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boxoffice.co.uk screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

boxoffice.co.uk

BoxOffice.co.uk - Tickets to London shows & UK attractions

Page Load Speed

2.7 sec in total

First Response

179 ms

Resources Loaded

1.9 sec

Page Rendered

658 ms

boxoffice.co.uk screenshot

About Website

Welcome to boxoffice.co.uk homepage info - get ready to check Box Office best content for United Kingdom right away, or after learning these important things about boxoffice.co.uk

Book official tickets to theatre shows and attractions with Box Office, including West End musicals, plays, and family-friendly activities across the UK.

Visit boxoffice.co.uk

Key Findings

We analyzed Boxoffice.co.uk page load time and found that the first response time was 179 ms and then it took 2.6 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

boxoffice.co.uk performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

38/100

25%

SI (Speed Index)

Value20.3 s

0/100

10%

TBT (Total Blocking Time)

Value25,120 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.338

33/100

15%

TTI (Time to Interactive)

Value39.2 s

0/100

10%

Network Requests Diagram

boxoffice.co.uk

179 ms

www.boxoffice.co.uk

377 ms

css

383 ms

cards.png

146 ms

prev.png

77 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 84% of them (73 requests) were addressed to the original Boxoffice.co.uk, 3% (3 requests) were made to S7.addthis.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (898 ms) belongs to the original domain Boxoffice.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 712.2 kB (42%)

Content Size

1.7 MB

After Optimization

971.8 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Boxoffice.co.uk main page is 1.7 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. 45% of websites need less resources to load. Images take 834.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 142.6 kB

  • Original 180.1 kB
  • After minification 170.1 kB
  • After compression 37.4 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. 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 142.6 kB or 79% of the original size.

Image Optimization

-16%

Potential reduce by 130.4 kB

  • Original 834.7 kB
  • After minification 704.3 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. Obviously, Box Office needs image optimization as it can save up to 130.4 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 439.2 kB

  • Original 669.2 kB
  • After minification 669.2 kB
  • After compression 230.0 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 439.2 kB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (30%)

Requests Now

82

After Optimization

57

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Box Office. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

boxoffice.co.uk

boxoffice.co.uk

179 ms

www.boxoffice.co.uk

www.boxoffice.co.uk

377 ms

css

css

383 ms

cards.png

cards.png

146 ms

prev.png

prev.png

77 ms

next.png

next.png

148 ms

Aladdin-the-musical-main.jpg

Aladdin-the-musical-main.jpg

522 ms

mailing-650x200.jpg

mailing-650x200.jpg

454 ms

boxoffice.jpg

boxoffice.jpg

472 ms

gift-vouchers.jpg

gift-vouchers.jpg

443 ms

blank.gif

blank.gif

221 ms

the-lion-king_22.jpg

the-lion-king_22.jpg

294 ms

phantom-of-the-opera_12.jpg

phantom-of-the-opera_12.jpg

312 ms

charlie-and-the-chocolate-factory_27.jpg

charlie-and-the-chocolate-factory_27.jpg

367 ms

les-miserables_13.jpg

les-miserables_13.jpg

388 ms

the-book-of-mormon_20.jpg

the-book-of-mormon_20.jpg

442 ms

wicked-1.jpg

wicked-1.jpg

463 ms

funny-girl_2.jpg

funny-girl_2.jpg

526 ms

billy-elliot_26.jpg

billy-elliot_26.jpg

515 ms

aladdin-the-musical_13.jpg

aladdin-the-musical_13.jpg

525 ms

matilda-the-musical_33.jpg

matilda-the-musical_33.jpg

537 ms

beyond-the-fence_2.jpg

beyond-the-fence_2.jpg

547 ms

star.png

star.png

588 ms

scripts

scripts

756 ms

conversion.js

conversion.js

13 ms

addthis_widget.js

addthis_widget.js

10 ms

the-end-of-longing_15.jpg

the-end-of-longing_15.jpg

600 ms

guys-and-dolls_2.jpg

guys-and-dolls_2.jpg

606 ms

the-rinse-cycle_3.jpg

the-rinse-cycle_3.jpg

606 ms

the-truth.jpg

the-truth.jpg

620 ms

the-toxic-avenger_2.jpg

the-toxic-avenger_2.jpg

656 ms

the-fifth-column_4.jpg

the-fifth-column_4.jpg

674 ms

boris-world-king_1.jpg

boris-world-king_1.jpg

689 ms

the-bodyguard_20.jpg

the-bodyguard_20.jpg

680 ms

show-boat_2.jpg

show-boat_2.jpg

697 ms

booking_help_side.jpg

booking_help_side.jpg

729 ms

our_promise.png

our_promise.png

803 ms

giftvouchers-banner.jpg

giftvouchers-banner.jpg

803 ms

mealdeals-banner.jpg

mealdeals-banner.jpg

804 ms

theatrebreaks-banner.jpg

theatrebreaks-banner.jpg

805 ms

the-bodyguard.jpg

the-bodyguard.jpg

898 ms

Aladdin-the-musical-160.jpg

Aladdin-the-musical-160.jpg

798 ms

funny-girl_160x600.jpg

funny-girl_160x600.jpg

848 ms

bg.png

bg.png

607 ms

bg2.png

bg2.png

601 ms

header.png

header.png

698 ms

search_bg.png

search_bg.png

680 ms

search_button.png

search_button.png

624 ms

ticket-hotline.png

ticket-hotline.png

704 ms

menu_bg.png

menu_bg.png

550 ms

menu_on.png

menu_on.png

651 ms

menu_split.png

menu_split.png

646 ms

menu_footer.png

menu_footer.png

631 ms

col_bg.png

col_bg.png

629 ms

col_header.png

col_header.png

581 ms

jump_to_show.jpg

jump_to_show.jpg

611 ms

col_footer.png

col_footer.png

596 ms

col_list.png

col_list.png

597 ms

col_footer_more.png

col_footer_more.png

588 ms

col_header2.png

col_header2.png

578 ms

special_box_bg.jpg

special_box_bg.jpg

623 ms

express_booking_bg.png

express_booking_bg.png

590 ms

express_booking_button.png

express_booking_button.png

586 ms

main_header.png

main_header.png

588 ms

show_box.png

show_box.png

575 ms

384_box_header.png

384_box_header.png

552 ms

384_box_bg.png

384_box_bg.png

590 ms

53x80_shadow.png

53x80_shadow.png

584 ms

384_box_footer.png

384_box_footer.png

580 ms

265_box_header.png

265_box_header.png

573 ms

265_box_bg.png

265_box_bg.png

555 ms

analytics.js

analytics.js

64 ms

76 ms

265_box_footer.png

265_box_footer.png

491 ms

footer.png

footer.png

531 ms

footer_list.png

footer_list.png

532 ms

js

js

55 ms

collect

collect

108 ms

110 ms

300lo.json

300lo.json

66 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

390 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

38 ms

collect

collect

102 ms

in.php

in.php

139 ms

layers.3643cb2e25fb91c29386.js

layers.3643cb2e25fb91c29386.js

7 ms

ga-audiences

ga-audiences

16 ms

pixel

pixel

16 ms

Accessibility Review

boxoffice.co.uk accessibility score

88

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

boxoffice.co.uk 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

Missing source maps for large first-party JavaScript

SEO Factors

boxoffice.co.uk SEO score

86

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

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 Boxoffice.co.uk 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 Boxoffice.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

boxoffice.co.uk

Open Graph description is not detected on the main page of Box Office. 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: