3.9 sec in total
299 ms
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Visit constructionbook.bnibooks.com now to see the best up-to-date Construction Book BNi Books content for United States and also check out these interesting facts you probably never knew about constructionbook.bnibooks.com
For 75 years, BNi Building News has been the nation's leading source for construction cost estimating books, square-foot cost data, building codes, electrical codes, Gypsum Association references,...
Visit constructionbook.bnibooks.comWe analyzed Constructionbook.bnibooks.com page load time and found that the first response time was 299 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
constructionbook.bnibooks.com performance score
name
value
score
weighting
Value3.1 s
48/100
10%
Value4.4 s
39/100
25%
Value5.7 s
51/100
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Value3,220 ms
2/100
30%
Value0.278
44/100
15%
Value14.0 s
10/100
10%
299 ms
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172 ms
254 ms
230 ms
Our browser made a total of 64 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Constructionbook.bnibooks.com, 64% (41 requests) were made to Bnibooks.com and 16% (10 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Bnibooks.com.
Page size can be reduced by 240.1 kB (6%)
4.3 MB
4.1 MB
In fact, the total size of Constructionbook.bnibooks.com main page is 4.3 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. 50% of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.
Potential reduce by 22.4 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 22.4 kB or 76% of the original size.
Potential reduce by 60.6 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. Construction Book BNi Books images are well optimized though.
Potential reduce by 36.9 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 36.9 kB or 29% of the original size.
Potential reduce by 120.2 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. Constructionbook.bnibooks.com needs all CSS files to be minified and compressed as it can save up to 120.2 kB or 82% of the original size.
Number of requests can be reduced by 12 (24%)
49
37
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Construction Book BNi Books. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
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constructionbook.bnibooks.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
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
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
constructionbook.bnibooks.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
constructionbook.bnibooks.com SEO score
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 Constructionbook.bnibooks.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 Constructionbook.bnibooks.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.
constructionbook.bnibooks.com
Open Graph description is not detected on the main page of Construction Book BNi Books. 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: