Tools & Wizards About Us
blackhistorywalks.co.uk screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

blackhistorywalks.co.uk

Black History Walks

Page Load Speed

12.5 sec in total

First Response

2.8 sec

Resources Loaded

8.9 sec

Page Rendered

811 ms

blackhistorywalks.co.uk screenshot

About Website

Welcome to blackhistorywalks.co.uk homepage info - get ready to check Black History Walks best content right away, or after learning these important things about blackhistorywalks.co.uk

Black History Walks offer walking tours, educational talks and films in London. We work with museums, schools, communities and universities

Visit blackhistorywalks.co.uk

Key Findings

We analyzed Blackhistorywalks.co.uk page load time and found that the first response time was 2.8 sec and then it took 9.7 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

blackhistorywalks.co.uk performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value21.6 s

0/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value27.0 s

0/100

10%

Network Requests Diagram

blackhistorywalks.co.uk

2825 ms

cookie-law-info-public.css

257 ms

cookie-law-info-gdpr.css

318 ms

testimonial-rotator-style.css

323 ms

font-awesome.min.css

28 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 89% of them (66 requests) were addressed to the original Blackhistorywalks.co.uk, 3% (2 requests) were made to Netdna.bootstrapcdn.com and 3% (2 requests) were made to Tracker.metricool.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Blackhistorywalks.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 345.2 kB (5%)

Content Size

7.4 MB

After Optimization

7.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blackhistorywalks.co.uk main page is 7.4 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. 55% of websites need less resources to load. Images take 6.8 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 207.5 kB

  • Original 245.3 kB
  • After minification 243.2 kB
  • After compression 37.8 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 207.5 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 72.6 kB

  • Original 6.8 MB
  • After minification 6.7 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. Black History Walks images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 32.7 kB

  • Original 175.4 kB
  • After minification 175.4 kB
  • After compression 142.7 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 32.7 kB or 19% of the original size.

CSS Optimization

-22%

Potential reduce by 32.3 kB

  • Original 148.2 kB
  • After minification 148.2 kB
  • After compression 115.8 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. Blackhistorywalks.co.uk needs all CSS files to be minified and compressed as it can save up to 32.3 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (49%)

Requests Now

70

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black History Walks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

blackhistorywalks.co.uk

blackhistorywalks.co.uk

2825 ms

cookie-law-info-public.css

cookie-law-info-public.css

257 ms

cookie-law-info-gdpr.css

cookie-law-info-gdpr.css

318 ms

testimonial-rotator-style.css

testimonial-rotator-style.css

323 ms

font-awesome.min.css

font-awesome.min.css

28 ms

css

css

36 ms

style.min.css

style.min.css

673 ms

gravityforms.min.css

gravityforms.min.css

329 ms

woocommerce.min.css

woocommerce.min.css

334 ms

Defaults.css

Defaults.css

381 ms

style.min.css

style.min.css

434 ms

slick.min.css

slick.min.css

439 ms

icons.css

icons.css

456 ms

animate.min.css

animate.min.css

474 ms

jquery.min.js

jquery.min.js

556 ms

cookie-law-info-public.js

cookie-law-info-public.js

569 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

550 ms

js.cookie.min.js

js.cookie.min.js

577 ms

woocommerce.min.js

woocommerce.min.js

587 ms

jquery.cycletwo.js

jquery.cycletwo.js

703 ms

jquery.cycletwo.addons.js

jquery.cycletwo.addons.js

701 ms

ultimate-params.min.js

ultimate-params.min.js

701 ms

slick.min.js

slick.min.js

709 ms

jquery-appear.min.js

jquery-appear.min.js

705 ms

slick-custom.min.js

slick-custom.min.js

787 ms

sidebarv2.js

sidebarv2.js

24 ms

embed.js

embed.js

51 ms

wc-blocks.css

wc-blocks.css

719 ms

background-style.min.css

background-style.min.css

719 ms

sourcebuster.min.js

sourcebuster.min.js

756 ms

order-attribution.min.js

order-attribution.min.js

756 ms

us.core.min.js

us.core.min.js

879 ms

no-right-click-images-frontend.js

no-right-click-images-frontend.js

785 ms

ultimate_bg.min.js

ultimate_bg.min.js

798 ms

custom.min.js

custom.min.js

785 ms

lazyload.min.js

lazyload.min.js

853 ms

gtm.js

gtm.js

133 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

32 ms

be.js

be.js

38 ms

c3po.jpg

c3po.jpg

385 ms

bhw-logo-2.png

bhw-logo-2.png

256 ms

bbc-logo.png

bbc-logo.png

120 ms

web-Copy-for-new-site-1024x1017.jpeg

web-Copy-for-new-site-1024x1017.jpeg

371 ms

download.png

download.png

118 ms

Pearson-migration-book-Copy-225-x-225.jpg

Pearson-migration-book-Copy-225-x-225.jpg

176 ms

time-out-logo.png

time-out-logo.png

120 ms

conde-nast-logo.png

conde-nast-logo.png

264 ms

c4-logo.png

c4-logo.png

243 ms

itv-logo.png

itv-logo.png

242 ms

darcus-howe-plaque_225.jpg

darcus-howe-plaque_225.jpg

372 ms

nda-nomination-logo.jpg

nda-nomination-logo.jpg

318 ms

teachers-tv-logo.png

teachers-tv-logo.png

394 ms

the-voice-newspaper.png

the-voice-newspaper.png

380 ms

black-travel-alliance-logo.jpg

black-travel-alliance-logo.jpg

512 ms

no-madness-logo.png

no-madness-logo.png

439 ms

web-Copy-for-new-site-150x150.jpeg

web-Copy-for-new-site-150x150.jpeg

512 ms

river-cruise-150x150.jpg

river-cruise-150x150.jpg

515 ms

tour-image-150x150.jpg

tour-image-150x150.jpg

531 ms

tour-guide-t-with-students-from-Dayton-university-150x150.jpg

tour-guide-t-with-students-from-Dayton-university-150x150.jpg

544 ms

Dayton_group-150x150.jpg

Dayton_group-150x150.jpg

562 ms

walkers-150x150.jpg

walkers-150x150.jpg

638 ms

soho_walk-150x150.jpg

soho_walk-150x150.jpg

641 ms

University_of_South_florida_Scott_Solomon_800x450-150x150.jpg

University_of_South_florida_Scott_Solomon_800x450-150x150.jpg

660 ms

river-cruise-gallery-image-150x150.jpg

river-cruise-gallery-image-150x150.jpg

677 ms

IMG-20240514-WA0002-baldwin-erase-job-edit-150x150.jpg

IMG-20240514-WA0002-baldwin-erase-job-edit-150x150.jpg

702 ms

web-Copy-for-new-site.jpeg

web-Copy-for-new-site.jpeg

920 ms

Picture-book-cover-front-and-back.jpg

Picture-book-cover-front-and-back.jpg

826 ms

about-black-history-walks-image-2-1024x768.jpg

about-black-history-walks-image-2-1024x768.jpg

987 ms

Mills_Florence-300x300.jpg

Mills_Florence-300x300.jpg

804 ms

history_in_quotes___toussaint_louverture_by_theculturalmoment_deyzntj-pre.jpg

history_in_quotes___toussaint_louverture_by_theculturalmoment_deyzntj-pre.jpg

948 ms

IMG-20211221-WA0015-edit-300x300.jpg

IMG-20211221-WA0015-edit-300x300.jpg

886 ms

black-history-main-hero-banner.png

black-history-main-hero-banner.png

1801 ms

ajax-loader.gif

ajax-loader.gif

944 ms

ult-silk.woff

ult-silk.woff

990 ms

Accessibility Review

blackhistorywalks.co.uk accessibility score

91

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

ARIA input fields do not have accessible names

High

ARIA toggle fields 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.

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

Links do not have a discernible name

Best Practices

blackhistorywalks.co.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

blackhistorywalks.co.uk SEO score

91

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 Blackhistorywalks.co.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 Blackhistorywalks.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

blackhistorywalks.co.uk

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