Tools & Wizards About Us
blog.joslin.org screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

blog.joslin.org

Joslin Diabetes Center – World Leader in Diabetes Care & Research

Page Load Speed

1.8 sec in total

First Response

44 ms

Resources Loaded

647 ms

Page Rendered

1.1 sec

blog.joslin.org screenshot

About Website

Welcome to blog.joslin.org homepage info - get ready to check Blog Joslin best content for United States right away, or after learning these important things about blog.joslin.org

At Joslin you’ll find researchers, physicians, clinicians, and educators all focused on improving the lives of people with diabetes.

Visit blog.joslin.org

Key Findings

We analyzed Blog.joslin.org page load time and found that the first response time was 44 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

blog.joslin.org performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value6.4 s

60/100

10%

Network Requests Diagram

blog.joslin.org

44 ms

www.joslin.org

134 ms

gtm.js

72 ms

css_PfO9EQ4PLEyaNmGoXGcOUHT9_oRB2H3_oGKRsWVY0K0.css

30 ms

css_U3CkhsKMT8zO5iN6VMti4mzeAwhQ3jy24lH9xBZYt8Q.css

46 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Blog.joslin.org, 66% (57 requests) were made to Joslin.org and 20% (17 requests) were made to Zencloud-joslin.s3.amazonaws.com. The less responsive or slowest element that took the longest time to load (320 ms) relates to the external source Zencloud-joslin.s3.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.2 kB (12%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blog.joslin.org main page is 1.1 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. 60% of websites need less resources to load. Images take 845.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 72.9 kB

  • Original 92.1 kB
  • After minification 92.1 kB
  • After compression 19.2 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 72.9 kB or 79% of the original size.

Image Optimization

-6%

Potential reduce by 50.0 kB

  • Original 845.9 kB
  • After minification 795.9 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. Blog Joslin images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 8.1 kB

  • Original 161.2 kB
  • After minification 161.2 kB
  • After compression 153.2 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

-1%

Potential reduce by 351 B

  • Original 38.7 kB
  • After minification 38.7 kB
  • After compression 38.4 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. Blog.joslin.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 57 (75%)

Requests Now

76

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog Joslin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 53 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

blog.joslin.org

blog.joslin.org

44 ms

www.joslin.org

www.joslin.org

134 ms

gtm.js

gtm.js

72 ms

css_PfO9EQ4PLEyaNmGoXGcOUHT9_oRB2H3_oGKRsWVY0K0.css

css_PfO9EQ4PLEyaNmGoXGcOUHT9_oRB2H3_oGKRsWVY0K0.css

30 ms

css_U3CkhsKMT8zO5iN6VMti4mzeAwhQ3jy24lH9xBZYt8Q.css

css_U3CkhsKMT8zO5iN6VMti4mzeAwhQ3jy24lH9xBZYt8Q.css

46 ms

css

css

61 ms

mbu0tjz.css

mbu0tjz.css

53 ms

css_0QzIO_Nk4dI6oaRfE9OxEUIFLxJgdnAlDjJHpr27t88.css

css_0QzIO_Nk4dI6oaRfE9OxEUIFLxJgdnAlDjJHpr27t88.css

55 ms

blazy.polyfill.min.js

blazy.polyfill.min.js

50 ms

jquery.min.js

jquery.min.js

53 ms

blazy.classlist.min.js

blazy.classlist.min.js

52 ms

blazy.promise.min.js

blazy.promise.min.js

64 ms

blazy.raf.min.js

blazy.raf.min.js

63 ms

once.min.js

once.min.js

63 ms

drupalSettingsLoader.js

drupalSettingsLoader.js

64 ms

drupal.js

drupal.js

65 ms

drupal.init.js

drupal.init.js

91 ms

debounce.js

debounce.js

83 ms

dblazy.min.js

dblazy.min.js

84 ms

blazy.once.min.js

blazy.once.min.js

87 ms

blazy.sanitizer.min.js

blazy.sanitizer.min.js

86 ms

blazy.dom.min.js

blazy.dom.min.js

85 ms

blazy.base.min.js

blazy.base.min.js

86 ms

blazy.dataset.min.js

blazy.dataset.min.js

85 ms

blazy.viewport.min.js

blazy.viewport.min.js

91 ms

blazy.xlazy.min.js

blazy.xlazy.min.js

91 ms

blazy.observer.min.js

blazy.observer.min.js

90 ms

blazy.loading.min.js

blazy.loading.min.js

90 ms

blazy.webp.min.js

blazy.webp.min.js

90 ms

blazy.min.js

blazy.min.js

159 ms

bio.min.js

bio.min.js

163 ms

slick.min.js

slick.min.js

159 ms

bio.media.min.js

bio.media.min.js

157 ms

blazy.drupal.min.js

blazy.drupal.min.js

160 ms

blazy.load.min.js

blazy.load.min.js

157 ms

index.umd.min.js

index.umd.min.js

159 ms

progress.js

progress.js

159 ms

loadjs.min.js

loadjs.min.js

167 ms

announce.js

announce.js

167 ms

message.js

message.js

166 ms

messages.js

messages.js

167 ms

ajax.js

ajax.js

144 ms

ajax.js

ajax.js

128 ms

p.css

p.css

43 ms

ajax-throbber.js

ajax-throbber.js

125 ms

typeahead.bundle.min.js

typeahead.bundle.min.js

131 ms

handlebars.min.js

handlebars.min.js

132 ms

navigation.js

navigation.js

120 ms

global.js

global.js

114 ms

extlink.js

extlink.js

118 ms

captcha-form.js

captcha-form.js

239 ms

slick.load.min.js

slick.load.min.js

122 ms

tabs.js

tabs.js

116 ms

cards.js

cards.js

228 ms

hero-banner.js

hero-banner.js

226 ms

util.js

util.js

227 ms

collapse.js

collapse.js

226 ms

modal.js

modal.js

225 ms

active-timeout.min.js

active-timeout.min.js

225 ms

donleeve.min.js

donleeve.min.js

269 ms

modal-alert.js

modal-alert.js

264 ms

jdc_prm_logo_rgb_rev-light_0.png

jdc_prm_logo_rgb_rev-light_0.png

257 ms

jdc_prm_logo_rgb_0.png

jdc_prm_logo_rgb_0.png

265 ms

homepagehero-aiello.jpg

homepagehero-aiello.jpg

288 ms

homepagehero-mackenzie-softball.jpg

homepagehero-mackenzie-softball.jpg

285 ms

jillian_homepagefeature.jpg

jillian_homepagefeature.jpg

231 ms

benny_homepagefeature.jpg

benny_homepagefeature.jpg

267 ms

mackenzie_homepagefeature.jpg

mackenzie_homepagefeature.jpg

264 ms

nurse-patient-hospital-749x530px.jpg

nurse-patient-hospital-749x530px.jpg

264 ms

abby-700x450.png

abby-700x450.png

291 ms

scale-teaser-700x450.png

scale-teaser-700x450.png

320 ms

womeninscience.jpg

womeninscience.jpg

277 ms

podgraphic_0_0.png

podgraphic_0_0.png

300 ms

rosas-joslin-diabetes-center.jpg

rosas-joslin-diabetes-center.jpg

305 ms

hispanicfamily.jpg

hispanicfamily.jpg

319 ms

heroiccatheryn-support.jpg

heroiccatheryn-support.jpg

314 ms

img-logo-joslin-j.png

img-logo-joslin-j.png

317 ms

img-logo-harvard-medical.png

img-logo-harvard-medical.png

320 ms

va9c4lja2NVIDdIAAoMR5MfuElaRB0zJt0k.woff

va9c4lja2NVIDdIAAoMR5MfuElaRB0zJt0k.woff

219 ms

va9Z4lja2NVIDdIAAoMR5MfuElaRB0RyklrRPXo.woff

va9Z4lja2NVIDdIAAoMR5MfuElaRB0RyklrRPXo.woff

219 ms

d

d

57 ms

d

d

74 ms

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

10 ms

d

d

73 ms

d

d

73 ms

fa.ttf

fa.ttf

75 ms

Accessibility Review

blog.joslin.org accessibility score

94

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Best Practices

blog.joslin.org best practices score

92

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

Page has valid source maps

SEO Factors

blog.joslin.org 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 Blog.joslin.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 Blog.joslin.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

blog.joslin.org

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