6.8 sec in total
153 ms
5.7 sec
928 ms
Click here to check amazing Construction Book content for United States. Otherwise, check out these important facts you probably never knew about constructionbook.com
Since 1998, Construction Book Express has been providing builders, designers, and construction professionals with the products they need.
Visit constructionbook.comWe analyzed Constructionbook.com page load time and found that the first response time was 153 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
constructionbook.com performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value25.8 s
0/100
25%
Value8.3 s
19/100
10%
Value260 ms
83/100
30%
Value0.565
12/100
15%
Value10.6 s
23/100
10%
153 ms
302 ms
1345 ms
127 ms
471 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 78% of them (51 requests) were addressed to the original Constructionbook.com, 5% (3 requests) were made to Fonts.googleapis.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Constructionbook.com.
Page size can be reduced by 1.0 MB (8%)
12.7 MB
11.7 MB
In fact, the total size of Constructionbook.com main page is 12.7 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. 65% of websites need less resources to load. Images take 12.5 MB which makes up the majority of the site volume.
Potential reduce by 65.9 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 65.9 kB or 87% of the original size.
Potential reduce by 942.3 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 images are well optimized though.
Potential reduce by 11.3 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 11.3 kB or 12% of the original size.
Number of requests can be reduced by 11 (18%)
60
49
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Construction Book. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
constructionbook.com
153 ms
constructionbook.com
302 ms
www.constructionbook.com
1345 ms
modernizr.js
127 ms
g.js
471 ms
js
92 ms
conversion.js
101 ms
slick.min.js
724 ms
stacktable.js
1022 ms
screen
322 ms
css
36 ms
css
63 ms
css
55 ms
analytics.js
103 ms
151 ms
sprite.png
150 ms
construction-book-logo.png
217 ms
codes.jpg
517 ms
state-codes.jpg
378 ms
electrical.jpg
276 ms
trade-associations.jpg
411 ms
forms.jpg
410 ms
exam-prep.jpg
499 ms
AIA-FORM-BANNER.png
2082 ms
2024-ESTIMATING-MADE-EASY-1280-500-2NEW-ASPE-SEP_%281%29.png
1708 ms
2020-ELECTRICAL-CODES--REFERENCE-GUIDES-1280-500-2.png
1051 ms
CONSTRUCTION-SAFETY-ESSENTIALS-NEW-2021-1.png
2297 ms
G703-1992.png
1255 ms
G702-1992.png
1541 ms
a101-2017.png
1124 ms
A201-2017.png
1196 ms
9781588552471.png
1270 ms
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1502 ms
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1345 ms
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1421 ms
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1494 ms
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1568 ms
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1631 ms
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1668 ms
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1640 ms
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1888 ms
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1713 ms
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1805 ms
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2007 ms
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1786 ms
Standard_Estimating_Practices_3_Vol_Set.png
2151 ms
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2084 ms
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2029 ms
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2166 ms
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2164 ms
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2366 ms
font
44 ms
font
53 ms
Untitled_design_%2827%29.png
2162 ms
collect
21 ms
60 ms
2023_National_Electrical_Code_-_HANDBOOK.png
2013 ms
collect
38 ms
js
51 ms
ga-audiences
67 ms
NEC20CHG.png
2027 ms
9781588552549.png
1943 ms
construction-book-logo-grey.png
1894 ms
credit-cards.png
2031 ms
dark-arrow.png
1876 ms
constructionbook.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-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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
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.
constructionbook.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
constructionbook.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
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Constructionbook.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 Constructionbook.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.com
Open Graph description is not detected on the main page of Construction Book. 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: