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www2.lbl.gov screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

www2.lbl.gov

Home – Lawrence Berkeley National Laboratory

Page Load Speed

2.5 sec in total

First Response

78 ms

Resources Loaded

1.1 sec

Page Rendered

1.4 sec

www2.lbl.gov screenshot

About Website

Visit www2.lbl.gov now to see the best up-to-date Www 2 Lbl content for United States and also check out these interesting facts you probably never knew about www2.lbl.gov

Lawrence Berkeley National Laboratory is advancing the scope of human knowledge & seeking science solutions to the greatest problems facing humankind.

Visit www2.lbl.gov

Key Findings

We analyzed Www2.lbl.gov page load time and found that the first response time was 78 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

www2.lbl.gov performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.7 s

0/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value1,040 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.137

79/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

www2.lbl.gov

78 ms

www2.lbl.gov

344 ms

www.lbl.gov

58 ms

www.lbl.gov

141 ms

global.css

123 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Www2.lbl.gov, 88% (67 requests) were made to Lbl.gov and 4% (3 requests) were made to Cdn.lbl.gov. The less responsive or slowest element that took the longest time to load (344 ms) belongs to the original domain Www2.lbl.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.4 kB (2%)

Content Size

4.4 MB

After Optimization

4.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Www2.lbl.gov main page is 4.4 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. 80% 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 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 48.3 kB

  • Original 61.1 kB
  • After minification 58.8 kB
  • After compression 12.8 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 48.3 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 18.2 kB

  • Original 3.1 MB
  • After minification 3.0 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. Www 2 Lbl images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.4 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 1.3 MB

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 533 B

  • Original 24.0 kB
  • After minification 24.0 kB
  • After compression 23.5 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. Www2.lbl.gov has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 56 (78%)

Requests Now

72

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Www 2 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 52 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www2.lbl.gov

www2.lbl.gov

78 ms

www2.lbl.gov

www2.lbl.gov

344 ms

www.lbl.gov

www.lbl.gov

58 ms

www.lbl.gov

www.lbl.gov

141 ms

global.css

global.css

123 ms

evi6dpc.css

evi6dpc.css

146 ms

bundle.css

bundle.css

41 ms

style.min.css

style.min.css

103 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

71 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

57 ms

wp-polyfill.min.js

wp-polyfill.min.js

55 ms

react.min.js

react.min.js

61 ms

autop.min.js

autop.min.js

68 ms

blob.min.js

blob.min.js

83 ms

block-serialization-default-parser.min.js

block-serialization-default-parser.min.js

96 ms

hooks.min.js

hooks.min.js

117 ms

deprecated.min.js

deprecated.min.js

126 ms

dom.min.js

dom.min.js

127 ms

react-dom.min.js

react-dom.min.js

138 ms

escape-html.min.js

escape-html.min.js

139 ms

element.min.js

element.min.js

177 ms

is-shallow-equal.min.js

is-shallow-equal.min.js

138 ms

i18n.min.js

i18n.min.js

139 ms

keycodes.min.js

keycodes.min.js

142 ms

priority-queue.min.js

priority-queue.min.js

162 ms

compose.min.js

compose.min.js

175 ms

private-apis.min.js

private-apis.min.js

174 ms

redux-routine.min.js

redux-routine.min.js

160 ms

data.min.js

data.min.js

177 ms

html-entities.min.js

html-entities.min.js

201 ms

dom-ready.min.js

dom-ready.min.js

199 ms

a11y.min.js

a11y.min.js

201 ms

rich-text.min.js

rich-text.min.js

208 ms

shortcode.min.js

shortcode.min.js

224 ms

blocks.min.js

blocks.min.js

217 ms

moment.min.js

moment.min.js

217 ms

date.min.js

date.min.js

232 ms

primitives.min.js

primitives.min.js

236 ms

warning.min.js

warning.min.js

248 ms

components.min.js

components.min.js

288 ms

url.min.js

url.min.js

243 ms

lblFullComponents.js

lblFullComponents.js

170 ms

lblHomesuite.js

lblHomesuite.js

153 ms

js

js

64 ms

api-fetch.min.js

api-fetch.min.js

258 ms

keyboard-shortcuts.min.js

keyboard-shortcuts.min.js

224 ms

commands.min.js

commands.min.js

221 ms

notices.min.js

notices.min.js

222 ms

preferences-persistence.min.js

preferences-persistence.min.js

232 ms

preferences.min.js

preferences.min.js

209 ms

style-engine.min.js

style-engine.min.js

245 ms

token-list.min.js

token-list.min.js

227 ms

wordcount.min.js

wordcount.min.js

207 ms

block-editor.min.js

block-editor.min.js

194 ms

core-data.min.js

core-data.min.js

214 ms

evi6dpc.css

evi6dpc.css

36 ms

media-utils.min.js

media-utils.min.js

201 ms

patterns.min.js

patterns.min.js

202 ms

server-side-render.min.js

server-side-render.min.js

206 ms

editor.min.js

editor.min.js

211 ms

bundle.js

bundle.js

270 ms

p.css

p.css

39 ms

berkeley-logo.svg

berkeley-logo.svg

58 ms

Capabilities-Landing_CTA-Module_XBD202005-00089_043-scaled-e1656360607893.jpg

Capabilities-Landing_CTA-Module_XBD202005-00089_043-scaled-e1656360607893.jpg

61 ms

XBD201504-00099.jpeg

XBD201504-00099.jpeg

64 ms

XBD-202204-023_009.jpeg

XBD-202204-023_009.jpeg

59 ms

LBL_iStock-1620395002-2225x1252.jpg

LBL_iStock-1620395002-2225x1252.jpg

63 ms

Newscenter_1190x750px_Kristin-Persson_Credit-Elena-ZhukovaUC-Berkeley-890x560-1.jpg

Newscenter_1190x750px_Kristin-Persson_Credit-Elena-ZhukovaUC-Berkeley-890x560-1.jpg

62 ms

XBD-202210-183-004-890x595.jpg

XBD-202210-183-004-890x595.jpg

69 ms

XBD201805-00340-001.jpeg

XBD201805-00340-001.jpeg

71 ms

Resized_AT-portrait-IMG_4015-e1698965195818-330x330.jpg

Resized_AT-portrait-IMG_4015-e1698965195818-330x330.jpg

72 ms

abutko-2023-e1699636367130-330x409.jpg

abutko-2023-e1699636367130-330x409.jpg

93 ms

Key-Contacts_Therese-Leone_XBD-202105-0058-006-e1656378353653.jpg

Key-Contacts_Therese-Leone_XBD-202105-0058-006-e1656378353653.jpg

80 ms

Resized_24-0118-01.hr_-1440x960-1-890x593.jpg

Resized_24-0118-01.hr_-1440x960-1-890x593.jpg

94 ms

Newscenter_RD100-Awards_1025X685PX_-890x595.jpeg

Newscenter_RD100-Awards_1025X685PX_-890x595.jpeg

93 ms

890x610px_shutterstock_2024618897.jpg

890x610px_shutterstock_2024618897.jpg

99 ms

Accessibility Review

www2.lbl.gov accessibility score

97

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

Links do not have a discernible name

Best Practices

www2.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

www2.lbl.gov SEO score

93

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

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 Www2.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 Www2.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

www2.lbl.gov

Open Graph data is detected on the main page of Www 2 Lbl. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: