1.5 sec in total
69 ms
1.1 sec
310 ms
Visit derbigum.us now to see the best up-to-date Derbigum content and also check out these interesting facts you probably never knew about derbigum.us
Derbigum offers a comprehensive line of commercial roofing, waterproofing, wall system and civil engineering solutions to protect the full building envelope.
Visit derbigum.usWe analyzed Derbigum.us page load time and found that the first response time was 69 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
derbigum.us performance score
name
value
score
weighting
Value4.2 s
20/100
10%
Value19.3 s
0/100
25%
Value7.2 s
30/100
10%
Value710 ms
42/100
30%
Value0.39
26/100
15%
Value12.9 s
13/100
10%
69 ms
106 ms
22 ms
34 ms
91 ms
Our browser made a total of 101 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Derbigum.us, 5% (5 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (375 ms) relates to the external source Performanceroofsystems.us.
Page size can be reduced by 135.8 kB (4%)
3.5 MB
3.4 MB
In fact, the total size of Derbigum.us main page is 3.5 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. 75% 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 3.0 MB which makes up the majority of the site volume.
Potential reduce by 73.5 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 21.3 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 73.5 kB or 84% of the original size.
Potential reduce by 49.8 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. Derbigum images are well optimized though.
Potential reduce by 7.5 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.
Potential reduce by 5.1 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. Derbigum.us has all CSS files already compressed.
Number of requests can be reduced by 63 (68%)
92
29
The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derbigum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 53 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
performanceroofsystems.us
69 ms
performanceroofsystems.us
106 ms
style.min.css
22 ms
styles.css
34 ms
woocommerce-layout.css
91 ms
woocommerce.css
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css
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font-awesome.min.css
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style.css
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ted.css
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wp-polyfill-inert.min.js
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regenerator-runtime.min.js
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wp-polyfill.min.js
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hooks.min.js
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w.js
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jquery.min.js
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jquery.blockUI.min.js
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add-to-cart.min.js
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js.cookie.min.js
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woocommerce.min.js
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plugins.js
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script.js
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jon.js
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portal.js
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wc-blocks.css
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index.js
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sourcebuster.min.js
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order-attribution.min.js
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react.min.js
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escape-html.min.js
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element.min.js
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keycodes.min.js
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priority-queue.min.js
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compose.min.js
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private-apis.min.js
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redux-routine.min.js
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data.min.js
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lodash.min.js
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wc-blocks-registry.js
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url.min.js
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api-fetch.min.js
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wc-settings.js
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bootstrap.css
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data-controls.min.js
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primitives.min.js
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warning.min.js
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blocks-checkout.js
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order-attribution-blocks.min.js
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comment-reply.min.js
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g.gif
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gtm.js
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PRS_Logo_final.png
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LongTerm.jpg
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Support.jpg
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sopracant-3-150x150.jpg
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innovation.jpg
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sustainability.jpg
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History.jpg
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derbi-events.jpg
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logo_RESISTO.png
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TRP-2023.png
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activityi;src=6854279;type=invmedia;cat=u2ehxw3n;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;ord=8939859557431.191
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derbigum-slide1.jpg
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slick.woff
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analytics.js
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src=6854279;type=invmedia;cat=u2ehxw3n;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;ord=8939859557431.191
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collect
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woocommerce-smallscreen.css
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print.css
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derbigum.us accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA input fields do not have accessible names
ARIA toggle fields do not have accessible names
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
[id] attributes on active, focusable elements are not unique
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
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
Form elements do not have associated labels
Links do not have a discernible name
derbigum.us 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
derbigum.us SEO score
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Derbigum.us 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 Derbigum.us 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.
derbigum.us
Open Graph data is detected on the main page of Derbigum. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: