Access odinbooks.com. Odin Books :: Mental Health and Inclusive Education Resources

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

36/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.156

74/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

odinbooks.com

72 ms

odinbooks.com

1067 ms

bootstrap.min.css

53 ms

jquery-3.3.1.slim.min.js

50 ms

jquery.min.js

49 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 86% of them (79 requests) were addressed to the original Odinbooks.com, 4% (4 requests) were made to Maxcdn.bootstrapcdn.com and 3% (3 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Odinbooks.com.

Content Size

1.9 MB

After Optimization

1.7 MB

In fact, the total size of Odinbooks.com main page is 1.9 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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 106.0 kB

Original 129.1 kB
After minification 120.3 kB
After compression 23.1 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 106.0 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 65.0 kB

Original 1.6 MB
After minification 1.6 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. Odin Books images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 14.2 kB

Original 128.5 kB
After minification 128.5 kB
After compression 114.3 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 14.2 kB or 11% of the original size.

CSS Optimization

-13%

Potential reduce by 3.1 kB

Original 23.6 kB
After minification 23.6 kB
After compression 20.4 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. Odinbooks.com needs all CSS files to be minified and compressed as it can save up to 3.1 kB or 13% of the original size.

Requests Now

After Optimization

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Odin 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 20 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

UTF-8

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

odinbooks.com

Open Graph description is not detected on the main page of Odin 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Odin Books :: Mental Health and Inclusive Education Resources

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

odinbooks.com

odinbooks.com

bootstrap.min.css

jquery-3.3.1.slim.min.js

jquery.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

odinbooks.com

odinbooks.com

bootstrap.min.css

jquery-3.3.1.slim.min.js

jquery.min.js

popper.min.js

bootstrap.min.js

bootstrap.fd.css

bootstrap.fd.js

all.css

bootstrap.min.css

jquerysctipttop.css

tagsinput.css

rating.js

rating.css

captcha.css

sddm.css

scripts.js

category.php

itemType.php

thumbnailviewer.js

virtualpaginate.js

jquery-1.2.2.pack.js

calendarDateInput.js

jquery-1.2.6.pack.js

jquery.color.js

thickbox.js

cart.js

thickbox.css

ddcolortabs.css

dropdowntabs.js

ddaccordion.js

switchcontent.js

jqueryscripttop.css

style.css

menu.css

arrow2.gif

loading.gif

loading2.gif

odinbooks_top_logo.jpg

search.png

bootstrap.min.js

color_tabs_left.gif