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warehouse.sfenvironment.org screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

warehouse.sfenvironment.org

City & County of San Francisco Virtual Warehouse-httpsB

Page Load Speed

3.2 sec in total

First Response

631 ms

Resources Loaded

1.8 sec

Page Rendered

770 ms

warehouse.sfenvironment.org screenshot

About Website

Click here to check amazing Warehouse Sfenvironment content for United States. Otherwise, check out these important facts you probably never knew about warehouse.sfenvironment.org

The City & County of San Francisco's Virtual Warehouse is an online materials exchange system for surplus items - office furniture, computers, equipment, and supplies - among San Francisco City Depart...

Visit warehouse.sfenvironment.org

Key Findings

We analyzed Warehouse.sfenvironment.org page load time and found that the first response time was 631 ms and then it took 2.6 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

warehouse.sfenvironment.org performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

91/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value6,850 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

warehouse.sfenvironment.org

631 ms

standard-css-homemade-ltr-ltr.css

10 ms

overlay.css

171 ms

allthemes-view.css

116 ms

jot_min_view__en.js

101 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 50% of them (6 requests) were addressed to the original Warehouse.sfenvironment.org, 42% (5 requests) were made to Gstatic.com and 8% (1 request) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (728 ms) belongs to the original domain Warehouse.sfenvironment.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.2 kB (13%)

Content Size

136.7 kB

After Optimization

119.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Warehouse.sfenvironment.org main page is 136.7 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. 45% of websites need less resources to load. Javascripts take 58.1 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 16.8 kB

  • Original 23.8 kB
  • After minification 23.7 kB
  • After compression 7.0 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 16.8 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 26.6 kB
  • After minification 26.6 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. Warehouse Sfenvironment images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 348 B

  • Original 58.1 kB
  • After minification 58.1 kB
  • After compression 57.8 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

-0%

Potential reduce by 37 B

  • Original 28.2 kB
  • After minification 28.2 kB
  • After compression 28.2 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. Warehouse.sfenvironment.org has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Warehouse Sfenvironment. According to our analytics all requests are already optimized.

Network Requests Diagram

warehouse.sfenvironment.org

warehouse.sfenvironment.org

631 ms

standard-css-homemade-ltr-ltr.css

standard-css-homemade-ltr-ltr.css

10 ms

overlay.css

overlay.css

171 ms

allthemes-view.css

allthemes-view.css

116 ms

jot_min_view__en.js

jot_min_view__en.js

101 ms

cleardot.gif

cleardot.gif

393 ms

1ef4d9a967524c73.gif

1ef4d9a967524c73.gif

728 ms

cleardot.gif

cleardot.gif

727 ms

collage3.jpg

collage3.jpg

719 ms

tree_ltr.gif

tree_ltr.gif

250 ms

lazy.min.js

lazy.min.js

206 ms

platform.js

platform.js

155 ms

Accessibility Review

warehouse.sfenvironment.org accessibility score

84

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

High

Links do not have a discernible name

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

warehouse.sfenvironment.org best practices score

67

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

warehouse.sfenvironment.org SEO score

69

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

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 Warehouse.sfenvironment.org 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 Warehouse.sfenvironment.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

warehouse.sfenvironment.org

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