Tools & Wizards About Us
skepticalscience.com screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

skepticalscience.com

Global Warming and Climate Change skepticism examined

Page Load Speed

5.9 sec in total

First Response

156 ms

Resources Loaded

3.4 sec

Page Rendered

2.4 sec

skepticalscience.com screenshot

About Website

Visit skepticalscience.com now to see the best up-to-date Skepticalscience content for United States and also check out these interesting facts you probably never knew about skepticalscience.com

Examines the science and arguments of global warming skepticism. Common objections like 'global warming is caused by the sun', 'temperature has changed naturally in the past' or 'other planets are war...

Visit skepticalscience.com

Key Findings

We analyzed Skepticalscience.com page load time and found that the first response time was 156 ms and then it took 5.7 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

skepticalscience.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value1,720 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.178

68/100

15%

TTI (Time to Interactive)

Value27.5 s

0/100

10%

Network Requests Diagram

skepticalscience.com

156 ms

skepticalscience.com

484 ms

js

112 ms

js

141 ms

api.js

45 ms

Our browser made a total of 182 requests to load all elements on the main page. We found that 75% of them (137 requests) were addressed to the original Skepticalscience.com, 9% (17 requests) were made to Skepticalscience.net and 3% (5 requests) were made to Youtube-nocookie.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Skepticalscience.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 302.8 kB (6%)

Content Size

5.0 MB

After Optimization

4.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Skepticalscience.com main page is 5.0 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. 80% 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. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 204.9 kB

  • Original 262.5 kB
  • After minification 257.9 kB
  • After compression 57.7 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 204.9 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 52.6 kB

  • Original 3.8 MB
  • After minification 3.8 MB

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. Skepticalscience images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 38.4 kB

  • Original 800.0 kB
  • After minification 797.3 kB
  • After compression 761.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-9%

Potential reduce by 7.0 kB

  • Original 74.5 kB
  • After minification 73.6 kB
  • After compression 67.5 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. Skepticalscience.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 95 (54%)

Requests Now

175

After Optimization

80

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 175 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Skepticalscience. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

skepticalscience.com

skepticalscience.com

156 ms

skepticalscience.com

skepticalscience.com

484 ms

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112 ms

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Accessibility Review

skepticalscience.com accessibility score

69

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

skepticalscience.com best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

skepticalscience.com SEO score

54

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

High

robots.txt is not valid

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

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 Skepticalscience.com 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 Skepticalscience.com 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

skepticalscience.com

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