Tools & Wizards About Us
emergencymuseum.org.uk screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

emergencymuseum.org.uk

Things To Do | National Emergency Services Museum | England

Page Load Speed

3.5 sec in total

First Response

422 ms

Resources Loaded

3 sec

Page Rendered

62 ms

emergencymuseum.org.uk screenshot

About Website

Welcome to emergencymuseum.org.uk homepage info - get ready to check Emergency Museum best content right away, or after learning these important things about emergencymuseum.org.uk

National Emergency Services Museum is located in one of Yorkshire's first purpose built combined police, fire & ambulance stations in the Steel City, Sheffield. With 3 Floors and a outside yard, you w...

Visit emergencymuseum.org.uk

Key Findings

We analyzed Emergencymuseum.org.uk page load time and found that the first response time was 422 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

emergencymuseum.org.uk performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value16.0 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value1,170 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

emergencymuseum.org.uk

422 ms

emergencymuseum.org.uk

423 ms

www.visitnesm.org.uk

496 ms

minified.js

32 ms

focus-within-polyfill.js

30 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Emergencymuseum.org.uk, 48% (31 requests) were made to Static.wixstatic.com and 23% (15 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (944 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (43%)

Content Size

2.7 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Emergencymuseum.org.uk 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. 50% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 855.0 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 202.9 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 855.0 kB or 81% of the original size.

Image Optimization

-17%

Potential reduce by 221.3 kB

  • Original 1.3 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. Obviously, Emergency Museum needs image optimization as it can save up to 221.3 kB or 17% 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 54.4 kB

  • Original 295.7 kB
  • After minification 295.7 kB
  • After compression 241.3 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 54.4 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (18%)

Requests Now

56

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Emergency Museum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

emergencymuseum.org.uk

emergencymuseum.org.uk

422 ms

emergencymuseum.org.uk

emergencymuseum.org.uk

423 ms

www.visitnesm.org.uk

www.visitnesm.org.uk

496 ms

minified.js

minified.js

32 ms

focus-within-polyfill.js

focus-within-polyfill.js

30 ms

polyfill.min.js

polyfill.min.js

31 ms

thunderbolt-commons.8add2233.bundle.min.js

thunderbolt-commons.8add2233.bundle.min.js

142 ms

main.1550a9c2.bundle.min.js

main.1550a9c2.bundle.min.js

144 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

140 ms

lodash.min.js

lodash.min.js

141 ms

react.production.min.js

react.production.min.js

142 ms

react-dom.production.min.js

react-dom.production.min.js

158 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

156 ms

f0852f_d3c6abf3f294417cb16629a0e2a0d740~mv2.png

f0852f_d3c6abf3f294417cb16629a0e2a0d740~mv2.png

273 ms

bundle.min.js

bundle.min.js

75 ms

f0852f_59847aa36ce747a8b4b68b84359006d0~mv2.jpg

f0852f_59847aa36ce747a8b4b68b84359006d0~mv2.jpg

357 ms

Badge-attraction-sticker.png

Badge-attraction-sticker.png

295 ms

KIM%20winner_PNG.png

KIM%20winner_PNG.png

335 ms

book%20tickets_edited.png

book%20tickets_edited.png

307 ms

open%20times_edited_edited.png

open%20times_edited_edited.png

325 ms

about%20us%20headder.png

about%20us%20headder.png

331 ms

188820968_318193349746095_5503814769657744738_n.jpg

188820968_318193349746095_5503814769657744738_n.jpg

510 ms

WHATS%20ON_edited.png

WHATS%20ON_edited.png

471 ms

a92b4c_42c13f44b4574f7ca1898710b4b0b2c6~mv2.png

a92b4c_42c13f44b4574f7ca1898710b4b0b2c6~mv2.png

508 ms

a92b4c_22b5b6f582ef44d3a6f0227b33d5d27f~mv2.png

a92b4c_22b5b6f582ef44d3a6f0227b33d5d27f~mv2.png

524 ms

a92b4c_35c37971bed04f808b0f37aa7ab7214d~mv2.png

a92b4c_35c37971bed04f808b0f37aa7ab7214d~mv2.png

492 ms

National%20Emergency%20services%20museum-9.jpg

National%20Emergency%20services%20museum-9.jpg

504 ms

visit%20us.png

visit%20us.png

599 ms

National%20Emergency%20services%20museum-51.jpg

National%20Emergency%20services%20museum-51.jpg

654 ms

WHATS%20ON.png

WHATS%20ON.png

733 ms

64369406_2117780631848670_3567169479781646336_n.jpg

64369406_2117780631848670_3567169479781646336_n.jpg

670 ms

hire%20us.png

hire%20us.png

662 ms

school%20trips.png

school%20trips.png

693 ms

396543036_855070929746153_7976500102960955152_n.jpg

396543036_855070929746153_7976500102960955152_n.jpg

735 ms

contact%20us.png

contact%20us.png

769 ms

a92b4c_1b58bb39eef240798958fa300e87e0b9~mv2.png

a92b4c_1b58bb39eef240798958fa300e87e0b9~mv2.png

752 ms

a92b4c_6b17043475aa4def9e721346d2b79b58~mv2.png

a92b4c_6b17043475aa4def9e721346d2b79b58~mv2.png

807 ms

cu-logo-large.png

cu-logo-large.png

805 ms

a92b4c_324408e0de144fd8927af9f75f3c4c15~mv2.jpg

a92b4c_324408e0de144fd8927af9f75f3c4c15~mv2.jpg

883 ms

Badge-attraction-sticker.png

Badge-attraction-sticker.png

830 ms

FHNUK%20Logo.png

FHNUK%20Logo.png

854 ms

a92b4c_a823ae03dfa347d286c19da54dbc3ae3~mv2.png

a92b4c_a823ae03dfa347d286c19da54dbc3ae3~mv2.png

869 ms

SYFR%20logo.png

SYFR%20logo.png

944 ms

146 ms

141 ms

139 ms

136 ms

139 ms

137 ms

176 ms

177 ms

171 ms

172 ms

173 ms

170 ms

file.woff

file.woff

818 ms

file.woff

file.woff

684 ms

deprecation-en.v5.html

deprecation-en.v5.html

4 ms

bolt-performance

bolt-performance

18 ms

deprecation-style.v5.css

deprecation-style.v5.css

4 ms

right-arrow.svg

right-arrow.svg

14 ms

WixMadeforDisplay_W_Bd.woff

WixMadeforDisplay_W_Bd.woff

4 ms

WixMadeforText_W_Bd.woff

WixMadeforText_W_Bd.woff

4 ms

WixMadeforText_W_Rg.woff

WixMadeforText_W_Rg.woff

3 ms

Accessibility Review

emergencymuseum.org.uk accessibility score

95

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

button, link, and menuitem elements do not have accessible names.

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

Links do not have a discernible name

Best Practices

emergencymuseum.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

Page has valid source maps

SEO Factors

emergencymuseum.org.uk SEO score

100

Search Engine Optimization Advices

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Emergencymuseum.org.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 Emergencymuseum.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

emergencymuseum.org.uk

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