checks title of webpage in google serps to see if it is the same as in the webpage url

gistfile1.txt

javascript:(function(){const s=document.createElement('style');s.textContent=`.tc{margin-top:8px;font-size:14px}.tm{color:#0f5132;background:#d1e7dd;padding:2px%206px;border-radius:3px}.tmm{color:#842029;background:#f8d7da;padding:2px%206px;border-radius:3px}.te{color:#664d03;background:#fff3cd;padding:2px%206px;border-radius:3px}`;document.head.appendChild(s);const%20p=['https://corsproxy.io/?','https://api.allorigins.win/raw?url='];let%20c=0;const%20g=()=>Array.from(document.querySelectorAll('div.g:not(.kno-kp%20.g)%20div[data-snf]%20a:has(h3)')).map((l,i)=>({p:i+1,e:l.closest('div.g'),t:l.querySelector('h3').textContent,u:l.href}));const%20f=async%20u=>{const%20x=p[Math.floor(Math.random()*p.length)]+encodeURIComponent(u);const%20r=await%20fetch(x);const%20h=await%20r.text();const%20d=(new%20DOMParser).parseFromString(h,'text/html');return%20d.title.trim()};const%20d=(e,g,a,r=false)=>{const%20v=document.createElement('div');v.className='tc';if(r)v.innerHTML='<span%20class="te">Error%20fetching%20page%20title</span>';else%20if(g===a)v.innerHTML=`<span%20class="tm">%E2%9C%93%20Titles%20match:%20"${g}"</span>`;else{c++;v.innerHTML=`<span%20class="tmm">Google:%20"${g}"<br>Page:%20"${a}"</span>`}e.appendChild(v)};(async()=>{const%20r=g();for(const%20t%20of%20r){try{const%20a=await%20f(t.u);d(t.e,t.t,a)}catch{d(t.e,t.t,'',true)}await%20new%20Promise(r=>setTimeout(r,300))}const%20s=document.getElementById('result-stats');if(s)s.textContent+=`%20-%20${c}%20title${c!==1?'s':''}%20different%20from%20search%20results`})()})();

seo-metadata-checker.js

javascript:(function(){const s=document.createElement('style');s.textContent=`.tc{margin:8px 0;font-size:14px;line-height:1.4}.tm{color:#0f5132;background:#d1e7dd;padding:2px 6px;border-radius:3px;display:block;margin:2px 0}.tmm{color:#842029;background:#f8d7da;padding:2px 6px;border-radius:3px;display:block;margin:2px 0}.te{color:#664d03;background:#fff3cd;padding:2px 6px;border-radius:3px;display:block}.label{font-weight:bold;font-size:12px;color:#666;display:block;margin-top:4px}`;document.head.appendChild(s);const p=['https://corsproxy.io/?','https://api.allorigins.win/raw?url='];let titleChanges=0;let descChanges=0;const getResults=()=>Array.from(document.querySelectorAll('div.g:not(.kno-kp .g) div[data-snf] a:has(h3)')).map((l,i)=>({pos:i+1,element:l.closest('div.g'),title:l.querySelector('h3').textContent,description:l.closest('div.g').querySelector('.VwiC3b')?.textContent||'',url:l.href}));const fetchMetadata=async u=>{const x=p[Math.floor(Math.random()*p.length)]+encodeURIComponent(u);const r=await fetch(x);const h=await r.text();const d=(new DOMParser).parseFromString(h,'text/html');return{title:d.title.trim(),description:d.querySelector('meta[name="description"]')?.content?.trim()||'No meta description found'};};const displayComparison=(e,gTitle,gDesc,aTitle,aDesc,error=false)=>{const v=document.createElement('div');v.className='tc';if(error){v.innerHTML='<span class="te">Error fetching page metadata</span>';}else{let html='';html+=`<span class="label">Title:</span>`;if(gTitle===aTitle){html+=`<span class="tm">✓ Matches: "${gTitle}"</span>`;}else{titleChanges++;html+=`<span class="tmm">Google: "${gTitle}"<br>Page: "${aTitle}"</span>`;}html+=`<span class="label">Description:</span>`;if(gDesc===aDesc){html+=`<span class="tm">✓ Matches: "${gDesc}"</span>`;}else{descChanges++;html+=`<span class="tmm">Google: "${gDesc}"<br>Page: "${aDesc}"</span>`;}v.innerHTML=html;}e.appendChild(v);};(async()=>{const r=getResults();console.log(`Checking ${r.length} results...`);for(const t of r){try{const meta=await fetchMetadata(t.url);displayComparison(t.element,t.title,t.description,meta.title,meta.description);}catch{displayComparison(t.element,t.title,t.description,'','',true);}await new Promise(r=>setTimeout(r,300));}const s=document.getElementById('result-stats');if(s)s.textContent+=` - ${titleChanges} title(s) and ${descChanges} description(s) different from search results`;})()})();

see https://gist.github.com/fedegomez/7b4601e2cc9491e004189e9a23dd35b1 for details on how to use

The seo metadata checker does both metadescription and title.
I used claude.ai to make it. And got he idea from this original post: https://gist.github.com/fedegomez/7b4601e2cc9491e004189e9a23dd35b1