1.7 sec in total
61 ms
1.3 sec
301 ms
Welcome to construction.tyvek.co.uk homepage info - get ready to check Construction Tyvek best content right away, or after learning these important things about construction.tyvek.co.uk
Innovative DuPont™ Tyvek® building envelope systems are the proven way to prevent air and moisture infiltration, and improve energy efficiency.
Visit construction.tyvek.co.ukWe analyzed Construction.tyvek.co.uk page load time and found that the first response time was 61 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.
construction.tyvek.co.uk performance score
name
value
score
weighting
Value7.1 s
1/100
10%
Value11.0 s
0/100
25%
Value10.8 s
6/100
10%
Value3,220 ms
2/100
30%
Value0.001
100/100
15%
Value19.4 s
2/100
10%
61 ms
117 ms
112 ms
42 ms
61 ms
Our browser made a total of 108 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Construction.tyvek.co.uk, 63% (68 requests) were made to Dupont.co.uk and 25% (27 requests) were made to Eidupont.scene7.com. The less responsive or slowest element that took the longest time to load (538 ms) relates to the external source Dupont.co.uk.
Page size can be reduced by 2.5 MB (22%)
11.5 MB
9.0 MB
In fact, the total size of Construction.tyvek.co.uk main page is 11.5 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. 85% 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 8.6 MB which makes up the majority of the site volume.
Potential reduce by 126.2 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. This page needs HTML code to be minified as it can gain 34.7 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 126.2 kB or 88% of the original size.
Potential reduce by 206.7 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. Construction Tyvek images are well optimized though.
Potential reduce by 1.8 MB
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 1.8 MB or 77% of the original size.
Potential reduce by 404.1 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. Construction.tyvek.co.uk needs all CSS files to be minified and compressed as it can save up to 404.1 kB or 84% of the original size.
Number of requests can be reduced by 33 (32%)
104
71
The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Construction Tyvek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
construction.tyvek.co.uk
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tyvek-building-envelope.html
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construction.tyvek.co.uk 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
Form elements do not have associated labels
Links do not have a discernible name
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
construction.tyvek.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Requests the geolocation permission on page load
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
construction.tyvek.co.uk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Construction.tyvek.co.uk 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 Construction.tyvek.co.uk 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.
construction.tyvek.co.uk
Open Graph description is not detected on the main page of Construction Tyvek. 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: