Tools & Wizards About Us
kitbook.com screenshot

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

kitbook.com

KitBooks for STEM Education Students and Teachers | KitBook

Page Load Speed

3.4 sec in total

First Response

814 ms

Resources Loaded

2.4 sec

Page Rendered

208 ms

kitbook.com screenshot

About Website

Welcome to kitbook.com homepage info - get ready to check Kit Book best content right away, or after learning these important things about kitbook.com

KitBooks for students and teachers conforms to the new STEM education standards and boost learning by giving them hands-on experience.

Visit kitbook.com

Key Findings

We analyzed Kitbook.com page load time and found that the first response time was 814 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

kitbook.com performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

68/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

kitbook.com

814 ms

css

506 ms

style.min.css

183 ms

woocommerce.min.css

181 ms

style.css

179 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 93% of them (28 requests) were addressed to the original Kitbook.com, 3% (1 request) were made to Fonts.googleapis.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (814 ms) belongs to the original domain Kitbook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 138.6 kB (18%)

Content Size

755.2 kB

After Optimization

616.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kitbook.com main page is 755.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 382.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 83.8 kB

  • Original 101.6 kB
  • After minification 101.3 kB
  • After compression 17.8 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 83.8 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 4.2 kB

  • Original 382.6 kB
  • After minification 378.4 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. Kit Book images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 25.9 kB

  • Original 155.6 kB
  • After minification 155.6 kB
  • After compression 129.7 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 25.9 kB or 17% of the original size.

CSS Optimization

-21%

Potential reduce by 24.7 kB

  • Original 115.4 kB
  • After minification 115.3 kB
  • After compression 90.7 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. Kitbook.com needs all CSS files to be minified and compressed as it can save up to 24.7 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (58%)

Requests Now

26

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kit 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 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kitbook.com

kitbook.com

814 ms

css

css

506 ms

style.min.css

style.min.css

183 ms

woocommerce.min.css

woocommerce.min.css

181 ms

style.css

style.css

179 ms

jquery.min.js

jquery.min.js

243 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

199 ms

add-to-cart.min.js

add-to-cart.min.js

178 ms

js.cookie.min.js

js.cookie.min.js

241 ms

woocommerce.min.js

woocommerce.min.js

240 ms

js

js

63 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

239 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

241 ms

us.core.min.js

us.core.min.js

358 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

414 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

302 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

302 ms

vimeo.min.js

vimeo.min.js

305 ms

KitBook-logo.png

KitBook-logo.png

94 ms

natures-workshop-plus.png

natures-workshop-plus.png

252 ms

Kitbook-Electronic-Circuits-300x300.jpg

Kitbook-Electronic-Circuits-300x300.jpg

84 ms

KitBook-Electronic-Circuits-Lightbulb-Experiment-300x300.jpg

KitBook-Electronic-Circuits-Lightbulb-Experiment-300x300.jpg

119 ms

what-is-a-kitbook-300x300.jpg

what-is-a-kitbook-300x300.jpg

133 ms

student-workbook-300x300.jpg

student-workbook-300x300.jpg

79 ms

what-is-a-kitbook.jpg

what-is-a-kitbook.jpg

124 ms

stem-home-slider.jpg

stem-home-slider.jpg

138 ms

fa-solid-900.woff

fa-solid-900.woff

283 ms

fa-regular-400.woff

fa-regular-400.woff

320 ms

fa-light-300.woff

fa-light-300.woff

213 ms

mejs-controls.svg

mejs-controls.svg

128 ms

Accessibility Review

kitbook.com accessibility score

100

Accessibility Issues

Best Practices

kitbook.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

kitbook.com SEO score

100

Search Engine Optimization Advices

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

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 Kitbook.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 Kitbook.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

kitbook.com

Open Graph data is detected on the main page of Kit Book. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: