Tools & Wizards About Us
precalculus.flippedmath.com screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

precalculus.flippedmath.com

Pre-Calculus - Home

Page Load Speed

1.6 sec in total

First Response

460 ms

Resources Loaded

958 ms

Page Rendered

162 ms

precalculus.flippedmath.com screenshot

About Website

Welcome to precalculus.flippedmath.com homepage info - get ready to check Pre Calculus Flippedmath best content for United States right away, or after learning these important things about precalculus.flippedmath.com

This site contains high school Precalculus lessons on video from four experienced high school math teachers. There are also packets, practice problems, and answers provided on the site.

Visit precalculus.flippedmath.com

Key Findings

We analyzed Precalculus.flippedmath.com page load time and found that the first response time was 460 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

precalculus.flippedmath.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

precalculus.flippedmath.com

460 ms

Ma9nas2yEeSVqA4AfQhyIQ.js

40 ms

sites.css

91 ms

fancybox.css

72 ms

main_style.css

171 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 30% of them (6 requests) were addressed to the original Precalculus.flippedmath.com, 20% (4 requests) were made to Cdn2.editmysite.com and 20% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (460 ms) belongs to the original domain Precalculus.flippedmath.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 327.5 kB (38%)

Content Size

858.1 kB

After Optimization

530.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Precalculus.flippedmath.com main page is 858.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Javascripts take 511.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 39.7 kB

  • Original 48.2 kB
  • After minification 46.7 kB
  • After compression 8.6 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 39.7 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 11.4 kB

  • Original 255.2 kB
  • After minification 243.8 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. Pre Calculus Flippedmath images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 266.4 kB

  • Original 511.5 kB
  • After minification 511.1 kB
  • After compression 245.0 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 266.4 kB or 52% of the original size.

CSS Optimization

-23%

Potential reduce by 9.9 kB

  • Original 43.2 kB
  • After minification 41.6 kB
  • After compression 33.3 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. Precalculus.flippedmath.com needs all CSS files to be minified and compressed as it can save up to 9.9 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (47%)

Requests Now

19

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pre Calculus Flippedmath. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

precalculus.flippedmath.com

precalculus.flippedmath.com

460 ms

Ma9nas2yEeSVqA4AfQhyIQ.js

Ma9nas2yEeSVqA4AfQhyIQ.js

40 ms

sites.css

sites.css

91 ms

fancybox.css

fancybox.css

72 ms

main_style.css

main_style.css

171 ms

templateArtifacts.js

templateArtifacts.js

174 ms

jquery.min.js

jquery.min.js

100 ms

main.js

main.js

171 ms

ftl.js

ftl.js

144 ms

stl.js

stl.js

143 ms

analytics.js

analytics.js

10 ms

collect

collect

19 ms

ga.js

ga.js

60 ms

quant.js

quant.js

60 ms

searchForm-bg.png

searchForm-bg.png

128 ms

1406155231.jpg

1406155231.jpg

399 ms

_9536641.png

_9536641.png

378 ms

sp.js

sp.js

41 ms

__utm.gif

__utm.gif

15 ms

pixel;r=1382103046;a=p-0dYLvhSGGqUWo;labels=l10%2Cu11305589.u11305589s145033424655126180;fpan=1;fpa=P0-1169604149-1458444009357;ns=0;ce=1;cm=;je=0;sr=1024x768x32;enc=n;dst=0;et=1458444009357;tzo=-180;ref=;url=http%3A%2F%2Fprecalculus.flippedmath.com%2F;ogl=site_name.Pre-Calculus%2Ctitle.Pre-Calculus%2Cdescription.This%20site%20contains%20high%20school%20Precalculus%20lessons%20on%20video%20from%20four%20experience%2Cimage.http%3A%2F%2Fprecalculus%252Eflippedmath%252Ecom%2Fuploads%2F1%2F1%2F3%2F0%2F11305589%2F_9536641%252Epng%3F675%2Curl.http%3A%2F%2Fprecalculus%252Eflippedmath%252Ecom%2F

pixel;r=1382103046;a=p-0dYLvhSGGqUWo;labels=l10%2Cu11305589.u11305589s145033424655126180;fpan=1;fpa=P0-1169604149-1458444009357;ns=0;ce=1;cm=;je=0;sr=1024x768x32;enc=n;dst=0;et=1458444009357;tzo=-180;ref=;url=http%3A%2F%2Fprecalculus.flippedmath.com%2F;ogl=site_name.Pre-Calculus%2Ctitle.Pre-Calculus%2Cdescription.This%20site%20contains%20high%20school%20Precalculus%20lessons%20on%20video%20from%20four%20experience%2Cimage.http%3A%2F%2Fprecalculus%252Eflippedmath%252Ecom%2Fuploads%2F1%2F1%2F3%2F0%2F11305589%2F_9536641%252Epng%3F675%2Curl.http%3A%2F%2Fprecalculus%252Eflippedmath%252Ecom%2F

11 ms

Accessibility Review

precalculus.flippedmath.com accessibility score

81

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

Image elements do not have [alt] attributes

Best Practices

precalculus.flippedmath.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

precalculus.flippedmath.com SEO score

85

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

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

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

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 Precalculus.flippedmath.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 Precalculus.flippedmath.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

precalculus.flippedmath.com

Open Graph data is detected on the main page of Pre Calculus Flippedmath. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: