What is mixed content and how do I fix it?
Mixed content happens when an HTTPS page loads images, scripts or styles over HTTP. See why browsers block it and how to find and fix every case.
Guides
Practical, step-by-step website launch and SEO health guides.
Categories: All (247)
Showing 193 to 216 of 247 guides (page 9 of 11)
What is MTA-STS?
Learn what MTA-STS is, how a DNS record and a policy file make other mail servers use encrypted TLS when sending to you, and how to roll it out safely.
What is Organization schema?
Organization schema tells search engines your business name, website, logo and official profiles. See the key properties, an example and where to put it.
What is reverse DNS (PTR) and why does email need it?
Learn what a reverse DNS PTR record is, why mail servers check it on the sending IP, and how to test and request one for your own mail server.
What is robots.txt?
robots.txt is a small text file that tells crawlers which parts of a site they may visit. See what goes in it, a working example and common pitfalls.
What is the best JSON-LD testing tool?
Compare Google's Rich Results Test with the Schema Markup Validator, see which to run first, and learn how to read errors and warnings in your JSON-LD.
What is the sitemap size limit?
A sitemap file may hold 50,000 URLs and 50 MB uncompressed. See how to count yours and what to do when a site grows past either limit.
What is the sp= tag in DMARC?
Learn how the DMARC sp= tag sets a separate policy for subdomains, when it is inherited from p=, and how to protect domains that never send mail.
What is the viewport meta tag?
The viewport meta tag tells phones how wide to make your page. See the standard tag, what each part means and why you should not block pinch zoom.
What is TLS-RPT?
Understand TLS-RPT, the DNS record that asks other mail servers to report TLS delivery failures to you, and how it works alongside MTA-STS.
What is TTFB and what is a good value?
Time to First Byte is how long a browser waits for the first piece of a response. See the 0.8 second target, what slows it down and how to measure it.
What replaced FID in Core Web Vitals?
Interaction to Next Paint took over from First Input Delay in March 2024. See what changed, why Google switched and what to measure on your site now.
Where is my sitemap.xml?
Find the address of your sitemap.xml with five quick checks: the default path, robots.txt, Search Console, common plugin names and your CMS settings.
Why are my images not loading (broken images)?
Find out why website images show as broken: wrong paths, deleted files, blocked requests and mixed content. Follow a quick check to find and fix the cause.
Why do my website emails go to spam?
The usual reasons contact form and order emails land in spam, from missing SPF, DKIM and DMARC to blocklisted IPs, and how to test and fix each one.
Why is my LCP slow?
Slow Largest Contentful Paint usually comes from one of four delays. Find which part of your load is the longest and fix that part first.
WWW or no WWW for my website?
Not sure whether your website address should start with www? Use this short checklist to choose, set the redirect and keep one consistent address.
WWW vs non-WWW: which is better?
Compare www and non-www addresses for search, DNS, cookies and CDNs, then learn how to pick one version and redirect the other without splitting your site.
Search Engines · 8 min read
Bing Webmaster Tools Reports: Search Performance, Site Scan and More
Learn what each Bing Webmaster Tools report shows, from Search Performance and URL Inspection to Site Scan and AI Performance, and how to act on the findings.
Search Engines · 7 min read
Domain Property vs URL Prefix in Search Console: Which to Choose
Compare Search Console domain and URL-prefix properties, see which URLs each covers, and set up the right mix with the correct verification method.
Search Engines · 8 min read
GA4 Search Console Integration: Link Data Without Double Counting
Connect a Google Analytics 4 web data stream to Search Console, publish the two search reports and read clicks and sessions side by side without adding them.
Search Engines · 8 min read
Google Manual Action in Search Console: Meaning and How to Respond
Check the Manual actions report, understand what Google's reviewers flagged, fix every affected page and write a reconsideration request that gets reviewed.
Search Engines · 8 min read
Page Indexing Report Explained: Every Status and What to Do
Read the Search Console page indexing report: what each Not indexed reason means, which ones need a fix, and how to validate your changes.
Search Engines · 9 min read
Read the Search Console Performance Report: Clicks, CTR and Position
Learn what clicks, impressions, CTR and average position really count in the Search Console performance report, and how to filter, export and compare the data.