1.6 sec in total
109 ms
1.1 sec
397 ms
Click here to check amazing Data Science content for United States. Otherwise, check out these important facts you probably never knew about datascience.com
Data science has become a necessary leading technology for combining multiple fields including statistics, scientific methods, and data analysis to extract value from data.
Visit datascience.comWe analyzed Datascience.com page load time and found that the first response time was 109 ms and then it took 1.5 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.
datascience.com performance score
name
value
score
weighting
Value3.2 s
43/100
10%
Value9.9 s
0/100
25%
Value4.6 s
70/100
10%
Value1,220 ms
20/100
30%
Value0.186
65/100
15%
Value16.0 s
6/100
10%
109 ms
12 ms
6 ms
6 ms
32 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Datascience.com, 66% (27 requests) were made to Cdn2.hubspot.net and 7% (3 requests) were made to Static.hsstatic.net. The less responsive or slowest element that took the longest time to load (186 ms) relates to the external source T.sf14g.com.
Page size can be reduced by 222.7 kB (14%)
1.6 MB
1.4 MB
In fact, the total size of Datascience.com main page is 1.6 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. 65% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 36.6 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 8.3 kB, which is 19% 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 36.6 kB or 83% of the original size.
Potential reduce by 28.6 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. Data Science images are well optimized though.
Potential reduce by 144.7 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 144.7 kB or 67% of the original size.
Potential reduce by 12.8 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. Datascience.com needs all CSS files to be minified and compressed as it can save up to 12.8 kB or 80% of the original size.
Number of requests can be reduced by 11 (32%)
34
23
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
www.datascience.com
109 ms
jquery-1.11.2.js
12 ms
public_common.css
6 ms
layout.min.css
6 ms
DataScience_Jun2015-style.min.css
32 ms
current.js
5 ms
modernizr.js
37 ms
DataScience_Jun2015-main.min.js
29 ms
public_common.js
6 ms
datascience_logo_color.svg
12 ms
datascience_logo.svg
16 ms
sonos_logo.png
14 ms
justfab-black-1x.png
14 ms
tradesy_logo.png
15 ms
belkin_logo.png
14 ms
Dog_vacay_logo_black.png
15 ms
impactStorySlider_D-01.jpg
21 ms
impactStorySlider_B-01.jpg
21 ms
impactStorySlider_A-01.jpg
21 ms
impactStorySlider_E-01.jpg
133 ms
impactStorySlider_C-01.jpg
19 ms
DataScience_Jun2015-fonts.min.css
20 ms
9ed56a4e-6a21-4c97-958c-fa8b8ba18f18.png
105 ms
linkedin-24x24.png
101 ms
532045.js
68 ms
3e514a29-5f02-43b0-9277-3a4595e26bc7.js
121 ms
sf14g.js
186 ms
hero_home.jpg
20 ms
red_library_2.jpg
30 ms
right_tail.png
26 ms
left_tail.png
24 ms
twitter-24x24.png
19 ms
DINWeb.woff
104 ms
DINWeb-Bold.woff
68 ms
BlenderPro-BookWeb.woff
69 ms
DINWeb-LightItalic.woff
59 ms
DINWeb-LightItalic.eot
103 ms
DINWeb-LightItalic.woff
75 ms
blank.gif
14 ms
tl813.js
148 ms
help_lightblue_bottom_en.png
50 ms
datascience.com accessibility score
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-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA IDs are not unique
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
Buttons do not have an accessible name
Links do not have a discernible name
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.
datascience.com 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
datascience.com SEO score
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 Datascience.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 Datascience.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.
datascience.com
Open Graph data is detected on the main page of Data Science. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: