3.9 sec in total
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Welcome to fastdatascience.com homepage info - get ready to check Fast Data Science best content right away, or after learning these important things about fastdatascience.com
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Visit fastdatascience.comWe analyzed Fastdatascience.com page load time and found that the first response time was 572 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
fastdatascience.com performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value5.2 s
24/100
25%
Value7.5 s
27/100
10%
Value2,150 ms
6/100
30%
Value0.061
97/100
15%
Value6.5 s
58/100
10%
572 ms
670 ms
369 ms
44 ms
384 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 98% of them (39 requests) were addressed to the original Fastdatascience.com, 3% (1 request) were made to . The less responsive or slowest element that took the longest time to load (962 ms) belongs to the original domain Fastdatascience.com.
Page size can be reduced by 115.5 kB (19%)
607.0 kB
491.5 kB
In fact, the total size of Fastdatascience.com main page is 607.0 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. 30% of websites need less resources to load. CSS take 202.5 kB which makes up the majority of the site volume.
Potential reduce by 90.9 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 90.9 kB or 83% of the original size.
Potential reduce by 2 B
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. Fast Data Science images are well optimized though.
Potential reduce by 24.6 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 24.6 kB or 16% of the original size.
Potential reduce by 0 B
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. Fastdatascience.com has all CSS files already compressed.
Number of requests can be reduced by 15 (42%)
36
21
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Fast Data Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
fastdatascience.com
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700b58c64c2671ddd35f777198cec916.css
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salient-portfolio.js
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jquery.twenty20.js
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jquery.event.move.js
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touchswipe.min.js
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select2.min.js
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hoverIntent.min.js
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logo.png
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fastdatascience.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.
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
fastdatascience.com 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
fastdatascience.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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Fastdatascience.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 Fastdatascience.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.
fastdatascience.com
Open Graph data is detected on the main page of Fast Data Science. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: