Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

allaboutscience.org

Science - AllAboutScience.org

Page Load Speed

506 ms in total

First Response

56 ms

Resources Loaded

264 ms

Page Rendered

186 ms

allaboutscience.org screenshot

About Website

Click here to check amazing Allabout Science content for United States. Otherwise, check out these important facts you probably never knew about allaboutscience.org

Science - Learn about Charles Darwin, origin of life, DNA double helix, and much more! Discover new ideas and how they can impact your life.

Visit allaboutscience.org

Key Findings

We analyzed Allaboutscience.org page load time and found that the first response time was 56 ms and then it took 450 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

allaboutscience.org performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

allaboutscience.org

56 ms

allaboutscience.org

80 ms

www.allaboutscience.org

57 ms

clicky.js

10 ms

ga.js

34 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Allaboutscience.org and no external sources were called. The less responsive or slowest element that took the longest time to load (80 ms) belongs to the original domain Allaboutscience.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.6 kB (63%)

Content Size

40.8 kB

After Optimization

15.2 kB

In fact, the total size of Allaboutscience.org main page is 40.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 38.7 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 25.6 kB

  • Original 38.7 kB
  • After minification 38.7 kB
  • After compression 13.1 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 25.6 kB or 66% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.1 kB
  • After minification 2.1 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. Allabout Science images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Allabout Science. According to our analytics all requests are already optimized.

Accessibility Review

allaboutscience.org accessibility score

92

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

allaboutscience.org 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

allaboutscience.org SEO score

80

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

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 Allaboutscience.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 Allaboutscience.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 data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: