Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

dart.biz

Dart Container

Page Load Speed

1.6 sec in total

First Response

92 ms

Resources Loaded

1.2 sec

Page Rendered

218 ms

dart.biz screenshot

About Website

Visit dart.biz now to see the best up-to-date Dart content for United States and also check out these interesting facts you probably never knew about dart.biz

Since 1960, Dart has been a global leader in the production of single-use foodservice products (foam cups and containers).

Visit dart.biz

Key Findings

We analyzed Dart.biz page load time and found that the first response time was 92 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

dart.biz performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value1,390 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.641

9/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

dart.biz

92 ms

www.dartcontainer.com

194 ms

56 ms

bootstrap.min.css

71 ms

font-awesome.min.css

81 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Dart.biz, 68% (55 requests) were made to Dartcontainer.com and 5% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (536 ms) relates to the external source Dartcontainer.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 575.7 kB (40%)

Content Size

1.4 MB

After Optimization

868.5 kB

In fact, the total size of Dart.biz 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. Images take 773.2 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 125.2 kB

  • Original 141.8 kB
  • After minification 87.1 kB
  • After compression 16.6 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 54.7 kB, which is 39% 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 125.2 kB or 88% of the original size.

Image Optimization

-7%

Potential reduce by 52.4 kB

  • Original 773.2 kB
  • After minification 720.9 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. Dart images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 187.9 kB

  • Original 276.5 kB
  • After minification 247.9 kB
  • After compression 88.5 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 187.9 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 210.3 kB

  • Original 252.7 kB
  • After minification 220.8 kB
  • After compression 42.5 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. Dart.biz needs all CSS files to be minified and compressed as it can save up to 210.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (42%)

Requests Now

72

After Optimization

42

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dart.biz accessibility score

93

Accessibility Issues

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

dart.biz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dart.biz SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dart.biz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Dart.biz 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.

Social Sharing Optimization

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