10.1 sec in total
2 sec
7.8 sec
284 ms
Visit tedi.vn now to see the best up-to-date TEDI content for Vietnam and also check out these interesting facts you probably never knew about tedi.vn
Tổng Công ty Tư vấn thiết kế GTVT (TEDI) tiền thân là Viện thiết kế GTVT thành lập từ năm 1962, là đơn vị hàng đầu về Tư vấn, Thiết kế cơ sở hạ tầng giao thông ở Việt Nam.
Visit tedi.vnWe analyzed Tedi.vn page load time and found that the first response time was 2 sec and then it took 8.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster. This domain responded with an error, which can significantly jeopardize Tedi.vn rating and web reputation
tedi.vn performance score
name
value
score
weighting
Value8.3 s
0/100
10%
Value29.9 s
0/100
25%
Value29.5 s
0/100
10%
Value3,080 ms
2/100
30%
Value0.508
16/100
15%
Value35.6 s
0/100
10%
2019 ms
25 ms
2183 ms
1539 ms
980 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 89% of them (47 requests) were addressed to the original Tedi.vn, 6% (3 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.6 sec) belongs to the original domain Tedi.vn.
Page size can be reduced by 705.1 kB (34%)
2.1 MB
1.4 MB
In fact, the total size of Tedi.vn main page is 2.1 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. 65% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 40.0 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 19.1 kB, which is 41% 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 40.0 kB or 86% of the original size.
Potential reduce by 145.0 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, TEDI needs image optimization as it can save up to 145.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 265.3 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 265.3 kB or 74% of the original size.
Potential reduce by 254.7 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. Tedi.vn needs all CSS files to be minified and compressed as it can save up to 254.7 kB or 85% of the original size.
Number of requests can be reduced by 22 (51%)
43
21
The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TEDI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
tedi.vn
2019 ms
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bootstrap.css
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font-awesome.css
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theme.css
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theme-elements.css
1541 ms
theme-blog.css
1285 ms
theme-animate.css
1360 ms
flexslider.css
1597 ms
default.css
1640 ms
custom.css
1831 ms
modernizr.js
1851 ms
ScriptResource.axd
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1407 ms
jquery-cookie.js
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bootstrap.js
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common.js
1100 ms
theme.js
1668 ms
jquery.flexslider.js
1701 ms
wow.min.js
1436 ms
view.home.js
1392 ms
custom.js
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theme.init.js
1703 ms
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tedi.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
button, link, and menuitem elements do not have accessible names.
ARIA IDs are not unique
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
Form elements do not have associated labels
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
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.
tedi.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Requests the geolocation permission on page load
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Issues were logged in the Issues panel in Chrome Devtools
tedi.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
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 Tedi.vn 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 Tedi.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.
tedi.vn
Open Graph description is not detected on the main page of TEDI. 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: