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mariamitchell.org screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

mariamitchell.org

Maria Mitchell Association | Nantucket’s Science Center

Page Load Speed

1.3 sec in total

First Response

31 ms

Resources Loaded

814 ms

Page Rendered

434 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 31 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

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value1,130 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.117

85/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

mariamitchell.org

31 ms

www.mariamitchell.org

175 ms

MMA-Logo-Web-2021-Square.svg

109 ms

MMA_Loines_2-1920w.jpg

134 ms

script.js

148 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 12% of them (3 requests) were addressed to the original Mariamitchell.org, 62% (16 requests) were made to Lirp.cdn-website.com and 15% (4 requests) were made to Static.cdn-website.com. The less responsive or slowest element that took the longest time to load (665 ms) relates to the external source Lirp.cdn-website.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 710.7 kB (40%)

Content Size

1.8 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Mariamitchell.org main page is 1.8 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 414.9 kB

  • Original 513.8 kB
  • After minification 503.5 kB
  • After compression 98.9 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 414.9 kB or 81% of the original size.

Image Optimization

-27%

Potential reduce by 295.7 kB

  • Original 1.1 MB
  • After minification 811.5 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, Maria Mitchell needs image optimization as it can save up to 295.7 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 154 B

  • Original 144.9 kB
  • After minification 144.9 kB
  • After compression 144.7 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 4 (19%)

Requests Now

21

After Optimization

17

  • Images
  • JavaScript

The browser has sent 21 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 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

mariamitchell.org

mariamitchell.org

31 ms

www.mariamitchell.org

www.mariamitchell.org

175 ms

MMA-Logo-Web-2021-Square.svg

MMA-Logo-Web-2021-Square.svg

109 ms

MMA_Loines_2-1920w.jpg

MMA_Loines_2-1920w.jpg

134 ms

script.js

script.js

148 ms

MMA-Wordmark-White.svg

MMA-Wordmark-White.svg

98 ms

MMA+Logo+2022+png+blue+background+crop-115h.png

MMA+Logo+2022+png+blue+background+crop-115h.png

271 ms

Night-Sky-BG-1920w.jpg

Night-Sky-BG-1920w.jpg

329 ms

ScallopFieldTrip-1920w.jpg

ScallopFieldTrip-1920w.jpg

328 ms

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

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

124 ms

IMG_7039-33d48a1b-1920w.jpg

IMG_7039-33d48a1b-1920w.jpg

137 ms

kids+collecting+bugs-1920w.JPG

kids+collecting+bugs-1920w.JPG

273 ms

GuideStar---Platinum-Transparency--2810-29-1920w.png

GuideStar---Platinum-Transparency--2810-29-1920w.png

305 ms

ScallopFieldTrip-2304w.jpg

ScallopFieldTrip-2304w.jpg

148 ms

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

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

157 ms

IMG_7039-33d48a1b-2304w.jpg

IMG_7039-33d48a1b-2304w.jpg

325 ms

kids+collecting+bugs-2304w.JPG

kids+collecting+bugs-2304w.JPG

270 ms

GuideStar---Platinum-Transparency--288-29-1920w.png

GuideStar---Platinum-Transparency--288-29-1920w.png

665 ms

GuideStar---Platinum-Transparency--288-29-2304w.png

GuideStar---Platinum-Transparency--288-29-2304w.png

300 ms

Curved-Horizon-White.svg

Curved-Horizon-White.svg

337 ms

Curved-Horizon-White-Mobile.svg

Curved-Horizon-White-Mobile.svg

345 ms

jquery-3.7.0.min.js

jquery-3.7.0.min.js

52 ms

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

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

68 ms

d-js-jquery-migrate.min.js

d-js-jquery-migrate.min.js

65 ms

message.js

message.js

24 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

5 ms

Accessibility Review

mariamitchell.org accessibility score

90

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: