19.9 sec in total
2.9 sec
16.5 sec
515 ms
Welcome to bsr.com.vn homepage info - get ready to check Bsr best content for Vietnam right away, or after learning these important things about bsr.com.vn
CÔNG TY TNHH MTV LỌC - HÓA DẦU BÌNH SƠN
Visit bsr.com.vnWe analyzed Bsr.com.vn page load time and found that the first response time was 2.9 sec and then it took 17 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
bsr.com.vn performance score
name
value
score
weighting
Value7.9 s
1/100
10%
Value12.8 s
0/100
25%
Value22.2 s
0/100
10%
Value180 ms
92/100
30%
Value0.009
100/100
15%
Value12.1 s
16/100
10%
2869 ms
2142 ms
1514 ms
23 ms
1813 ms
Our browser made a total of 99 requests to load all elements on the main page. We found that 81% of them (80 requests) were addressed to the original Bsr.com.vn, 16% (16 requests) were made to Oil-price.net and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (8.8 sec) belongs to the original domain Bsr.com.vn.
Page size can be reduced by 702.7 kB (23%)
3.1 MB
2.4 MB
In fact, the total size of Bsr.com.vn main page is 3.1 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. 55% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.
Potential reduce by 85.0 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 19.8 kB, which is 18% 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 85.0 kB or 77% of the original size.
Potential reduce by 101.2 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. Bsr images are well optimized though.
Potential reduce by 464.3 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 464.3 kB or 81% of the original size.
Potential reduce by 52.2 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. Bsr.com.vn needs all CSS files to be minified and compressed as it can save up to 52.2 kB or 86% of the original size.
Number of requests can be reduced by 24 (25%)
97
73
The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bsr. 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 6 to 1 for CSS and as a result speed up the page load time.
bsr.com.vn
2869 ms
2142 ms
bsr.css
1514 ms
css
23 ms
jquery-1.8.2.min.js
1813 ms
jquery.carouFredSel-6.1.0-packed.js
1466 ms
jquery.mousewheel-3.0.4.pack.js
531 ms
jquery.fancybox-1.3.4.pack.js
1037 ms
jquery.fancybox-1.3.4.css
1055 ms
weather.min.js
52 ms
menu.css
1329 ms
nivo-slider.css
1339 ms
jquery.nivo.slider.pack.js
1516 ms
WebResource.axd
1356 ms
ScriptResource.axd
1610 ms
ScriptResource.axd
1223 ms
default.css
1026 ms
gen.php
187 ms
gen.php
190 ms
bsr_logo.png
267 ms
bsr_rightLineMenu.png
260 ms
Slide-1569.jpg
1015 ms
Slide-37404.jpg
1280 ms
Slide-53691.jpg
1063 ms
Slide-0430.jpg
1260 ms
Slide-8635.jpg
1065 ms
Slide-25249.jpg
1292 ms
Slide-37121.jpg
1286 ms
Slide-43813.jpg
1840 ms
Slide-5250.jpg
1599 ms
Slide-59382.jpg
2035 ms
Slide-7104.jpg
1555 ms
Slide-1513.jpg
1562 ms
Slide-29880.jpg
1807 ms
Slide-36978.jpg
1906 ms
Slide-44653.jpg
1858 ms
Slide-57165.jpg
2113 ms
Slide-786.jpg
2089 ms
resizeimg.aspx
2526 ms
resizeimg.aspx
3567 ms
resizeimg.aspx
4107 ms
resizeimg.aspx
4315 ms
start.png
2352 ms
resizeimg.aspx
4978 ms
resizeimg.aspx
3037 ms
resizeimg.aspx
6500 ms
resizeimg.aspx
7169 ms
resizeimg.aspx
4886 ms
resizeimg.aspx
8597 ms
resizeimg.aspx
5622 ms
resizeimg.aspx
5967 ms
resizeimg.aspx
6268 ms
resizeimg.aspx
7641 ms
resizeimg.aspx
6216 ms
resizeimg.aspx
8818 ms
resizeimg.aspx
6265 ms
resizeimg.aspx
6474 ms
gradient.png
135 ms
gradient.png
131 ms
1m_small.gif
130 ms
hover_1m.png
129 ms
button_1m.png
128 ms
1q_small.gif
157 ms
hover_1q.png
159 ms
button_1q.png
162 ms
1y_small.gif
160 ms
hover_1y.png
161 ms
button_1y.png
162 ms
5y_small.gif
192 ms
hover_5y.png
192 ms
button_5y.png
193 ms
tygia.ashx
5800 ms
giavang.ashx
6159 ms
readXML.ashx
6213 ms
resizeimg.aspx
7691 ms
resizeimg.aspx
7775 ms
resizeimg.aspx
8340 ms
resizeimg.aspx
6661 ms
resizeimg.aspx
7211 ms
ajax-loader.gif
7302 ms
TV-anh_home.jpg
7448 ms
TV-video_home.jpg
7335 ms
bgrBanner.png
7368 ms
normal_item.png
7456 ms
left_item.png
7412 ms
right_item.png
7303 ms
center_item.png
7313 ms
bsr_rightMenu.jpg
7359 ms
loading.gif
7219 ms
loading.gif
7056 ms
circle.png
6551 ms
bsr_bgr_Action.png
6090 ms
bsr_lineHeader.png
5623 ms
square.png
5514 ms
bsr_titleOil.png
4952 ms
29.gif
13 ms
1062 ms
arrows.png
274 ms
bullets.png
262 ms
bsr.com.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.
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
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
bsr.com.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
Displays images with incorrect aspect ratio
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
Issues were logged in the Issues panel in Chrome Devtools
bsr.com.vn 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
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bsr.com.vn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Bsr.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.
bsr.com.vn
Open Graph description is not detected on the main page of Bsr. 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: