4.9 sec in total
189 ms
4.1 sec
617 ms
Welcome to sutrobio.com homepage info - get ready to check Sutro Bio best content for United States right away, or after learning these important things about sutrobio.com
Sutro Biopharma, Inc. is a public biotechnology company headquartered in South San Francisco, California focused on clinical stage drug discovery, development and manufacturing company. Using its inte...
Visit sutrobio.comWe analyzed Sutrobio.com page load time and found that the first response time was 189 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
sutrobio.com performance score
name
value
score
weighting
Value5.0 s
9/100
10%
Value5.0 s
26/100
25%
Value13.1 s
2/100
10%
Value2,270 ms
6/100
30%
Value0
100/100
15%
Value24.6 s
0/100
10%
189 ms
778 ms
1491 ms
73 ms
146 ms
Our browser made a total of 93 requests to load all elements on the main page. We found that 66% of them (61 requests) were addressed to the original Sutrobio.com, 24% (22 requests) were made to Fonts.gstatic.com and 4% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Sutrobio.com.
Page size can be reduced by 1.2 MB (10%)
12.0 MB
10.8 MB
In fact, the total size of Sutrobio.com main page is 12.0 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. 80% 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 11.6 MB which makes up the majority of the site volume.
Potential reduce by 159.7 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 159.7 kB or 83% of the original size.
Potential reduce by 1.1 MB
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. Sutro Bio images are well optimized though.
Potential reduce by 3.1 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. This website has mostly compressed JavaScripts.
Potential reduce by 2.8 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. Sutrobio.com has all CSS files already compressed.
Number of requests can be reduced by 51 (76%)
67
16
The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sutro Bio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.
sutrobio.com
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sutrobio.com
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www.sutrobio.com
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widgets-on-pages-public.css
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sutrobio.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
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.
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.
sutrobio.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
sutrobio.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
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 Sutrobio.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 Sutrobio.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.
sutrobio.com
Open Graph description is not detected on the main page of Sutro Bio. 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: