2.2 sec in total
149 ms
1.4 sec
631 ms
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Visit rosetta.comWe analyzed Rosetta.com page load time and found that the first response time was 149 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
rosetta.com performance score
name
value
score
weighting
Value6.6 s
2/100
10%
Value0
0/100
25%
Value10.1 s
9/100
10%
Value2,380 ms
5/100
30%
Value0
100/100
15%
Value15.4 s
7/100
10%
149 ms
107 ms
54 ms
383 ms
221 ms
Our browser made a total of 31 requests to load all elements on the main page. We found that 77% of them (24 requests) were addressed to the original Rosetta.com, 10% (3 requests) were made to Nexus.ensighten.com and 3% (1 request) were made to D31qbv1cthcecs.cloudfront.net. The less responsive or slowest element that took the longest time to load (386 ms) belongs to the original domain Rosetta.com.
Page size can be reduced by 653.6 kB (24%)
2.7 MB
2.1 MB
In fact, the total size of Rosetta.com main page is 2.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.9 MB which makes up the majority of the site volume.
Potential reduce by 13.1 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 2.2 kB, which is 13% 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 13.1 kB or 76% of the original size.
Potential reduce by 5.2 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. Rosetta images are well optimized though.
Potential reduce by 359.0 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 359.0 kB or 67% of the original size.
Potential reduce by 276.4 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. Rosetta.com needs all CSS files to be minified and compressed as it can save up to 276.4 kB or 88% of the original size.
Number of requests can be reduced by 7 (24%)
29
22
The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rosetta. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
rosetta.com
149 ms
www.rosetta.com
107 ms
pace.js
54 ms
main.css
383 ms
modernizr.custom.js
221 ms
Bootstrap.js
20 ms
app.js
277 ms
atrk.js
100 ms
tom-a-guitar-pick.svg
74 ms
footer-shadow.png
85 ms
home-bg-ad-age.jpg
301 ms
panel-why.png
380 ms
panel-how.png
74 ms
panel-who.png
386 ms
our-agency-v2.png
85 ms
footer-bottom-bg.png
83 ms
serverComponent.php
223 ms
din-reg.woff
14 ms
din-med.woff
194 ms
din-light.woff
14 ms
din-bold.woff
195 ms
icons.woff
194 ms
proforma-medium.woff
194 ms
proforma-book.woff
217 ms
proforma-light.woff
192 ms
proforma-ultralight.woff
216 ms
atrk.gif
209 ms
get-tweets.php
69 ms
test.png
320 ms
40cf72f068d522b2efb4d388a856d6a3.js
6 ms
rtp.js
374 ms
rosetta.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
rosetta.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
Missing source maps for large first-party JavaScript
rosetta.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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 Rosetta.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 Rosetta.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.
rosetta.com
Open Graph data is detected on the main page of Rosetta. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: