3.4 sec in total
414 ms
2.3 sec
653 ms
Click here to check amazing Learn Swift content for United States. Otherwise, check out these important facts you probably never knew about learnswift.io
Learn Swift. Swift is an innovative new programming language for iOS and OSX.
Visit learnswift.ioWe analyzed Learnswift.io page load time and found that the first response time was 414 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
learnswift.io performance score
name
value
score
weighting
Value2.8 s
58/100
10%
Value3.4 s
66/100
25%
Value3.4 s
89/100
10%
Value90 ms
98/100
30%
Value0
100/100
15%
Value4.2 s
85/100
10%
414 ms
60 ms
72 ms
206 ms
59 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Learnswift.io, 35% (14 requests) were made to Use.typekit.net and 25% (10 requests) were made to Static.squarespace.com. The less responsive or slowest element that took the longest time to load (529 ms) relates to the external source Use.typekit.net.
Page size can be reduced by 244.7 kB (55%)
448.3 kB
203.6 kB
In fact, the total size of Learnswift.io main page is 448.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. HTML takes 183.2 kB which makes up the majority of the site volume.
Potential reduce by 127.9 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 127.9 kB or 70% of the original size.
Potential reduce by 14.3 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, Learn Swift needs image optimization as it can save up to 14.3 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 102.5 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 102.5 kB or 59% of the original size.
Number of requests can be reduced by 14 (52%)
27
13
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Learn Swift. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
www.learnswift.io
414 ms
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learnswift.io 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
Image elements do not have [alt] attributes
Links do not have a discernible name
learnswift.io best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
learnswift.io SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Learnswift.io 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 Learnswift.io 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.
learnswift.io
Open Graph description is not detected on the main page of Learn Swift. 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: