Tools & Wizards About Us
jacksflightclub.co.uk screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

jacksflightclub.co.uk

Jack's Flight Club | Cheap Flights, Flight Deals & Alerts

Page Load Speed

2.5 sec in total

First Response

173 ms

Resources Loaded

1.7 sec

Page Rendered

664 ms

jacksflightclub.co.uk screenshot

About Website

Click here to check amazing Jack S Flight Club content for United Kingdom. Otherwise, check out these important facts you probably never knew about jacksflightclub.co.uk

We bring our members cheap flights to amazing destinations around the world. Join over 2.3 million members, saving an average of $400 per ticket booked!

Visit jacksflightclub.co.uk

Key Findings

We analyzed Jacksflightclub.co.uk page load time and found that the first response time was 173 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

jacksflightclub.co.uk performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value14.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value25.5 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value4,960 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value35.9 s

0/100

10%

Network Requests Diagram

jacksflightclub.co.uk

173 ms

jacksflightclub.com

152 ms

us

352 ms

uc.js

43 ms

jfc-emoji-release.min.js

272 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Jacksflightclub.co.uk, 52% (30 requests) were made to Jacksflightclub.com and 31% (18 requests) were made to Cdn.jacksflightclub.com. The less responsive or slowest element that took the longest time to load (912 ms) relates to the external source Jacksflightclub.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 810.3 kB (38%)

Content Size

2.1 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jacksflightclub.co.uk main page is 2.1 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 726.6 kB

  • Original 864.9 kB
  • After minification 864.9 kB
  • After compression 138.3 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 726.6 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 74.3 kB

  • Original 1.2 MB
  • After minification 1.1 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. Jack S Flight Club images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 9.4 kB

  • Original 42.8 kB
  • After minification 42.8 kB
  • After compression 33.5 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 9.4 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (40%)

Requests Now

45

After Optimization

27

  • Images
  • JavaScript

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jack S Flight Club. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jacksflightclub.co.uk

jacksflightclub.co.uk

173 ms

jacksflightclub.com

jacksflightclub.com

152 ms

us

us

352 ms

uc.js

uc.js

43 ms

jfc-emoji-release.min.js

jfc-emoji-release.min.js

272 ms

gtm.js

gtm.js

152 ms

j.php

j.php

150 ms

braze.min.js

braze.min.js

241 ms

diffuser.js

diffuser.js

185 ms

81e92b9b44469c7e5637926431d20817e9fb666c

81e92b9b44469c7e5637926431d20817e9fb666c

227 ms

flag-us.svg

flag-us.svg

159 ms

flag-eu.svg

flag-eu.svg

162 ms

flag-uk.svg

flag-uk.svg

225 ms

flag-ca.svg

flag-ca.svg

178 ms

fc_logo.svg

fc_logo.svg

163 ms

63f4b327139c2086afe44f5f645fc2f818ddf0e9

63f4b327139c2086afe44f5f645fc2f818ddf0e9

350 ms

2473e661413d31625b34760e2263d482e03c9f5f

2473e661413d31625b34760e2263d482e03c9f5f

351 ms

aca352ac44511b459bbe6c7aa427b3f593c54881

aca352ac44511b459bbe6c7aa427b3f593c54881

384 ms

46960

46960

352 ms

46962

46962

352 ms

46963

46963

384 ms

b010d1d55592b929aff0089a6aa3432d9def1635

b010d1d55592b929aff0089a6aa3432d9def1635

443 ms

lato-regular-webfont.woff

lato-regular-webfont.woff

270 ms

lato-medium-webfont.woff

lato-medium-webfont.woff

284 ms

lato-light-webfont.woff

lato-light-webfont.woff

348 ms

lato-thin-webfont.woff

lato-thin-webfont.woff

347 ms

lato-hairline-webfont.woff

lato-hairline-webfont.woff

283 ms

lato-semibold-webfont.woff

lato-semibold-webfont.woff

393 ms

lato-bold.woff

lato-bold.woff

627 ms

lato-heavy-webfont.woff

lato-heavy-webfont.woff

394 ms

fb-logo.svg

fb-logo.svg

368 ms

twitter-logo.svg

twitter-logo.svg

418 ms

arrow.svg

arrow.svg

423 ms

694a6f370a007c29439bf924ff2422d350bf7a8c

694a6f370a007c29439bf924ff2422d350bf7a8c

424 ms

7aa4fcfa8a1708942684b4b8f0ddadb1a00b32da

7aa4fcfa8a1708942684b4b8f0ddadb1a00b32da

423 ms

fe12498f06754c99717cd621ced955500c52596c

fe12498f06754c99717cd621ced955500c52596c

489 ms

1fb1a66fc9b9775c3eb48687d03cf655bebd9396

1fb1a66fc9b9775c3eb48687d03cf655bebd9396

423 ms

43fc0cbd0b4b3e7537394ea8fa2e575566ea4a3e

43fc0cbd0b4b3e7537394ea8fa2e575566ea4a3e

441 ms

b24a4c7e1b2b2d91eed5e7a2b31e4ac518ab05c2

b24a4c7e1b2b2d91eed5e7a2b31e4ac518ab05c2

453 ms

c4f582e99c6df2456a00fbaf66eed9178c8fca9d

c4f582e99c6df2456a00fbaf66eed9178c8fca9d

602 ms

e61b3273d66ec48b3c2a45b5a0a43ecd5e470a1e

e61b3273d66ec48b3c2a45b5a0a43ecd5e470a1e

600 ms

c889ccac84fe618a3e8360b8ad29465be4a29134

c889ccac84fe618a3e8360b8ad29465be4a29134

601 ms

8977d5b6691b0c21f44fcd8888a1f2c8f95e108c

8977d5b6691b0c21f44fcd8888a1f2c8f95e108c

603 ms

email-decode.min.js

email-decode.min.js

407 ms

12296.js

12296.js

433 ms

runtime.e80c36e054d2bc8d2d9a.js

runtime.e80c36e054d2bc8d2d9a.js

457 ms

polyfills.64bd3968054c414441c0.js

polyfills.64bd3968054c414441c0.js

487 ms

styles.a48dd003a769ef8a3c3d.js

styles.a48dd003a769ef8a3c3d.js

483 ms

main.6a7ba4039fa62f588fbf.js

main.6a7ba4039fa62f588fbf.js

912 ms

instagram.svg

instagram.svg

598 ms

facebook.svg

facebook.svg

597 ms

twitter.svg

twitter.svg

599 ms

ios.svg

ios.svg

600 ms

googleplay.svg

googleplay.svg

651 ms

american-typewriter-regular.woff

american-typewriter-regular.woff

544 ms

prism.app-us1.com

prism.app-us1.com

209 ms

1f440.svg

1f440.svg

25 ms

2708.svg

2708.svg

25 ms

Accessibility Review

jacksflightclub.co.uk accessibility score

57

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

jacksflightclub.co.uk best practices score

58

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

jacksflightclub.co.uk SEO score

82

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Jacksflightclub.co.uk 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 Jacksflightclub.co.uk 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

jacksflightclub.co.uk

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