Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

teacherstryscience.org

Teacherstryscience.org

Page Load Speed

869 ms in total

First Response

68 ms

Resources Loaded

610 ms

Page Rendered

191 ms

teacherstryscience.org screenshot

About Website

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

Visit teacherstryscience.org

Key Findings

We analyzed Teacherstryscience.org page load time and found that the first response time was 68 ms and then it took 801 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

teacherstryscience.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value0.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

teacherstryscience.org

68 ms

www.teacherstryscience.org

127 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

36 ms

css_BEIbYuqNolqW4vdLO4ulkNj06z5sokH6da2PGH1vgss.css

44 ms

css_0xvoCAZjyw-cpbHYrTkcUcGXTWaf-KhsrTHV97i1YlY.css

50 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 85% of them (41 requests) were addressed to the original Teacherstryscience.org, 6% (3 requests) were made to Code.jquery.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (160 ms) belongs to the original domain Teacherstryscience.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 674.8 kB (51%)

Content Size

1.3 MB

After Optimization

638.1 kB

In fact, the total size of Teacherstryscience.org main page is 1.3 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. 50% of websites need less resources to load. Javascripts take 531.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 44.3 kB

  • Original 56.8 kB
  • After minification 54.2 kB
  • After compression 12.5 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 44.3 kB or 78% of the original size.

Image Optimization

-9%

Potential reduce by 45.1 kB

  • Original 512.9 kB
  • After minification 467.8 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. Teacherstryscience images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 411.3 kB

  • Original 531.6 kB
  • After minification 390.8 kB
  • After compression 120.2 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 411.3 kB or 77% of the original size.

CSS Optimization

-82%

Potential reduce by 174.0 kB

  • Original 211.6 kB
  • After minification 205.0 kB
  • After compression 37.6 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. Teacherstryscience.org needs all CSS files to be minified and compressed as it can save up to 174.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (46%)

Requests Now

46

After Optimization

25

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Teacherstryscience. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

teacherstryscience.org accessibility score

71

Accessibility Issues

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

Document doesn't have a <title> element

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

teacherstryscience.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

SEO Factors

teacherstryscience.org SEO score

58

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

Document doesn't have a <title> element

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Teacherstryscience.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Teacherstryscience.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 Teacherstryscience. 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: