Ifets.info Site Title

Best Coursera Courses & Certificates in 25 categories [2023]

Ifets.info Meta Description

Learn Online from Top Universities in 2023 with Best+Free Coursera Courses in Data Science, Machine Learning, Python, R, AI, Business, Finance, Accounting, Marketing, Web Development, Programming, IT, Design, Psychology, Health, Math, Language and more

Ifets.info Test Results

ifets.info Mobile Usability: 100/100


ifets.info Mobile Speed: 65/100

Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 6 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Optimize CSS Delivery of the following:
http://ifets.info/styles/normalize.css
...
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://ifets.info/images/arrow.png (expiration not specified)
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 17.9KiB (64% reduction).
Compressing http://ifets.info/images/ets_frontPage.jpg could save 12.3KiB (66% reduction).
...
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 2.2KiB (34% reduction).
Minifying http://ifets.info/styles/normalize.css could save 1.3KiB (60% reduction) after compression.
...
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 975B (15% reduction).
Minifying http://www.google-analytics.com/urchin.js could save 975B (15% reduction) after compression.
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 922B (25% reduction).
Minifying http://ifets.info/ could save 922B (25% reduction) after compression.

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