1.1 sec in total
12 ms
826 ms
271 ms
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Visit retentionscience.comWe analyzed Retentionscience.com page load time and found that the first response time was 12 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
retentionscience.com performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value10.2 s
0/100
25%
Value9.0 s
14/100
10%
Value3,080 ms
2/100
30%
Value0.185
66/100
15%
Value18.2 s
3/100
10%
12 ms
28 ms
26 ms
12 ms
73 ms
Our browser made a total of 72 requests to load all elements on the main page. We found that 50% of them (36 requests) were addressed to the original Retentionscience.com, 7% (5 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Track.hubspot.com. The less responsive or slowest element that took the longest time to load (330 ms) relates to the external source No-cache.hubspot.com.
Page size can be reduced by 687.8 kB (48%)
1.4 MB
759.2 kB
In fact, the total size of Retentionscience.com main page is 1.4 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. 60% of websites need less resources to load. Javascripts take 769.6 kB which makes up the majority of the site volume.
Potential reduce by 29.9 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. This page needs HTML code to be minified as it can gain 4.4 kB, which is 11% 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 29.9 kB or 76% of the original size.
Potential reduce by 47.7 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, Retention Science needs image optimization as it can save up to 47.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 436.1 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 436.1 kB or 57% of the original size.
Potential reduce by 174.3 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. Retentionscience.com needs all CSS files to be minified and compressed as it can save up to 174.3 kB or 84% of the original size.
Number of requests can be reduced by 34 (53%)
64
30
The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Retention 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 24 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
retentionscience.com
12 ms
www.retentionscience.com
28 ms
bootstrap.min.css
26 ms
merged.style.css
12 ms
jquery.min.js
73 ms
typed.js
20 ms
current.js
176 ms
bootstrap.min.js
22 ms
affix.js
21 ms
main.js
21 ms
cookie_script.js
20 ms
jquery.appear.js
21 ms
popover-v1.js
33 ms
current.js
168 ms
css
41 ms
css
53 ms
logo.png
15 ms
282d3b2c-d6e6-4339-9486-8928ead23b14.png
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corner_blue_top_right.png
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corner_blue_bottom_left.png
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hp_down_btn.png
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hp_img5_960x470_999.jpg
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target.png
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honest.png
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gamefly.gif
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dollashaveclub.png
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wetseal.png
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experian.png
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novica.png
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bcbg.png
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aloha.png
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diamondcandles.png
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blue_sectiong_6.jpg
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dashboard.png
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logo_case.png
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bg_grid.png
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hp_bg6.jpg
25 ms
play_btn.png
23 ms
hp_bg4.jpg
27 ms
bg_grid_sch.png
23 ms
35951a78-c1ef-4131-b71c-0a608dbcc702
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footer_bg.png
83 ms
gtm.js
80 ms
jquery.fancybox.css
85 ms
social_footer.png
7 ms
9437.js
76 ms
cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff
34 ms
DXI1ORHCpsQm3Vp6mXoaTXhCUOGz7vYGh680lGh-uXM.woff
77 ms
MTP_ySUJH_bn48VBG8sNSnhCUOGz7vYGh680lGh-uXM.woff
90 ms
k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff
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haOjnueK8Or1ztuuRtr8dvesZW2xOQ-xsNqO47m55DA.woff
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dc.js
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fbds.js
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oct.js
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tracking.js
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conversion.js
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adsct
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button_bg.png
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__utm.gif
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148 ms
script_data.js
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roundtrip.js
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__ptq.gif
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loader-v2.js
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__ptq.gif
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VSBSWZKEZJHKBFL3XMZT2B.js
154 ms
retentionscience.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
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.
retentionscience.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
retentionscience.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
Image elements do not have [alt] attributes
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 Retentionscience.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 Retentionscience.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.
retentionscience.com
Open Graph description is not detected on the main page of Retention Science. 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: