Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

harvardsciencereview.org

Harvard Science Review – The undergraduate science publication of Harvard University since 1988, looking to bring cutting-edge research, central debat...

Page Load Speed

2.2 sec in total

First Response

10 ms

Resources Loaded

446 ms

Page Rendered

1.7 sec

harvardsciencereview.org screenshot

About Website

Visit harvardsciencereview.org now to see the best up-to-date Harvard Science Review content and also check out these interesting facts you probably never knew about harvardsciencereview.org

The premiere undergraduate science magazine at Harvard College since 1988. Featured Our 2022-2023 issue, Beyond the Lines, is published! Check it out here. Staff Meet our masthead here. Join us! Inter...

Visit harvardsciencereview.org

Key Findings

We analyzed Harvardsciencereview.org page load time and found that the first response time was 10 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

harvardsciencereview.org performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value640 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

Network Requests Diagram

harvardsciencereview.org

10 ms

harvardsciencereview.org

57 ms

global.css

116 ms

118 ms

113 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 27% of them (11 requests) were addressed to the original Harvardsciencereview.org, 17% (7 requests) were made to S0.wp.com and 15% (6 requests) were made to S2.wp.com. The less responsive or slowest element that took the longest time to load (219 ms) belongs to the original domain Harvardsciencereview.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 137.0 kB (1%)

Content Size

18.6 MB

After Optimization

18.5 MB

In fact, the total size of Harvardsciencereview.org main page is 18.6 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 18.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 88.8 kB

  • Original 113.9 kB
  • After minification 111.1 kB
  • After compression 25.1 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 88.8 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 47.3 kB

  • Original 18.4 MB
  • After minification 18.3 MB

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. Harvard Science Review images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 684 B

  • Original 116.2 kB
  • After minification 116.2 kB
  • After compression 115.5 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.

CSS Optimization

-2%

Potential reduce by 271 B

  • Original 16.9 kB
  • After minification 16.9 kB
  • After compression 16.6 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. Harvardsciencereview.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (60%)

Requests Now

35

After Optimization

14

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Harvard Science Review. 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 from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

harvardsciencereview.org accessibility score

96

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.

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

harvardsciencereview.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

harvardsciencereview.org SEO score

82

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

Links do not have descriptive text

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 Harvardsciencereview.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 Harvardsciencereview.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

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