Tools & Wizards About Us
sciencereview.silentspring.org screenshot

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

sciencereview.silentspring.org

Environment and Breast Cancer: Science Review | Silent Spring Institute

Page Load Speed

1.3 sec in total

First Response

182 ms

Resources Loaded

988 ms

Page Rendered

161 ms

sciencereview.silentspring.org screenshot

About Website

Click here to check amazing Science Review Silent Spring content for United States. Otherwise, check out these important facts you probably never knew about sciencereview.silentspring.org

We are creating new knowledge about cancer-causing chemicals--how we are exposed and how they affect our health.

Visit sciencereview.silentspring.org

Key Findings

We analyzed Sciencereview.silentspring.org page load time and found that the first response time was 182 ms and then it took 1.1 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

sciencereview.silentspring.org performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

74/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

sciencereview.silentspring.org

182 ms

normalize.css

27 ms

normalize-fixes.css

105 ms

ajax-progress.module.css

108 ms

align.module.css

133 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 10% of them (9 requests) were addressed to the original Sciencereview.silentspring.org, 83% (76 requests) were made to Silentspring.org and 4% (4 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (479 ms) relates to the external source Silentspring.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 37.4 kB (13%)

Content Size

279.2 kB

After Optimization

241.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sciencereview.silentspring.org main page is 279.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 176.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 21.2 kB

  • Original 27.6 kB
  • After minification 24.0 kB
  • After compression 6.3 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. This page needs HTML code to be minified as it can gain 3.6 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 21.2 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 81 B

  • Original 176.7 kB
  • After minification 176.6 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. Science Review Silent Spring images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 8.8 kB

  • Original 55.5 kB
  • After minification 54.8 kB
  • After compression 46.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 8.8 kB or 16% of the original size.

CSS Optimization

-38%

Potential reduce by 7.3 kB

  • Original 19.4 kB
  • After minification 19.3 kB
  • After compression 12.1 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. Sciencereview.silentspring.org needs all CSS files to be minified and compressed as it can save up to 7.3 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (62%)

Requests Now

29

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Review Silent Spring. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sciencereview.silentspring.org

sciencereview.silentspring.org

182 ms

normalize.css

normalize.css

27 ms

normalize-fixes.css

normalize-fixes.css

105 ms

ajax-progress.module.css

ajax-progress.module.css

108 ms

align.module.css

align.module.css

133 ms

autocomplete-loading.module.css

autocomplete-loading.module.css

102 ms

fieldgroup.module.css

fieldgroup.module.css

103 ms

container-inline.module.css

container-inline.module.css

105 ms

clearfix.module.css

clearfix.module.css

171 ms

details.module.css

details.module.css

167 ms

hidden.module.css

hidden.module.css

184 ms

item-list.module.css

item-list.module.css

169 ms

js.module.css

js.module.css

186 ms

nowrap.module.css

nowrap.module.css

203 ms

position-container.module.css

position-container.module.css

255 ms

progress.module.css

progress.module.css

240 ms

reset-appearance.module.css

reset-appearance.module.css

264 ms

resize.module.css

resize.module.css

255 ms

sticky-header.module.css

sticky-header.module.css

259 ms

system-status-counter.css

system-status-counter.css

272 ms

system-status-report-counters.css

system-status-report-counters.css

325 ms

system-status-report-general-info.css

system-status-report-general-info.css

322 ms

tabledrag.module.css

tabledrag.module.css

323 ms

tablesort.module.css

tablesort.module.css

334 ms

tree-child.module.css

tree-child.module.css

336 ms

views.module.css

views.module.css

342 ms

responsive_menu_breakpoint.css

responsive_menu_breakpoint.css

327 ms

jquery.mmenu.all.css

jquery.mmenu.all.css

422 ms

responsive_menu.css

responsive_menu.css

397 ms

efd.css

efd.css

401 ms

search_kint.css

search_kint.css

404 ms

paragraphs.unpublished.css

paragraphs.unpublished.css

405 ms

action-links.css

action-links.css

409 ms

breadcrumb.css

breadcrumb.css

472 ms

button.css

button.css

469 ms

collapse-processed.css

collapse-processed.css

479 ms

container-inline.css

container-inline.css

474 ms

zqo4yvs.css

zqo4yvs.css

141 ms

styles-NEW.css

styles-NEW.css

29 ms

rollers.js

rollers.js

54 ms

urchin.js

urchin.js

6 ms

details.css

details.css

449 ms

exposed-filters.css

exposed-filters.css

389 ms

field.css

field.css

441 ms

form.css

form.css

443 ms

icons.css

icons.css

437 ms

inline-form.css

inline-form.css

449 ms

item-list.css

item-list.css

423 ms

p.css

p.css

22 ms

link.css

link.css

396 ms

links.css

links.css

438 ms

menu.css

menu.css

439 ms

more-link.css

more-link.css

429 ms

pager.css

pager.css

466 ms

tabledrag.css

tabledrag.css

453 ms

tableselect.css

tableselect.css

419 ms

tablesort.css

tablesort.css

417 ms

tabs.css

tabs.css

420 ms

textarea.css

textarea.css

426 ms

ui-dialog.css

ui-dialog.css

451 ms

messages.css

messages.css

461 ms

custom.css

custom.css

345 ms

ready.min.js

ready.min.js

460 ms

jquery.min.js

jquery.min.js

351 ms

jquery.once.min.js

jquery.once.min.js

455 ms

drupalSettingsLoader.js

drupalSettingsLoader.js

348 ms

drupal.js

drupal.js

352 ms

drupal.init.js

drupal.init.js

348 ms

jquery.mmenu.all.js

jquery.mmenu.all.js

387 ms

responsive_menu.config.js

responsive_menu.config.js

407 ms

search_kint.search.js

search_kint.search.js

420 ms

search_kint.trail.js

search_kint.trail.js

407 ms

modernizr.js

modernizr.js

373 ms

custom.js

custom.js

362 ms

logo.svg

logo.svg

314 ms

cosmetics.jpg

cosmetics.jpg

45 ms

mag-glass.svg

mag-glass.svg

41 ms

white-arrow.svg

white-arrow.svg

42 ms

hero-our-science.jpg

hero-our-science.jpg

43 ms

rule.gif

rule.gif

44 ms

title_home_animals.gif

title_home_animals.gif

68 ms

title_home_humans.gif

title_home_humans.gif

66 ms

button_mammary.gif

button_mammary.gif

67 ms

button_epidimiology.gif

button_epidimiology.gif

66 ms

__utm.gif

__utm.gif

26 ms

footer-graphic.png

footer-graphic.png

28 ms

twitter_icon.svg

twitter_icon.svg

26 ms

facebook_icon.svg

facebook_icon.svg

27 ms

youtube_icon.svg

youtube_icon.svg

30 ms

d

d

21 ms

d

d

21 ms

d

d

23 ms

Accessibility Review

sciencereview.silentspring.org accessibility score

98

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

Best Practices

sciencereview.silentspring.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

sciencereview.silentspring.org SEO score

88

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 Sciencereview.silentspring.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 Sciencereview.silentspring.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

sciencereview.silentspring.org

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