2 sec in total
213 ms
1.5 sec
201 ms
Visit hvacexpress.com now to see the best up-to-date HVAC Express content for United States and also check out these interesting facts you probably never knew about hvacexpress.com
High-quality ventilation products delivered quickly. American-made roof vents, wall vents, dryer vents, duct dampers, storm collars and more for commercial and residential use.
Visit hvacexpress.comWe analyzed Hvacexpress.com page load time and found that the first response time was 213 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
hvacexpress.com performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value5.4 s
20/100
25%
Value4.4 s
74/100
10%
Value1,730 ms
10/100
30%
Value0.001
100/100
15%
Value9.0 s
34/100
10%
213 ms
80 ms
588 ms
99 ms
120 ms
Our browser made a total of 83 requests to load all elements on the main page. We found that 8% of them (7 requests) were addressed to the original Hvacexpress.com, 30% (25 requests) were made to Cdn9.bigcommerce.com and 22% (18 requests) were made to Cdn1.bigcommerce.com. The less responsive or slowest element that took the longest time to load (588 ms) belongs to the original domain Hvacexpress.com.
Page size can be reduced by 111.5 kB (30%)
368.1 kB
256.6 kB
In fact, the total size of Hvacexpress.com main page is 368.1 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. 45% of websites need less resources to load. Javascripts take 183.6 kB which makes up the majority of the site volume.
Potential reduce by 60.5 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 16.5 kB, which is 24% 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 60.5 kB or 88% of the original size.
Potential reduce by 2.2 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. HVAC Express images are well optimized though.
Potential reduce by 42.8 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 42.8 kB or 23% of the original size.
Potential reduce by 6.0 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. Hvacexpress.com needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 29% of the original size.
Number of requests can be reduced by 46 (60%)
77
31
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HVAC Express. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
hvacexpress.com
213 ms
hvacexpress.com
80 ms
www.hvacexpress.com
588 ms
styles.css
99 ms
styles.css
120 ms
iselector.css
84 ms
flexslider.css
86 ms
slide-show.css
91 ms
styles-slide-show.css
84 ms
social.css
87 ms
gray.css
184 ms
product.attributes.css
94 ms
ui.all.css
95 ms
product.quickview.css
107 ms
store.css
111 ms
imodal.css
100 ms
js
127 ms
jquery.min.js
106 ms
menudrop.js
90 ms
common.js
91 ms
iselector.js
91 ms
viewport.js
91 ms
css2
92 ms
jquery-ui.min.js
106 ms
jquery.validate.js
107 ms
product.functions.js
109 ms
product.attributes.js
122 ms
quickview.js
118 ms
quickview.initialise.js
117 ms
jquery.form.js
119 ms
imodal.js
149 ms
loader.js
94 ms
quicksearch.js
119 ms
jquery.bgiframe.min.js
149 ms
superfish.js
150 ms
visitor.js
149 ms
pa-5f2c3b2e146aea0015000816.js
498 ms
csrf-protection-header-95f3d9ac8c049e3ed132c83a168cf1d6a8ed0237.js
149 ms
js
189 ms
analytics.js
234 ms
gtm.js
264 ms
BodyBg.gif
131 ms
aluminumwallvent__70429.1383137454.120.120.jpg
264 ms
Gray_Plastic_Roof_Cap_Vent__08653.1683817258.120.120.png
295 ms
motorized-zone-damper__58455.1703873539.120.120.jpg
187 ms
Globe%252520vent__05739.1383137500.120.120.jpg
187 ms
Plastic%252520roof%252520cap%252520%252528with%252520stem%252529%2525201__45034.1383137474.120.120.jpg
198 ms
motorized-zone-damper__03845.1703876125.120.120.jpg
218 ms
Galvanized%252520wall%252520cap__47020.1383137466.120.120.jpg
206 ms
J-vent%2525201__67077.1383137459.120.120.jpg
197 ms
Chimney-Vacuum-Cap-Round_2__14403.1592851646.120.120.jpg
206 ms
Wind_Directional_Cap_-_Galvanized_-_7_Inch_with_Screen___76194.1592845782.120.120.jpg
207 ms
Pipe%252520flashing%252520%252528standard%252520pitch%252529%2525201__16684.1383137504.120.120.jpg
217 ms
wall-vent-with-reversible-damper__36987.1383137481.120.120.JPG
216 ms
motorized-zone-damper__74725.1703876125.120.120.jpg
216 ms
New%252520-%252520Aluminum%252520wall%252520cap%2525201__52995.1383137471.120.120.jpg
216 ms
Gary_1092_-_Zipp_Air__59928.1672774138.120.120.jpg
218 ms
Globe%252520vent__16602.1383137500.120.120.jpg
220 ms
Storm%252520Collar__55672.1383137476.120.120.jpg
311 ms
Storm%252520Collar__65920.1383137486.120.120.jpg
228 ms
Storm%252520Collar__68477.1383137486.120.120.jpg
223 ms
ajax-loader.gif
43 ms
bg_menu.png
43 ms
Search.gif
39 ms
bg_sideblock.gif
114 ms
NewsletterSubscribe.gif
114 ms
bg_contenth2.gif
114 ms
IcoRating0.gif
136 ms
TopSellerNumber1Bg.png
136 ms
bg_sideli.gif
136 ms
TopSellerNumberBg.gif
183 ms
arrows-dark.png
183 ms
hvac_1676535383__37759.original.png
38 ms
index.php
179 ms
BD__19228.1383137452.120.120.gif
204 ms
infofaq.gif
346 ms
hvac-express-alternate-logo-1454454058-34243-1-.png
319 ms
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180 ms
pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GCC5ntA.ttf
192 ms
pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4G1ilntA.ttf
203 ms
collect
67 ms
js
62 ms
nobot
91 ms
hvacexpress.com accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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.
hvacexpress.com 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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
hvacexpress.com 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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hvacexpress.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Hvacexpress.com 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.
hvacexpress.com
Open Graph description is not detected on the main page of HVAC Express. 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: