"]J n S%fr6v8G[,zP0? ?我們使用瀏覽器插件，很容易查看到網(wǎng)頁(yè)細(xì)分請(qǐng)求消耗的時(shí)間。如Firefox的Firebug插件：51Testing軟件測(cè)試網(wǎng)c[5fs{.Y51Testing軟件測(cè)試網(wǎng)d5C,]bKj7E

51Testing軟件測(cè)試網(wǎng)M)z;a.DU

Linux的命令行怎樣實(shí)現(xiàn)類似功能呢？curl即可實(shí)現(xiàn)：51Testing軟件測(cè)試網(wǎng),Zb:[9`MT0N

w*G^"HvC2H:a0/usr/bin/curl --no-keepalive --no-sessionid --noproxy -o /dev/null -s

-w'time_namelookup=%{time_namelookup}51Testing軟件測(cè)試網(wǎng)y+I1}(eO#Vh9y!S

time_connect=%{time_connect}51Testing軟件測(cè)試網(wǎng) J3s)h` ud

time_appconnect=%{time_appconnect}

e"F$~5FMR~6xa

\(~0time_pretransfer=%{time_pretransfer}

I

p"qB z|~0time_redirect=%{time_redirect}51Testing軟件測(cè)試網(wǎng))@3A&w7^3|3B,_ p7_?

time_starttransfer=%{time_starttransfer}

2qQm(zD0size_download=%{size_download}

(\-y)|mw5ZGx Y0size_upload=%{size_upload}51Testing軟件測(cè)試網(wǎng)pLQAT9Q

size_header=%{size_header}

G&q9e

KCb\#v I1?0size_request=%{size_request}51Testing軟件測(cè)試網(wǎng)|-O#_e"xg0aX\$U

speed_download=%{speed_download}51Testing軟件測(cè)試網(wǎng)'PIb&oel`KS

speed_upload=%{speed_upload}

M[W;oH0content_type=%{content_type}51Testing軟件測(cè)試網(wǎng)O/wo*Rkt&z

num_connects=%{num_connects}51Testing軟件測(cè)試網(wǎng)l\[@8n

dxi-v

num_redirects=%{num_redirects}

HLx{X|0redirect_url=%{redirect_url}51Testing軟件測(cè)試網(wǎng)L1A+z6a [,E+f

time_total=%{time_total}\n'http://www.baidu.com/img/baidu_sylogo1.gif

-v --trace-time51Testing軟件測(cè)試網(wǎng)9q5gKX

Z0u0h51Testing軟件測(cè)試網(wǎng)T/fNrW6an$M

獲取結(jié)果如下：51Testing軟件測(cè)試網(wǎng),}~Y%a7_hG51Testing軟件測(cè)試網(wǎng)-o

{8TS~7Hp7T1L

51Testing軟件測(cè)試網(wǎng)iP%R&uTW51Testing軟件測(cè)試網(wǎng)5]xh6ZYI

g7E

04:15:55.518146 * About to connect() to www.baidu.com port 80 (#0),zdWBn6~uc0

7f"pEA6Yf004:15:55.518227 * Trying 220.181.112.143... connected51Testing軟件測(cè)試網(wǎng):]vX^

k[#bzd#Q51Testing軟件測(cè)試網(wǎng)Gq6h6wS_ok

04:15:55.556297 * Connected to www.baidu.com (220.181.112.143) port 80

(#0)51Testing軟件測(cè)試網(wǎng)M:Y3D4l4Cb,X51Testing軟件測(cè)試網(wǎng),FD k{4xY5O

04:15:55.556379 > GET /img/baidu_sylogo1.gif HTTP/1.151Testing軟件測(cè)試網(wǎng)0A.md0H4Cf

)r7_O u(]K3UW@!q004:15:55.556379 > User-Agent: curl/7.19.7 (x86_64-redhat-linux-gnu)

libcurl/7.19.7 NSS/3.12.7.0 zlib/1.2.3 libidn/1.18 libssh2/1.2.251Testing軟件測(cè)試網(wǎng)(Boot9O

Tp$e]O M?t)g004:15:55.556379 > Host: www.baidu.com51Testing軟件測(cè)試網(wǎng)%\8}rU"[0`7N4l

+Q4O

Nh4l!kn$V-B}#vy004:15:55.556379 > Accept: */*51Testing軟件測(cè)試網(wǎng)p3~OMn-H

"K:?OW0E0Y004:15:55.556379 >)Y.G7|g!~F$SW^0

$T&P^Z)FNT004:15:55.597388 < HTTP/1.1 200 OKRr{"b+EB+d'Ap051Testing軟件測(cè)試網(wǎng)5J:Qm4y#Yg

04:15:55.597427 < Date: Fri, 10 Feb 2012 04:59:24 GMT)z,a|!LX+t Jt%I051Testing軟件測(cè)試網(wǎng)+[S:c_JP0g-cW

04:15:55.597459 < Server: Apache51Testing軟件測(cè)試網(wǎng)

|M-~p:z6i51Testing軟件測(cè)試網(wǎng)#JL)n(b3O_i`M1e

04:15:55.597490 < P3P: CP=" OTI DSP COR IVA OUR IND COM "51Testing軟件測(cè)試網(wǎng)N:yZ7`z|

NI/Q'A*W004:15:55.597521 < Set-Cookie:

BAIDUID=HIGKOO6B478BD35F87D2A1F38AC765FE:FG=1; expires=Sat, 09-Feb-13 04:59:24

GMT; max-age=31536000; path=/; domain=.baidu.com; version=151Testing軟件測(cè)試網(wǎng)T0}_;~!C`n^

IY2bM5jh-VK/K004:15:55.597553 < Last-Modified: Thu, 20 Jan 2011 07:15:35 GMT51Testing軟件測(cè)試網(wǎng)+y0G0yg!]:].m51Testing軟件測(cè)試網(wǎng))E@u)Gi(~@c@

04:15:55.597584 < ETag: "66e-49a41e65988c2"51Testing軟件測(cè)試網(wǎng)d9B)U&}8M

o*jc0@%L^004:15:55.597615 < Accept-Ranges: bytes51Testing軟件測(cè)試網(wǎng)9B%T!ze

o5x!hbb51Testing軟件測(cè)試網(wǎng)9D2~-\p/r

04:15:55.597646 < Content-Length: 1630V8\G+Y;m_l`8rv&}0

Dw }{ SY004:15:55.597677 < Cache-Control: max-age=31536000051Testing軟件測(cè)試網(wǎng)4{#pD&Q$Y@`'@51Testing軟件測(cè)試網(wǎng)3Oj:KHF-}:n5{

04:15:55.597707 < Expires: Mon, 07 Feb 2022 04:59:24 GMT51Testing軟件測(cè)試網(wǎng)p/\~|2BI)nt51Testing軟件測(cè)試網(wǎng)0E E.|i%]]&cm

04:15:55.597739 < Connection: Keep-AliveThYQ%}:q*L+tR0

H&G4C5k1I004:15:55.597771 < Content-Type: image/gifo]k lHE:}051Testing軟件測(cè)試網(wǎng)bn?*Y%K)X_,iNi

04:15:55.597802 < data...-p^u5y-|5s[,{-w051Testing軟件測(cè)試網(wǎng)-V0X_]y5z#@p

51Testing軟件測(cè)試網(wǎng)Fg-^-C^2E]

T4Z-I51Testing軟件測(cè)試網(wǎng);_'t(zr/~&R0r5r

time_namelookup=0.01151Testing軟件測(cè)試網(wǎng){*`9`\NzIp51Testing軟件測(cè)試網(wǎng)8|`f6E

^ M7jO

time_connect=0.049;u8x+kA#T-I3gT0

e1uAAt0time_appconnect=0.00051Testing軟件測(cè)試網(wǎng),S-@8?0|;V-uFE*T

n.z:\g3jq.qd0time_pretransfer=0.04951Testing軟件測(cè)試網(wǎng)Jk

z_X}51Testing軟件測(cè)試網(wǎng)Z;J_I9M%g"xW.M?

time_redirect=0.00051Testing軟件測(cè)試網(wǎng)&E

QC8]#Tb(M51Testing軟件測(cè)試網(wǎng)~0p0MXPE

time_starttransfer=0.09051Testing軟件測(cè)試網(wǎng)9mgX:eid3b51Testing軟件測(cè)試網(wǎng)$Y!pm9F\J3Mo

size_download=1630(p&w.h!_hKf W051Testing軟件測(cè)試網(wǎng)}1X?Mo'u

size_upload=051Testing軟件測(cè)試網(wǎng)6L%k#``lXlz51Testing軟件測(cè)試網(wǎng)Ii8jL1Mo+_

size_header=505Zr0\!n(a&e;?Q051Testing軟件測(cè)試網(wǎng)vS+uv(Z D3|0P

size_request=19051Testing軟件測(cè)試網(wǎng)F1@AFlF51Testing軟件測(cè)試網(wǎng)E~9D7E

R MxgKC

speed_download=18030.00051Testing軟件測(cè)試網(wǎng)9G2|&S-Y:ae

or]qY%a)J$Ge0speed_upload=0.000Xi6XE3F&[[Y8h0m051Testing軟件測(cè)試網(wǎng)@7Jy a~\u

content_type=image/gif51Testing軟件測(cè)試網(wǎng)g:A3W3kevj{y

by6gIGTW W0num_connects=151Testing軟件測(cè)試網(wǎng)"^of

P#Q'fA,r;i)n

8g0W1_QCU0num_redirects=051Testing軟件測(cè)試網(wǎng)*dz0Neos0Rz}-r

q!V@5]!Q0redirect_url=51Testing軟件測(cè)試網(wǎng)X+{'Bz4?8q

}E"KUJ&R'G-P0time_total=0.090tG}@Q8s5t4CY0

)o`0j~R~;A2f004:15:55.598190 * Closing connection #051Testing軟件測(cè)試網(wǎng)o5Z'^G!ATS2K:I

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