Tools & Wizards About Us
skybook.aero screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

skybook.aero

Electronic Flight Bag & Airline software | Bytron Aviation Systems.

Page Load Speed

3.8 sec in total

First Response

172 ms

Resources Loaded

2.7 sec

Page Rendered

857 ms

skybook.aero screenshot

About Website

Visit skybook.aero now to see the best up-to-date Skybook content and also check out these interesting facts you probably never knew about skybook.aero

Bytron Aviation Systems develop Airline Software & Electronic Flight Bag Solutions (EFB) known as skybook. Improve flight data management & airline operations. Our aviation software is suited for flig...

Visit skybook.aero

Key Findings

We analyzed Skybook.aero page load time and found that the first response time was 172 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

skybook.aero performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value1,090 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.358

30/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

skybook.aero

172 ms

www.bytron.aero

617 ms

gtm.js

149 ms

css2

37 ms

all.css

222 ms

Our browser made a total of 136 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Skybook.aero, 71% (97 requests) were made to Bytron.aero and 6% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Bytron.aero.

Page Optimization Overview & Recommendations

Page size can be reduced by 781.7 kB (29%)

Content Size

2.7 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Skybook.aero main page is 2.7 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. 70% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 62.5 kB

  • Original 73.9 kB
  • After minification 52.9 kB
  • After compression 11.4 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 21.0 kB, which is 28% 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 62.5 kB or 85% of the original size.

Image Optimization

-28%

Potential reduce by 695.4 kB

  • Original 2.5 MB
  • After minification 1.8 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. Obviously, Skybook needs image optimization as it can save up to 695.4 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-18%

Potential reduce by 23.7 kB

  • Original 134.2 kB
  • After minification 134.2 kB
  • After compression 110.5 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 23.7 kB or 18% of the original size.

CSS Optimization

-1%

Potential reduce by 63 B

  • Original 6.6 kB
  • After minification 6.6 kB
  • After compression 6.6 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. Skybook.aero has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 40 (33%)

Requests Now

121

After Optimization

81

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 121 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Skybook. 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 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

skybook.aero

skybook.aero

172 ms

www.bytron.aero

www.bytron.aero

617 ms

gtm.js

gtm.js

149 ms

css2

css2

37 ms

all.css

all.css

222 ms

styles.css

styles.css

490 ms

593893.js

593893.js

90 ms

bytron_02.svg

bytron_02.svg

348 ms

flight-dispatch.svg

flight-dispatch.svg

351 ms

ops-board.svg

ops-board.svg

341 ms

airfield-watch.svg

airfield-watch.svg

343 ms

notam-watch.svg

notam-watch.svg

346 ms

flight-tracking.svg

flight-tracking.svg

397 ms

doc-library.svg

doc-library.svg

395 ms

reporting-analytics.svg

reporting-analytics.svg

394 ms

record-vault.svg

record-vault.svg

401 ms

skybook-efb.svg

skybook-efb.svg

402 ms

flight-briefing.svg

flight-briefing.svg

471 ms

journey-log.svg

journey-log.svg

474 ms

form-builder.svg

form-builder.svg

473 ms

global-mapping.svg

global-mapping.svg

593 ms

crew-reports.svg

crew-reports.svg

591 ms

planning-portal.svg

planning-portal.svg

622 ms

sector-briefing.svg

sector-briefing.svg

619 ms

briefing-charts.svg

briefing-charts.svg

624 ms

etops-charts.svg

etops-charts.svg

619 ms

notices.svg

notices.svg

618 ms

pack-templates.svg

pack-templates.svg

620 ms

about-skybook.png

about-skybook.png

854 ms

exceptional-resilience.png

exceptional-resilience.png

996 ms

our-customers.png

our-customers.png

1008 ms

copypastesubscribeformlogic.js

copypastesubscribeformlogic.js

136 ms

f362d4a054.js

f362d4a054.js

225 ms

jquery.min.js

jquery.min.js

145 ms

bootstrap.min.js

bootstrap.min.js

136 ms

libs.min.js

libs.min.js

708 ms

main.min.js

main.min.js

610 ms

modal.js

modal.js

616 ms

alpine.min.js

alpine.min.js

696 ms

593893.js

593893.js

208 ms

web-interactives-embed.js

web-interactives-embed.js

158 ms

banner.js

banner.js

296 ms

leadflows.js

leadflows.js

265 ms

fb.js

fb.js

155 ms

collectedforms.js

collectedforms.js

163 ms

js

js

112 ms

hotjar-3331193.js

hotjar-3331193.js

161 ms

insight.min.js

insight.min.js

143 ms

8424405.js

8424405.js

903 ms

analytics.js

analytics.js

52 ms

collect

collect

55 ms

fa-solid-900.woff

fa-solid-900.woff

621 ms

fa-regular-400.woff

fa-regular-400.woff

569 ms

homepage-banner-efb.png

homepage-banner-efb.png

660 ms

homepage-banner-dispatch.png

homepage-banner-dispatch.png

872 ms

skybook-logo-dark.svg

skybook-logo-dark.svg

657 ms

blue_angle_border.svg

blue_angle_border.svg

663 ms

hp_workflow_1.jpg

hp_workflow_1.jpg

731 ms

hp_workflow_2.jpg

hp_workflow_2.jpg

691 ms

collect

collect

84 ms

hp_workflow_3.jpg

hp_workflow_3.jpg

693 ms

hp_workflow_4.jpg

hp_workflow_4.jpg

739 ms

hp-skybook-screens.png

hp-skybook-screens.png

921 ms

Logo-Boeing.png

Logo-Boeing.png

757 ms

insight.beta.min.js

insight.beta.min.js

29 ms

modules.84f80a92c39bbd76564a.js

modules.84f80a92c39bbd76564a.js

33 ms

insight_tag_errors.gif

insight_tag_errors.gif

233 ms

Logo-FlyDubai.png

Logo-FlyDubai.png

723 ms

Logo-Airtanker.png

Logo-Airtanker.png

726 ms

insight_tag_errors.gif

insight_tag_errors.gif

353 ms

Logo-Swissport.png

Logo-Swissport.png

772 ms

Logo-Jeppesen.png

Logo-Jeppesen.png

790 ms

Logo-AeroMexico.png

Logo-AeroMexico.png

801 ms

ga-audiences

ga-audiences

55 ms

electronic-flight-bag-efb-solution-trans.gif

electronic-flight-bag-efb-solution-trans.gif

820 ms

flight-dispatch-opsboard.gif

flight-dispatch-opsboard.gif

774 ms

flight-tracking-monitor-cropped.png

flight-tracking-monitor-cropped.png

1027 ms

GetJet-airlines-airfield-safety-monitoring.jpg

GetJet-airlines-airfield-safety-monitoring.jpg

844 ms

air-atlanta-logo.png

air-atlanta-logo.png

697 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4k.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4k.woff

93 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4k.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4k.woff

150 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4k.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4k.woff

168 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4k.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4k.woff

182 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkyFjaVQ.woff

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkyFjaVQ.woff

177 ms

font

font

257 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkaVQ.woff

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkaVQ.woff

182 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk5hkaVQ.woff

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk5hkaVQ.woff

167 ms

boeing-logo.png

boeing-logo.png

730 ms

air_act_logo.png

air_act_logo.png

730 ms

virgin-atlantic-logo.png

virgin-atlantic-logo.png

754 ms

air_peace_logo.png

air_peace_logo.png

756 ms

azores-airlines-logo.png

azores-airlines-logo.png

793 ms

aero_mexico_connect_logo.png

aero_mexico_connect_logo.png

812 ms

fly-dubai-logo.png

fly-dubai-logo.png

834 ms

webfontloader.js

webfontloader.js

62 ms

li_sync

li_sync

22 ms

fa-brands-400.woff

fa-brands-400.woff

790 ms

aero_mexico_logo.png

aero_mexico_logo.png

812 ms

f362d4a054.css

f362d4a054.css

68 ms

airtanker-logo.png

airtanker-logo.png

753 ms

global_jet_logo.png

global_jet_logo.png

746 ms

font-awesome-css.min.css

font-awesome-css.min.css

38 ms

air_senegal_logo.png

air_senegal_logo.png

692 ms

air_hamburg_logo.png

air_hamburg_logo.png

698 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

72 ms

gama_aviation_logo.png

gama_aviation_logo.png

652 ms

biggin_hill_logo.png

biggin_hill_logo.png

637 ms

rossiya_logo.png

rossiya_logo.png

651 ms

sharjah_logo.png

sharjah_logo.png

655 ms

tajik_air_logo.png

tajik_air_logo.png

635 ms

akka_technologies.png

akka_technologies.png

631 ms

glasgow-prestwick-logo.png

glasgow-prestwick-logo.png

646 ms

wfs-logo.png

wfs-logo.png

641 ms

aviator_logo.png

aviator_logo.png

653 ms

tyrolean_jet_services_logo.png

tyrolean_jet_services_logo.png

611 ms

jeppesen-logo.png

jeppesen-logo.png

615 ms

swiss_private_jet_logo.png

swiss_private_jet_logo.png

613 ms

cta-contact-icon.svg

cta-contact-icon.svg

631 ms

cta-brochure-icon.svg

cta-brochure-icon.svg

594 ms

cta-trial-icon.svg

cta-trial-icon.svg

602 ms

bytron_03.svg

bytron_03.svg

594 ms

twitter-x.svg

twitter-x.svg

605 ms

afc-silver-award.png

afc-silver-award.png

568 ms

aviation-award-footer.png

aviation-award-footer.png

567 ms

iso-27001-2013-logo.png

iso-27001-2013-logo.png

551 ms

iso-9001_2015.gif

iso-9001_2015.gif

564 ms

hp_clouds_border.svg

hp_clouds_border.svg

538 ms

noaa-logo.svg

noaa-logo.svg

544 ms

jepps-logo.svg

jepps-logo.svg

526 ms

faa-logo.svg

faa-logo.svg

546 ms

met-office-logo.svg

met-office-logo.svg

510 ms

navblue-logo.svg

navblue-logo.svg

506 ms

euro-control-logo.svg

euro-control-logo.svg

519 ms

blue_angle_bg.svg

blue_angle_bg.svg

519 ms

clients-carousel-bg.jpg

clients-carousel-bg.jpg

516 ms

news_sub_plane_bg.png

news_sub_plane_bg.png

508 ms

Accessibility Review

skybook.aero accessibility score

87

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-*] attributes do not have valid values

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

skybook.aero best practices score

75

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

skybook.aero SEO score

84

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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 Skybook.aero 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 Skybook.aero 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

skybook.aero

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