Folbookshelf.org Site Title

Friends of the Los Altos Library Bookshelf – Friends of Los Altos Library Bookshelf

Folbookshelf.org Test Results

Folbookshelf.org Mobile Performance: 81/100
Quick overview:
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Eliminate render-blocking resources. Potential savings of 1,760 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn more.
Remove unused JavaScript. Potential savings of 27 KiB
Remove unused JavaScript to reduce bytes consumed by network activity. Learn more.
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Ensure text remains visible during webfont load
Leverage the font-display CSS feature to ensure text is user-visible while webfonts are loading. Learn more.
Minimizes main-thread work
1.7 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn more
User Timing marks and measures
2 user timings
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences. Learn more.
Largest Contentful Paint element
1 element found
This is the largest contentful element painted within the viewport. Learn More
Avoid chaining critical requests
6 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load. Learn more.
Avoid long main-thread tasks
5 long tasks found
Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay. Learn more
Keep request counts low and transfer sizes small
25 requests • 329 KiB
To set budgets for the quantity and size of page resources, add a budget.json file. Learn more.

Folbookshelf.org Mobile SEO: 92/100
Quick overview:
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Document does not have a meta description
Meta descriptions may be included in search results to concisely summarize page content. Learn more.
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.
Tap targets are not sized appropriately
93% appropriately sized tap targets
Interactive elements like buttons and links should be large enough (48x48px), and have enough space around them, to be easy enough to tap without overlapping onto other elements. Learn more.

Folbookshelf.org Mobile Best Practices: 71/100
Quick overview:
Trust and Safety
Includes front-end JavaScript libraries with known security vulnerabilities
9 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers. Learn more.
Links to cross-origin destinations are unsafe
Add `rel="noopener"` or `rel="noreferrer"` to any external links to improve performance and prevent security vulnerabilities. Learn more.
Does not use HTTPS
1 insecure request found
All sites should be protected with HTTPS, even ones that don't handle sensitive data. This includes avoiding mixed content, where some resources are loaded over HTTP despite the initial request being servedover HTTPS. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs. Learn more.
General
Browser errors were logged to the console
Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more
Folbookshelf.org Mobile Progressive Web App: 46/100
Quick overview:
PWA Optimized
Manifest doesn't have a maskable icon
A maskable icon ensures that the image fills the entire shape without being letterboxed when installing the app on a device. Learn more. No manifest was fetched
Does not provide a valid `apple-touch-icon`
For ideal appearance on iOS when users add a progressive web app to the home screen, define an `apple-touch-icon`. It must point to a non-transparent 192px (or 180px) square PNG. Learn More.
Does not set a theme color for the address bar.
The browser address bar can be themed to match your site. Learn more. Failures: No manifest was fetched, The theme-color meta tag did not contain a valid CSS color.
Is not configured for a custom splash screen
A themed splash screen ensures a high-quality experience when users launch your app from their homescreens. Learn more. Failures: No manifest was fetched.
Installable
Web app manifest does not meet the installability requirements
Browsers can proactively prompt users to add your app to their homescreen, which can lead to higher engagement. Learn more. Failures: No manifest was fetched.
Does not register a service worker that controls page and `start_url`
The service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. Learn more.
Does not use HTTPS
1 insecure request found
All sites should be protected with HTTPS, even ones that don't handle sensitive data. This includes avoiding mixed content, where some resources are loaded over HTTP despite the initial request being servedover HTTPS. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs. Learn more.
Fast and reliable
`start_url` does not respond with a 200 when offline
A service worker enables your web app to be reliable in unpredictable network conditions. Learn more. No usable web app manifest found on page.
Current page does not respond with a 200 when offline
If you're building a Progressive Web App, consider using a service worker so that your app can work offline. Learn more.
Folbookshelf.org Mobile Accessibility: 91/100
Quick overview:
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.
`[role]`s are not contained by their required parent element
Some ARIA child roles must be contained by specific parent roles to properly perform their intended accessibility functions. Learn more.
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.
Links do not have a discernible name
Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn more.
Similar tests
www.folbookshelf.com
www.folbookshelf.net
www.folbookshelf.org
www.folbookshelf.info
www.folbookshelf.biz
www.folbookshelf.us
www.folbookshelf.mobi
www.olbookshelf.org
www.folbookshelf.org
www.colbookshelf.org
www.fcolbookshelf.org
www.cfolbookshelf.org
www.dolbookshelf.org
www.fdolbookshelf.org
www.dfolbookshelf.org
www.rolbookshelf.org
www.frolbookshelf.org
www.rfolbookshelf.org
www.tolbookshelf.org
www.ftolbookshelf.org
www.tfolbookshelf.org
www.golbookshelf.org
www.fgolbookshelf.org
www.gfolbookshelf.org
www.volbookshelf.org
www.fvolbookshelf.org
www.vfolbookshelf.org
www.flbookshelf.org
www.filbookshelf.org
www.foilbookshelf.org
www.fiolbookshelf.org
www.fklbookshelf.org
www.foklbookshelf.org
www.fkolbookshelf.org
www.fllbookshelf.org
www.follbookshelf.org
www.flolbookshelf.org
www.fplbookshelf.org
www.foplbookshelf.org
www.fpolbookshelf.org
www.fobookshelf.org
www.fopbookshelf.org
www.folpbookshelf.org
www.foobookshelf.org
www.folobookshelf.org
www.foolbookshelf.org
www.fokbookshelf.org
www.folkbookshelf.org
www.folookshelf.org
www.folvookshelf.org
www.folbvookshelf.org
www.folvbookshelf.org
www.folgookshelf.org
www.folbgookshelf.org
www.folgbookshelf.org
www.folhookshelf.org
www.folbhookshelf.org
www.folhbookshelf.org
www.folnookshelf.org
www.folbnookshelf.org
www.folnbookshelf.org
www.folbokshelf.org
www.folbiokshelf.org
www.folboiokshelf.org
www.folbiookshelf.org
www.folbkokshelf.org
www.folbokokshelf.org
www.folbkookshelf.org
www.folblokshelf.org
www.folbolokshelf.org
www.folblookshelf.org
www.folbpokshelf.org
www.folbopokshelf.org
www.folbpookshelf.org
www.folboikshelf.org
www.folbooikshelf.org
www.folbokkshelf.org
www.folbookkshelf.org
www.folbolkshelf.org
www.folboolkshelf.org
www.folbopkshelf.org
www.folboopkshelf.org
www.folbooshelf.org
www.folboojshelf.org
www.folbookjshelf.org
www.folboojkshelf.org
www.folbooishelf.org
www.folbookishelf.org
www.folboomshelf.org
www.folbookmshelf.org
www.folboomkshelf.org
www.folboolshelf.org
www.folbooklshelf.org
www.folboooshelf.org
www.folbookoshelf.org
www.folboookshelf.org
www.folbookhelf.org
www.folbookwhelf.org
www.folbookswhelf.org
www.folbookwshelf.org
www.folbookehelf.org
www.folbooksehelf.org
www.folbookeshelf.org
www.folbookdhelf.org
www.folbooksdhelf.org
www.folbookdshelf.org
www.folbookzhelf.org
www.folbookszhelf.org
www.folbookzshelf.org
www.folbookxhelf.org
www.folbooksxhelf.org
www.folbookxshelf.org
www.folbookahelf.org
www.folbooksahelf.org
www.folbookashelf.org
www.folbookself.org
www.folbooksbelf.org
www.folbookshbelf.org
www.folbooksbhelf.org
www.folbooksgelf.org
www.folbookshgelf.org
www.folbooksghelf.org
www.folbooksyelf.org
www.folbookshyelf.org
www.folbooksyhelf.org
www.folbooksuelf.org
www.folbookshuelf.org
www.folbooksuhelf.org
www.folbooksjelf.org
www.folbookshjelf.org
www.folbooksjhelf.org
www.folbooksnelf.org
www.folbookshnelf.org
www.folbooksnhelf.org
www.folbookshlf.org
www.folbookshwlf.org
www.folbookshewlf.org
www.folbookshwelf.org
www.folbookshslf.org
www.folbooksheslf.org
www.folbookshself.org
www.folbookshdlf.org
www.folbookshedlf.org
www.folbookshdelf.org
www.folbookshrlf.org
www.folbooksherlf.org
www.folbookshrelf.org
www.folbookshef.org
www.folbookshepf.org
www.folbookshelpf.org
www.folbooksheplf.org
www.folbooksheof.org
www.folbookshelof.org
www.folbooksheolf.org
www.folbookshekf.org
www.folbookshelkf.org
www.folbooksheklf.org
www.folbookshel.org
www.folbookshelc.org
www.folbookshelfc.org
www.folbookshelcf.org
www.folbooksheld.org
www.folbookshelfd.org
www.folbooksheldf.org
www.folbookshelr.org
www.folbookshelfr.org
www.folbookshelrf.org
www.folbookshelt.org
www.folbookshelft.org
www.folbooksheltf.org
www.folbookshelg.org
www.folbookshelfg.org
www.folbookshelgf.org
www.folbookshelv.org
www.folbookshelfv.org
www.folbookshelvf.org
Last Tested:

This website uses cookies to ensure you get the best experience on our website. Learn more. Got it.