2.6 sec in total
476 ms
1.8 sec
336 ms
Visit dbb-valves.com now to see the best up-to-date Dbb Valves content and also check out these interesting facts you probably never knew about dbb-valves.com
Alco Valves is an established manufacturer of high-quality valves for many applications including double block & bleed valves, instrumentation valves and more.
Visit dbb-valves.comWe analyzed Dbb-valves.com page load time and found that the first response time was 476 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
dbb-valves.com performance score
name
value
score
weighting
Value8.5 s
0/100
10%
Value17.6 s
0/100
25%
Value33.0 s
0/100
10%
Value2,760 ms
3/100
30%
Value0.201
61/100
15%
Value25.5 s
0/100
10%
476 ms
76 ms
80 ms
106 ms
81 ms
Our browser made a total of 113 requests to load all elements on the main page. We found that 89% of them (101 requests) were addressed to the original Dbb-valves.com, 5% (6 requests) were made to New.alco-valves.com and 2% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (720 ms) belongs to the original domain Dbb-valves.com.
Page size can be reduced by 803.0 kB (42%)
1.9 MB
1.1 MB
In fact, the total size of Dbb-valves.com main page is 1.9 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. 60% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 49.7 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 49.7 kB or 71% of the original size.
Potential reduce by 144.6 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. Obviously, Dbb Valves needs image optimization as it can save up to 144.6 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 418.4 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 418.4 kB or 72% of the original size.
Potential reduce by 190.3 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. Dbb-valves.com needs all CSS files to be minified and compressed as it can save up to 190.3 kB or 85% of the original size.
Number of requests can be reduced by 60 (54%)
112
52
The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dbb Valves. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
dbb-valves.com
476 ms
base.css
76 ms
minimalist.css
80 ms
default.css
106 ms
skin.css
81 ms
container.css
79 ms
Container-01.css
100 ms
portal.css
108 ms
full_author_bio.css
109 ms
Light.css
110 ms
BlogTwo.css
145 ms
prettyPhoto.css
136 ms
ComboBox.Default.css
139 ms
module.css
141 ms
callisto.css
142 ms
jquery.min.js
52 ms
jquery-ui.min.js
85 ms
Boxed.css
183 ms
layout-medium.css
184 ms
text-small.css
184 ms
eds1.8.2.js
262 ms
WebResource.axd
166 ms
WebResource.axd
187 ms
jquery.mousewheel.min.js
169 ms
jquery.tinyscrollbar.js
179 ms
plusone.js
68 ms
flowplayer.min.js
183 ms
jquery.chameleonSlider.min.js
190 ms
jquery.prettyPhoto.js
191 ms
swfobject.js
234 ms
jquery.cookie.js
235 ms
category_menu.js
236 ms
Telerik.Web.UI.WebResource.axd
287 ms
dnn.js
264 ms
ControlPanel.debug.js
282 ms
jquery.hoverIntent.min.js
283 ms
dnn.jquery.js
282 ms
dnnactions.debug.js
283 ms
dnncore.js
283 ms
dnn.modalpopup.js
301 ms
jquery.rateit.js
301 ms
initWidgets.js
298 ms
ga.js
41 ms
__utm.gif
53 ms
twitter-icon.jpg
288 ms
FPAL%20Registered.jpg
321 ms
BVAA15Logo.png
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GracoVLogo.png
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UKAS%20LOGO.jpg
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dotty-10_grey-back.png
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AVGHeaderV3.jpg
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facebook-logo3.jpg
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linkedin-logo3.jpg
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border.gif
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boxed.gif
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opened.gif
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icon-layout-small.gif
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icon-layout-medium-on.gif
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icon-layout-large.gif
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icon-text-small-on.gif
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icon-text-medium.gif
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min.gif
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united-kingdom.png
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united-states-of-america.png
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singapore.png
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spacer.gif
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QA_2014_BW.jpg
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UVDB%20LOGO.jpg
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cb=gapi.loaded_0
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layouttopleft.png
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layouttopright.png
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layouttop.png
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layoutleft.png
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layoutright.png
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user.gif
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login.gif
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menu.gif
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dbtl.gif
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searchbg.gif
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dbtr.gif
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option.gif
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c1-1.png
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sidebar_article_second_bg.png
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module_title_background.png
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item_bg.png
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layoutbotleft.png
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DotNetNukeAjaxShared.js
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ChameleonData.ashx
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layoutbotright.png
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layoutbot.png
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ok.gif
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loading_grey.gif
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widgets.js
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transparent_black_bg.png
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u3ihwfne.jpg
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co4zz1go.jpg
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tawiagyp.jpg
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zgmexw0s.jpg
720 ms
dbb-valves.com 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-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
dbb-valves.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
dbb-valves.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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dbb-valves.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 Dbb-valves.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.
dbb-valves.com
Open Graph description is not detected on the main page of Dbb Valves. 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: