Tools & Wizards About Us
deltamill.org screenshot

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

deltamill.org

Old Stone Mill, National Historic Site of Canada, Delta, Ontario

Page Load Speed

20.9 sec in total

First Response

156 ms

Resources Loaded

20.4 sec

Page Rendered

310 ms

deltamill.org screenshot

About Website

Visit deltamill.org now to see the best up-to-date Delta Mill content and also check out these interesting facts you probably never knew about deltamill.org

The Old Stone Mill in Delta, Ontario, built in 1810, is one of the earliest surviving grist mills of Upper Canada. The mill is open to the public and offers many interpretive displays.

Visit deltamill.org

Key Findings

We analyzed Deltamill.org page load time and found that the first response time was 156 ms and then it took 20.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

deltamill.org performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

deltamill.org

156 ms

deltamill3.css

47 ms

mbcsmbstonemill_01.css

54 ms

mbjsmbstonemill_01.js

120 ms

dms-web-masthead3a.jpg

91 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 Deltamill.org, 6% (2 requests) were made to Paypalobjects.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Tripadvisor.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.6 kB (6%)

Content Size

263.0 kB

After Optimization

248.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Deltamill.org main page is 263.0 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. 25% of websites need less resources to load. Images take 205.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 14.2 kB

  • Original 20.1 kB
  • After minification 18.8 kB
  • After compression 5.8 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 14.2 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 46 B

  • Original 205.9 kB
  • After minification 205.9 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. Delta Mill images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 131 B

  • Original 35.3 kB
  • After minification 35.3 kB
  • After compression 35.2 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

-15%

Potential reduce by 243 B

  • Original 1.6 kB
  • After minification 1.6 kB
  • After compression 1.4 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. Deltamill.org needs all CSS files to be minified and compressed as it can save up to 243 B or 15% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

28

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delta Mill. According to our analytics all requests are already optimized.

Network Requests Diagram

deltamill.org

deltamill.org

156 ms

deltamill3.css

deltamill3.css

47 ms

mbcsmbstonemill_01.css

mbcsmbstonemill_01.css

54 ms

mbjsmbstonemill_01.js

mbjsmbstonemill_01.js

120 ms

dms-web-masthead3a.jpg

dms-web-masthead3a.jpg

91 ms

attraction.js

attraction.js

36 ms

counter.js

counter.js

42 ms

btn_donateCC_LG.gif

btn_donateCC_LG.gif

25 ms

pixel.gif

pixel.gif

27 ms

ebab_mbstonemill_01_d.png

ebab_mbstonemill_01_d.png

27 ms

1pix.gif

1pix.gif

29 ms

mill-homepage-top.jpg

mill-homepage-top.jpg

162 ms

mill-homepage-bottom.gif

mill-homepage-bottom.gif

78 ms

dms-2020-info-brochure-en-121.jpg

dms-2020-info-brochure-en-121.jpg

55 ms

dms-2020-info-brochure-fr-121.jpg

dms-2020-info-brochure-fr-121.jpg

79 ms

donation-membership-ani1.gif

donation-membership-ani1.gif

178 ms

driving-mill-web-w.gif

driving-mill-web-w.gif

103 ms

google-25.gif

google-25.gif

92 ms

blacksmithing-courses-graphic.jpg

blacksmithing-courses-graphic.jpg

117 ms

town-hall-interior-thumb.jpg

town-hall-interior-thumb.jpg

105 ms

OSM-c1900-nolabel-250.jpg

OSM-c1900-nolabel-250.jpg

136 ms

volunteer-ani.gif

volunteer-ani.gif

177 ms

thanks.gif

thanks.gif

152 ms

cyclists-welcome-100.gif

cyclists-welcome-100.gif

146 ms

find_us_on_facebook_badge.gif

find_us_on_facebook_badge.gif

170 ms

instagram-logo75.gif

instagram-logo75.gif

175 ms

footer-topleft3.jpg

footer-topleft3.jpg

179 ms

footer-bottom3.jpg

footer-bottom3.jpg

210 ms

wejs

wejs

20181 ms

ga.js

ga.js

10 ms

__utm.gif

__utm.gif

17 ms

Accessibility Review

deltamill.org accessibility score

71

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

deltamill.org best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

deltamill.org 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

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

deltamill.org

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