Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

grandoperahouseyork.org.uk

Grand Opera House York Box Office | Buy Tickets Online | ATG Tickets

Page Load Speed

8 sec in total

First Response

1.1 sec

Resources Loaded

3.9 sec

Page Rendered

3 sec

grandoperahouseyork.org.uk screenshot

About Website

Click here to check amazing Grand Opera House York content. Otherwise, check out these important facts you probably never knew about grandoperahouseyork.org.uk

Going to see a show at the Grand Opera House, York? Book your theatre tickets online today from the Grand Opera House box office at ATG Tickets.

Visit grandoperahouseyork.org.uk

Key Findings

We analyzed Grandoperahouseyork.org.uk page load time and found that the first response time was 1.1 sec and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

grandoperahouseyork.org.uk performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value21.4 s

0/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value14,830 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.257

48/100

15%

TTI (Time to Interactive)

Value22.6 s

1/100

10%

Network Requests Diagram

1130 ms

kul0maa.css

175 ms

css

160 ms

16865312328.js

197 ms

15.7472644b920a82fc5450.js

34 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Grandoperahouseyork.org.uk, 24% (11 requests) were made to Res.cloudinary.com and 18% (8 requests) were made to C.evidon.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Res.cloudinary.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 351.5 kB (38%)

Content Size

925.5 kB

After Optimization

574.0 kB

In fact, the total size of Grandoperahouseyork.org.uk main page is 925.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 493.6 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 299.8 kB

  • Original 345.7 kB
  • After minification 345.7 kB
  • After compression 45.9 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 299.8 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 5.3 kB

  • Original 493.6 kB
  • After minification 488.3 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. Grand Opera House York images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 46.4 kB

  • Original 86.1 kB
  • After minification 86.1 kB
  • After compression 39.8 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 46.4 kB or 54% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 5 B

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.

Requests Breakdown

Number of requests can be reduced by 16 (44%)

Requests Now

36

After Optimization

20

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Grand Opera House York. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

grandoperahouseyork.org.uk accessibility score

72

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

[role] values are not valid

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

grandoperahouseyork.org.uk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

grandoperahouseyork.org.uk SEO score

93

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

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 Grandoperahouseyork.org.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 Grandoperahouseyork.org.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

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