2.7 sec in total
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Click here to check amazing National BIM Library content for United States. Otherwise, check out these important facts you probably never knew about nationalbimlibrary.com
NBS Source is the new home of the NBS National BIM Library - BIM objects and Revit families (free to download). Free BIM objects and Revit families authored to trusted NBS standards. Thousands of gene...
Visit nationalbimlibrary.comWe analyzed Nationalbimlibrary.com page load time and found that the first response time was 248 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
nationalbimlibrary.com performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value12.2 s
0/100
25%
Value11.1 s
6/100
10%
Value2,460 ms
4/100
30%
Value0
100/100
15%
Value24.6 s
0/100
10%
248 ms
367 ms
24 ms
313 ms
156 ms
Our browser made a total of 118 requests to load all elements on the main page. We found that 58% of them (68 requests) were addressed to the original Nationalbimlibrary.com, 14% (16 requests) were made to Pis.ribaenterprises.com and 8% (10 requests) were made to Ribaproductselector.com. The less responsive or slowest element that took the longest time to load (740 ms) relates to the external source Pis.ribaenterprises.com.
Page size can be reduced by 517.2 kB (49%)
1.1 MB
536.8 kB
In fact, the total size of Nationalbimlibrary.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 405.3 kB which makes up the majority of the site volume.
Potential reduce by 66.6 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 15.6 kB, which is 18% 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 66.6 kB or 75% of the original size.
Potential reduce by 55.0 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, National BIM Library needs image optimization as it can save up to 55.0 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 159.8 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 159.8 kB or 58% of the original size.
Potential reduce by 235.8 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. Nationalbimlibrary.com needs all CSS files to be minified and compressed as it can save up to 235.8 kB or 83% of the original size.
Number of requests can be reduced by 62 (58%)
107
45
The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of National BIM Library. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
nationalbimlibrary.com
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nationalbimlibrary.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
nationalbimlibrary.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
Browser errors were logged to the console
Page has valid source maps
nationalbimlibrary.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
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nationalbimlibrary.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 Nationalbimlibrary.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.
nationalbimlibrary.com
Open Graph description is not detected on the main page of National BIM Library. 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: