7.3 sec in total
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Click here to check amazing Delval content. Otherwise, check out these important facts you probably never knew about delval.com
Delval offers boiler room equipment, service, rental and support for Commonwealth of PA, Delaware, Maryland, and parts of surrounding area.
Visit delval.comWe analyzed Delval.com page load time and found that the first response time was 1.7 sec and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
delval.com performance score
name
value
score
weighting
Value6.4 s
2/100
10%
Value18.2 s
0/100
25%
Value15.2 s
1/100
10%
Value1,280 ms
18/100
30%
Value0.501
16/100
15%
Value23.7 s
1/100
10%
1653 ms
378 ms
258 ms
266 ms
337 ms
Our browser made a total of 100 requests to load all elements on the main page. We found that 96% of them (96 requests) were addressed to the original Delval.com, 2% (2 requests) were made to Google.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Delval.com.
Page size can be reduced by 1.0 MB (18%)
5.5 MB
4.5 MB
In fact, the total size of Delval.com main page is 5.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.0 MB which makes up the majority of the site volume.
Potential reduce by 128.1 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 128.1 kB or 84% of the original size.
Potential reduce by 14.3 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. Delval images are well optimized though.
Potential reduce by 354.3 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 354.3 kB or 50% of the original size.
Potential reduce by 511.1 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. Delval.com needs all CSS files to be minified and compressed as it can save up to 511.1 kB or 87% of the original size.
Number of requests can be reduced by 39 (41%)
94
55
The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delval. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
delval.com
1653 ms
style.min.css
378 ms
styles.min.css
258 ms
style.css
266 ms
all.css
337 ms
slick.css
208 ms
slick-lightbox.css
206 ms
woocommerce.css
475 ms
jquery.min.js
414 ms
jquery-migrate.min.js
320 ms
jquery.blockUI.min.js
331 ms
add-to-cart.min.js
384 ms
js.cookie.min.js
398 ms
woocommerce.min.js
401 ms
js
62 ms
formreset.min.css
309 ms
formsmain.min.css
488 ms
readyclass.min.css
336 ms
browsers.min.css
339 ms
navigation.js
486 ms
jquery.responsiveTabs.min.js
486 ms
slick.js
487 ms
slick-lightbox.min.js
487 ms
custom.js
488 ms
api.js
47 ms
wp-polyfill-inert.min.js
487 ms
regenerator-runtime.min.js
488 ms
wp-polyfill.min.js
571 ms
dom-ready.min.js
489 ms
hooks.min.js
490 ms
i18n.min.js
490 ms
a11y.min.js
569 ms
jquery.json.min.js
570 ms
gravityforms.min.js
571 ms
conditional_logic.min.js
572 ms
api.js
67 ms
placeholders.jquery.min.js
573 ms
utils.min.js
574 ms
vendor-theme.min.js
573 ms
scripts-theme.min.js
600 ms
frontend.min.js
538 ms
constant-contact.svg
187 ms
Delval-logo-update-21Jun2020-02-01.svg
208 ms
delval-warehouses-banner.jpg
379 ms
Web-Banner-CLearFire.jpg
414 ms
Web-Banner-Water-Treatment.jpg
385 ms
Web-Banner-Engineering-1.jpg
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2944-e1620151441801-300x300.jpeg
377 ms
CFC-E-firetube-condensing-boilers-and-Intellihot-instantaneous-hot-water-heaters-300x300.jpg
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Steam-Boilers-Utility-Plant-e1604695505100-300x300.jpg
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MD-pharmaceutical-company-1-e1602178827287-300x300.jpg
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PA-River-300p.jpg
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Hawk-Control-Upgrade-300.jpg
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check-your-boilers-back-up-fuel-300x200-1.jpg
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prepare-your-boiler-for-winter-in-15-steps-300x200-1.jpg
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burner-and-control-conversion-on-a-Burnham-boiler-Cleaver-Brooks-Hawk-4000-Controls-300x500-1.jpg
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20160812_124235_resized-Rental-500x300-1.jpg
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20190314_095146-JM-Full-Retube-Major-Production-Facility-in-PA-300x500-1.jpg
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Water-Treatment-1-300x500-1.jpg
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advanced-radiant-systems.jpg
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advantage-controls.jpg
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advanced-mechanical-technologies.jpg
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autoflame.jpg
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bfs-industries.jpg
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canon-boiler-works-inc.jpg
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centrotherm.jpg
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cleaver-brooks.jpg
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nebraska-boiler-resized.jpg
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columbia-boiler.jpg
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critical-fuel-systems.jpg
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Delval-Logo-Color-NEW-300-x-150.jpg
652 ms
dftinc.jpg
652 ms
etter-engineering.jpg
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fireye.jpg
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Arimo-Regular.otf
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fa-brands-400.woff
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fa-solid-900.woff
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fa-regular-400.woff
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Arimo-Bold.otf
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grundfos.jpg
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Profire-Logo-2.jpg
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intellihot.jpg
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mrpex-systems.jpg
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Natcom_Logo-300x150-v2.jpg
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neptune-pump.jpg
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niles-steel-tank.jpg
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raypak.jpg
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res-kem.jpg
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siemens.jpg
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thrush-co-inc.jpg
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recaptcha__en.js
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van-packer-company.jpg
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camus-hydronics-ltd.jpg
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duravent.jpg
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Hubbell.jpg
468 ms
perma-pipe.jpg
468 ms
delval-gray-flame-bgnd.png
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delval.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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
delval.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
delval.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Delval.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 Delval.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.
delval.com
Open Graph data is detected on the main page of Delval. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: