Tools & Wizards About Us
ameriflux.lbl.gov screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

ameriflux.lbl.gov

AmeriFlux: Measuring carbon, water and energy flux across the Americas.

Page Load Speed

3.8 sec in total

First Response

150 ms

Resources Loaded

2.9 sec

Page Rendered

737 ms

ameriflux.lbl.gov screenshot

About Website

Welcome to ameriflux.lbl.gov homepage info - get ready to check Ameri Flux Lbl best content for United States right away, or after learning these important things about ameriflux.lbl.gov

AmeriFlux, AmeriFlux Network, AmeriFlux Management Project, AMP, flux, CO2, carbon, energy, water, ecosystem, eddy covariance

Visit ameriflux.lbl.gov

Key Findings

We analyzed Ameriflux.lbl.gov page load time and found that the first response time was 150 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

ameriflux.lbl.gov performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value26.8 s

0/100

10%

TBT (Total Blocking Time)

Value33,430 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.13

81/100

15%

TTI (Time to Interactive)

Value47.0 s

0/100

10%

Network Requests Diagram

ameriflux.lbl.gov

150 ms

js

196 ms

all.css

606 ms

tribe-events-pro-mini-calendar-block.min.css

499 ms

style.min.css

482 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 59% of them (43 requests) were addressed to the original Ameriflux.lbl.gov, 15% (11 requests) were made to Use.typekit.net and 15% (11 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Ameriflux.lbl.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 481.2 kB (19%)

Content Size

2.6 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ameriflux.lbl.gov main page is 2.6 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. 75% 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 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 87.7 kB

  • Original 113.7 kB
  • After minification 109.1 kB
  • After compression 26.0 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 87.7 kB or 77% of the original size.

Image Optimization

-17%

Potential reduce by 383.2 kB

  • Original 2.3 MB
  • After minification 1.9 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. Obviously, Ameri Flux Lbl needs image optimization as it can save up to 383.2 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 2.9 kB

  • Original 77.4 kB
  • After minification 77.3 kB
  • After compression 74.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-11%

Potential reduce by 7.4 kB

  • Original 67.0 kB
  • After minification 67.0 kB
  • After compression 59.6 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. Ameriflux.lbl.gov needs all CSS files to be minified and compressed as it can save up to 7.4 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (48%)

Requests Now

61

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ameri Flux Lbl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ameriflux.lbl.gov

ameriflux.lbl.gov

150 ms

js

js

196 ms

all.css

all.css

606 ms

tribe-events-pro-mini-calendar-block.min.css

tribe-events-pro-mini-calendar-block.min.css

499 ms

style.min.css

style.min.css

482 ms

theme-my-login.min.css

theme-my-login.min.css

480 ms

tablepress-combined.min.css

tablepress-combined.min.css

497 ms

style.css

style.css

551 ms

jquery.min.js

jquery.min.js

503 ms

jquery-migrate.min.js

jquery-migrate.min.js

675 ms

intl_welcome.js

intl_welcome.js

672 ms

afx_trackuse.js

afx_trackuse.js

672 ms

modernizr.custom.min.js

modernizr.custom.min.js

673 ms

gfi8wvz.js

gfi8wvz.js

490 ms

widgets.js

widgets.js

484 ms

widget-full.min.css

widget-full.min.css

660 ms

theme-my-login.min.js

theme-my-login.min.js

1115 ms

searchbar.js

searchbar.js

1117 ms

scripts.js

scripts.js

1118 ms

bootstrap.min.js

bootstrap.min.js

1116 ms

jquery.fitvids.js

jquery.fitvids.js

1111 ms

fitvid.js

fitvid.js

1111 ms

bkg.jpg

bkg.jpg

590 ms

tower.png

tower.png

579 ms

copy-ameriflux_r6_final-sm.png

copy-ameriflux_r6_final-sm.png

325 ms

flag-ES.png

flag-ES.png

323 ms

flag-FR.png

flag-FR.png

302 ms

flag-PT.png

flag-PT.png

557 ms

US-HB1_July2019-e1663710123853-691x490.jpg

US-HB1_July2019-e1663710123853-691x490.jpg

651 ms

Metolius_burn-750x345.png

Metolius_burn-750x345.png

850 ms

3_ladder_ses-750x490.jpg

3_ladder_ses-750x490.jpg

757 ms

Wang_figure5-750x490.jpg

Wang_figure5-750x490.jpg

854 ms

Picture3-750x490.png

Picture3-750x490.png

945 ms

US-HB1_July2019-e1663710123853-300x200.jpg

US-HB1_July2019-e1663710123853-300x200.jpg

789 ms

Metolius_burn-300x200.png

Metolius_burn-300x200.png

881 ms

3_ladder_ses-300x200.jpg

3_ladder_ses-300x200.jpg

862 ms

Wang_figure5-300x200.jpg

Wang_figure5-300x200.jpg

1002 ms

Picture3-300x200.png

Picture3-300x200.png

1136 ms

Picture2-300x200.png

Picture2-300x200.png

1098 ms

Picture1-300x200.png

Picture1-300x200.png

1126 ms

IMG_8293-300x200.jpg

IMG_8293-300x200.jpg

1124 ms

pic00036-1-300x200.jpg

pic00036-1-300x200.jpg

1151 ms

AmeriFluxFLUXNET_DownloadData_20220322-300x200.png

AmeriFluxFLUXNET_DownloadData_20220322-300x200.png

1244 ms

AMF-map-20220829.png

AMF-map-20220829.png

1436 ms

aflux-footer-logo.png

aflux-footer-logo.png

1346 ms

us-department-logo.png

us-department-logo.png

1363 ms

d

d

173 ms

d

d

417 ms

d

d

412 ms

d

d

401 ms

d

d

412 ms

d

d

417 ms

d

d

419 ms

d

d

417 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1242 ms

analytics.js

analytics.js

198 ms

widget_iframe.7dae38096d06923d683a2a807172322a.html

widget_iframe.7dae38096d06923d683a2a807172322a.html

145 ms

d

d

244 ms

d

d

89 ms

settings

settings

145 ms

collect

collect

38 ms

p.gif

p.gif

94 ms

horizon_timeline.a7991bb824d62c8d5038ddd875db8389.js

horizon_timeline.a7991bb824d62c8d5038ddd875db8389.js

36 ms

embeds

embeds

31 ms

AmeriFlux

AmeriFlux

604 ms

polyfills-57d3feabe8bfd4ee389c.js

polyfills-57d3feabe8bfd4ee389c.js

25 ms

runtime-eb61dff4a84b8f906e6b.js

runtime-eb61dff4a84b8f906e6b.js

55 ms

modules.c7def0268c66f6a548ed.js

modules.c7def0268c66f6a548ed.js

112 ms

main-e9db78f5e7b3d83edd5e.js

main-e9db78f5e7b3d83edd5e.js

93 ms

_app-446fb4a338b215deec8c.js

_app-446fb4a338b215deec8c.js

92 ms

%5BscreenName%5D-c8b4c96951cf24f547b4.js

%5BscreenName%5D-c8b4c96951cf24f547b4.js

102 ms

_buildManifest.js

_buildManifest.js

114 ms

_ssgManifest.js

_ssgManifest.js

113 ms

Accessibility Review

ameriflux.lbl.gov accessibility score

72

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

High

Links do not have a discernible name

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.

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

ameriflux.lbl.gov 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ameriflux.lbl.gov SEO score

88

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

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 Ameriflux.lbl.gov 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 Ameriflux.lbl.gov 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

ameriflux.lbl.gov

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