Tools & Wizards About Us
tedkoppellightsout.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

tedkoppellightsout.com

Lights Out by Ted Koppel: 9780553419986 | PenguinRandomHouse.com: Books

Page Load Speed

2.4 sec in total

First Response

35 ms

Resources Loaded

1.9 sec

Page Rendered

433 ms

tedkoppellightsout.com screenshot

About Website

Click here to check amazing Ted Koppel Lights Out content. Otherwise, check out these important facts you probably never knew about tedkoppellightsout.com

NEW YORK TIMES BESTSELLER • Ted Koppel reveals that a major cyberattack on America’s power grid is not only possible but likely, that it would...

Visit tedkoppellightsout.com

Key Findings

We analyzed Tedkoppellightsout.com page load time and found that the first response time was 35 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

tedkoppellightsout.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value17.2 s

0/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value2,250 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.6 s

2/100

10%

Network Requests Diagram

tedkoppellightsout.com

35 ms

943 ms

style.min.css

12 ms

style.css

15 ms

newsletter.css

33 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Tedkoppellightsout.com, 71% (46 requests) were made to Penguinrandomhouse.com and 17% (11 requests) were made to Images.penguinrandomhouse.com. The less responsive or slowest element that took the longest time to load (943 ms) relates to the external source Penguinrandomhouse.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 264.3 kB (17%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tedkoppellightsout.com main page is 1.5 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 879.5 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 220.4 kB

  • Original 255.9 kB
  • After minification 232.1 kB
  • After compression 35.5 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 220.4 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 17.2 kB

  • Original 879.5 kB
  • After minification 862.3 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. Ted Koppel Lights Out images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 4.6 kB

  • Original 310.7 kB
  • After minification 310.7 kB
  • After compression 306.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-23%

Potential reduce by 22.0 kB

  • Original 95.0 kB
  • After minification 95.0 kB
  • After compression 73.0 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. Tedkoppellightsout.com needs all CSS files to be minified and compressed as it can save up to 22.0 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (52%)

Requests Now

58

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ted Koppel Lights Out. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tedkoppellightsout.com

tedkoppellightsout.com

35 ms

943 ms

style.min.css

style.min.css

12 ms

style.css

style.css

15 ms

newsletter.css

newsletter.css

33 ms

jquery.min.js

jquery.min.js

46 ms

slick.min.js

slick.min.js

33 ms

product.min.css

product.min.css

36 ms

silk.min.css

silk.min.css

35 ms

fes21.js

fes21.js

29 ms

footer.min.css

footer.min.css

33 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

36 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

36 ms

wp-polyfill.min.js

wp-polyfill.min.js

36 ms

react.min.js

react.min.js

35 ms

react-dom.min.js

react-dom.min.js

36 ms

escape-html.min.js

escape-html.min.js

35 ms

element.min.js

element.min.js

37 ms

newsletter.js

newsletter.js

138 ms

global.min.js

global.min.js

41 ms

account.min.js

account.min.js

41 ms

minicart.js

minicart.js

40 ms

utag.js

utag.js

177 ms

ReadMore_1200x628_600x314-nav.jpg

ReadMore_1200x628_600x314-nav.jpg

174 ms

9780553419986

9780553419986

264 ms

9781101888940

9781101888940

152 ms

9780375727085

9780375727085

565 ms

9781440343094

9781440343094

325 ms

nav-account-icon.svg

nav-account-icon.svg

115 ms

prh-logo.svg

prh-logo.svg

114 ms

nav-search.svg

nav-search.svg

114 ms

search-close.svg

search-close.svg

113 ms

prh-logo-sm.png

prh-logo-sm.png

112 ms

module-top-x11px.png

module-top-x11px.png

219 ms

save-20x22.svg

save-20x22.svg

219 ms

plus-icon-11x11.svg

plus-icon-11x11.svg

218 ms

loader.svg

loader.svg

212 ms

excerpt-close.svg

excerpt-close.svg

213 ms

arrowtotop.png

arrowtotop.png

212 ms

module-top-dark.png

module-top-dark.png

273 ms

Let-Kids-Read_600x314-nav.jpg

Let-Kids-Read_600x314-nav.jpg

210 ms

PRH_New-in-Audio-August-600x314-1.jpg

PRH_New-in-Audio-August-600x314-1.jpg

219 ms

9780307729354

9780307729354

487 ms

9780452283138

9780452283138

593 ms

9780143125341

9780143125341

617 ms

9780307586803

9780307586803

526 ms

9781101554258

9781101554258

558 ms

9780804140096

9780804140096

341 ms

9780593545515

9780593545515

551 ms

9780451232250

9780451232250

749 ms

9780679446804

9780679446804

532 ms

Fort-Book.otf

Fort-Book.otf

263 ms

audio-embed.js

audio-embed.js

180 ms

audio-embed.css

audio-embed.css

183 ms

Shift-Book.otf

Shift-Book.otf

26 ms

Fort-Bold.otf

Fort-Bold.otf

26 ms

Fort-Medium.otf

Fort-Medium.otf

37 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

37 ms

9781101888940

9781101888940

541 ms

styles-print.min.css

styles-print.min.css

57 ms

play-white.png

play-white.png

12 ms

share-white.png

share-white.png

10 ms

prha_logos.png

prha_logos.png

11 ms

progress_bar.jpg

progress_bar.jpg

12 ms

close-black.png

close-black.png

11 ms

Accessibility Review

tedkoppellightsout.com accessibility score

86

Accessibility Issues

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

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA IDs are not unique

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.

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

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

tedkoppellightsout.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

tedkoppellightsout.com SEO score

92

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 Tedkoppellightsout.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 Tedkoppellightsout.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

tedkoppellightsout.com

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