8.6 sec in total
47 ms
2.7 sec
5.9 sec
Click here to check amazing SEFVI content for Vietnam. Otherwise, check out these important facts you probably never knew about sefvi.com
Visit sefvi.comWe analyzed Sefvi.com page load time and found that the first response time was 47 ms and then it took 8.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
sefvi.com performance score
name
value
score
weighting
Value2.1 s
80/100
10%
Value31.4 s
0/100
25%
Value2.7 s
97/100
10%
Value80 ms
99/100
30%
Value0.163
72/100
15%
Value4.7 s
80/100
10%
47 ms
1228 ms
37 ms
52 ms
82 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Sefvi.com, 76% (48 requests) were made to S1video.consoleiis.com and 11% (7 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Vipads.live.
Page size can be reduced by 56.3 kB (74%)
76.3 kB
20.1 kB
In fact, the total size of Sefvi.com main page is 76.3 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. HTML takes 64.0 kB which makes up the majority of the site volume.
Potential reduce by 56.3 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 56.3 kB or 88% of the original size.
Potential reduce by 0 B
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. SEFVI images are well optimized though.
We found no issues to fix!
58
58
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SEFVI. According to our analytics all requests are already optimized.
sefvi.com
47 ms
sefvi.com
1228 ms
style.css
37 ms
main.js
52 ms
js
82 ms
DFB8DE57-26EB-1957-34-67400FDA39C9.blpha
1448 ms
icon.css
18 ms
show.css
23 ms
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loading.gif
74 ms
hm.js
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sefvi.png
22 ms
Gilroy-Light.woff
21 ms
Gilroy-Medium.woff
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hm.gif
317 ms
sefvi.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Names and labels
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.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
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.
sefvi.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
sefvi.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
![]()
VI
![]()
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sefvi.com can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sefvi.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.
sefvi.com
Open Graph data is detected on the main page of SEFVI. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: