Tools & Wizards About Us
sciencestandardslessons.org screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

sciencestandardslessons.org

Educators: Apply by Feb. 1 for the 2017 Alan Shepard Technology in Education Award - Space Foundation Discovery Center

Page Load Speed

377 ms in total

First Response

36 ms

Resources Loaded

287 ms

Page Rendered

54 ms

sciencestandardslessons.org screenshot

About Website

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

COLORADO SPRINGS, Colo. (Nov. 1, 2016) - Educators who have demonstrated a commitment to inspiring students' interest in science, technology, engineering

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Key Findings

We analyzed Sciencestandardslessons.org page load time and found that the first response time was 36 ms and then it took 341 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

sciencestandardslessons.org performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value1,550 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value19.7 s

2/100

10%

Network Requests Diagram

sciencestandardslessons.org

36 ms

33 ms

v1

40 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

57 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 25% of them (1 request) were addressed to the original Sciencestandardslessons.org, 50% (2 requests) were made to Discoverspace.org and 25% (1 request) were made to Static.cloudflareinsights.com. The less responsive or slowest element that took the longest time to load (57 ms) relates to the external source Static.cloudflareinsights.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.2 kB (23%)

Content Size

586.4 kB

After Optimization

453.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sciencestandardslessons.org main page is 586.4 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. Images take 335.0 kB which makes up the majority of the site volume.

HTML Optimization

-54%

Potential reduce by 9.4 kB

  • Original 17.5 kB
  • After minification 17.5 kB
  • After compression 8.1 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 9.4 kB or 54% of the original size.

Image Optimization

-25%

Potential reduce by 85.0 kB

  • Original 335.0 kB
  • After minification 250.0 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. Obviously, Sciencestandardslessons needs image optimization as it can save up to 85.0 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-10%

Potential reduce by 12.6 kB

  • Original 124.4 kB
  • After minification 124.3 kB
  • After compression 111.9 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

-24%

Potential reduce by 26.2 kB

  • Original 109.6 kB
  • After minification 109.6 kB
  • After compression 83.4 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. Sciencestandardslessons.org needs all CSS files to be minified and compressed as it can save up to 26.2 kB or 24% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • JavaScript

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sciencestandardslessons. According to our analytics all requests are already optimized.

Network Requests Diagram

sciencestandardslessons.org

sciencestandardslessons.org

36 ms

33 ms

v1

v1

40 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

57 ms

Accessibility Review

sciencestandardslessons.org accessibility score

95

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

Links do not have a discernible name

Best Practices

sciencestandardslessons.org best practices score

83

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

sciencestandardslessons.org SEO score

95

Search Engine Optimization Advices

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 Sciencestandardslessons.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 Sciencestandardslessons.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

sciencestandardslessons.org

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