Index · Cert expiry · Fastest sites · Free tools · API

Site Health Index

461 popular sites across 26 verticals, ranked by security-header score. Live data, auto-built 2026-11-01.

Average score: 50.0/100 · A: 33 · B: 92 · C: 152 · D: 59 · F: 125
Expiring soonest: stanford.edu (5 d) · facebook.com (7 d) · instagram.com (7 d) · threads.net (7 d) · whatsapp.com (7 d)
Fastest responders: bandcamp.com (13.0 ms) · dart.dev (18.5 ms) · medium.com (21.9 ms) · pypi.org (22.1 ms) · forbes.com (22.6 ms)

Browse by vertical

ai
30 sites · avg 52.3/100
saas
29 sites · avg 52.4/100
cloud
27 sites · avg 52.4/100
news
24 sites · avg 54.0/100
ecommerce
24 sites · avg 33.3/100
security
22 sites · avg 66.0/100
frameworks
20 sites · avg 30.9/100
infra
20 sites · avg 40.8/100
education
20 sites · avg 58.3/100
social
19 sites · avg 64.7/100
languages
18 sites · avg 26.8/100
media
18 sites · avg 45.4/100
payments
18 sites · avg 62.9/100
database
17 sites · avg 47.0/100
exchange
17 sites · avg 55.8/100
misc
17 sites · avg 40.2/100
fintech
16 sites · avg 56.3/100
travel
16 sites · avg 37.7/100
community
14 sites · avg 58.3/100
gov
13 sites · avg 56.3/100
dev
11 sites · avg 57.5/100
registries
11 sites · avg 69.6/100
productivity
10 sites · avg 40.1/100
search
10 sites · avg 61.7/100
food
10 sites · avg 45.0/100
health
10 sites · avg 36.8/100

Full ranking

#SiteVerticalHeadersScoreCert daysAvailms
1replit.comdevA10038100%40.8
2codepen.iodevA10038100%35.2
3npmjs.comregistriesA10039100%73.7
4pypi.orgregistriesA10089100%22.1
5anaconda.orgregistriesA10078100%52.2
6cloudflare.comcloudA10033100%181.2
7heroku.comcloudA10035100%72.1
8upcloud.comcloudA10042100%57.3
9perplexity.aiaiA10089100%96.5
10mistral.aiaiA10067100%129.8
11openrouter.aiaiA10087100%74.5
12producthunt.comcommunityA10080100%97.2
13snapchat.comsocialA100161100%144.9
14crunchyroll.commediaA10038100%57.1
15theguardian.comnewsA100124100%501.1
16techcrunch.comnewsA10040100%82.5
17politico.comnewsA100124100%300.6
18gizmodo.comnewsA10043100%266.6
19duckduckgo.comsearchA10018100%132.6
20coinbase.comexchangeA10048100%151.1
21kraken.comexchangeA10086100%106.8
22coinmarketcap.comexchangeA10072100%40.8
23doordash.comfoodA10089100%54.8
24stanford.edueducationA1005100%162.5
25ox.ac.ukeducationA10064100%567.1
26cam.ac.ukeducationA10053100%103.1
27gov.ukgovA10057100%92.5
28bitwarden.comsecurityA10034100%30.0
29dashlane.comsecurityA10079100%218.7
30sophos.comsecurityA10016100%2701.1
31haveibeenpwned.comsecurityA10088100%42.1
32letsencrypt.orgsecurityA10032100%59.4
33speedtest.netmiscA100161100%175.3
34github.comdevB8387100%66.8
35stackoverflow.comdevB8371100%55.0
36nextjs.orgframeworksB8351100%110.5
37djangoproject.comframeworksB8384100%117.4
38rubygems.orgregistriesB83128100%46.1
39packagist.orgregistriesB8387100%205.3
40pub.devregistriesB8370100%119.6
41docker.cominfraB8356100%83.6
42ansible.cominfraB8351100%1193.1
43datadoghq.cominfraB83144100%150.6
44opentelemetry.ioinfraB8389100%136.1
45vercel.comcloudB8353100%100.7
46render.comcloudB8347100%142.1
47cloud.google.comcloudB8359100%205.4
48hetzner.comcloudB8389100%1179.8
49vultr.comcloudB83186100%215.4
50clickhouse.comdatabaseB8386100%94.1
51couchbase.comdatabaseB8384100%43.1
52influxdata.comdatabaseB8358100%417.2
53prisma.iodatabaseB8361100%181.4
54openai.comaiB8344100%41.4
55midjourney.comaiB8381100%38.1
56runwayml.comaiB8389100%208.4
57modal.comaiB83135100%293.6
58baseten.coaiB8375100%284.7
59coda.iosaasB8369100%27.2
60hubspot.comsaasB8339100%236.9
61canva.comsaasB83184100%65.0
62dropbox.comsaasB83167100%504.0
63apple.comproductivityB8352100%190.1
64gmail.comproductivityB8359100%231.7
65news.ycombinator.comcommunityB8348100%53.5
66stackexchange.comcommunityB8372100%34.0
67quora.comcommunityB8378100%301.9
68indiehackers.comcommunityB8386100%108.1
69x.comsocialB8356100%436.2
70facebook.comsocialB837100%122.3
71instagram.comsocialB837100%208.0
72linkedin.comsocialB83172100%149.7
73pinterest.comsocialB83117100%457.9
74mastodon.socialsocialB8343100%102.3
75threads.netsocialB837100%166.0
76whatsapp.comsocialB837100%249.7
77discord.comsocialB8385100%44.0
78youtube.commediaB8359100%265.5
79apnews.comnewsB8374100%29.3
80economist.comnewsB8369100%51.9
81forbes.comnewsB83195100%22.6
82arstechnica.comnewsB8368100%332.5
83ft.comnewsB83193100%71.7
84axios.comnewsB83194100%58.2
85ecosia.orgsearchB8369100%63.9
86startpage.comsearchB83179100%239.8
87qwant.comsearchB8374100%1016.2
88target.comecommerceB83130100%571.6
89amazon.comecommerceB83155100%885.2
90temu.comecommerceB8389100%459.0
91stripe.compaymentsB83189100%123.0
92revolut.compaymentsB8342100%131.5
93adyen.compaymentsB8368100%153.3
94lemonsqueezy.compaymentsB8360100%150.6
95paddle.compaymentsB8369100%106.2
96ko-fi.compaymentsB8384100%36.7
97hsbc.comfintechB8399100%4138.2
98citi.comfintechB83160100%1253.5
99americanexpress.comfintechB83143100%2665.7
100robinhood.comfintechB8367100%464.9
101kucoin.comexchangeB8366100%63.5
102bitfinex.comexchangeB8338100%262.1
103upbit.comexchangeB8321100%356.0
104bitget.comexchangeB83182100%234.3
105deribit.comexchangeB8376100%582.8
106coingecko.comexchangeB8379100%138.4
107ubereats.comfoodB83107100%126.6
108who.inthealthB8356100%70.3
109everydayhealth.comhealthB83122100%1023.3
110berkeley.edueducationB8369100%35.5
111edx.orgeducationB83173100%122.2
112udemy.comeducationB8371100%24.7
113udacity.comeducationB8393100%147.3
114w3schools.comeducationB83119100%1050.3
115freecodecamp.orgeducationB8372100%430.0
116whitehouse.govgovB8363100%62.4
117bund.degovB8331100%2645.5
118un.orggovB83141100%362.1
119nato.intgovB83146100%432.4
120auth0.comsecurityB8378100%104.0
121paloaltonetworks.comsecurityB8316100%791.3
122kaspersky.comsecurityB83110100%1934.6
123mozilla.orgmiscB8342100%106.1
124iana.orgmiscB8365100%64.9
125whatismyipaddress.commiscB8345100%34.2
126bitbucket.orgdevC6752100%231.2
127jsfiddle.netdevC6750100%181.4
128dart.devlanguagesC6788100%18.5
129spring.ioframeworksC67146100%101.6
130remix.runframeworksC6768100%67.0
131hex.pmregistriesC6742100%115.3
132puppet.cominfraC6751100%113.7
133chef.ioinfraC6762100%99.4
134linode.comcloudC6715100%5078.9
135ibm.comcloudC67175100%992.9
136wasabi.comcloudC6766100%246.5
137neo4j.comdatabaseC6766100%90.6
138mariadb.orgdatabaseC6776100%754.9
139anthropic.comaiC6733100%163.9
140replicate.comaiC6770100%353.8
141qdrant.techaiC6746100%66.2
142deepmind.googleaiC6769100%286.4
143asana.comsaasC6770100%103.4
144figma.comsaasC6794100%181.8
145miro.comsaasC6791100%256.0
146clickup.comsaasC67142100%25.1
147atlassian.comsaasC67100100%544.7
148linear.appsaasC6784100%283.4
149zapier.comsaasC67116100%135.4
150salesforce.comsaasC67159100%2472.4
151grammarly.comsaasC6766100%322.1
152box.comsaasC67159100%76.9
153icloud.comproductivityC6751100%411.9
154proton.meproductivityC6730100%583.7
155reddit.comcommunityC67107100%45.1
156medium.comcommunityC6733100%21.9
157dev.tocommunityC67195100%45.1
158lemmy.worldcommunityC6779100%380.7
159tumblr.comsocialC6735100%204.0
160primevideo.commediaC67102100%490.6
161peacocktv.commediaC67105100%111.6
162nytimes.comnewsC67138100%60.3
163bbc.comnewsC6784100%55.9
164bing.comsearchC6785100%757.9
165searx.besearchC6773100%212.2
166walmart.comecommerceC67102100%494.3
167wish.comecommerceC67179100%1063.0
168shein.comecommerceC6781100%333.0
169nike.comecommerceC67154100%1354.1
170paypal.compaymentsC67160100%214.5
171square.compaymentsC6756100%244.0
172wise.compaymentsC67194100%923.4
173brex.compaymentsC6789100%175.6
174ramp.compaymentsC6789100%918.2
175klarna.compaymentsC67145100%614.0
176chase.comfintechC67144100%905.1
177wellsfargo.comfintechC67192100%1010.8
178capitalone.comfintechC6753100%1045.7
179discover.comfintechC6787100%503.1
180fidelity.comfintechC6737100%1027.6
181intuit.comfintechC67189100%837.2
182quickbooks.intuit.comfintechC67189100%862.1
183okx.comexchangeC67178100%784.9
184expedia.comtravelC6753100%943.9
185skyscanner.comtravelC6766100%843.3
186lyft.comtravelC67161100%519.4
187hostelworld.comtravelC6748100%465.0
188trainline.comtravelC6759100%309.9
189grubhub.comfoodC67176100%107.1
190swiggy.comfoodC67148100%795.0
191nih.govhealthC67106100%629.0
192nhs.ukhealthC6776100%1017.2
193pluralsight.comeducationC6766100%570.3
194theodinproject.comeducationC6774100%485.1
195exercism.orgeducationC6774100%51.8
196australia.gov.augovC6754100%524.8
1971password.comsecurityC6782100%87.6
198lastpass.comsecurityC67169100%1244.0
199okta.comsecurityC67169100%365.5
200duosecurity.comsecurityC67189100%98.6
201crowdstrike.comsecurityC6747100%1750.6
202fortinet.comsecurityC6754100%114.7
203malwarebytes.comsecurityC6729100%53.6
204tenable.comsecurityC67164100%227.5
205hackerone.comsecurityC67141100%165.9
206codeberg.orgdevC5038100%486.2
207php.netlanguagesC5076100%252.1
208swift.orglanguagesC5046100%473.0
209haskell.orglanguagesC5063100%485.2
210perl.orglanguagesC5014100%451.4
211vuejs.orgframeworksC5044100%70.3
212laravel.comframeworksC5065100%293.8
213hub.docker.comregistriesC5069100%129.4
214nuget.orgregistriesC5079100%428.4
215jenkins.ioinfraC5072100%287.7
216circleci.cominfraC5095100%170.2
217fly.iocloudC5030100%45.8
218firebase.google.comcloudC5059100%269.3
219aws.amazon.comcloudC50123100%102.7
220oracle.comcloudC5048100%728.2
221backblaze.comcloudC5083100%191.4
222akamai.comcloudC50170100%507.7
223fastly.comcloudC5022100%34.7
224postgresql.orgdatabaseC5058100%1286.4
225mysql.comdatabaseC5048100%878.0
226timescale.comdatabaseC5056100%187.5
227turso.techdatabaseC5051100%103.4
228huggingface.coaiC50118100%29.3
229cohere.comaiC5082100%105.3
230stability.aiaiC5037100%136.0
231jasper.aiaiC5067100%249.8
232copy.aiaiC5034100%394.1
233weights.ggaiC5073100%147.5
234fireworks.aiaiC5069100%248.7
235notion.sosaasC5069100%144.2
236slack.comsaasC5065100%220.0
237airtable.comsaasC5086100%312.8
238zendesk.comsaasC5082100%160.8
239loom.comsaasC50195100%73.6
240evernote.comsaasC5063100%136.6
241zoho.comproductivityC50166100%223.0
242bsky.appsocialC50103100%262.3
243vk.comsocialC50151100%1336.8
244line.mesocialC50119100%336.7
245netflix.commediaC50109100%547.5
246spotify.commediaC5083100%282.5
247twitch.tvmediaC50162100%44.7
248vimeo.commediaC5031100%44.3
249hbomax.commediaC50176100%578.8
250deezer.commediaC5090100%1691.6
251audible.commediaC50106100%480.3
252dailymotion.commediaC5057100%780.3
253yandex.comsearchC50154100%664.8
254mojeek.comsearchC50135100%832.6
255alibaba.comecommerceC50144100%930.8
256mercury.compaymentsC5043100%98.6
257gumroad.compaymentsC5062100%33.3
258patreon.compaymentsC5076100%109.8
259bankofamerica.comfintechC50101100%616.8
260gemini.comexchangeC50118100%59.5
261airbnb.comtravelC5088100%1098.1
262kayak.comtravelC5086100%544.0
263uber.comtravelC50107100%277.4
264agoda.comtravelC5056100%1326.6
265deliveroo.comfoodC5059100%587.5
266just-eat.co.ukfoodC5035100%114.5
267mit.edueducationC5012100%627.6
268coursera.orgeducationC50127100%621.5
269usa.govgovC5064100%221.3
270europa.eugovC50117100%719.7
271canada.cagovC50105100%2628.7
272worldbank.orggovC5056100%138.1
273archive.orgmiscC50100100%73.3
274w3.orgmiscC5034100%97.9
275ietf.orgmiscC5079100%98.1
276ipinfo.iomiscC5088100%136.5
277gravatar.commiscC5065100%200.8
278sourcegraph.comdevD3338100%148.0
279gitea.comdevD3347100%202.6
280python.orglanguagesD33105100%50.6
281nodejs.orglanguagesD3368100%166.8
282go.devlanguagesD3349100%151.8
283java.comlanguagesD3348100%338.7
284kotlinlang.orglanguagesD33110100%459.5
285flask.palletsprojects.comframeworksD3331100%190.4
286fastapi.tiangolo.comframeworksD3383100%103.1
287solidjs.comframeworksD3387100%199.7
288maven.apache.orgregistriesD3351100%28.6
289terraform.ioinfraD3381100%283.7
290grafana.cominfraD33152100%72.1
291prometheus.ioinfraD3358100%227.8
292apache.orginfraD3369100%23.0
293istio.ioinfraD3382100%62.8
294netlify.comcloudD3396100%435.4
295railway.appcloudD3386100%163.6
296ovh.comcloudD3357100%412.5
297redis.iodatabaseD3332100%154.7
298cassandra.apache.orgdatabaseD3351100%83.2
299duckdb.orgdatabaseD3363100%132.7
300elevenlabs.ioaiD3355100%119.0
301groq.comaiD3332100%109.5
302langchain.comaiD3385100%265.9
303trello.comsaasD33100100%25.5
304intercom.comsaasD33178100%363.1
305calendly.comsaasD3361100%120.1
306smartsheet.comsaasD3357100%68.9
307discourse.orgcommunityD33158100%63.9
308substack.comcommunityD3347100%397.9
309lobste.rscommunityD3356100%181.6
310tiktok.comsocialD3332100%1229.2
311telegram.orgsocialD33130100%518.7
312weibo.comsocialD3320100%1751.8
313signal.orgsocialD3332100%92.8
314bereal.comsocialD3373100%117.1
315soundcloud.commediaD33137100%243.2
316pandora.commediaD33151100%292.2
317cnn.comnewsD33140100%53.3
318reuters.comnewsD33139100%323.9
319bloomberg.comnewsD3389100%222.6
320theverge.comnewsD3371100%34.1
321wired.comnewsD3320100%148.6
322businessinsider.comnewsD33134100%40.0
323mashable.comnewsD3334100%39.7
324shopify.comecommerceD3366100%80.3
325lowes.comecommerceD33124100%1444.9
326costco.comecommerceD3310100%35.4
327ikea.comecommerceD3350100%109.6
328instacart.comecommerceD33176100%1733.8
329checkout.compaymentsD3344100%280.9
330affirm.compaymentsD3365100%56.7
331mint.comfintechD33164100%1001.8
332hellofresh.comfoodD33122100%686.7
333brilliant.orgeducationD3343100%210.6
334nasa.govgovD3370100%49.8
335qualys.comsecurityD3389100%227.0
336eff.orgsecurityD3359100%162.3
337gitlab.comdevF17192100%233.0
338lua.orglanguagesF1769100%586.1
339julialang.orglanguagesF17143100%173.2
340typescriptlang.orglanguagesF1790100%212.6
341react.devframeworksF1774100%59.3
342angular.ioframeworksF1735100%216.2
343svelte.devframeworksF1777100%88.8
344nuxt.comframeworksF1746100%102.9
345tailwindcss.comframeworksF1742100%88.7
346vitejs.devframeworksF1744100%152.5
347emberjs.comframeworksF1782100%115.5
348crates.ioregistriesF17107100%156.5
349kubernetes.ioinfraF1769100%72.8
350elastic.coinfraF1764100%80.2
351sentry.ioinfraF17111100%270.6
352nginx.orginfraF1773100%266.4
353argoproj.github.ioinfraF1758100%64.0
354digitalocean.comcloudF1781100%116.3
355supabase.comcloudF1738100%226.6
356azure.microsoft.comcloudF17152100%1606.4
357planetscale.comdatabaseF1747100%87.4
358neon.techdatabaseF1759100%227.4
359together.aiaiF1786100%315.3
360ollama.comaiF1744100%155.7
361pinecone.ioaiF1764100%213.3
362weaviate.ioaiF1752100%93.3
363chroma.comaiF1755100%273.1
364scale.comaiF1786100%105.9
365deepinfra.comaiF1745100%64.0
366lmsys.orgaiF1762100%152.6
367zoom.ussaasF1758100%67.8
368monday.comsaasF1745100%87.6
369basecamp.comsaasF1733100%126.9
370make.comsaasF1789100%272.7
371todoist.comsaasF17127100%490.3
372google.comproductivityF1759100%148.2
373microsoft.comproductivityF1790100%1548.1
374wps.comproductivityF17151100%1335.0
375hashnode.comcommunityF1767100%151.1
376tidal.commediaF17153100%48.5
377bandcamp.commediaF17177100%13.0
378engadget.comnewsF17163100%116.1
379vice.comnewsF1738100%324.6
380baidu.comsearchF178367%1333.9
381search.brave.comsearchF17136100%67.2
382ebay.comecommerceF17172100%673.6
383wayfair.comecommerceF1733100%171.8
384zara.comecommerceF17145100%328.1
385sephora.comecommerceF1722100%656.4
386plaid.compaymentsF17134100%134.8
387vanguard.comfintechF1752100%1842.4
388crypto.comexchangeF1753100%122.2
389gate.ioexchangeF17140100%1267.2
390booking.comtravelF17172100%711.2
391tripadvisor.comtravelF17123100%271.7
392marriott.comtravelF1796100%660.3
393trivago.comtravelF1747100%474.7
394webmd.comhealthF1759100%441.1
395healthline.comhealthF17124100%105.4
396cdc.govhealthF17138100%1267.9
397medicalnewstoday.comhealthF17124100%133.0
398duolingo.comeducationF17191100%431.4
399codecademy.comeducationF1784100%341.5
400norton.comsecurityF17181100%1450.5
401bugcrowd.comsecurityF17138100%44.6
402wikipedia.orgmiscF1762100%165.8
403gutenberg.orgmiscF17184100%456.7
404openculture.commiscF17187100%449.1
405wikimedia.orgmiscF1762100%218.1
406gitlab.iomiscF1759100%114.1
407codesandbox.iodevF082100%232.3
408rust-lang.orglanguagesF049100%37.6
409ruby-lang.orglanguagesF081100%120.9
410elixir-lang.orglanguagesF076100%58.1
411scala-lang.orglanguagesF037100%525.1
412r-project.orglanguagesF076100%1030.7
413rubyonrails.orgframeworksF063100%96.1
414expressjs.comframeworksF047100%114.4
415astro.buildframeworksF089100%57.6
416preactjs.comframeworksF055100%159.0
417hashicorp.cominfraF051100%64.5
418travis-ci.cominfraF070100%303.4
419alibabacloud.comcloudF0117100%1104.2
420scaleway.comcloudF0110100%960.9
421bunny.netcloudF087100%112.2
422mongodb.comdatabaseF063100%241.4
423sqlite.orgdatabaseF087100%222.7
424office.comproductivityF081100%156.3
425onedrive.comproductivityF0790%n/a
426kbin.socialcommunityF0n/a0%n/a
427hulu.commediaF039100%1392.5
428disneyplus.commediaF043100%727.3
429wsj.comnewsF048100%478.0
430npr.orgnewsF01200%n/a
431washingtonpost.comnewsF01380%n/a
432etsy.comecommerceF0188100%37.6
433aliexpress.comecommerceF032100%711.3
434bestbuy.comecommerceF01020%n/a
435homedepot.comecommerceF0172100%537.6
436asos.comecommerceF01610%n/a
437uniqlo.comecommerceF01700%n/a
438adidas.comecommerceF0181100%1188.7
439schwab.comfintechF0109100%921.7
440etrade.comfintechF01250%n/a
441binance.comexchangeF069100%371.2
442bybit.comexchangeF01150%n/a
443bitstamp.netexchangeF0147100%137.7
444htx.comexchangeF066100%391.0
445hilton.comtravelF01460%n/a
446hotels.comtravelF0870%n/a
447flixbus.comtravelF078100%64.6
448opentable.comfoodF0770%n/a
449yelp.comfoodF034100%96.4
450zomato.comfoodF01150%n/a
451mayoclinic.orghealthF0166100%729.2
452zyrtec.comhealthF080100%54.9
453harvard.edueducationF038100%37.7
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461ip-api.commiscF0128100%549.2

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