Speed performance
Hidden or offscreen images have a size that can result in a potential saving in terms of KiB (kibibytes): SeoChecker is able to display to you in a table like the one below the hidden or offscreen images of the analyzed web page along with the size and the potential saving.
Therefore, it is strongly recommended to delay their loading, at least until the Time to Interactive loading is completed.
Learn more about Speed performance
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.
Content
Explore and compare keywords. Find out what customers are looking for. Select country, date, category, search type and compare keywords.
Server and proxy
IP Address and Domain Name Geolocation Lookup Tool. IPv4, IPv6 and domain name Geolocation. Accurate IP and Domain name lookup database.
Builders and generators
Create your personalized Barcode in over 70 formats. Choose your data, formats and colors and get your personalized Barcode.
Retrieve your Public IP Address and geolocation. Get your IP address, ISP-Organization information and geolocation data for free.
Google
Find out how Google calculates your overall Performance score. Drag the cursors to understand what thresholds you must be aiming for achieving a good performance
Generate icons for web, Android, iOs, Microsoft and Apps. Show a graphical representation of your site within browser’s address bar.
Images
Quicly capture any web page screenshot and thumbnails. Get image rendering on desktop and mobile and thumbnails filmstrip with loading timing.