1.9 sec in total
275 ms
1.4 sec
238 ms
Welcome to davis.com homepage info - get ready to check Davis best content for United States right away, or after learning these important things about davis.com
Since 1912, Davis Instruments has been one of the world's leading sources of test, measurement, control, and calibration instruments.
Visit davis.comWe analyzed Davis.com page load time and found that the first response time was 275 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
davis.com performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value9.1 s
1/100
25%
Value12.1 s
4/100
10%
Value7,670 ms
0/100
30%
Value0.22
57/100
15%
Value24.9 s
0/100
10%
275 ms
75 ms
178 ms
167 ms
214 ms
Our browser made a total of 119 requests to load all elements on the main page. We found that 58% of them (69 requests) were addressed to the original Davis.com, 13% (16 requests) were made to Static.davis.com and 4% (5 requests) were made to Static.coleparmer.com. The less responsive or slowest element that took the longest time to load (728 ms) belongs to the original domain Davis.com.
Page size can be reduced by 444.7 kB (41%)
1.1 MB
631.6 kB
In fact, the total size of Davis.com main page is 1.1 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. 55% of websites need less resources to load. Images take 532.0 kB which makes up the majority of the site volume.
Potential reduce by 126.8 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 36.1 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 126.8 kB or 85% of the original size.
Potential reduce by 49.1 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. Davis images are well optimized though.
Potential reduce by 232.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 232.8 kB or 66% of the original size.
Potential reduce by 36.0 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. Davis.com needs all CSS files to be minified and compressed as it can save up to 36.0 kB or 85% of the original size.
Number of requests can be reduced by 43 (37%)
115
72
The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Davis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
www.davis.com
275 ms
JqueryUICSS
75 ms
CSS
178 ms
jquery
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jqueryui
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css
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Davis_HomePage_slideshow.css
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HomePage_slideshow.js
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Davis_style.css
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checkout_davis.css
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WebResource.axd
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ScriptResource.axd
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ScriptResource.axd
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ScriptResource.axd
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Davis_amazon_scroller.css
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Davis_amazon_scroller.js
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getSeal
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Scripts
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ScriptResource.axd
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gtm.js
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ColeParmer_Print.css
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davis.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
[role] values are not valid
ARIA IDs are not unique
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
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
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.
davis.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
davis.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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Davis.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 Davis.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.
davis.com
Open Graph description is not detected on the main page of Davis. 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: