7.8 sec in total
556 ms
6.7 sec
592 ms
Visit hvacr.vn now to see the best up-to-date HVACR content for Vietnam and also check out these interesting facts you probably never knew about hvacr.vn
Heating, Ventilation, Air Conditioning & Refrigeration - Website, Diễn đàn Cộng đồng Cơ Điện Lạnh Việt Nam. Nơi đây các bạn có thể tìm hiểu và thảo luận về...
Visit hvacr.vnWe analyzed Hvacr.vn page load time and found that the first response time was 556 ms and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
hvacr.vn performance score
name
value
score
weighting
Value4.8 s
11/100
10%
Value6.6 s
8/100
25%
Value10.9 s
6/100
10%
Value4,670 ms
0/100
30%
Value0
100/100
15%
Value12.8 s
13/100
10%
556 ms
779 ms
803 ms
757 ms
82 ms
Our browser made a total of 82 requests to load all elements on the main page. We found that 29% of them (24 requests) were addressed to the original Hvacr.vn, 15% (12 requests) were made to Apis.google.com and 12% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Cdn.hvacr.vn.
Page size can be reduced by 594.4 kB (39%)
1.5 MB
949.1 kB
In fact, the total size of Hvacr.vn main page is 1.5 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. 60% of websites need less resources to load. Images take 814.8 kB which makes up the majority of the site volume.
Potential reduce by 63.4 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 63.4 kB or 78% of the original size.
Potential reduce by 69.9 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. HVACR images are well optimized though.
Potential reduce by 259.2 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 259.2 kB or 64% of the original size.
Potential reduce by 201.8 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. Hvacr.vn needs all CSS files to be minified and compressed as it can save up to 201.8 kB or 83% of the original size.
Number of requests can be reduced by 34 (44%)
77
43
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HVACR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
hvacr.vn
556 ms
779 ms
css.php
803 ms
css.php
757 ms
jquery.min.js
82 ms
xenforo.js
1931 ms
mudim.js
627 ms
ga.js
77 ms
__utm.gif
11 ms
2530 ms
10.gif
37 ms
1432 ms
Forum-Banner-v3.png
633 ms
bg.jpg
1521 ms
tu-hitachi-v2.gif
278 ms
danfoss_r0.png
246 ms
Contact-Banner.png
278 ms
hvacr_logo.png
521 ms
XolzcdHOvcQ
212 ms
category-23px-light.png
490 ms
xenforo-ui-sprite.png
491 ms
form-button-white-25px.png
775 ms
likebox.php
345 ms
navigation-tab.png
769 ms
clear.png
769 ms
client:plusone.js
175 ms
sdk.js
208 ms
widgets.js
63 ms
adv_side_portal.php
737 ms
ajaxload.info_FFFFFF_facebook.gif
762 ms
button.831500944bc3eb7ea5276ccdc3f71d2e.js
12 ms
tweet_button.6a78875565a912489e9aef879c881358.vi.html
30 ms
www-embed-player-vflZsBgOl.css
124 ms
www-embed-player.js
161 ms
cb=gapi.loaded_0
172 ms
cb=gapi.loaded_1
171 ms
fastbutton
260 ms
fastbutton
450 ms
fastbutton
351 ms
fastbutton
351 ms
fastbutton
354 ms
fastbutton
350 ms
196 ms
xd_arbiter.php
196 ms
n7IAcY2jJIh.css
311 ms
n--mLoVmLJM.css
348 ms
_rx8naC75Dy.js
378 ms
x5F9OMjKyLw.js
414 ms
ICDbTSzjQEg.js
397 ms
TTCre3391I0.js
398 ms
1eJU4PjErWSV5LNTKFXcze5UHikZLg3viIH581vcHWA.js
216 ms
ad_status.js
219 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
243 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
249 ms
postmessageRelay
178 ms
rs=AGLTcCM2663ohUJhzmgMnKm2lBM6gjSrQg
40 ms
cb=gapi.loaded_0
84 ms
cb=gapi.loaded_1
116 ms
W5F8_SL0XFawnjxHGsZjJA.ttf
148 ms
api.js
50 ms
core:rpc:shindig.random:shindig.sha1.js
95 ms
2536007149-postmessagerelay.js
93 ms
jot.html
13 ms
734848_366435106803748_1354351627_n.jpg
41 ms
1451998_495805910533333_1373403768_n.png
41 ms
12742111_989538364468555_6374176163197930565_n.jpg
42 ms
46684_319379758197976_970929045_n.jpg
70 ms
11800315_499230073569982_8969382522631606858_n.jpg
41 ms
553597_403602746319050_2056762233_n.jpg
42 ms
12208722_538433642987604_3253089303679676751_n.jpg
41 ms
wL6VQj7Ab77.png
35 ms
s7jcwEQH7Sx.png
34 ms
toangiaphat.gif
514 ms
sekisui-foam.png
245 ms
firstgreen.jpg
237 ms
bitzer.gif
249 ms
trane.png
519 ms
camfil-mee.gif
270 ms
engreen.png
471 ms
wolter.gif
487 ms
I6-MnjEovm5.js
19 ms
vlXaquuXMrr.js
23 ms
hvacr.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.
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
hvacr.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
hvacr.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
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hvacr.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 Hvacr.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.
hvacr.vn
Open Graph description is not detected on the main page of HVACR. 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: