Accessibility
If a page uses the Application Cache, SeoChecker will notify it.
<html manifest="example.appcache"> ... </html>
Therefore you should delete this manifest and substitute it with the Cache API through a service worker.
For the migration you could use sw-appcache-behavior library.
Learn more about Accessibility
On page SEO performance and page checkup.
Over 300 parameters for the deeper page analysis.
Share this Guide
Did you like it? Share it!
Web tools for modern developers. Try these one!
Over 50 generators, builders and validators to improve your SEO and web performances
Converters
Convert instantly color codes from RGB (red, green, blue) to HEX triplets color schema and vice versa. Insert color and try it for free.
Analytics Google Tracking script
Build your Google Campaign Url for better tracking. Add UTM parameters and track Custom Campaigns in Analytics account.
Google
Track your site’s position in Google search results for specific keywords, country and languages. Find out your position for specific keywords.
Server and proxy Tester and validators
Perform your site audit and find out what pages missing https/ssl certificate.
Compressor
CSS minifier tool. Optimize and compress your CSS code, make your website faster and reduce network payload sizes.
Builders and generators Google
Choose a map theme or build your custom Google map. Customize maps with your own creativity, settings, styles and colors.
Tester and validators
Test your Web Vitals metrics, score and diagnostic. Measures Google Core Web Vitals LCP, FID, CLS, TTFB, FCP, TTI, TBT and more.
Builders and generators Social
Generate Twitter cards markup and improve yours html meta. Attach rich photos, videos and media experiences to Tweets and drive traffic to your site.