Tools & Wizards About Us

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

sciencepage.org

The Science Page - Free Science Homework Help Resources

Page Load Speed

782 ms in total

First Response

209 ms

Resources Loaded

501 ms

Page Rendered

72 ms

About Website

Visit sciencepage.org now to see the best up-to-date Science Page content and also check out these interesting facts you probably never knew about sciencepage.org

Resources in: biology, chemistry, physics, environment, weather, earth science, space, paleontology, science fairs, analogies, constants, history, magazines, newsgroups, teacher resources and more.

Visit sciencepage.org

Key Findings

We analyzed Sciencepage.org page load time and found that the first response time was 209 ms and then it took 573 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

sciencepage.org performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value1.0 s

100/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

sciencepage.org

209 ms

pages.css

83 ms

190 ms

fish.gif

92 ms

madhack.gif

161 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 Sciencepage.org, 8% (1 request) were made to Googletagservices.com and 8% (1 request) were made to Securepubads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (209 ms) belongs to the original domain Sciencepage.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 6.5 kB (3%)

Content Size

211.1 kB

After Optimization

204.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sciencepage.org main page is 211.1 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. Javascripts take 200.4 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 6.4 kB

  • Original 9.6 kB
  • After minification 9.3 kB
  • After compression 3.2 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 6.4 kB or 67% of the original size.

Image Optimization

-4%

Potential reduce by 29 B

  • Original 728 B
  • After minification 699 B

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. Science Page images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 200.4 kB
  • After minification 200.4 kB
  • After compression 200.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-16%

Potential reduce by 67 B

  • Original 423 B
  • After minification 423 B
  • After compression 356 B

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. Sciencepage.org needs all CSS files to be minified and compressed as it can save up to 67 B or 16% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Page. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

sciencepage.org accessibility score

72

Accessibility Issues

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

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

Form elements do not have associated labels

Best Practices

sciencepage.org best practices score

58

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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

sciencepage.org SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sciencepage.org 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 Sciencepage.org main page’s claimed encoding is . 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

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