Tools & Wizards About Us
rivers.alberta.ca screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

rivers.alberta.ca

Alberta Environment and Parks - Alberta River Basins flood alerting, advisories, reporting and water management

Page Load Speed

5.7 sec in total

First Response

360 ms

Resources Loaded

5.2 sec

Page Rendered

59 ms

rivers.alberta.ca screenshot

About Website

Welcome to rivers.alberta.ca homepage info - get ready to check River S Alberta best content for Canada right away, or after learning these important things about rivers.alberta.ca

Alberta Environment and Parks - Alberta River Basins interactive GIS for flood alerting, advisories, reporting and water management content. Use this web application to get information on river flow, ...

Visit rivers.alberta.ca

Key Findings

We analyzed Rivers.alberta.ca page load time and found that the first response time was 360 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

rivers.alberta.ca performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value38.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value41.6 s

0/100

25%

SI (Speed Index)

Value38.8 s

0/100

10%

TBT (Total Blocking Time)

Value5,580 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value58.0 s

0/100

10%

Network Requests Diagram

rivers.alberta.ca

360 ms

all.css

55 ms

leaflet.css

113 ms

MarkerCluster.css

165 ms

js

59 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 98% of them (46 requests) were addressed to the original Rivers.alberta.ca, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Rivers.alberta.ca.

Page Optimization Overview & Recommendations

Page size can be reduced by 213.0 kB (76%)

Content Size

281.9 kB

After Optimization

68.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rivers.alberta.ca main page is 281.9 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. HTML takes 169.6 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 152.9 kB

  • Original 169.6 kB
  • After minification 102.2 kB
  • After compression 16.7 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. This page needs HTML code to be minified as it can gain 67.4 kB, which is 40% 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 152.9 kB or 90% of the original size.

Image Optimization

-5%

Potential reduce by 1.4 kB

  • Original 26.9 kB
  • After minification 25.5 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. River S Alberta images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 28.2 kB

  • Original 40.8 kB
  • After minification 40.8 kB
  • After compression 12.6 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 28.2 kB or 69% of the original size.

CSS Optimization

-68%

Potential reduce by 30.5 kB

  • Original 44.6 kB
  • After minification 37.5 kB
  • After compression 14.1 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. Rivers.alberta.ca needs all CSS files to be minified and compressed as it can save up to 30.5 kB or 68% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (67%)

Requests Now

45

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of River S Alberta. 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 23 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rivers.alberta.ca

rivers.alberta.ca

360 ms

all.css

all.css

55 ms

leaflet.css

leaflet.css

113 ms

MarkerCluster.css

MarkerCluster.css

165 ms

js

js

59 ms

jquery

jquery

683 ms

jquery.signalR-2.4.3.min.js

jquery.signalR-2.4.3.min.js

369 ms

modernizr

modernizr

232 ms

bootstrap

bootstrap

391 ms

hubs

hubs

165 ms

BundleCSS

BundleCSS

679 ms

ThirdParty

ThirdParty

4220 ms

ArbPublicPageScripts

ArbPublicPageScripts

812 ms

PreMinified

PreMinified

1452 ms

base.css

base.css

394 ms

theme.css

theme.css

450 ms

core.css

core.css

111 ms

accordion.css

accordion.css

167 ms

autocomplete.css

autocomplete.css

222 ms

button.css

button.css

276 ms

datepicker.css

datepicker.css

285 ms

dialog.css

dialog.css

289 ms

draggable.css

draggable.css

331 ms

menu.css

menu.css

338 ms

progressbar.css

progressbar.css

343 ms

resizable.css

resizable.css

384 ms

selectable.css

selectable.css

390 ms

selectmenu.css

selectmenu.css

397 ms

sortable.css

sortable.css

417 ms

slider.css

slider.css

440 ms

spinner.css

spinner.css

443 ms

tabs.css

tabs.css

451 ms

tooltip.css

tooltip.css

471 ms

favicon.png

favicon.png

57 ms

AlbertaRiversHeader-3.jpg

AlbertaRiversHeader-3.jpg

60 ms

goa_logo.png

goa_logo.png

58 ms

Icon-50.png

Icon-50.png

59 ms

ic_tab_forecastercomments_weather.png

ic_tab_forecastercomments_weather.png

58 ms

ic_tab_forecastercomments_rivers.png

ic_tab_forecastercomments_rivers.png

60 ms

ic_tab_forecastercomments_flood_data.png

ic_tab_forecastercomments_flood_data.png

104 ms

springrunoff_advisory_icon.png

springrunoff_advisory_icon.png

113 ms

springrunoff_map_icon.png

springrunoff_map_icon.png

107 ms

precipitationmaps_segmentcontrol_day.png

precipitationmaps_segmentcontrol_day.png

110 ms

precipitationmaps_segmentcontrol_month.png

precipitationmaps_segmentcontrol_month.png

110 ms

precipitationmaps_segmentcontrol_week.png

precipitationmaps_segmentcontrol_week.png

110 ms

precipitation_segmentcontrol_event.png

precipitation_segmentcontrol_event.png

159 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

184 ms

Accessibility Review

rivers.alberta.ca accessibility score

83

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

Image elements do not have [alt] attributes

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

rivers.alberta.ca best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

rivers.alberta.ca SEO score

81

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 Rivers.alberta.ca 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 Rivers.alberta.ca 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

rivers.alberta.ca

Open Graph description is not detected on the main page of River S Alberta. 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: