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openmiddle.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

openmiddle.com

Open Middle - Challenging math problems worth solving

Page Load Speed

2.2 sec in total

First Response

431 ms

Resources Loaded

1.6 sec

Page Rendered

185 ms

openmiddle.com screenshot

About Website

Click here to check amazing Open Middle content for United States. Otherwise, check out these important facts you probably never knew about openmiddle.com

CHALLENGING MATH PROBLEMS WORTH SOLVING DOWNLOAD OUR FAVORITE PROBLEMS FROM EVERY GRADE LEVEL Get Our Favorite Problems Take The Online Workshop WANT GOOGLE SLIDE VERSIONS OF ALL PROBLEMS? HERE'S...

Visit openmiddle.com

Key Findings

We analyzed Openmiddle.com page load time and found that the first response time was 431 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

openmiddle.com performance score

23

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)

Value21.1 s

0/100

10%

TBT (Total Blocking Time)

Value1,010 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.094

91/100

15%

TTI (Time to Interactive)

Value15.9 s

6/100

10%

Network Requests Diagram

www.openmiddle.com

431 ms

analytics.js

23 ms

style.min.css

46 ms

login-and-logout-redirect-public.css

70 ms

style.css

97 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 44% of them (18 requests) were addressed to the original Openmiddle.com, 15% (6 requests) were made to Fonts.gstatic.com and 7% (3 requests) were made to Assets.pinterest.com. The less responsive or slowest element that took the longest time to load (431 ms) belongs to the original domain Openmiddle.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 253.3 kB (34%)

Content Size

752.5 kB

After Optimization

499.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Openmiddle.com main page is 752.5 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 372.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 153.4 kB

  • Original 185.5 kB
  • After minification 183.4 kB
  • After compression 32.0 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 153.4 kB or 83% of the original size.

Image Optimization

-13%

Potential reduce by 16.0 kB

  • Original 127.7 kB
  • After minification 111.7 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, Open Middle needs image optimization as it can save up to 16.0 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-17%

Potential reduce by 64.6 kB

  • Original 372.5 kB
  • After minification 371.9 kB
  • After compression 307.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 64.6 kB or 17% of the original size.

CSS Optimization

-29%

Potential reduce by 19.3 kB

  • Original 66.8 kB
  • After minification 66.6 kB
  • After compression 47.6 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. Openmiddle.com needs all CSS files to be minified and compressed as it can save up to 19.3 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (65%)

Requests Now

31

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Middle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.openmiddle.com

www.openmiddle.com

431 ms

analytics.js

analytics.js

23 ms

style.min.css

style.min.css

46 ms

login-and-logout-redirect-public.css

login-and-logout-redirect-public.css

70 ms

style.css

style.css

97 ms

skin.css

skin.css

112 ms

css

css

37 ms

jquery.min.js

jquery.min.js

144 ms

jquery-migrate.min.js

jquery-migrate.min.js

129 ms

login-and-logout-redirect-public.js

login-and-logout-redirect-public.js

131 ms

js

js

51 ms

embed.js

embed.js

55 ms

in.js

in.js

28 ms

pinit.js

pinit.js

20 ms

tie-scripts.js

tie-scripts.js

229 ms

ilightbox.packed.js

ilightbox.packed.js

330 ms

search.js

search.js

115 ms

collect

collect

15 ms

fbevents.js

fbevents.js

221 ms

PinExt.png

PinExt.png

163 ms

80x15.png

80x15.png

271 ms

body-bg7.png

body-bg7.png

239 ms

website_logo4.png

website_logo4.png

238 ms

student_bg.jpg

student_bg.jpg

246 ms

body-bg7blue.png

body-bg7blue.png

246 ms

stripe.png

stripe.png

156 ms

381 ms

pinit_main.js

pinit_main.js

24 ms

SlGVmQWMvZQIdix7AFxXkHNSaA.ttf

SlGVmQWMvZQIdix7AFxXkHNSaA.ttf

104 ms

SlGWmQWMvZQIdix7AFxXmMh3eDs1Yg.ttf

SlGWmQWMvZQIdix7AFxXmMh3eDs1Yg.ttf

105 ms

BebasNeue-webfont.woff

BebasNeue-webfont.woff

91 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

113 ms

count.json

count.json

33 ms

80x15.png

80x15.png

30 ms

font-awesome.min.css

font-awesome.min.css

27 ms

css

css

16 ms

center.js

center.js

92 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

3 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

7 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

11 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

13 ms

Accessibility Review

openmiddle.com accessibility score

77

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best Practices

openmiddle.com best practices score

92

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

SEO Factors

openmiddle.com SEO score

82

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 Openmiddle.com 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 Openmiddle.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

openmiddle.com

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