Access computerbooks.tradepub.com. Free Information Technology Research Library of White Papers, Magazines, Reports, and eBooks

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value670 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.119

85/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

computerbooks.tradepub.com

917 ms

style2015.css

266 ms

font-awesome.min.css

277 ms

classie.js

208 ms

jquery-1.7.2.min.js

413 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 32% of them (23 requests) were addressed to the original Computerbooks.tradepub.com, 33% (24 requests) were made to Img.tradepub.com and 10% (7 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (917 ms) belongs to the original domain Computerbooks.tradepub.com.

Content Size

532.1 kB

After Optimization

155.9 kB

In fact, the total size of Computerbooks.tradepub.com main page is 532.1 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. 35% of websites need less resources to load. HTML takes 238.2 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 202.0 kB

Original 238.2 kB
After minification 222.2 kB
After compression 36.3 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 202.0 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 90 B

Original 7.4 kB
After minification 7.3 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. Computerbooks Tradepub images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 103.2 kB

Original 197.1 kB
After minification 183.7 kB
After compression 93.9 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 103.2 kB or 52% of the original size.

CSS Optimization

-79%

Potential reduce by 71.0 kB

Original 89.4 kB
After minification 77.8 kB
After compression 18.4 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. Computerbooks.tradepub.com needs all CSS files to be minified and compressed as it can save up to 71.0 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Computerbooks Tradepub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

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

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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

High

Links are not crawlable

High

Page is blocked from indexing

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 Computerbooks.tradepub.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 Computerbooks.tradepub.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

computerbooks.tradepub.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Free Information Technology Research Library of White Papers, Magazines, Reports, and eBooks

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

computerbooks.tradepub.com

style2015.css

font-awesome.min.css

classie.js

jquery-1.7.2.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

computerbooks.tradepub.com

style2015.css

font-awesome.min.css

classie.js

jquery-1.7.2.min.js

jquery.cookie.js

jquery.easing.1.3.js

jquery.mmenu.css

tp_menu.css

jquery.mmenu.min.js

tp_menu.js

lightbox.css

jqModal.css

jqModal.js

lightbox.js

cookieconsent.min.css

cookieconsent.min.js

consentBar.js

js

tp_ga.js

algoliasearch.min.js

autocomplete.min.js

tpmyacctlogin.css

tpma2014login.js

search.css

ion.rangeSlider.css

ion.rangeSlider.skinFlat.css

algoliasearch.helper.min.js

hogan.min.common.js

ion.rangeSlider.min.js

algolia.js

conversion.js

catbanner.css

css

css

css

analytics.js

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