1.8 sec in total
158 ms
1.4 sec
210 ms
Click here to check amazing Cambridge Science Festival content for United States. Otherwise, check out these important facts you probably never knew about cambridgesciencefestival.org
200+ events and activities across Cambridge. From fashion shows to private lab tours, physics circus performances to science-themed satirical comedy, panel discussions and expert lectures to public ar...
Visit cambridgesciencefestival.orgWe analyzed Cambridgesciencefestival.org page load time and found that the first response time was 158 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
cambridgesciencefestival.org performance score
name
value
score
weighting
Value4.0 s
22/100
10%
Value12.4 s
0/100
25%
Value10.6 s
7/100
10%
Value960 ms
29/100
30%
Value0.209
59/100
15%
Value12.0 s
16/100
10%
158 ms
152 ms
281 ms
37 ms
155 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 65% of them (41 requests) were addressed to the original Cambridgesciencefestival.org, 10% (6 requests) were made to Pbs.twimg.com and 6% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (718 ms) belongs to the original domain Cambridgesciencefestival.org.
Page size can be reduced by 78.7 kB (5%)
1.5 MB
1.4 MB
In fact, the total size of Cambridgesciencefestival.org main page is 1.5 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. 50% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 18.7 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. This page needs HTML code to be minified as it can gain 7.1 kB, which is 29% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 18.7 kB or 76% of the original size.
Potential reduce by 21.7 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. Cambridge Science Festival images are well optimized though.
Potential reduce by 3.6 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 3.6 kB or 16% of the original size.
Potential reduce by 34.7 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. Cambridgesciencefestival.org needs all CSS files to be minified and compressed as it can save up to 34.7 kB or 84% of the original size.
Number of requests can be reduced by 20 (33%)
60
40
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cambridge Science Festival. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
cambridgesciencefestival.org
158 ms
www.cambridgesciencefestival.org
152 ms
Home.aspx
281 ms
jsapi
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global.js
155 ms
ieupdate.js
162 ms
cycle.js
220 ms
global.css
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home.css
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jquery.min.js
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clear.gif
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border_dashed_horizontal.gif
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icon_facebook.gif
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icon_flickr.gif
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mit.gif
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BiogenFoundation_web.png
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cityofcamb_web.jpg
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widgets.js
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border_dashed_vertical.gif
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img_footer_mit.gif
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ga.js
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timeline.d11f7a3b3287fb94220e8ee6d03cc772.js
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syndication
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timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
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syndication_bundle_v1_64fcb3dd2f6da5b5f976d91a319ef73e329c1a5d.css
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syndication_bundle_v1_64fcb3dd2f6da5b5f976d91a319ef73e329c1a5d.css
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cambridgesciencefestival.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
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
cambridgesciencefestival.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
cambridgesciencefestival.org SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cambridgesciencefestival.org 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 Cambridgesciencefestival.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.
cambridgesciencefestival.org
Open Graph description is not detected on the main page of Cambridge Science Festival. 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: