Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

slaveryscastles.com

Africa's Slave Castles

Page Load Speed

411 ms in total

First Response

100 ms

Resources Loaded

154 ms

Page Rendered

157 ms

slaveryscastles.com screenshot

About Website

Visit slaveryscastles.com now to see the best up-to-date Slave Rys Castles content and also check out these interesting facts you probably never knew about slaveryscastles.com

Along the coast of Africa stand about 30 grim castles, remains from the Trans-Atlantic Slave trade. Doug Henderson and Greg Merrell are working to document those castles. Check here for their story.

Visit slaveryscastles.com

Key Findings

We analyzed Slaveryscastles.com page load time and found that the first response time was 100 ms and then it took 311 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

slaveryscastles.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value0.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

slaveryscastles.com

100 ms

web_banner_800.jpg

42 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Slaveryscastles.com and no external sources were called. The less responsive or slowest element that took the longest time to load (100 ms) belongs to the original domain Slaveryscastles.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.3 kB (13%)

Content Size

103.3 kB

After Optimization

90.1 kB

In fact, the total size of Slaveryscastles.com main page is 103.3 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. Only 5% of websites need less resources to load. Images take 91.0 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 8.6 kB

  • Original 12.3 kB
  • After minification 11.2 kB
  • After compression 3.7 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 8.6 kB or 70% of the original size.

Image Optimization

-5%

Potential reduce by 4.7 kB

  • Original 91.0 kB
  • After minification 86.4 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. Slave Rys Castles images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slave Rys Castles. According to our analytics all requests are already optimized.

Accessibility Review

slaveryscastles.com accessibility score

70

Accessibility Issues

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

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

Image elements do not have [alt] attributes

Best Practices

slaveryscastles.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

slaveryscastles.com SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Slaveryscastles.com 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 Slaveryscastles.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Slave Rys Castles. 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: