Tools & Wizards About Us
content.historicengland.org.uk screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

content.historicengland.org.uk

Historic England - Championing England's heritage | Historic England

Page Load Speed

1.7 sec in total

First Response

168 ms

Resources Loaded

1.1 sec

Page Rendered

454 ms

content.historicengland.org.uk screenshot

About Website

Welcome to content.historicengland.org.uk homepage info - get ready to check Content Historic England best content for United Kingdom right away, or after learning these important things about content.historicengland.org.uk

We're the public body that looks after England’s historic environment. We champion historic places to help people understand, value and care for them.

Visit content.historicengland.org.uk

Key Findings

We analyzed Content.historicengland.org.uk page load time and found that the first response time was 168 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

content.historicengland.org.uk performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value4,180 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

historicengland.org.uk

168 ms

globalVariables.js

30 ms

cookieControl-9.5.min.js

44 ms

index.94b626e63d81f6ff2091.css

90 ms

index.9801d30cde789afa274d.js

45 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Content.historicengland.org.uk, 9% (6 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (559 ms) relates to the external source Historicengland.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 104.0 kB (8%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Content.historicengland.org.uk main page is 1.2 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. 70% of websites need less resources to load. Images take 940.5 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 95.5 kB

  • Original 109.6 kB
  • After minification 99.9 kB
  • After compression 14.2 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 95.5 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 5.4 kB

  • Original 940.5 kB
  • After minification 935.1 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. Content Historic England images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 3.1 kB

  • Original 38.5 kB
  • After minification 38.5 kB
  • After compression 35.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 146.5 kB
  • After minification 146.5 kB
  • After compression 146.5 kB

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. Content.historicengland.org.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 38 (70%)

Requests Now

54

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Content Historic England. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

historicengland.org.uk

historicengland.org.uk

168 ms

globalVariables.js

globalVariables.js

30 ms

cookieControl-9.5.min.js

cookieControl-9.5.min.js

44 ms

index.94b626e63d81f6ff2091.css

index.94b626e63d81f6ff2091.css

90 ms

index.9801d30cde789afa274d.js

index.9801d30cde789afa274d.js

45 ms

cookieControl.070ce3c184ecc48b4575.js

cookieControl.070ce3c184ecc48b4575.js

48 ms

js.cookie.min.mjs

js.cookie.min.mjs

126 ms

browserModal.mjs

browserModal.mjs

63 ms

js.cookie.min.js

js.cookie.min.js

55 ms

browserModal.js

browserModal.js

73 ms

pa-5c98b9261872b50016000a0a.js

pa-5c98b9261872b50016000a0a.js

24 ms

gtm.js

gtm.js

97 ms

HE_Logo_RGB.svg

HE_Logo_RGB.svg

42 ms

css2

css2

59 ms

ai.0.js

ai.0.js

173 ms

cookie-link.09d18249c28c9eb8dc83.js

cookie-link.09d18249c28c9eb8dc83.js

137 ms

object-fit-images.e29332f4ac767e955bb1.js

object-fit-images.e29332f4ac767e955bb1.js

136 ms

url-search-params.4ed2835f1795a40e6190.js

url-search-params.4ed2835f1795a40e6190.js

204 ms

classlist-polyfill.5f2aa40796ffbfa289a1.js

classlist-polyfill.5f2aa40796ffbfa289a1.js

202 ms

element-remove.28606a22f816848ab2df.js

element-remove.28606a22f816848ab2df.js

205 ms

vendors~picturefill.05889e8ca2c0f6bbb960.js

vendors~picturefill.05889e8ca2c0f6bbb960.js

135 ms

embed-content.c828bf67f02313e71e9c.js

embed-content.c828bf67f02313e71e9c.js

266 ms

vendors~archive-record~archive-search~back-to-top~feature-image~focus-keyboard~horizontal-list~hp-si~85be0595.14de5aa5f64d9a716aad.js

vendors~archive-record~archive-search~back-to-top~feature-image~focus-keyboard~horizontal-list~hp-si~85be0595.14de5aa5f64d9a716aad.js

265 ms

focus-keyboard.a25f4b2242f69cc61d9b.js

focus-keyboard.a25f4b2242f69cc61d9b.js

264 ms

back-to-top.08d0863a71e1d1ba0a8b.js

back-to-top.08d0863a71e1d1ba0a8b.js

263 ms

1.c6d8e9784f5b3e39ec2c.js

1.c6d8e9784f5b3e39ec2c.js

263 ms

2.66d491dda2090fd46275.js

2.66d491dda2090fd46275.js

263 ms

vendors~navigation-primary.4a85529728d1bb38e5af.js

vendors~navigation-primary.4a85529728d1bb38e5af.js

294 ms

navigation-primary.c81e4bc1fa6553f2e2dc.js

navigation-primary.c81e4bc1fa6553f2e2dc.js

559 ms

5.0dd52cf3116cc59a14e8.js

5.0dd52cf3116cc59a14e8.js

292 ms

print.b8bb2ed7947bae7a2eee.js

print.b8bb2ed7947bae7a2eee.js

307 ms

new-window-links.a18e7c2eeca20e02845d.js

new-window-links.a18e7c2eeca20e02845d.js

293 ms

vendors~fancybox~lightbox~localpages-localpages.e4ce071436e1619cbedf.js

vendors~fancybox~lightbox~localpages-localpages.e4ce071436e1619cbedf.js

293 ms

vendors~fancybox.83e9e1f781fbaa2d1c92.js

vendors~fancybox.83e9e1f781fbaa2d1c92.js

327 ms

vendors~lightbox.b6c9de332f558b48e4d1.js

vendors~lightbox.b6c9de332f558b48e4d1.js

310 ms

lightbox.47cd31c447be8320a621.js

lightbox.47cd31c447be8320a621.js

317 ms

feature-image.94fd924888c6e74df006.js

feature-image.94fd924888c6e74df006.js

364 ms

9.f6d354c977b5f69795c2.js

9.f6d354c977b5f69795c2.js

423 ms

lazy-loading.20438e33f2651ee4a7f1.js

lazy-loading.20438e33f2651ee4a7f1.js

365 ms

vendors~focus-modal.27063cc7bff0ca378118.js

vendors~focus-modal.27063cc7bff0ca378118.js

365 ms

focus-modal.ac1d93f2685ac42bcebe.js

focus-modal.ac1d93f2685ac42bcebe.js

364 ms

hp-sign-in.a34ee4557c768f93129a.js

hp-sign-in.a34ee4557c768f93129a.js

379 ms

v

v

509 ms

chrome.svg

chrome.svg

358 ms

safari.svg

safari.svg

364 ms

firefox.svg

firefox.svg

379 ms

edge.svg

edge.svg

374 ms

js

js

95 ms

sourcesanspro-300-webfont.e53f57c3fca178ec115ace89a59a3ecd.woff

sourcesanspro-300-webfont.e53f57c3fca178ec115ace89a59a3ecd.woff

352 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ik4zAkA.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ik4zAkA.ttf

112 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3i94_AkA.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3i94_AkA.ttf

113 ms

sourcesanspro-400-webfont.290102d77987ca134c592e68c31203f8.woff

sourcesanspro-400-webfont.290102d77987ca134c592e68c31203f8.woff

350 ms

6xK3dSBYKcSV-LCoeQqfX1RYOo3aPw.ttf

6xK3dSBYKcSV-LCoeQqfX1RYOo3aPw.ttf

114 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rAkA.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rAkA.ttf

176 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vAkA.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vAkA.ttf

177 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3iu4nAkA.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3iu4nAkA.ttf

177 ms

jYbBJLfBD8NShkAuWymfrVo1PEhrx4qyv9L2ev8A4l7o5QAAAA==

jYbBJLfBD8NShkAuWymfrVo1PEhrx4qyv9L2ev8A4l7o5QAAAA==

1 ms

the-old-blacksmiths-shop-dp276780.jpg

the-old-blacksmiths-shop-dp276780.jpg

195 ms

tubwell-row-darlington.jpg

tubwell-row-darlington.jpg

194 ms

dp182599_crop.jpg

dp182599_crop.jpg

226 ms

jlp01_08_008844.jpg

jlp01_08_008844.jpg

228 ms

new-archive-image-phoenix-hall-and-children-tpng.jpg

new-archive-image-phoenix-hall-and-children-tpng.jpg

247 ms

brixton-windmill-3-group.jpg

brixton-windmill-3-group.jpg

222 ms

sandra-kazlauskaite_dsc00245_photography_credit_emm-nunn_2500.jpg

sandra-kazlauskaite_dsc00245_photography_credit_emm-nunn_2500.jpg

227 ms

sam-al-hamdani-1163815-etl.jpeg

sam-al-hamdani-1163815-etl.jpeg

35 ms

Accessibility Review

content.historicengland.org.uk accessibility score

92

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

Best Practices

content.historicengland.org.uk best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

content.historicengland.org.uk SEO score

92

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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 Content.historicengland.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 Content.historicengland.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

content.historicengland.org.uk

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