Tools & Wizards About Us
mariamitchell.org screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

mariamitchell.org

Maria Mitchell Association | Nantucket’s Science Center

Page Load Speed

1.3 sec in total

First Response

66 ms

Resources Loaded

786 ms

Page Rendered

437 ms

mariamitchell.org screenshot

About Website

Welcome to mariamitchell.org homepage info - get ready to check Maria Mitchell best content for United States right away, or after learning these important things about mariamitchell.org

The Nantucket Maria Mitchell Association promotes the legacy of astronomer Maria Mitchell and the exploration, education and enjoyment of Nantucket’s land, waters and skies beyond.

Visit mariamitchell.org

Key Findings

We analyzed Mariamitchell.org page load time and found that the first response time was 66 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

mariamitchell.org performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value3.5 s

87/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

mariamitchell.org

66 ms

www.mariamitchell.org

141 ms

script.js

130 ms

MMA-Logo-Web-2021-Square.svg

94 ms

MMA_Loines_2-1920w.jpg

99 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Mariamitchell.org, 69% (20 requests) were made to Lirp.cdn-website.com and 14% (4 requests) were made to Static.cdn-website.com. The less responsive or slowest element that took the longest time to load (579 ms) relates to the external source Lirp.cdn-website.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 438.3 kB (31%)

Content Size

1.4 MB

After Optimization

973.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Mariamitchell.org main page is 1.4 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. 70% of websites need less resources to load. Images take 748.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 433.9 kB

  • Original 533.4 kB
  • After minification 521.7 kB
  • After compression 99.5 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 433.9 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 4.3 kB

  • Original 748.7 kB
  • After minification 744.4 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. Maria Mitchell images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 109 B

  • Original 129.7 kB
  • After minification 129.7 kB
  • After compression 129.6 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.

Requests Breakdown

Number of requests can be reduced by 3 (13%)

Requests Now

24

After Optimization

21

  • Images
  • JavaScript

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Maria Mitchell. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

mariamitchell.org

mariamitchell.org

66 ms

www.mariamitchell.org

www.mariamitchell.org

141 ms

script.js

script.js

130 ms

MMA-Logo-Web-2021-Square.svg

MMA-Logo-Web-2021-Square.svg

94 ms

MMA_Loines_2-1920w.jpg

MMA_Loines_2-1920w.jpg

99 ms

jquery-3.7.0.min.js

jquery-3.7.0.min.js

56 ms

d-js-one-runtime-unified-desktop.min.js

d-js-one-runtime-unified-desktop.min.js

71 ms

d-js-jquery-migrate.min.js

d-js-jquery-migrate.min.js

69 ms

MMA-Wordmark-White.svg

MMA-Wordmark-White.svg

111 ms

MMA-Logo-2022-png-blue-background-crop-739fdcf2-1920w.png

MMA-Logo-2022-png-blue-background-crop-739fdcf2-1920w.png

44 ms

Night-Sky-BG-1920w.jpg

Night-Sky-BG-1920w.jpg

133 ms

Stargazer07-27-2023-11-b45a750c-1920w.jpg

Stargazer07-27-2023-11-b45a750c-1920w.jpg

141 ms

33+wash+event+photo-1920w.jpeg

33+wash+event+photo-1920w.jpeg

156 ms

ScallopFieldTrip-1920w.jpg

ScallopFieldTrip-1920w.jpg

173 ms

CampWeb-1920w.jpg

CampWeb-1920w.jpg

181 ms

IMG_7039-33d48a1b-1920w.jpg

IMG_7039-33d48a1b-1920w.jpg

277 ms

MMA-Clark-Cluster-BG-1920w.jpg

MMA-Clark-Cluster-BG-1920w.jpg

336 ms

horse+shoe+crab+hands-2304w.jpg

horse+shoe+crab+hands-2304w.jpg

278 ms

For+Slider+comet+party-2304w.png

For+Slider+comet+party-2304w.png

181 ms

ScallopFieldTrip-2304w.jpg

ScallopFieldTrip-2304w.jpg

338 ms

MMA-Clark-Cluster-BG-2304w.jpg

MMA-Clark-Cluster-BG-2304w.jpg

371 ms

Fall+biology+horizontal-1920w.jpg

Fall+biology+horizontal-1920w.jpg

326 ms

Fall+biology+horizontal-2304w.jpg

Fall+biology+horizontal-2304w.jpg

438 ms

CampWeb-2304w.jpg

CampWeb-2304w.jpg

393 ms

Stargazer07-27-2023-11-b45a750c-2304w.jpg

Stargazer07-27-2023-11-b45a750c-2304w.jpg

579 ms

Curved-Horizon-White.svg

Curved-Horizon-White.svg

399 ms

Curved-Horizon-White-Mobile.svg

Curved-Horizon-White-Mobile.svg

379 ms

BO5-1920w.jpg

BO5-1920w.jpg

533 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

4 ms

Accessibility Review

mariamitchell.org accessibility score

91

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

Best Practices

mariamitchell.org best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

mariamitchell.org SEO score

81

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

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 Mariamitchell.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 Mariamitchell.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

mariamitchell.org

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