Tools & Wizards About Us
facebook.com.vn screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

facebook.com.vn

Page Load Speed

2.7 sec in total

First Response

1.1 sec

Resources Loaded

1.4 sec

Page Rendered

104 ms

facebook.com.vn screenshot

About Website

Click here to check amazing Facebook content for Russia. Otherwise, check out these important facts you probably never knew about facebook.com.vn

Create an account or log into Facebook. Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.

Visit facebook.com.vn

Key Findings

We analyzed Facebook.com.vn page load time and found that the first response time was 1.1 sec and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

facebook.com.vn performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value4.6 s

82/100

10%

Network Requests Diagram

facebook.com.vn

1134 ms

www.facebook.com

125 ms

MKXBVqUyW47.css

14 ms

8OYGVrUXQkA.css

34 ms

HbRvWLo2Xj2.css

37 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Facebook.com.vn, 59% (10 requests) were made to Static.xx.fbcdn.net and 18% (3 requests) were made to Scontent-iad3-1.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Facebook.com.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 159.1 kB (67%)

Content Size

235.7 kB

After Optimization

76.7 kB

  • HTML
  • Images

In fact, the total size of Facebook.com.vn main page is 235.7 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. 30% of websites need less resources to load. HTML takes 202.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 155.3 kB

  • Original 202.2 kB
  • After minification 202.1 kB
  • After compression 46.9 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 155.3 kB or 77% of the original size.

Image Optimization

-11%

Potential reduce by 3.7 kB

  • Original 33.5 kB
  • After minification 29.8 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. Obviously, Facebook needs image optimization as it can save up to 3.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Facebook. According to our analytics all requests are already optimized.

Network Requests Diagram

facebook.com.vn

facebook.com.vn

1134 ms

www.facebook.com

www.facebook.com

125 ms

MKXBVqUyW47.css

MKXBVqUyW47.css

14 ms

8OYGVrUXQkA.css

8OYGVrUXQkA.css

34 ms

HbRvWLo2Xj2.css

HbRvWLo2Xj2.css

37 ms

f9mGsFoKGRJ.js

f9mGsFoKGRJ.js

41 ms

851565_602269956474188_918638970_n.png

851565_602269956474188_918638970_n.png

31 ms

FTMEHrrsOo2.js

FTMEHrrsOo2.js

15 ms

I0twv5cR4Lp.js

I0twv5cR4Lp.js

15 ms

css;base64,

css;base64,

3 ms

css;%20charset=utf-8;base64,I2Jvb3Rsb2FkZXJfUF9tcjV7aGVpZ2h0OjQycHg7fS5ib290bG9hZGVyX1BfbXI1e2Rpc3BsYXk6YmxvY2shaW1wb3J0YW50O30=

css;%20charset=utf-8;base64,I2Jvb3Rsb2FkZXJfUF9tcjV7aGVpZ2h0OjQycHg7fS5ib290bG9hZGVyX1BfbXI1e2Rpc3BsYXk6YmxvY2shaW1wb3J0YW50O30=

3 ms

851585_216271631855613_2121533625_n.png

851585_216271631855613_2121533625_n.png

14 ms

851558_160351450817973_1678868765_n.png

851558_160351450817973_1678868765_n.png

15 ms

80Toi9Z6PPm.png

80Toi9Z6PPm.png

11 ms

T00ZzI-ejI3.png

T00ZzI-ejI3.png

13 ms

GsNJNwuI-UM.gif

GsNJNwuI-UM.gif

18 ms

mwyXOKOPT_d.png

mwyXOKOPT_d.png

18 ms

Accessibility Review

facebook.com.vn accessibility score

83

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

facebook.com.vn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

facebook.com.vn SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Facebook.com.vn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Facebook.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

facebook.com.vn

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