1.8 sec in total
60 ms
1.6 sec
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Visit blog.siftscience.comWe analyzed Blog.siftscience.com page load time and found that the first response time was 60 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
blog.siftscience.com performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value4.5 s
37/100
25%
Value8.1 s
21/100
10%
Value1,940 ms
8/100
30%
Value0
100/100
15%
Value22.3 s
1/100
10%
60 ms
57 ms
109 ms
63 ms
5 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 3% of them (3 requests) were addressed to the original Blog.siftscience.com, 29% (26 requests) were made to Use.typekit.net and 18% (16 requests) were made to Static1.squarespace.com. The less responsive or slowest element that took the longest time to load (400 ms) relates to the external source Use.typekit.net.
Page size can be reduced by 238.5 kB (45%)
531.9 kB
293.4 kB
In fact, the total size of Blog.siftscience.com main page is 531.9 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. 70% of websites need less resources to load. Images take 206.5 kB which makes up the majority of the site volume.
Potential reduce by 133.6 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 22.6 kB, which is 15% 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 133.6 kB or 87% of the original size.
Potential reduce by 20.0 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. Blog Sift Science images are well optimized though.
Potential reduce by 85.0 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 85.0 kB or 50% of the original size.
Number of requests can be reduced by 39 (64%)
61
22
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog Sift 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 from 5 to 1 for CSS and as a result speed up the page load time.
blog.siftscience.com
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blog.siftscience.com accessibility score
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
No form fields have multiple labels
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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 IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
blog.siftscience.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
Browser errors were logged to the console
blog.siftscience.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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 Blog.siftscience.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 Blog.siftscience.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.
blog.siftscience.com
Open Graph data is detected on the main page of Blog Sift Science. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: