5.1 sec in total
347 ms
3.4 sec
1.4 sec
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Visit mitopencourseware.wordpress.comWe analyzed Mitopencourseware.wordpress.com page load time and found that the first response time was 347 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
mitopencourseware.wordpress.com performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value5.0 s
27/100
25%
Value3.6 s
86/100
10%
Value130 ms
96/100
30%
Value0.141
78/100
15%
Value6.4 s
60/100
10%
347 ms
99 ms
113 ms
110 ms
109 ms
Our browser made a total of 155 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Mitopencourseware.wordpress.com, 10% (15 requests) were made to Apis.google.com and 9% (14 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (990 ms) relates to the external source S.ytimg.com.
Page size can be reduced by 1.2 MB (45%)
2.6 MB
1.4 MB
In fact, the total size of Mitopencourseware.wordpress.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. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 194.7 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 194.7 kB or 84% of the original size.
Potential reduce by 19.0 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. MIT Open Course Ware Wordpress images are well optimized though.
Potential reduce by 712.6 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 712.6 kB or 71% of the original size.
Potential reduce by 229.4 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. Mitopencourseware.wordpress.com needs all CSS files to be minified and compressed as it can save up to 229.4 kB or 75% of the original size.
Number of requests can be reduced by 82 (56%)
146
64
The browser has sent 146 CSS, Javascripts, AJAX and image requests in order to completely render the main page of MIT Open Course Ware Wordpress. 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 17 to 1 for CSS and as a result speed up the page load time.
mitopencourseware.wordpress.com
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style.css
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mitopencourseware.wordpress.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
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.
mitopencourseware.wordpress.com 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
mitopencourseware.wordpress.com 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
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 Mitopencourseware.wordpress.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 Mitopencourseware.wordpress.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.
mitopencourseware.wordpress.com
Open Graph data is detected on the main page of MIT Open Course Ware Wordpress. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: