3.8 sec in total
328 ms
3.1 sec
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Welcome to cdn.historyextra.com homepage info - get ready to check Cdn History Extra best content for United States right away, or after learning these important things about cdn.historyextra.com
Thousands of historical articles on both British and world history for all levels of knowledge and interest.
Visit cdn.historyextra.comWe analyzed Cdn.historyextra.com page load time and found that the first response time was 328 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
cdn.historyextra.com performance score
name
value
score
weighting
Value2.3 s
74/100
10%
Value13.8 s
0/100
25%
Value7.5 s
26/100
10%
Value2,690 ms
3/100
30%
Value0.039
99/100
15%
Value22.0 s
1/100
10%
328 ms
41 ms
165 ms
247 ms
28 ms
Our browser made a total of 202 requests to load all elements on the main page. We found that 7% of them (14 requests) were addressed to the original Cdn.historyextra.com, 10% (20 requests) were made to Pixel.rubiconproject.com and 9% (19 requests) were made to Cdn2.historyextra.com. The less responsive or slowest element that took the longest time to load (940 ms) relates to the external source Tags.adzip.co.
Page size can be reduced by 1.2 MB (45%)
2.6 MB
1.4 MB
In fact, the total size of Cdn.historyextra.com main page is 2.6 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. Javascripts take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 124.2 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 124.2 kB or 83% of the original size.
Potential reduce by 42.8 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. Cdn History Extra images are well optimized though.
Potential reduce by 795.6 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 795.6 kB or 68% of the original size.
Potential reduce by 227.7 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. Cdn.historyextra.com needs all CSS files to be minified and compressed as it can save up to 227.7 kB or 83% of the original size.
Number of requests can be reduced by 114 (64%)
178
64
The browser has sent 178 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cdn History Extra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 58 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
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cdn.historyextra.com 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
cdn.historyextra.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
cdn.historyextra.com SEO score
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cdn.historyextra.com 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 Cdn.historyextra.com 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.
cdn.historyextra.com
Open Graph description is not detected on the main page of Cdn History Extra. 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: