11.9 sec in total
1.6 sec
9.6 sec
657 ms
Visit oto.edu.vn now to see the best up-to-date Oto content for Vietnam and also check out these interesting facts you probably never knew about oto.edu.vn
VATC là trung tâm dạy huấn luyện kỹ thuật ô tô, dạy sửa chữa ô tô, điện - điện tử ô tô chuyên nghiệp đầu tiên và uy tín tại Việt Nam...
Visit oto.edu.vnWe analyzed Oto.edu.vn page load time and found that the first response time was 1.6 sec and then it took 10.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
oto.edu.vn performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value11.0 s
0/100
25%
Value30.1 s
0/100
10%
Value1,390 ms
16/100
30%
Value0.046
99/100
15%
Value13.6 s
11/100
10%
1640 ms
972 ms
487 ms
495 ms
497 ms
Our browser made a total of 151 requests to load all elements on the main page. We found that 54% of them (81 requests) were addressed to the original Oto.edu.vn, 15% (22 requests) were made to Google.com and 9% (13 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (4.4 sec) belongs to the original domain Oto.edu.vn.
Page size can be reduced by 1.7 MB (46%)
3.6 MB
1.9 MB
In fact, the total size of Oto.edu.vn main page is 3.6 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. 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. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 52.4 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. 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 52.4 kB or 78% of the original size.
Potential reduce by 64.6 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. Oto images are well optimized though.
Potential reduce by 931.1 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 931.1 kB or 68% of the original size.
Potential reduce by 611.7 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. Oto.edu.vn needs all CSS files to be minified and compressed as it can save up to 611.7 kB or 83% of the original size.
Number of requests can be reduced by 75 (54%)
138
63
The browser has sent 138 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 55 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.
oto.edu.vn
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oto.edu.vn 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
oto.edu.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
oto.edu.vn SEO score
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
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oto.edu.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 Oto.edu.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.
oto.edu.vn
Open Graph data is detected on the main page of Oto. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: