Tools & Wizards About Us
petroleumhistory.ca screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

petroleumhistory.ca

Petroleum History Society - preserving history of the petroleum industry in Canada, Home Page

Page Load Speed

893 ms in total

First Response

181 ms

Resources Loaded

563 ms

Page Rendered

149 ms

petroleumhistory.ca screenshot

About Website

Welcome to petroleumhistory.ca homepage info - get ready to check Petroleum History best content right away, or after learning these important things about petroleumhistory.ca

Petroleum History Society - a nonprofit society, based in Calgary, Alberta, Canada, dedicated to preserving the history of the petroleum industry in Canada.

Visit petroleumhistory.ca

Key Findings

We analyzed Petroleumhistory.ca page load time and found that the first response time was 181 ms and then it took 712 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

petroleumhistory.ca performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value0.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

petroleumhistory.ca

181 ms

count.js

283 ms

bckg.jpg

32 ms

logo262.jpg

72 ms

clip_image004_0001.jpg

69 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 83% of them (10 requests) were addressed to the original Petroleumhistory.ca, 17% (2 requests) were made to Count.carrierzone.com. The less responsive or slowest element that took the longest time to load (283 ms) relates to the external source Count.carrierzone.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.4 kB (40%)

Content Size

91.3 kB

After Optimization

54.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Petroleumhistory.ca main page is 91.3 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. Only 5% of websites need less resources to load. Images take 47.2 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 5.6 kB

  • Original 8.1 kB
  • After minification 7.5 kB
  • After compression 2.5 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 5.6 kB or 69% of the original size.

Image Optimization

-0%

Potential reduce by 178 B

  • Original 47.2 kB
  • After minification 47.0 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. Petroleum History images are well optimized though.

JavaScript Optimization

-85%

Potential reduce by 30.6 kB

  • Original 36.0 kB
  • After minification 23.8 kB
  • After compression 5.4 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 30.6 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • Images
  • JavaScript

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Petroleum History. According to our analytics all requests are already optimized.

Network Requests Diagram

petroleumhistory.ca

petroleumhistory.ca

181 ms

count.js

count.js

283 ms

bckg.jpg

bckg.jpg

32 ms

logo262.jpg

logo262.jpg

72 ms

clip_image004_0001.jpg

clip_image004_0001.jpg

69 ms

cdnMuseumMking.jpg

cdnMuseumMking.jpg

48 ms

BarrelOilCorpLogo%20JPG.jpg

BarrelOilCorpLogo%20JPG.jpg

50 ms

SoulOfCanadaLogo295.jpg

SoulOfCanadaLogo295.jpg

69 ms

JBpipelines_logo.jpg

JBpipelines_logo.jpg

59 ms

Tundra_logo.jpg

Tundra_logo.jpg

82 ms

WhytecliffRes_logo.jpg

WhytecliffRes_logo.jpg

94 ms

ctin.php

ctin.php

98 ms

Accessibility Review

petroleumhistory.ca accessibility score

85

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

Links do not have a discernible name

Best Practices

petroleumhistory.ca best practices score

75

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

SEO Factors

petroleumhistory.ca SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Petroleumhistory.ca 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 Petroleumhistory.ca main page’s claimed encoding is iso-8859-1. 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

petroleumhistory.ca

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