2.8 sec in total
112 ms
2.3 sec
324 ms
Click here to check amazing HVAC Insulation Supplies content. Otherwise, check out these important facts you probably never knew about hvacinsulationsupplies.com
HVAC Insulation Supplies Co.,Ltd: Welcome to buy high quality lacing anchors, insulation pins, quilting pins, insulation washers and studding weld machine made in China from professional manufacturers...
Visit hvacinsulationsupplies.comWe analyzed Hvacinsulationsupplies.com page load time and found that the first response time was 112 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
hvacinsulationsupplies.com performance score
name
value
score
weighting
Value3.0 s
49/100
10%
Value3.6 s
61/100
25%
Value4.5 s
72/100
10%
Value230 ms
86/100
30%
Value0.857
4/100
15%
Value6.3 s
60/100
10%
112 ms
145 ms
91 ms
102 ms
97 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 98% of them (50 requests) were addressed to the original Hvacinsulationsupplies.com, 2% (1 request) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (520 ms) belongs to the original domain Hvacinsulationsupplies.com.
Page size can be reduced by 59.5 kB (7%)
796.7 kB
737.1 kB
In fact, the total size of Hvacinsulationsupplies.com main page is 796.7 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. 35% of websites need less resources to load. Images take 645.4 kB which makes up the majority of the site volume.
Potential reduce by 20.3 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 20.3 kB or 76% of the original size.
Potential reduce by 32.6 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 Insulation Supplies images are well optimized though.
Potential reduce by 459 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 6.2 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. Hvacinsulationsupplies.com needs all CSS files to be minified and compressed as it can save up to 6.2 kB or 16% of the original size.
Number of requests can be reduced by 23 (52%)
44
21
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HVAC Insulation Supplies. 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 7 to 1 for CSS and as a result speed up the page load time.
hvacinsulationsupplies.com
112 ms
www.hvacinsulationsupplies.com
145 ms
bootstrap.min.css
91 ms
swiper.min.css
102 ms
style.css
97 ms
index.css
103 ms
index_about.css
104 ms
animations.css
99 ms
jquery-3.3.1.min.js
178 ms
Site_Common.js
172 ms
email-decode.min.js
100 ms
js174.js
217 ms
bootstrap.min.js
218 ms
comment.js
217 ms
modernizr.custom.js
219 ms
fsbs.min.js
261 ms
inscroll.js
262 ms
swiper.min.js
277 ms
promation.js
267 ms
feedback.css
468 ms
addthis_widget.js
17 ms
1639124575565926.png
93 ms
1639124701439971.jpeg
158 ms
1639124717366724.jpeg
421 ms
1639124738896938.jpeg
144 ms
insulation-jackets-lacing-anchors43583675241.jpg
155 ms
316-stainless-steel-lacing-anchors03041933492.jpg
177 ms
304-stainless-steel-lacing-anchors46430676267.jpg
287 ms
lacing-anchors-stainless-steel47488697961.jpg
255 ms
1639124753261112.jpeg
271 ms
pd-hover-arrow.png
256 ms
insulation-jackets-lacing-hooks48518305752.jpg
338 ms
removable-insulation-blanket-lacing-hooks49519953337.jpg
343 ms
1639124936324994.jpeg
344 ms
nopic.png
355 ms
202001101420046640004.jpg
390 ms
202001101417085527648.jpg
441 ms
code.php
442 ms
online.png
426 ms
tel.png
443 ms
email.png
471 ms
skype.png
500 ms
wechat.png
516 ms
mobile.png
520 ms
s
104 ms
present2.png
96 ms
present1.png
105 ms
raleway-light-webfont.ttf
309 ms
fd_img.png
86 ms
top.png
108 ms
main.js
8 ms
hvacinsulationsupplies.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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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.
hvacinsulationsupplies.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
hvacinsulationsupplies.com 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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hvacinsulationsupplies.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Hvacinsulationsupplies.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.
hvacinsulationsupplies.com
Open Graph description is not detected on the main page of HVAC Insulation Supplies. 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: