Tools & Wizards About Us
contractorbookwarehouse.com screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

contractorbookwarehouse.com

Contractor Book Warehouse

Page Load Speed

3.1 sec in total

First Response

132 ms

Resources Loaded

2.6 sec

Page Rendered

335 ms

contractorbookwarehouse.com screenshot

About Website

Visit contractorbookwarehouse.com now to see the best up-to-date Contractor Book Warehouse content and also check out these interesting facts you probably never knew about contractorbookwarehouse.com

Contractor Book Warehouse. Providing Contractor books for General Contractors, Electrical Contractors, Plumbing, HVAC and more. Books provided for PSI Exams, PROV Exams and more.

Visit contractorbookwarehouse.com

Key Findings

We analyzed Contractorbookwarehouse.com page load time and found that the first response time was 132 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

contractorbookwarehouse.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value4,750 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.184

66/100

15%

TTI (Time to Interactive)

Value17.2 s

4/100

10%

Network Requests Diagram

contractorbookwarehouse.com

132 ms

contractorbookwarehouse.com

475 ms

theme-bundle.polyfills.js

193 ms

css

77 ms

theme-f8155480-abc7-013b-7149-56703fd4b038.css

100 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 5% of them (4 requests) were addressed to the original Contractorbookwarehouse.com, 36% (31 requests) were made to Cdn11.bigcommerce.com and 23% (20 requests) were made to Lh3.googleusercontent.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Apps.minibc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 437.9 kB (19%)

Content Size

2.3 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Contractorbookwarehouse.com main page is 2.3 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. 80% 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 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 272.2 kB

  • Original 300.4 kB
  • After minification 252.6 kB
  • After compression 28.2 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 47.8 kB, which is 16% 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 272.2 kB or 91% of the original size.

Image Optimization

-1%

Potential reduce by 14.3 kB

  • Original 1.7 MB
  • After minification 1.7 MB

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. Contractor Book Warehouse images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 151.3 kB

  • Original 367.1 kB
  • After minification 358.3 kB
  • After compression 215.8 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 151.3 kB or 41% of the original size.

CSS Optimization

-0%

Potential reduce by 42 B

  • Original 12.9 kB
  • After minification 12.9 kB
  • After compression 12.8 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. Contractorbookwarehouse.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (43%)

Requests Now

69

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Contractor Book Warehouse. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

contractorbookwarehouse.com

contractorbookwarehouse.com

132 ms

contractorbookwarehouse.com

contractorbookwarehouse.com

475 ms

theme-bundle.polyfills.js

theme-bundle.polyfills.js

193 ms

css

css

77 ms

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108 ms

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134 ms

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137 ms

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134 ms

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108 ms

jquery.min.js

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85 ms

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135 ms

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134 ms

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153 ms

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151 ms

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67 ms

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rp2.js

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Accessibility Review

contractorbookwarehouse.com accessibility score

86

Accessibility Issues

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

High

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

contractorbookwarehouse.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

contractorbookwarehouse.com SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Contractorbookwarehouse.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 Contractorbookwarehouse.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.

Social Sharing Optimization

contractorbookwarehouse.com

Open Graph description is not detected on the main page of Contractor Book Warehouse. 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: