Tools & Wizards About Us
archaeology.crossrail.co.uk screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

archaeology.crossrail.co.uk

Tunnel: The Archaeology of Crossrail - Crossrail Archaeology Museum

Page Load Speed

11.1 sec in total

First Response

305 ms

Resources Loaded

10.7 sec

Page Rendered

121 ms

archaeology.crossrail.co.uk screenshot

About Website

Welcome to archaeology.crossrail.co.uk homepage info - get ready to check Archaeology Crossrail best content for United Kingdom right away, or after learning these important things about archaeology.crossrail.co.uk

Explore the most complete range of archaeological objects unearthed by Crossrail, Europe’s largest infrastructure project.

Visit archaeology.crossrail.co.uk

Key Findings

We analyzed Archaeology.crossrail.co.uk page load time and found that the first response time was 305 ms and then it took 10.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

archaeology.crossrail.co.uk performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value15.3 s

1/100

10%

TBT (Total Blocking Time)

Value32,170 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value40.3 s

0/100

10%

Network Requests Diagram

archaeology.crossrail.co.uk

305 ms

style.min.css

255 ms

retina.css

194 ms

foundation.css

294 ms

jquery.min.js

29 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 73% of them (67 requests) were addressed to the original Archaeology.crossrail.co.uk, 14% (13 requests) were made to Maps.googleapis.com and 4% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (5.5 sec) relates to the external source Fonts.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 346.3 kB (56%)

Content Size

615.3 kB

After Optimization

269.0 kB

  • Images
  • JavaScript

In fact, the total size of Archaeology.crossrail.co.uk main page is 615.3 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. 80% 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. Javascripts take 615.2 kB which makes up the majority of the site volume.

HTML Optimization

-0%

Potential reduce by -8 B

  • Original 0 B

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 web page is already compressed.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 68 B
  • After minification 68 B

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. Archaeology Crossrail images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 346.3 kB

  • Original 615.2 kB
  • After minification 544.1 kB
  • After compression 268.9 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 346.3 kB or 56% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (48%)

Requests Now

85

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Archaeology Crossrail. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

archaeology.crossrail.co.uk

archaeology.crossrail.co.uk

305 ms

style.min.css

style.min.css

255 ms

retina.css

retina.css

194 ms

foundation.css

foundation.css

294 ms

jquery.min.js

jquery.min.js

29 ms

email-decode.min.js

email-decode.min.js

25 ms

imagerotator.js

imagerotator.js

426 ms

foundation.js

foundation.js

770 ms

js

js

64 ms

simplemarker.js

simplemarker.js

252 ms

panomarker.js

panomarker.js

737 ms

panomarker-custom.js

panomarker-custom.js

191 ms

svgoverlay.js

svgoverlay.js

215 ms

fastclick.js

fastclick.js

735 ms

angular.js

angular.js

1043 ms

angular-ui-router.js

angular-ui-router.js

856 ms

index.js

index.js

764 ms

panorama-directive.js

panorama-directive.js

763 ms

minimap-directive.js

minimap-directive.js

761 ms

panorama.js

panorama.js

864 ms

cookie.js

cookie.js

850 ms

filters.js

filters.js

798 ms

main.js

main.js

913 ms

analytics.js

analytics.js

381 ms

menu.svg

menu.svg

524 ms

crossrail-logo.svg

crossrail-logo.svg

644 ms

mol-logo.svg

mol-logo.svg

880 ms

tunnel-exhibition-logo.svg

tunnel-exhibition-logo.svg

887 ms

arrow-right.svg

arrow-right.svg

547 ms

tfl-logo.svg

tfl-logo.svg

560 ms

dft-logo.svg

dft-logo.svg

1338 ms

mayor-logo.svg

mayor-logo.svg

883 ms

OpenSans.woff

OpenSans.woff

1302 ms

klavika_regular_plain-webfont.woff

klavika_regular_plain-webfont.woff

843 ms

collect

collect

92 ms

gen_204

gen_204

21 ms

collect

collect

70 ms

home.html

home.html

184 ms

common.js

common.js

212 ms

util.js

util.js

215 ms

geometry.js

geometry.js

301 ms

streetview.js

streetview.js

302 ms

map.js

map.js

292 ms

exhibits

exhibits

4203 ms

minimap.svg

minimap.svg

358 ms

overlay.js

overlay.js

210 ms

expand.svg

expand.svg

340 ms

guide.svg

guide.svg

337 ms

object.svg

object.svg

231 ms

video.svg

video.svg

233 ms

image.svg

image.svg

457 ms

info.svg

info.svg

454 ms

imagery_viewer.js

imagery_viewer.js

78 ms

controls.js

controls.js

58 ms

openhand_8_8.cur

openhand_8_8.cur

146 ms

onion.js

onion.js

121 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

85 ms

view-arrow.svg

view-arrow.svg

212 ms

transparent.png

transparent.png

185 ms

css

css

258 ms

css

css

259 ms

QuotaService.RecordEvent

QuotaService.RecordEvent

114 ms

0.jpg

0.jpg

101 ms

minimap-location.svg

minimap-location.svg

3309 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

3295 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

3295 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

5499 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

5499 ms

2.jpg

2.jpg

2253 ms

3.jpg

3.jpg

2252 ms

3.jpg

3.jpg

2251 ms

1.jpg

1.jpg

2253 ms

2.jpg

2.jpg

2252 ms

2.jpg

2.jpg

2250 ms

3.jpg

3.jpg

2253 ms

3.jpg

3.jpg

2254 ms

2.jpg

2.jpg

2255 ms

2.jpg

2.jpg

2256 ms

3.jpg

3.jpg

2254 ms

3.jpg

3.jpg

2256 ms

3.jpg

3.jpg

2254 ms

1.jpg

1.jpg

2256 ms

1.jpg

1.jpg

2256 ms

4.jpg

4.jpg

2257 ms

4.jpg

4.jpg

2258 ms

5.jpg

5.jpg

2258 ms

5.jpg

5.jpg

2258 ms

6.jpg

6.jpg

2260 ms

4.jpg

4.jpg

2258 ms

4.jpg

4.jpg

2260 ms

5.jpg

5.jpg

2259 ms

5.jpg

5.jpg

2261 ms

Accessibility Review

archaeology.crossrail.co.uk accessibility score

92

Accessibility Issues

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

archaeology.crossrail.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

archaeology.crossrail.co.uk SEO score

92

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 Archaeology.crossrail.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 Archaeology.crossrail.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

archaeology.crossrail.co.uk

Open Graph description is not detected on the main page of Archaeology Crossrail. 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: