Hosting

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

linkcard.vn

1868 ms

css

68 ms

settings.css

324 ms

css

27 ms

style.css

822 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 88% of them (60 requests) were addressed to the original Linkcard.vn, 4% (3 requests) were made to Fonts.googleapis.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Linkcard.vn.

Content Size

1.8 MB

After Optimization

1.2 MB

In fact, the total size of Linkcard.vn main page is 1.8 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. 40% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 87.1 kB

Original 97.5 kB
After minification 84.2 kB
After compression 10.4 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 13.2 kB, which is 14% 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 87.1 kB or 89% of the original size.

Image Optimization

-4%

Potential reduce by 44.2 kB

Original 1.0 MB
After minification 998.8 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. Linkcard images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 285.7 kB

Original 430.4 kB
After minification 420.4 kB
After compression 144.7 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 285.7 kB or 66% of the original size.

CSS Optimization

-85%

Potential reduce by 173.5 kB

Original 204.7 kB
After minification 161.9 kB
After compression 31.2 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. Linkcard.vn needs all CSS files to be minified and compressed as it can save up to 173.5 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Linkcard. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 9 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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

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 Linkcard.vn 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 Linkcard.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

linkcard.vn

Open Graph description is not detected on the main page of Linkcard. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Hosting

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

linkcard.vn

css

settings.css

css

style.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

linkcard.vn

css

settings.css

css

style.css

responsive.css

prettyPhoto.css

font-awesome.min.css

linkcard.vn

jquery.js

jquery-migrate.min.js

jquery.themepunch.tools.min.js

jquery.themepunch.revolution.min.js

picturefill.min.js

jquery.prettyPhoto.js

comment-reply.min.js

bunyad-theme.js

jquery.flexslider-min.js

jquery.sticky-sidebar.min.js

css

logo-small.png

Banner-Vuvuzela-702x336.png

IMG_1995aa-702x336.jpg

13-702x336.jpg

linkcard-for-web-1-702x336.jpg

linkcard-for-web-22-702x336.jpg

linkcard-for-web-3a-702x336.jpg

slayt02-702x336.jpg

galle51.jpg

Silk-Path-Hanoi-Hotel-28-702x336.jpg

viet_phap-702x336.jpg

LinkCard-YHYB-Banner-01-702x336.jpg

analytics.js

gtm.js

Zd2E9abXLFGSr9G3YK2MsFzqCfRpIA3W6ypxnPISCPA.woff

b9QBgL0iMZfDSpmcXcE8nCSLrGe-fkSRw2DeVgOoWcQ.woff

fontawesome-webfont.woff

12-351x185.jpg

4-168x137.jpg

1-168x137.jpg

13-110x96.jpg

12-110x96.jpg

4-110x96.jpg