Tools & Wizards About Us

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

darwinchambers.com

Darwin Chambers Company | Controlled Environment Manufacturer

Page Load Speed

1.3 sec in total

First Response

302 ms

Resources Loaded

954 ms

Page Rendered

0 ms

About Website

Visit darwinchambers.com now to see the best up-to-date Darwin Chambers content and also check out these interesting facts you probably never knew about darwinchambers.com

Darwin Chambers manufactures, installs and services environmental chambers, environmental rooms, laboratory incubators, and stability testing chambers.

Visit darwinchambers.com

Key Findings

We analyzed Darwinchambers.com page load time and found that the first response time was 302 ms and then it took 954 ms 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.

Performance Metrics

darwinchambers.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value390 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value6.3 s

60/100

10%

Network Requests Diagram

darwinchambers.com

302 ms

www.darwinchambers.com

184 ms

www.darwinchambers.com

320 ms

v0.js

42 ms

amp-sidebar-0.1.js

63 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 30% of them (9 requests) were addressed to the original Darwinchambers.com, 57% (17 requests) were made to Cdn.ampproject.org and 7% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (320 ms) belongs to the original domain Darwinchambers.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 127.4 kB (29%)

Content Size

432.0 kB

After Optimization

304.6 kB

  • JavaScript
  • CSS

In fact, the total size of Darwinchambers.com main page is 432.0 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. 45% of websites need less resources to load. Javascripts take 417.0 kB which makes up the majority of the site volume.

HTML Optimization

-0%

Potential reduce by -8 B

  • Original 0 B

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 web page is already compressed.

JavaScript Optimization

-31%

Potential reduce by 127.2 kB

  • Original 417.0 kB
  • After minification 417.0 kB
  • After compression 289.7 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 127.2 kB or 31% of the original size.

CSS Optimization

-2%

Potential reduce by 229 B

  • Original 15.1 kB
  • After minification 15.1 kB
  • After compression 14.8 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. Darwinchambers.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (93%)

Requests Now

27

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Darwin Chambers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

darwinchambers.com accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

Links do not have a discernible name

Best Practices

darwinchambers.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

darwinchambers.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Darwinchambers.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Darwinchambers.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Darwin Chambers. 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: