Skip to content
cccskills

Browse skills

467 skills (repositories by thedaviddias) · sorted by popularity

responsive-units

FreeSummary

Review fixed pixel values in fonts, widths, and spacing, then suggest relative units that adapt to available space and browser font preferences. Check rendered layouts at different screen widths and during interactions before proposing changes.

  • Adapting text to browser font size preferences
  • Replacing fixed widths with flexible layouts
  • Reviewing spacing units within components
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

parameters

FreeSummary

Review URL parameters used for filters, sorting, pagination, and tracking. Check canonical tags, which identify a preferred page URL, and recommend consistent handling of URL variants to address duplicate content and unnecessary search engine crawling.

  • Reviewing filtered and sorted product URLs
  • Removing tracking parameters from canonical URLs
  • Investigating crawlable URL combinations
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

reset-css

FreeSummary

Review stylesheets for a CSS reset or normalization layer that reduces differences in browser defaults. Check import order, framework provisions, and rendered layouts across screen sizes and interaction states, then suggest changes for a consistent styling foundation.

  • Investigating layout differences between browsers
  • Choosing a reset for a new site's styles
  • Checking reset coverage in a CSS framework
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

physical-address

FreeSummary

Audit business addresses on contact pages and footers for completeness and clear HTML markup. Compare visible details with structured data, which describes the business to search engines, and Google Business Profile to identify inconsistencies.

  • Checking address details on a local business website
  • Reviewing address placement on an e-commerce site
  • Comparing visible addresses with structured data
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

retina-display

FreeSummary

Review website images for high-density displays, where standard assets can look blurry. Check higher-resolution versions, HTML and CSS image selection, delivery settings, and loading behavior, then identify specific files or components that need changes.

  • Investigating blurry images on high-density displays
  • Reviewing srcset for fixed-size and responsive images
  • Checking high-resolution CSS background images
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

preconnect

FreeSummary

Review early connections to third-party services such as fonts and APIs. Use loading measurements to identify essential domains, recommend preconnect hints that prepare connections in advance, and remove unnecessary hints that add overhead.

  • Investigating connection delays for external fonts and APIs
  • Reviewing preconnect hints in the page head
  • Removing unnecessary early connections
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

progressive-jpeg

FreeSummary

Review website JPEGs for progressive encoding, which displays a blurry preview before sharpening. Identify images that could use this format, consider file size and loading behavior together, and explain how to confirm the change in browser developer tools.

  • Reviewing how JPEGs appear during loading
  • Checking JPEG fallbacks for WebP or AVIF
  • Reviewing image delivery through a CDN or build process
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

resource-hints

FreeSummary

Audit page loading and choose resource hints, browser instructions for fetching files or preparing connections early. Use measurements to identify delays, then suggest preload, preconnect, prefetch, or dns-prefetch for critical assets, external services, and likely next-page resources.

  • Reviewing early loading of key images and fonts
  • Preparing connections to external services
  • Prefetching resources for likely next pages
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

optimized

FreeSummary

Audit website images for excessive file sizes, unnecessary metadata, and loading issues. Apply format-specific compression and cleanup, then compare file sizes before and after changes to show the resulting reduction in image data.

  • Finding images that slow page loading
  • Comparing file sizes before and after compression
  • Removing unnecessary image metadata
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

Audit XML sitemaps for URLs marked noindex, an instruction to exclude pages from search results, and for unsuccessful responses. Identify conflicting entries and recommend removing either the sitemap entry or the noindex instruction according to the page’s intended visibility.

  • Auditing noindex URLs in an XML sitemap
  • Investigating why pages are excluded from search results
  • Removing pages intended to stay out of search from sitemaps
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

referrer-policy

FreeSummary

Review Referrer-Policy settings to limit sensitive URL details shared when visitors follow external links. Check response headers and pages containing private parameters, suggest suitable policy values, and explain how to verify the resulting browser behavior.

  • Checking privacy settings on password reset pages
  • Reviewing server and CDN response headers
  • Comparing policies for pages with sensitive URLs
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

page-weight

FreeSummary

Measure the total size of a web page and its resources, identify what slows loading, and reduce unnecessary weight. Use a 1500KB limit to guide image optimization, code compression, and removal of unused resources.

  • Investigating slow page loads on mobile networks
  • Checking total page size against a size budget
  • Reducing heavy images and JavaScript files
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

Set and review limits for bundled file size and page performance so CI, automated checks on code changes, can catch regressions. Check enforcement on pull requests and review production monitoring for slowdowns after release.

  • Reviewing performance limits in CI configuration
  • Checking pull requests that add dependencies or assets
  • Setting limits for file size and page performance
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

quality

FreeSummary

Review blog posts, product descriptions, and landing pages for SEO content quality. Check whether they answer readers' search needs, support claims with evidence, show relevant authorship, and offer specific details, then identify areas to rewrite or expand.

  • Reviewing blog posts for SEO content quality
  • Expanding thin product descriptions
  • Checking whether landing pages answer search needs
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

orientation

FreeSummary

Review mobile and tablet pages in portrait and landscape. Identify orientation locks, blocking rotation messages, and hidden controls, then suggest responsive layout changes so essential content and actions remain usable in both orientations.

  • Checking mobile and tablet orientation support
  • Reviewing forms after device rotation
  • Inspecting dashboard and media layouts
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

render-blocking

FreeSummary

Find CSS and JavaScript that delay a page’s first visible content. Confirm the bottleneck with browser tools or performance data, then adjust loading behavior and inline essential styles to help the page start rendering sooner.

  • Investigating a blank screen during page loading
  • Reviewing CSS and JavaScript loading behavior
  • Inlining styles needed for the initial display
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

noscript-tag

FreeSummary

Review pages for situations where JavaScript is disabled or unavailable. Check that important content appears in the initial HTML and that noscript elements offer useful alternatives, then suggest changes to keep core content and navigation accessible.

  • Checking page content with JavaScript disabled
  • Adding alternatives for JavaScript-dependent features
  • Reviewing initial HTML for important content
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

og-url-match

FreeSummary

Audit a page’s social sharing URL against its canonical URL, the preferred page address. Identify differences in domains, paths, or tracking parameters, and align the tags to address split share counts.

  • Investigating unexpectedly low social share counts
  • Checking Open Graph tags before publication
  • Reviewing tracking parameters and URL variations
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

right-to-erasure

FreeSummary

Audit account settings, privacy pages, and API routes for a complete data deletion flow. Check browser storage cleanup, server deletion requests, and user confirmation, then identify missing pieces and guide implementation.

  • Audit account deletion flows
  • Check browser storage cleanup
  • Review server deletion requests
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

pdf-size

FreeSummary

Audit PDFs linked from a website by checking file sizes and response headers, the information returned by the server. Flag large downloads for compression review and suggest HTML versions when the content needs a searchable web page.

  • Auditing report and white paper download links
  • Reviewing large PDFs for compression
  • Considering HTML versions of PDF content
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

Review HTTP response headers and restrict browser features an application does not need, such as camera, microphone, and location access. Guide Permissions-Policy settings that limit what attackers could use if the site is compromised.

  • Review security headers before a release
  • Disable unused camera and microphone features
  • Check feature restrictions for third-party iframes
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

picture-element

FreeSummary

Review picture elements that select images by format or display conditions. Check fallback images, alternative text, dimensions, and source ordering, then provide corrected HTML with JPEG or PNG fallbacks for browsers that cannot use the selected formats.

  • Checking fallback images for AVIF or WebP delivery
  • Reviewing picture element order and attributes
  • Fixing image markup with missing descriptions or dimensions
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

offline-fallback

FreeSummary

Create a custom offline page and configure a service worker, a browser background script, to cache it in advance. Show it when page navigation fails, and review resource dependencies and fallback conditions.

  • Add an offline page to a PWA
  • Guide users during connection loss
  • Review offline page caching
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026

orphan-pages

FreeSummary

Find important pages that receive no links from elsewhere on the site. Compare crawl results with sitemaps and indexed pages, then suggest relevant existing pages where descriptive internal links could help connect the content.

  • Audit internal links across a site
  • Investigate pages with low organic search traffic
  • Find relevant pages to link to isolated content
thedaviddias/Front-End-Checklist74.5KUpdated Oct 6, 2026