2 sec in total
170 ms
999 ms
799 ms
Click here to check amazing Cambridge History content for United States. Otherwise, check out these important facts you probably never knew about cambridgehistory.org
Original research by History Cambridge staff, interns, volunteers, and community members, articles, oral histories, and online exhibitions.
Visit cambridgehistory.orgWe analyzed Cambridgehistory.org page load time and found that the first response time was 170 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
cambridgehistory.org performance score
name
value
score
weighting
Value3.0 s
48/100
10%
Value4.6 s
34/100
25%
Value4.7 s
69/100
10%
Value960 ms
29/100
30%
Value0.08
94/100
15%
Value11.8 s
17/100
10%
170 ms
124 ms
17 ms
22 ms
41 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Cambridgehistory.org, 88% (43 requests) were made to Historycambridge.org and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (266 ms) relates to the external source Gstatic.com.
Page size can be reduced by 370.1 kB (18%)
2.0 MB
1.6 MB
In fact, the total size of Cambridgehistory.org main page is 2.0 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 1.6 MB which makes up the majority of the site volume.
Potential reduce by 154.3 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 154.3 kB or 86% of the original size.
Potential reduce by 192.6 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. Obviously, Cambridge History needs image optimization as it can save up to 192.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 7.0 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.
Potential reduce by 16.2 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. Cambridgehistory.org needs all CSS files to be minified and compressed as it can save up to 16.2 kB or 14% of the original size.
Number of requests can be reduced by 33 (77%)
43
10
The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cambridge History. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
cambridgehistory.org
170 ms
historycambridge.org
124 ms
wp-emoji-release.min.js
17 ms
style.min.css
22 ms
jquery.bxslider.css
41 ms
dashicons.min.css
41 ms
all.min.css
47 ms
2-layout.css
54 ms
style.css
45 ms
jquery.magnificpopup.min.css
65 ms
61ab1625723fada2f58235ac2b14e584-layout-bundle.css
66 ms
style.css
78 ms
base.min.css
78 ms
skin-6318e1114411c.css
84 ms
css
96 ms
jquery.min.js
94 ms
jquery-migrate.min.js
123 ms
imagesloaded.min.js
94 ms
js
215 ms
jquery.easing.min.js
90 ms
jquery.fitvids.min.js
197 ms
jquery.bxslider.min.js
200 ms
jquery.waypoints.min.js
198 ms
2-layout.js
208 ms
ctct-plugin-recaptcha-v2.min.js
201 ms
api.js
211 ms
ctct-plugin-frontend.min.js
199 ms
jquery.ba-throttle-debounce.min.js
200 ms
jquery.magnificpopup.min.js
202 ms
masonry.min.js
202 ms
jquery.masonry.min.js
203 ms
jquery.infinitescroll.min.js
206 ms
ed042742d288a22b2c6c9f15c8c32703-layout-bundle.js
206 ms
script.min.js
206 ms
theme.min.js
206 ms
script.js
208 ms
HC-Array-and-Logotype-Low-Res.png
37 ms
053022i-HC-Forgotten-Souls.jpg
94 ms
AML-Karl-Young-Fanny-Stone-HWLD.webp
39 ms
here-lies-darby-vassall.png
41 ms
Japanese-Photograph-by-Charles-Longfellow.webp
37 ms
toni-bee.png
96 ms
HC-Icon-White-Screen-768x768.png
39 ms
fa-brands-400.woff
188 ms
wARDj0u
182 ms
fa-regular-400.woff
184 ms
fa-solid-900.woff
185 ms
recaptcha__en.js
266 ms
bx_loader.gif
22 ms
cambridgehistory.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Links do not have a discernible name
cambridgehistory.org 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
Page has valid source maps
cambridgehistory.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Cambridgehistory.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 Cambridgehistory.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.
cambridgehistory.org
Open Graph description is not detected on the main page of Cambridge History. 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: