Tools & Wizards About Us
sustainweb.org screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

sustainweb.org

Find out about sustainable food and farming in the UK | Sustain

Page Load Speed

2.6 sec in total

First Response

210 ms

Resources Loaded

2.1 sec

Page Rendered

256 ms

sustainweb.org screenshot

About Website

Visit sustainweb.org now to see the best up-to-date Sustain Web content for United States and also check out these interesting facts you probably never knew about sustainweb.org

Sustain advocates food and agriculture policies and practices that enhance the health and welfare of people and animals, improve the working and living environment, promote equity and enrich society a...

Visit sustainweb.org

Key Findings

We analyzed Sustainweb.org page load time and found that the first response time was 210 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

sustainweb.org performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

17/100

25%

SI (Speed Index)

Value4.4 s

73/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.245

51/100

15%

TTI (Time to Interactive)

Value7.5 s

47/100

10%

Network Requests Diagram

sustainweb.org

210 ms

sustainweb.org

349 ms

www.sustainweb.org

476 ms

line-awesome.min.css

90 ms

bootstrap.min.css

182 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 84% of them (38 requests) were addressed to the original Sustainweb.org, 4% (2 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (630 ms) belongs to the original domain Sustainweb.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.3 kB (6%)

Content Size

728.6 kB

After Optimization

685.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sustainweb.org main page is 728.6 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. 50% of websites need less resources to load. Images take 575.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 24.5 kB

  • Original 32.2 kB
  • After minification 30.3 kB
  • After compression 7.7 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 24.5 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 15.5 kB

  • Original 575.4 kB
  • After minification 559.8 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. Sustain Web images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 230 B

  • Original 70.0 kB
  • After minification 70.0 kB
  • After compression 69.8 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.

CSS Optimization

-6%

Potential reduce by 3.1 kB

  • Original 51.0 kB
  • After minification 51.0 kB
  • After compression 48.0 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. Sustainweb.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (32%)

Requests Now

37

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sustain Web. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sustainweb.org

sustainweb.org

210 ms

sustainweb.org

sustainweb.org

349 ms

www.sustainweb.org

www.sustainweb.org

476 ms

line-awesome.min.css

line-awesome.min.css

90 ms

bootstrap.min.css

bootstrap.min.css

182 ms

datepicker.css

datepicker.css

249 ms

gtheme_2021.css

gtheme_2021.css

252 ms

slick.css

slick.css

252 ms

jquery.min.js

jquery.min.js

344 ms

slick.min.js

slick.min.js

262 ms

bootstrap.min.js

bootstrap.min.js

270 ms

popup.js

popup.js

337 ms

extended_2021.js

extended_2021.js

335 ms

Sustain_logo.svg

Sustain_logo.svg

110 ms

image-lg-1227-04jan23.jpg

image-lg-1227-04jan23.jpg

332 ms

who-we-are.svg

who-we-are.svg

111 ms

what-we-do.svg

what-we-do.svg

116 ms

policy-positions.svg

policy-positions.svg

113 ms

image-md-1352-30apr24.jpg

image-md-1352-30apr24.jpg

331 ms

image-sm-0804-07may24.jpg

image-sm-0804-07may24.jpg

204 ms

image-sm-0821-08may24.jpg

image-sm-0821-08may24.jpg

332 ms

image-sm-0021-09may24.jpg

image-sm-0021-09may24.jpg

331 ms

image-sm-0950-03may24.jpg

image-sm-0950-03may24.jpg

333 ms

events.svg

events.svg

333 ms

publications.svg

publications.svg

348 ms

jobs.svg

jobs.svg

345 ms

Sustain_logo_white.svg

Sustain_logo_white.svg

346 ms

gtm.js

gtm.js

108 ms

sfc_attendees_2019_cropped.jpg

sfc_attendees_2019_cropped.jpg

579 ms

beige_angle.png

beige_angle.png

334 ms

Inter-Regular.woff

Inter-Regular.woff

508 ms

Inter-Bold.woff

Inter-Bold.woff

502 ms

Twitter_alt.svg

Twitter_alt.svg

383 ms

FaceBook_alt.svg

FaceBook_alt.svg

381 ms

YouTube_alt.svg

YouTube_alt.svg

385 ms

Email_alt.svg

Email_alt.svg

466 ms

la-solid-900.woff

la-solid-900.woff

630 ms

la-regular-400.woff

la-regular-400.woff

492 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

546 ms

insight.min.js

insight.min.js

94 ms

js

js

65 ms

analytics.js

analytics.js

30 ms

insight_tag_errors.gif

insight_tag_errors.gif

176 ms

collect

collect

89 ms

collect

collect

34 ms

Accessibility Review

sustainweb.org accessibility score

84

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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.

Best Practices

sustainweb.org best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sustainweb.org SEO score

82

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sustainweb.org 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 Sustainweb.org 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

sustainweb.org

Open Graph data is detected on the main page of Sustain Web. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: