3.5 sec in total
401 ms
3.1 sec
64 ms
Visit isc-hvac.com now to see the best up-to-date Isc HVAC content and also check out these interesting facts you probably never knew about isc-hvac.com
For 47 years, Interstate Service Company has been one of the Washington area's leading commercial and industrial HVAC-R companies. Our team can expertly assess and manage all your heating, cooling and...
Visit isc-hvac.comWe analyzed Isc-hvac.com page load time and found that the first response time was 401 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
isc-hvac.com performance score
name
value
score
weighting
Value2.1 s
81/100
10%
Value7.5 s
4/100
25%
Value3.3 s
90/100
10%
Value330 ms
76/100
30%
Value0.005
100/100
15%
Value12.4 s
14/100
10%
401 ms
35 ms
41 ms
36 ms
39 ms
Our browser made a total of 85 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Isc-hvac.com, 58% (49 requests) were made to Static.wixstatic.com and 24% (20 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Static.wixstatic.com.
Page size can be reduced by 350.4 kB (35%)
992.2 kB
641.7 kB
In fact, the total size of Isc-hvac.com main page is 992.2 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. 40% of websites need less resources to load. Images take 382.4 kB which makes up the majority of the site volume.
Potential reduce by 288.2 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 288.2 kB or 76% of the original size.
Potential reduce by 59.4 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. Obviously, Isc HVAC needs image optimization as it can save up to 59.4 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 2.8 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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 11 (17%)
65
54
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isc HVAC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
www.isc-hvac.com
401 ms
originTrials.41d7301a.bundle.min.js
35 ms
minified.js
41 ms
focus-within-polyfill.js
36 ms
polyfill.min.js
39 ms
thunderbolt-commons.ec68bee9.bundle.min.js
32 ms
main.f286c407.bundle.min.js
193 ms
lodash.min.js
165 ms
react.production.min.js
178 ms
react-dom.production.min.js
179 ms
siteTags.bundle.min.js
177 ms
wix-perf-measure.umd.min.js
193 ms
Interstate-Service-Company-Logo-Final_pn.png
308 ms
bundle.min.js
75 ms
b8148c_1a9a4589f05543f792b8b782259282a7~mv2_d_4032_3024_s_4_2.jpg
615 ms
b8148c_69f2bf192b764a88b56808f576ec7173~mv2.png
553 ms
b8148c_346a217cfcb4486c8bb1eb39e318e7bf~mv2_d_2048_1536_s_2.jpg
590 ms
c19c76_376dc1d20bd348b99c4a732a1d6d7c81.png
254 ms
56835739_2289391037949332_24343189844142.jpg
449 ms
492964_Viator_Getty_355945.jpg
468 ms
Kenny%20Headshot.jpg
554 ms
Heather%20headshot%201.jpg
673 ms
_joy0156%20copy_edited.png
849 ms
Steve%20D%20headshot.jpg
967 ms
_joy0139%20copy_edited.png
887 ms
James%20Solano%20headshot.jpg
928 ms
Diane%20favorite%20Headshot%20DSC_3412.jpg
1000 ms
Renee%20headshot.jpg
1093 ms
Kiisa%20headshot.jpg
1111 ms
Amanda%20headshot.jpg
1406 ms
c19c76_22d8ec47d1484b09a9c333e4141a12a0.jpg
930 ms
b31d0e84cb714761b2b1f06c305023c7.jpg
933 ms
Mustang%20Sally%20Brewery.jpg
1224 ms
b8148c_004175fdd3ee43fc8c187e43621e7695~mv2.jpg
1243 ms
82fb13_e76691975b4d4bdcbd0c8487b6b287ce~mv2.jpg
1345 ms
82fb13_57eb2bba49be412b825392b1c0b5ac97~mv2.jpg
1418 ms
f7133f9895b24525a2ad16c1e778c9fa.jpg
1115 ms
d69f20184cf54a40a9632c4d33ceb2bb.jpg
1117 ms
ef7ea5acd46045038a8f5e469335fe51.jpg
1120 ms
ce5a4db9b9424b1ba30910f19497cb4f.jpg
1227 ms
b8148c_616dd5cc5ad8421bad97ff36f7b35e3c~mv2_d_2250_3000_s_2.jpg
1545 ms
b8148c_30e6af9fe9e3421089f2c46554b91d4f~mv2_d_2730_4096_s_4_2.jpg
1557 ms
b8148c_4a69ac55ae34474f807d785f2a6fb867~mv2_d_2730_4096_s_4_2.jpg
1587 ms
carrier2.png
1577 ms
goodman2.png
1786 ms
BACLogo_CMYK_400x400.png
1691 ms
Mitsubishi_Electric_logo_svg.png
1749 ms
1200px-Trane_logo_svg.png
1767 ms
lennox2.png
1851 ms
173 ms
169 ms
163 ms
167 ms
166 ms
161 ms
187 ms
183 ms
180 ms
179 ms
179 ms
179 ms
4021a3b9-f782-438b-aeb4-c008109a8b64.woff
10 ms
b56b944e-bbe0-4450-a241-de2125d3e682.woff
31 ms
6f8d1983-4d34-4fa4-9110-988f6c495757.woff
31 ms
c5749443-93da-4592-b794-42f28d62ef72.woff
31 ms
192dac76-a6d9-413d-bb74-22308f2e0cc5.woff
30 ms
0a3939d0-3833-4db3-8b85-f64c2b3350d2.woff
30 ms
61bd362e-7162-46bd-b67e-28f366c4afbe.woff
31 ms
Maytag-Brand-Logo.png
1667 ms
samsung-logo-4.png
1671 ms
db2.png
1560 ms
bryant2.png
1512 ms
liebert_logo.png
1465 ms
york-logo.png
1617 ms
rheem-logo-9CD7C3B32C-seeklogo_com.png
1555 ms
EVAPCO_Logo-on-dark.png
1693 ms
20190409_135100.jpg
1449 ms
ua2-logo_jpg.png
1386 ms
wpo%20smaller.png
1357 ms
mca-logo.png
1441 ms
steampipefitters602.png
1456 ms
deprecation-en.v5.html
5 ms
bolt-performance
18 ms
deprecation-style.v5.css
6 ms
right-arrow.svg
6 ms
isc-hvac.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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
isc-hvac.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
isc-hvac.com SEO score
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 Isc-hvac.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 Isc-hvac.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.
isc-hvac.com
Open Graph data is detected on the main page of Isc HVAC. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: