Tools & Wizards About Us
micro.seas.harvard.edu screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

micro.seas.harvard.edu

Micro | Cambridge | Harvard Microrobotics Laboratory

Page Load Speed

704 ms in total

First Response

116 ms

Resources Loaded

588 ms

Page Rendered

0 ms

micro.seas.harvard.edu screenshot

About Website

Click here to check amazing Micro Seas Harvard content for United States. Otherwise, check out these important facts you probably never knew about micro.seas.harvard.edu

Our research at Harvard Microrobotics Laboratory focuses on mechanics, materials, design, and manufacturing for novel bioinspired, medical, origami, soft and underwater robots.

Visit micro.seas.harvard.edu

Key Findings

We analyzed Micro.seas.harvard.edu page load time and found that the first response time was 116 ms and then it took 588 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

micro.seas.harvard.edu performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value8.2 s

40/100

10%

Network Requests Diagram

www.micro.seas.harvard.edu

116 ms

minified.js

29 ms

focus-within-polyfill.js

28 ms

polyfill.min.js

25 ms

thunderbolt-commons.81e79c4a.bundle.min.js

98 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Micro.seas.harvard.edu, 43% (9 requests) were made to Static.parastorage.com and 43% (9 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (116 ms) belongs to the original domain Micro.seas.harvard.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 729.4 kB (62%)

Content Size

1.2 MB

After Optimization

451.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Micro.seas.harvard.edu main page is 1.2 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. 35% of websites need less resources to load. HTML takes 846.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 678.6 kB

  • Original 846.4 kB
  • After minification 844.6 kB
  • After compression 167.8 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 678.6 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 2.7 kB

  • Original 45.4 kB
  • After minification 42.7 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. Micro Seas Harvard images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 48.1 kB

  • Original 288.7 kB
  • After minification 288.7 kB
  • After compression 240.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 48.1 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (50%)

Requests Now

20

After Optimization

10

  • Images
  • JavaScript

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Micro Seas Harvard. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.micro.seas.harvard.edu

www.micro.seas.harvard.edu

116 ms

minified.js

minified.js

29 ms

focus-within-polyfill.js

focus-within-polyfill.js

28 ms

polyfill.min.js

polyfill.min.js

25 ms

thunderbolt-commons.81e79c4a.bundle.min.js

thunderbolt-commons.81e79c4a.bundle.min.js

98 ms

main.e8bb44c8.bundle.min.js

main.e8bb44c8.bundle.min.js

99 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

97 ms

lodash.min.js

lodash.min.js

111 ms

react.production.min.js

react.production.min.js

98 ms

react-dom.production.min.js

react-dom.production.min.js

100 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

100 ms

f61915_34b12fd562954e1e95158fbfc58cd9df~mv2.png

f61915_34b12fd562954e1e95158fbfc58cd9df~mv2.png

58 ms

bundle.min.js

bundle.min.js

52 ms

f61915_f8d35e2d0a9b4f9faa3b030fa5563043f000.jpg

f61915_f8d35e2d0a9b4f9faa3b030fa5563043f000.jpg

32 ms

f61915_f7c421037d5d49b586d39a535ffbd4ae~mv2.jpg

f61915_f7c421037d5d49b586d39a535ffbd4ae~mv2.jpg

35 ms

f61915_39e1f0309b27416eb25889a21f018f95~mv2.jpg

f61915_39e1f0309b27416eb25889a21f018f95~mv2.jpg

34 ms

f61915_2d712cc18fb640bb865398faf6851546~mv2_d_3325_3313_s_4_2.png

f61915_2d712cc18fb640bb865398faf6851546~mv2_d_3325_3313_s_4_2.png

32 ms

f61915_cd485eaa28c04613a6f38f5321c7f65f~mv2_d_3102_1500_s_2.png

f61915_cd485eaa28c04613a6f38f5321c7f65f~mv2_d_3102_1500_s_2.png

36 ms

f61915_67f48638e8684137bf7f746ea1c2ca64~mv2.jpg

f61915_67f48638e8684137bf7f746ea1c2ca64~mv2.jpg

35 ms

f61915_d73f20df53fc4a2ab671d79427bca6bd~mv2.png

f61915_d73f20df53fc4a2ab671d79427bca6bd~mv2.png

33 ms

f61915_32835056cf754bc9878388e2da403696~mv2_d_1745_1309_s_2.jpg

f61915_32835056cf754bc9878388e2da403696~mv2_d_1745_1309_s_2.jpg

36 ms

Accessibility Review

micro.seas.harvard.edu accessibility score

92

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

Best Practices

micro.seas.harvard.edu best practices score

83

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

micro.seas.harvard.edu SEO score

92

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

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 Micro.seas.harvard.edu 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 Micro.seas.harvard.edu 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

micro.seas.harvard.edu

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