10.1 sec in total
1.5 sec
8.4 sec
255 ms
Click here to check amazing Edison Opto content for Vietnam. Otherwise, check out these important facts you probably never knew about edison-opto.com.vn
Đèn LED thương hiệu Edison-Opto, đơn vị tiên phong tại Việt Nam trong lĩnh vực tự sản xuất, lắp ráp Đèn LED, pin Năng lượng mặt trời và các thiết bị tiết kiệm Năng lượng
Visit edison-opto.com.vnWe analyzed Edison-opto.com.vn page load time and found that the first response time was 1.5 sec and then it took 8.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
edison-opto.com.vn performance score
name
value
score
weighting
Value5.4 s
7/100
10%
Value10.6 s
0/100
25%
Value12.5 s
3/100
10%
Value1,630 ms
12/100
30%
Value0.591
11/100
15%
Value13.7 s
11/100
10%
1494 ms
1386 ms
2038 ms
405 ms
530 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 64% of them (52 requests) were addressed to the original Edison-opto.com.vn, 12% (10 requests) were made to Static.xx.fbcdn.net and 10% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (5.1 sec) belongs to the original domain Edison-opto.com.vn.
Page size can be reduced by 192.9 kB (31%)
620.3 kB
427.4 kB
In fact, the total size of Edison-opto.com.vn main page is 620.3 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. 50% of websites need less resources to load. Images take 353.9 kB which makes up the majority of the site volume.
Potential reduce by 31.6 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 5.1 kB, which is 12% 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 31.6 kB or 75% of the original size.
Potential reduce by 7.1 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. Edison Opto images are well optimized though.
Potential reduce by 135.0 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 135.0 kB or 68% of the original size.
Potential reduce by 19.3 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. Edison-opto.com.vn needs all CSS files to be minified and compressed as it can save up to 19.3 kB or 78% of the original size.
Number of requests can be reduced by 41 (52%)
79
38
The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Edison Opto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
edison-opto.com.vn
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edison-opto.com.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
edison-opto.com.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
edison-opto.com.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Edison-opto.com.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 Edison-opto.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.
edison-opto.com.vn
Open Graph data is detected on the main page of Edison Opto. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: