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2020-03-26 17:08:40 С

Ϊһйܹ˾ĺоͷʹWordPressվķٵ֮֮һݽ磨CDNǼWebĸͬʱӿߵݴٶȣӶǵ飡


죬ͨ׶ķʽWordPress CDNĹԭΪʲôҪʹWordPress CDNԼǴһЩôǻһЩٶȲԣԱԸõжϣԼվϿ


ʲôWordPress CDN

CDNݽдЩDZ鲼ȫķ磨ҲΪPOPּйܺͽWordPressվľ̬ʱǶ̬ݵĸͼCSSjava scriptƵ

CDNʽ

ȣCDNWordPressЩȫķCDNйܷṩ̣ǿվٶȵһַȻKinstaйܷѸٷչCDNʹվ졣


CDNιðɣ磬ʹKinstaйվʱѡһλãвŷޣޡѡвζվʵλڰɻݿɪ˹ġϡŷ޸صǷվʱỨʱԵ¿˹ݴ˹еķߵľġΪʲôΪݱ봫Զľ롣νӳ١ӳָݴ漰ʱ/ӳ١ԽԶӳپԽ


վʱ䳬ӣ40ķ߻վ

ҪԾ㣨м豸֮ͨʵйܷԼйܷWebݡCDNõĵطͨӸķվݣڼӳ١ЩCDNʱҲΪPOPڵ㣩



WordPressûʱܲԸоݽ磬Ϊһʼе˲֪롣ˣͨ׶ķʽͨ򵥲裬ǵĹʽʵַʽ


1

ѡһCDNṩ򲢶ǵķЩͨ»ʹƷѡṩ̶һķá


2

CDNWP RocketѲмɡЩԶʲӵCDNκιɽݰCDNϣһж趯֣뼸ǰȣCDN׵öࡣ


ǷվʱڴȫͬCDNWordPressվݡˣЩλڰɻݵվŷ޷˵Ǵŷ޵POPмصġһ㣿CDNͨʹֲͬ͵ļû·ɵȷλãIP Anycast +λ·ɡǿԶûԺδ·ɵPOP


ΪWordPressѡսԷλȻҪΪʹCDNڷַýݣڼվʱԱйܷṩ̷󡣳ڴʹȫҳ棬ǽںܡKinsta22λãԴйWordPressվ


CDNĺô

ֻWordPressվʹCDNڶôеһЩ


1.

ʹCDNԭ֮һһһε֤ļվֱߵתʣ͵ʺ͸ƽÿͳʱء˵򵥵ȫλûˡʲôʱһеΪվʱ̫Ҫһ¡벻ҪǣһЩҵ쵼ΪṩһЩͳݣ


ҳӦӳ1ᵼת7ԴKissmetrics

Ӣ㲥˾BBC֣վÿһӣǾͻʧȥ10ûԴCreative Bloq

Google DoubleClickĵ飬353ƶվʱԴDoubleClick

ȫͨʱ36¿ͻĶ10.5ת27ԴAkamai

CDNͨ¼ַWordPressվܡ


TTFB

ѾWordPress CDNͨݴӳ١Ҳ԰̵һֽڣTTFBʱ䡣֮ڴӷһֽ֮ǰȴ೤ʱĶȡʱԽʾҳʱԽ



һǣDNSʱ֮ģǣ TTFB  ԭʼʼհӳ١漰3裬ӳٺ͵ȴʱ֮ܽ䣬ӶTTFBTTFB߿ɶԭģĴϴĻáǵһԱǽһЩԣʾKinsta CDNKeyCDN֧֣ÿ5Σȡƽֵ




   CDN½˲ԣԿǵܼʱΪ1.45 sʲƽTTFBԼΪ136 ms




ȻCDN  ٴвԡǵܼʱ併788룬ǵƽTTFBΪ37룡CDNԴʲô仯Ҫעһǣѡ˹¸Ħĵصִд˲ԡΪʲôΪչʾԴơ˹¸ĦCDN POPǵ˹¸Ħṩ


ע⣺ʹCloudflareTTFBܻ  ԸһЩܿȫĶ⿪͸¡סCloudflareһЩCDNṩûеǽܡˣҪ¶ģܻࡣվûеõʵŻôѡԸߵTTFBֵõġ


ǣܻ鿴йʹCloudflareҳ滺  TTFBWP Bulletָ  ҪһЩúͲԡȷԼIJԣΪÿͬijЩ»ʾCloudflareArgo԰TTFB


ͨؽ

ͨWordPressûһCDNҲû档ǿôشļһַʽҪעҪһǻĹʽCDNý帱ͨɷһλΣȻܽʵʻCDNϡCDNHTTPͷڳΪ X-CacheϡڵһڶϣļͨʾΪMISSζδ档




ںʱʾΪHITζѻCDNϡݸأETagͷڱͷֶCDNٻ棩ٻ档




ʹõCloudflare֮CDN򻹿νȫҳһµˮƽ漰ݶURLϡǣWordPressվʱܻЩ֣ΪҪΪվĶ̬ʵʩͨ


GZIPѹɽʡʽ

WordPress CDNGZIPһļʽԼļѹͽѹӦóGZIPѹڷˣCDN/ POPϣõģһСHTMLʽjava scriptļĴСͼΪЩͼѾԲͬķʽѹЩѹ70Խе򵥵Ż֮һõģҪCDNĬô˹ܡ


ԿʹCheck GZIP Compression  Chrome DevTools֮Ĺ鿴ѹľ޴졣磬ԿCDNṩjquery.jsļϣGZIPѹС94.9 KBС33.6 KBһļɽʡ64.59ӵʲýУΪʲôѹҪ




Brotliѹһµˮƽ

BrotliGoogleһָµѹ㷨нGZIPȣ֤ɽļСٶ26BrotliIJ൱ٶ620GoogleʹBrotliѹѹչʾ档




ǣBrotliȻµģδCDNṩ϶áһЩKeyCDNCDN77֧ڴ£ԭʼйܷBrotliáBrotli֧ҲӭͷϡȷBrotliڲ֧Brotliмصķ˵GZIP


HTTP / 2

HTTP / 2ҲCDNڶʲ֮һ֧֣HTTP / 2ҪHTTPSܵ߹ڶԭЭָܹ֧õĶ·ãԣʹûHPACKѹALPNչͷ͡ʹHTTPSʱкܶTLSHTTP / 2ѾΪȥ


2.ʹɱ

CDNһôǣ԰ԭʼжCPUԴڷֹ߷û԰ʹɱҪһǴȻķó޶˵򳬶շ뿪ߡ磬һʹCloudflareվ㣬Կж69Ĵ




CDNͳɱһַʽͨṩӱļ㷽ָHTTPԴַֹ˽ʲͼ-һйαͼĽ̳̣ǶվϡЩ˿˵շҶʱҰշҶʱHuffington PostϵһλߴƬվƲճͼ  ⷴʹAWSϻ1,000˳1,000Ԫ˵Ƭ滻ͼԱ㡶շҶʱµĶ߿ԿǣӱʼպҪԭ  ܻḶصĴۡ



3.߿ԺͿ

CDNṩ߿ԺͿԡڸƵݿڲͬλõĶPOPʹãˣһֹ̨ϣ̬·ɵһ̨赣ĿԣΪڹCDNṩʱͿǵһ㡣ʹõǽСĹCDNʵϿԷֹվΪԴ󲿷ָء


4. SEO

Google  2010ͽվٶΪأˣվԴߵѲܡȻ޷֪ٶж󣬵ԷĵΪǸҪ֮һΪӰû顣Brian Deanǰ100Բ鿴վٶGoogle֮ԣdzֹۡȻ֤ЩԣǿԷģӵһվֻGoogle֮Googleվ




CDNվҳٶȣ԰ý壨ͼ񣩵ץȡٶȣЩץȡٶGoogle Imageеء


5.İȫ

CDNṩͨʵWebӦóǽWAFԼijЩνOriginṩİȫԡЩ԰ʽʹСWordPressվϵDDoSUDPICMPЭDDoSԼSYN / ACKDNSŴ͵7㹥ôڴ棬ôԭʼIPַǷġ


ز鿴йֹͣDDoSİо  һС͵վĿͻվEasy Digital Downloadsվ7ڶԵҳ󳬹  500򡣸վͨÿֻܲ30-40 MBĴÿֻܲٸߡǣϵǣվÿ15-19 GBݴ䣡һ  4650Google Analyticsûʾⲻá



ͻվʵSucuriWebӦóǽдվ϶ʾ˺Ҳûκ⡣ˣ⣬ԿԽʡͶʲʡʱ䡣



CDNṩܣ簲ȫƣʹɴеʱİȫӡںǽ޷ٷʸݡ


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