714 ms in total
60 ms
566 ms
88 ms
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Visit facebook.vnWe analyzed Facebook.vn page load time and found that the first response time was 60 ms and then it took 654 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
facebook.vn performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value4.3 s
41/100
25%
Value4.1 s
79/100
10%
Value0 ms
100/100
30%
Value0.028
100/100
15%
Value4.1 s
87/100
10%
60 ms
76 ms
89 ms
103 ms
114 ms
Our browser made a total of 21 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Facebook.vn, 10% (2 requests) were made to and 5% (1 request) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (140 ms) relates to the external source Static.xx.fbcdn.net.
Page size can be reduced by 140.1 kB (63%)
222.2 kB
82.2 kB
In fact, the total size of Facebook.vn main page is 222.2 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 179.2 kB which makes up the majority of the site volume.
Potential reduce by 138.2 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 138.2 kB or 77% of the original size.
Potential reduce by 1.9 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. Facebook images are well optimized though.
Number of requests can be reduced by 11 (61%)
18
7
The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Facebook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
unsupportedbrowser
60 ms
eWC_45OPm1w.css
76 ms
7AUGsW2U9K1.css
89 ms
G23MvndTOt6.css
103 ms
suReUz3u4dI.css
114 ms
f9mGsFoKGRJ.js
140 ms
NNQ76lwAxXW.js
15 ms
I0twv5cR4Lp.js
14 ms
css;base64,
4 ms
css;%20charset=utf-8;base64,I2Jvb3Rsb2FkZXJfUF9tcjV7aGVpZ2h0OjQycHg7fS5ib290bG9hZGVyX1BfbXI1e2Rpc3BsYXk6YmxvY2shaW1wb3J0YW50O30=
4 ms
80Toi9Z6PPm.png
16 ms
r_iJz4bH88K.png
17 ms
2u5-_Jf6BmM.png
43 ms
mwyXOKOPT_d.png
42 ms
pVxSG2yBPaY.js
29 ms
ehjOwGW4Goz.js
23 ms
cQlpcbo083a.js
16 ms
KpHZGP9U8kZ.js
22 ms
-n-8m7SjwAG.js
132 ms
7sdIDAs33zG.js
130 ms
-PAXP-deijE.gif
14 ms
facebook.vn accessibility score
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
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
facebook.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
facebook.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Facebook.vn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Facebook.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.
facebook.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: