sfpl.org website information.
sfpl.org domain name is registered by .ORG top-level domain registry. See the other sites registred in .ORG domain zone.
Following name servers are specified for sfpl.org domain:
- ns2.pbi.net
- ns1.pbi.net
and probably website sfpl.org is hosted by EBAY - eBay, Inc, US web hosting company. Check the complete list of other most popular websites hosted by EBAY - eBay, Inc, US hosting company.
According to Alexa traffic rank the highest website sfpl.org position was 37729 (in the world). The lowest Alexa rank position was 41288. Now website sfpl.org ranked in Alexa database as number 39017 (in the world).
Website sfpl.org Desktop speed measurement score (69/100) is better than the results of 49.24% of other sites shows that the page desktop performance can be improved.
sfpl.org Mobile usability score (100/100) is better than the results of 100% of other sites and means that the page is mobile-friendly.
Mobile speed measurement score of sfpl.org (56/100) is better than the results of 45.93% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
Weekly Rank Report
| Date | Rank | Change |
|---|---|---|
| Apr-23-2024 | 39,017 | 513 |
| Apr-22-2024 | 39,530 | -296 |
| Apr-21-2024 | 39,234 | -355 |
| Apr-20-2024 | 38,879 | 0 |
| Apr-19-2024 | 38,879 | 535 |
| Apr-18-2024 | 39,414 | -330 |
| Apr-17-2024 | 39,084 | 476 |
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sfpl.org Rank History
Alexa can identify the popularity of a website as well as its competitors. It is important for website owners and bloggers to know their Alexa ranking because it shows how many visitors have viewed their web page. It gives them a clear idea of how popular their website is on the internet and the ranking of their competitors.
sfpl.org whois
WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.
Domain Name: SFPL.ORG
Registry Domain ID: D32215221-LROR
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://www.networksolutions.com
Updated Date: 2021-04-19T10:02:47Z
Creation Date: 2000-08-01T21:28:59Z
Registry Expiry Date: 2022-08-01T21:28:59Z
Registrar Registration Expiration Date:
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: abuse@web.com
Registrar Abuse Contact Phone: +1.8003337680
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization: San Francisco Public Library
Registrant State/Province: CA
Registrant Country: US
Name Server: NS2.PBI.NET
Name Server: NS1.PBI.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2021-04-27T00:47:20Z
sfpl.org server information
sfpl.org desktop page speed rank
Last tested: 2017-06-03
sfpl.org Desktop Speed Test Quick Summary
priority - 15 Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://sfpl.org/images/bgs/dialog.png (expiration not specified)
https://sfpl.org/images/bgs/page_white.gif (expiration not specified)
https://sfpl.org/images/bgs/sfpl_historical_photo.jpg (expiration not specified)
https://sfpl.org/images/bgs/survey.png (expiration not specified)
https://sfpl.org/images/bullet.gif (expiration not specified)
https://sfpl.org/images/city_seal.gif (expiration not specified)
https://sfpl.org/images/facebook_icon.gif (expiration not specified)
https://sfpl.org/images/features/friends.jpg (expiration not specified)
https://sfpl.org/images/features/pride.jpg (expiration not specified)
https://sfpl.org/images/features/summerstride.jpg (expiration not specified)
https://sfpl.org/images/features/youtube.jpg (expiration not specified)
https://sfpl.org/images/graphics/search.png (expiration not specified)
https://sfpl.org/images/graphics/social-media/instagram.15x15.png (expiration not specified)
https://sfpl.org/images/graphics/social-media/pinterest.15x15.png (expiration not specified)
https://sfpl.org/images/graphics/twitter.png (expiration not specified)
https://sfpl.org/images/icons/wifi-blue-20x20.png (expiration not specified)
https://sfpl.org/images/system/locations/thumbs/1.jpg (expiration not specified)
https://sfpl.org/images/system/spotlights/2601.jpg (expiration not specified)
https://sfpl.org/js/lib/jquery-1.10.2.min.js (expiration not specified)
https://sfpl.org/scripts/jquery/jquery.placeholder.min.js (expiration not specified)
https://sfpl.org/scripts/map.js (expiration not specified)
https://sfpl.org/scripts/require.js (expiration not specified)
https://sfpl.org/scripts/urlParams.js (expiration not specified)
https://sfpl.org/styles/basic.css (expiration not specified)
https://sfpl.org/styles/home.css (expiration not specified)
https://sfpl.org/styles/mediumtext.css (expiration not specified)
https://sfpl.org/styles/print.css (expiration not specified)
https://static.hotjar.com/c/hotjar-387883.js?sv=5 (60 seconds)
https://www.google-analytics.com/analytics.js (2 hours)
priority - 13 Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 130.9KiB (68% reduction).
Compressing https://sfpl.org/styles/basic.css could save 26.5KiB (78% reduction).
Compressing https://sfpl.org/scripts/map.js could save 16.9KiB (76% reduction).
Compressing https://sfpl.org/styles/print.css could save 13.2KiB (74% reduction).
Compressing https://sfpl.org/scripts/require.js could save 8.4KiB (58% reduction).
Compressing https://sfpl.org/scripts/home.js?t=2 could save 2.9KiB (65% reduction).
Compressing https://sfpl.org/styles/home.css could save 2.2KiB (66% reduction).
Compressing https://sfpl.org/scripts/jquery/jquery.placeholder.min.js could save 1.5KiB (57% reduction).
Compressing https://sfpl.org/xml/library.htm.php?id=0100000101&lang=1 could save 532B (52% reduction).
priority - 8 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
https://sfpl.org/scripts/map.js
Optimize CSS Delivery of the following:
https://sfpl.org/styles/basic.css.php?lang=1
https://sfpl.org/styles/mediumtext.css
https://sfpl.org/styles/home.css
priority - 7 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 67KiB (68% reduction).
Compressing https://sfpl.org/images/bgs/sfpl_historical_photo.jpg could save 22.6KiB (82% reduction).
Compressing https://sfpl.org/images/system/spotlights/2601.jpg could save 10.1KiB (42% reduction).
Compressing https://sfpl.org/images/features/youtube.jpg could save 1.9KiB (72% reduction).
Compressing https://sfpl.org/images/features/summerstride.jpg could save 1.7KiB (73% reduction).
Compressing https://sfpl.org/images/features/friends.jpg could save 1.5KiB (66% reduction).
priority - 1 Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 13.2KiB (32% reduction).
Minifying https://sfpl.bibliocommons.com/javascripts/sdk.js?version=1 could save 2.7KiB (18% reduction) after compression.
Minifying https://sfpl.org/scripts/home.js?t=2 could save 1.4KiB (32% reduction).
priority - 1 Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 8.1KiB (23% reduction).
Minifying https://sfpl.org/styles/home.css could save 513B (16% reduction).
sfpl.org Desktop Resources
| Total Resources | 41 |
| Number of Hosts | 7 |
| Static Resources | 32 |
| JavaScript Resources | 11 |
| CSS Resources | 5 |
sfpl.org Desktop Resource Breakdown
sfpl.org mobile page speed rank
Last tested: 2018-02-06
sfpl.org Mobile Speed Test Quick Summary
priority - 32 Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
https://sfpl.org/scripts/map.js
https://sfpl.org/scripts/map.js.php
Optimize CSS Delivery of the following:
https://sfpl.org/styles/mobile.css
priority - 19 Avoid landing page redirects
Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
https://sfpl.org/
http://sfpl.org/mobile.xhtml.php?
https://sfpl.org/mobile.xhtml.php?
priority - 17 Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 169.9KiB (72% reduction).
Compressing https://sfpl.org/js/lib/jquery-1.10.2.min.js could save 58.9KiB (64% reduction).
Compressing https://sfpl.org/scripts/map.js could save 16.9KiB (76% reduction).
Compressing https://sfpl.org/scripts/require.js could save 8.4KiB (58% reduction).
Compressing https://sfpl.org/styles/mobile.css could save 1.7KiB (64% reduction).
Compressing https://sfpl.org/mobile.xhtml.php? could save 1.7KiB (58% reduction).
Compressing https://sfpl.org/scripts/jquery/jquery.placeholder.min.js could save 1.5KiB (57% reduction).
priority - 13 Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://sfpl.org/images/mobile/articles.jpg (expiration not specified)
https://sfpl.org/images/mobile/ask.jpg (expiration not specified)
https://sfpl.org/images/mobile/catalog.gif (expiration not specified)
https://sfpl.org/images/mobile/event.gif (expiration not specified)
https://sfpl.org/images/mobile/faq.jpg (expiration not specified)
https://sfpl.org/images/mobile/full-site.jpg (expiration not specified)
https://sfpl.org/images/mobile/globe.jpg (expiration not specified)
https://sfpl.org/images/mobile/header.jpg (expiration not specified)
https://sfpl.org/images/mobile/mobile-app.png (expiration not specified)
https://sfpl.org/js/lib/jquery-1.10.2.min.js (expiration not specified)
https://sfpl.org/scripts/jquery/jquery.placeholder.min.js (expiration not specified)
https://sfpl.org/scripts/map.js (expiration not specified)
https://sfpl.org/scripts/map.js.php (expiration not specified)
https://sfpl.org/scripts/require.js (expiration not specified)
https://sfpl.org/styles/mobile.css (expiration not specified)
https://static.hotjar.com/c/hotjar-387883.js?sv=5 (60 seconds)
https://www.google-analytics.com/analytics.js (2 hours)
priority - 2 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 19.9KiB (66% reduction).
Compressing https://sfpl.org/images/mobile/globe.jpg could save 4.6KiB (85% reduction).
Compressing https://sfpl.org/images/mobile/ask.jpg could save 3.7KiB (83% reduction).
Compressing https://sfpl.org/images/mobile/mobile-app.png could save 3.3KiB (65% reduction).
Compressing https://sfpl.org/images/mobile/full-site.jpg could save 742B (47% reduction).
Compressing https://sfpl.org/images/mobile/articles.jpg could save 406B (32% reduction).
Compressing https://sfpl.org/images/mobile/event.gif could save 188B (25% reduction).
priority - 1 Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 9KiB (41% reduction).
priority - 0 Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 476B (18% reduction).
sfpl.org Mobile Resources
| Total Resources | 25 |
| Number of Hosts | 5 |
| Static Resources | 19 |
| JavaScript Resources | 8 |
| CSS Resources | 2 |
sfpl.org Mobile Resource Breakdown
sfpl.org mobile page usability
Last tested: 2018-02-06
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sfpl.org Ping
Ping is a networking utility tool to test if a particular host is reachable. It is a diagnostic that checks reachability of a host on an Internet Protocol (IP) network. In a computer network, a ping test is a way of sending messages from one host to another. Aside from checking if the host is connected to a network, ping also gives indicators of the reliability and general speed of the connection.
sfpl.org TRACEROUTE
Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination. Traceroute also records the time taken for each hop the packet makes during its route to the destination. Traceroute uses ICMP (Internet Control Message Protocol) echo packets with variable time to live values. The response time of each hop is calculated. To guarantee accuracy, each hop is queried multiple times (usually three times) to better measure the response of that particular hop.