Report Summary

  • 73

    Performance

    Renders faster than
    83% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

wpc-am.lbl.gov

Error - Berkeley Lab Login

Page Load Speed

1.5 sec in total

First Response

421 ms

Resources Loaded

1.1 sec

Page Rendered

0 ms

wpc-am.lbl.gov screenshot

About Website

Welcome to wpc-am.lbl.gov homepage info - get ready to check Wpc Am Lbl best content for United States right away, or after learning these important things about wpc-am.lbl.gov

Visit wpc-am.lbl.gov

Key Findings

We analyzed Wpc-am.lbl.gov page load time and found that the first response time was 421 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 20% of websites can load faster.

Performance Metrics

wpc-am.lbl.gov performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value3.5 s

87/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

wpc-am.lbl.gov

421 ms

SSO;jsessionid=1lrcy5zxsfzuyjsznqsicm1nh

73 ms

main.css

68 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that 33% of them (1 request) were addressed to the original Wpc-am.lbl.gov, 67% (2 requests) were made to Login.lbl.gov. The less responsive or slowest element that took the longest time to load (421 ms) belongs to the original domain Wpc-am.lbl.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.4 kB (73%)

Content Size

6.0 kB

After Optimization

1.6 kB

In fact, the total size of Wpc-am.lbl.gov main page is 6.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 3.2 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 2.4 kB

  • Original 3.2 kB
  • After minification 2.5 kB
  • After compression 840 B

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 646 B, which is 20% 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 2.4 kB or 74% of the original size.

CSS Optimization

-73%

Potential reduce by 2.0 kB

  • Original 2.8 kB
  • After minification 1.8 kB
  • After compression 757 B

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. Wpc-am.lbl.gov needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 73% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wpc Am Lbl. According to our analytics all requests are already optimized.

Accessibility Review

wpc-am.lbl.gov accessibility score

89

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

Best Practices

wpc-am.lbl.gov best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

High

Browser errors were logged to the console

SEO Factors

wpc-am.lbl.gov SEO score

72

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

Image elements do not have [alt] attributes

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wpc-am.lbl.gov can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Wpc-am.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

Open Graph description is not detected on the main page of Wpc Am Lbl. 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: