Report Summary

  • 74

    Performance

    Renders faster than
    84% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    82% of websites

  • 74

    SEO

    Google-friendlier than
    32% of websites

petrowiki.org

PetroWiki – an E&P Industry wiki – Oil&Gas

Page Load Speed

5.2 sec in total

First Response

235 ms

Resources Loaded

4.7 sec

Page Rendered

301 ms

petrowiki.org screenshot

About Website

Click here to check amazing Petro Wiki content for India. Otherwise, check out these important facts you probably never knew about petrowiki.org

PetroWiki is a comprehensive guide for all things E&P created by the Society of Petroleum Engineers and seeded from the seven volume Petroleum Engineering Handbook(PEH). This wiki allows SPE’s members...

Visit petrowiki.org

Key Findings

We analyzed Petrowiki.org page load time and found that the first response time was 235 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

petrowiki.org performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

petrowiki.org

235 ms

PetroWiki

381 ms

load.php

390 ms

SpeCustom.css

121 ms

load.php

252 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 52% of them (66 requests) were addressed to the original Petrowiki.org, 18% (23 requests) were made to Petrowiki.spe.org and 5% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (727 ms) belongs to the original domain Petrowiki.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (45%)

Content Size

2.5 MB

After Optimization

1.4 MB

In fact, the total size of Petrowiki.org main page is 2.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 94.4 kB

  • Original 130.9 kB
  • After minification 126.7 kB
  • After compression 36.5 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 94.4 kB or 72% of the original size.

Image Optimization

-9%

Potential reduce by 83.4 kB

  • Original 972.4 kB
  • After minification 889.0 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. Petro Wiki images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 709.4 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 386.3 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 709.4 kB or 65% of the original size.

CSS Optimization

-82%

Potential reduce by 208.4 kB

  • Original 255.5 kB
  • After minification 252.5 kB
  • After compression 47.1 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. Petrowiki.org needs all CSS files to be minified and compressed as it can save up to 208.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 76 (63%)

Requests Now

120

After Optimization

44

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Petro Wiki. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

petrowiki.org accessibility score

87

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

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

petrowiki.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

petrowiki.org SEO score

74

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

High

Image elements do not have [alt] attributes

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

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 Petrowiki.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 Petrowiki.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

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