14.3 sec in total
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Welcome to historylondon.org homepage info - get ready to check History London best content right away, or after learning these important things about historylondon.org
Transmitting gobbets of London's past...
Visit historylondon.orgWe analyzed Historylondon.org page load time and found that the first response time was 4.8 sec and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
historylondon.org performance score
name
value
score
weighting
Value2.7 s
60/100
10%
Value6.5 s
9/100
25%
Value9.7 s
11/100
10%
Value2,290 ms
5/100
30%
Value0
100/100
15%
Value18.1 s
3/100
10%
4782 ms
187 ms
196 ms
138 ms
141 ms
Our browser made a total of 120 requests to load all elements on the main page. We found that 23% of them (28 requests) were addressed to the original Historylondon.org, 24% (29 requests) were made to I0.wp.com and 11% (13 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Historylondon.org.
Page size can be reduced by 381.6 kB (9%)
4.1 MB
3.7 MB
In fact, the total size of Historylondon.org main page is 4.1 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. 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. Images take 3.3 MB which makes up the majority of the site volume.
Potential reduce by 179.3 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 179.3 kB or 80% of the original size.
Potential reduce by 1.9 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. History London images are well optimized though.
Potential reduce by 174.6 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 174.6 kB or 38% of the original size.
Potential reduce by 25.8 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. Historylondon.org needs all CSS files to be minified and compressed as it can save up to 25.8 kB or 31% of the original size.
Number of requests can be reduced by 62 (56%)
110
48
The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of History London. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
historylondon.org
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style.min.css
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historylondon.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
ARIA IDs are not unique
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
historylondon.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
historylondon.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Historylondon.org 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 Historylondon.org 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.
historylondon.org
Open Graph data is detected on the main page of History London. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: