Tools & Wizards About Us
tessellations.org screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

tessellations.org

Tessellations - M. C. Escher and how to make your own Tessellation Art

Page Load Speed

1.1 sec in total

First Response

306 ms

Resources Loaded

601 ms

Page Rendered

229 ms

tessellations.org screenshot

About Website

Click here to check amazing Tessellations content for United States. Otherwise, check out these important facts you probably never knew about tessellations.org

Escher-style tessellation art, with only easy geometry: Do-it-yourself lessons and projects, art galleries, history, & contests.

Visit tessellations.org

Key Findings

We analyzed Tessellations.org page load time and found that the first response time was 306 ms and then it took 830 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

tessellations.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value0.9 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)

Value0.9 s

100/100

10%

Network Requests Diagram

tessellations.org

306 ms

0-style.css

49 ms

0-style-brown-birds.css

77 ms

0-style-goldfish.css

91 ms

logo-clear.png

85 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that all of those requests were addressed to Tessellations.org and no external sources were called. The less responsive or slowest element that took the longest time to load (306 ms) belongs to the original domain Tessellations.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 54.3 kB (23%)

Content Size

238.0 kB

After Optimization

183.7 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Tessellations.org main page is 238.0 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. 20% of websites need less resources to load. Images take 182.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 25.9 kB

  • Original 34.4 kB
  • After minification 29.8 kB
  • After compression 8.5 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. This page needs HTML code to be minified as it can gain 4.6 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 25.9 kB or 75% of the original size.

Image Optimization

-6%

Potential reduce by 10.4 kB

  • Original 182.7 kB
  • After minification 172.3 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. Tessellations images are well optimized though.

CSS Optimization

-86%

Potential reduce by 18.0 kB

  • Original 20.9 kB
  • After minification 11.4 kB
  • After compression 3.0 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. Tessellations.org needs all CSS files to be minified and compressed as it can save up to 18.0 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

28

After Optimization

28

  • Images
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tessellations. According to our analytics all requests are already optimized.

Network Requests Diagram

tessellations.org

tessellations.org

306 ms

0-style.css

0-style.css

49 ms

0-style-brown-birds.css

0-style-brown-birds.css

77 ms

0-style-goldfish.css

0-style-goldfish.css

91 ms

logo-clear.png

logo-clear.png

85 ms

magician.jpg

magician.jpg

91 ms

seuss-seals-tessellation-tgp.png

seuss-seals-tessellation-tgp.png

83 ms

seahorses-and-fish-tessellation.png

seahorses-and-fish-tessellation.png

100 ms

angry-birds-tessellation.png

angry-birds-tessellation.png

119 ms

method-tracing-paper-c3c3c6c6-tools-thumb.jpg

method-tracing-paper-c3c3c6c6-tools-thumb.jpg

138 ms

book-tessellations-by-jim-mcneill-tgp.gif

book-tessellations-by-jim-mcneill-tgp.gif

145 ms

rubber-stamp-thumb.jpg

rubber-stamp-thumb.jpg

139 ms

kevin-lee-office-door-tessellation.png

kevin-lee-office-door-tessellation.png

131 ms

MAF-fish-tessellation-painting-thumb.jpg

MAF-fish-tessellation-painting-thumb.jpg

154 ms

makeafishfoundation.jpg

makeafishfoundation.jpg

177 ms

tessellation-turtle-oakgrove-glasgow-scotland-2014-tgp.jpg

tessellation-turtle-oakgrove-glasgow-scotland-2014-tgp.jpg

174 ms

make-a-fish-60-seahorse-tessellation-dodecahedron-thumbnail.png

make-a-fish-60-seahorse-tessellation-dodecahedron-thumbnail.png

189 ms

octahedron-12-turtles-peace-on-earth-thumbnail.jpg

octahedron-12-turtles-peace-on-earth-thumbnail.jpg

193 ms

octahedron-diy-3-goldfish-thumbnail.jpg

octahedron-diy-3-goldfish-thumbnail.jpg

197 ms

software-tesselmaniac-thumbnail.jpg

software-tesselmaniac-thumbnail.jpg

205 ms

drawing-a-tessellation-DO-NOT-DEEP-LINK-DO-NOT-PIRATE.jpg

drawing-a-tessellation-DO-NOT-DEEP-LINK-DO-NOT-PIRATE.jpg

277 ms

yahoo-pick_of_the_week.gif

yahoo-pick_of_the_week.gif

226 ms

dalove.gif

dalove.gif

256 ms

bg-flower-green.png

bg-flower-green.png

174 ms

menubar-bg.gif

menubar-bg.gif

174 ms

bg-goldfish.png

bg-goldfish.png

182 ms

sprite-bg-goldfish.gif

sprite-bg-goldfish.gif

198 ms

logo-1b.png

logo-1b.png

208 ms

border-default.png

border-default.png

211 ms

Accessibility Review

tessellations.org accessibility score

65

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.

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

Image elements do not have [alt] attributes

Best Practices

tessellations.org best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

tessellations.org SEO score

69

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

Image elements do not have [alt] attributes

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 Tessellations.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 Tessellations.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

tessellations.org

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