Kuv tuaj yeem muab tus cwj pwm ALT mus rau ib daim duab kom raug?

Txhua qhov web page yog tsim los siv cov cim sau cov cim - cov cai uas sau rau cov lus tshwj xeeb uas muab los (feem ntau nws yog HTML). Tus neeg siv qhov browser, nyeg, paub yuav ua li cas los nyeem cov cai no kom zoo saib cov ntaub ntawv uas tsim tawm ntawm qhov kev pab xav tau los qhia rau peb. Nws hloov tawm hais tias tag nrho cov ntsiab lus ntawm yam peb pom hauv lub vev xaib yog muab los ntawm qhov chaws ntawm qhov chaw uas peb mus xyuas.

Code optimization

Raws li koj tuaj yeem twv, txhua tsab ntawv ntawm cov cai no, txhua tus cwj pwm, yog qhov tseem ceeb. Tseem, interestingly, nws tshwm sim los ntawm visually lub tsev kawm ntawv yuav tsis muaj cov ntsiab lus uas tseem ceeb heev rau nws cov optimization (qab hau qhov tseeb ntawm qhov chaw rau kev tshawb fawb xyaw). Cov kev tsis sib xws li no, piv txwv, tus ALT attribute. Nws yog nyob rau ntawm nplooj ntawv ntawm ntau cov kev pab, thiab ntau zaus peb tsuas tsis pom nws.

Nyob rau hauv tsab xov xwm no, peb xav ua tib zoo saib xyuas rau lub vas sab no. Ntawm no peb yuav qhia rau koj seb nws tseem ceeb heev rau qhov tseeb ntawm qhov chaw, qhov kev loj hlob ntawm nws txoj kev tuaj kawm ntawv thiab tus neeg siv txoj kev yooj yim rau kev ua haujlwm nrog nws.

Yuav ua li cas yog ib tug cwj pwm ALT?

Cia peb pib los ntawm qhov pib thaum pib: peb yuav piav qhia txog qhov no tsab xov xwm txog thiab vim li cas peb xav tau tus cwj pwm no.

Yog li, kom nkag siab txog cov ntawv no, koj yuav tsum xub nkag siab txog hom lus cim HTML. Qhov no yog qhov chaws uas cov nplooj ntawv sau tau yooj yim sau, uas, raws li tau hais tseg, muaj ib qho khoom yuav tsum tau tso tawm kom pom hauv qhov browser. Tag nrho cov lus muaj cov cim tshwj xeeb (piv txwv, IMG, ALT, FONT thiab hais txog). Txhua leeg yog lub luag haujlwm ua haujlwm nrog qhov no lossis tus qauv tsim. Hauv kev xyaum, qhov attribute saum toj-hais los ntawm ALT yog siv rau cov duab uas muaj nyob rau hauv cov nplooj ntawv. Tshwj xeeb, nrog nws cov kev pab, ib nqe lus piav qhia yog tsim rau cov duab uas tus neeg siv (lub tsev qhua) tau yooj yim thiab yooj yim to taub txog dab tsi yog tshwm sim rau lawv. Muaj tseeb koj tus kheej tau ntsib cov lus piav qhia - lawv tshwm sim thaum koj hover nas hla daim duab.

Lub ntsiab lus tseem ceeb

Ntawm chav kawm, cov cwj pwm no yog siv rau kev coj ua vim li cas. Cov Webmasters xav tau cov lus piav qhia ntawm lawv cov dluab tsis pub tsawg dua cov qhua lawv tus kheej (thiab, feem ntau yuav, ntau tshaj). Tom qab tag nrho, hais tias tag nrho cov dluab uas ploj lawm ALT cwj pwm, tus neeg no tej zaum yuav txawm tsis pom, yog tias rau cov duab nyob rau sab yuav muab ntxiv explanatory ntawv. Nyob rau lwm cov tes, cov kev tshawb fawb cav crawlers (thaum npliag ALT) tej zaum yuav siab txaus los soj ntsuam qhov chaw, kom txo tau nws txoj hauj lwm nyob rau hauv lub qhov teeb meem thiab, yog li, yuav tsis coj ib tug txaus tus naj npawb ntawm cov neeg tuaj saib. Yog li ntawd, peb muaj peev xwm hais nrog tseeb tias cov lus piav qhia ntawm cov duab nyob rau hauv lub tsev kawm ntawv kuj ua si tseem ceeb rau lub webmasters lawv tus kheej, yog li ntawd lawv tsis tuaj yeem tsis saib xyuas.

Lawm los ntawm kev tshawb fawb xyaw

Yuav kom nkag siab zoo dua qhov ua tiav cov cim npe ntawm cov lus piav qhia rau cov duab, peb muab ib qho piv txwv me. Cia peb hais tias muaj ib qhov chaw nrog cov duab rau nws. Yog hais tias koj tsis qhia qhov ALT attribute, tus neeg siv yuav tsis muaj cuam tshuam, raws li nws yuav ua rau txhua qhov teeb meem saib dab tsi yog xwm ntawm qhov no lossis tus yees duab. Qhov ua tiav txhua yam yuav tsum yog tus tswv ntawm qhov chaw, uas yuav tsis nco qab cov lus saum toj no, vim li cas yuav poob qee cov tsheb khiav hauv cov duab cov duab, piv txwv.

Yuav ua li cas sau npe tus ALT attribute?

Technically, muaj yog tsis muaj dab tsi nyuaj rau sau nyob rau hauv ib tug duab piav qhia. Nws yog tseeb hais tias koj yuav tau mus nyob rau hauv lub HTML-editor ntawm koj qhov chaw thiab nrhiav tau cov duab code (pib nrog IMG thiab finishes los ntawm nws). Hauv qhov thaiv ntawm cov cai muaj ib qho chaws. Tias 's lawv txhais li cas thaum lawv hais tias koj yuav tsum teem caij ALT attribute. Qhov no yog ua tiav li no: "alt =" piav qhia ".

Yog hais tias koj tsis ua hauj lwm nrog txoj kev ntshiab, tab sis siv ib lub cav "cav" rau lub vev xaib (piv txwv li, Wordpress los yog Joomla), nws muaj ib qho tshwj xeeb txoj hauv kev ntxiv "kev sib tw", uas peb qhov chaw yuav tsum nco ntsoov los ntawm kev tshawb fawb xyaw. Yog tias koj ua ib daim ALT tshiab, qhov kev hloov tshiab tshwm ntawm koj nplooj ntawv.

Dab tsi ua lawv sau rau hauv tus cwj pwm?

Tau kawg, thaum koj muaj teeb meem uas muab tus ALT attribute, koj tsis xav txog kev ua haujlwm. Feem ntau cov lus nug no raug nug nyob rau hauv qhov kev tshwm sim uas tus kws tshaj lij tsis paub txog cov ntaub ntawv nws xav tau los qhia txog cov duab tshwj xeeb. Vim li no, nws nyuaj rau koj hais tias cov ntaub ntawv twg yuav nkag mus rau ntawm qhov chaw ntawm kev tshawb fawb xyaw.

Hauv kev xyaum, muaj ntau txoj kev los daws qhov teeb meem ntawm kev piav qhia. Ib tug neeg ua hauj lwm nrog cov qauv ntawv raug, raws li qhov uas cov nplooj ntawv tsuas sau nrog cov ntsiab lus nyob rau hauv uas cov nplooj ntawv tsim. Tej zaum qhov no yog qhov kev xyaum tshaj plaws, uas feem ntau tuaj yeem pom. Qee lub sij hawm, tsis yog nrhiav qhov ALT attribute, tus neeg siv tsuas sau qhov chaw no khoob. Ntawm no nws yuav tsum tau qhia meej tias txhua tus neeg txiav txim siab ua li cas piav qhia los qhia.

Yuav tsum tau ua

Tib lub sijhawm, nws muaj peev xwm paub qhov txawv ntawm cov kev cai yooj yim (los yog, yog tias koj nyiam, kev xav tau) rau txhua tus neeg ntxiv tau tus cwj pwm zoo rau lawv cov duab. Lawv muaj tsawg tsawg ntawm cov khoom, txhua nqe uas hais txog cov lus piav qhia txog cov duab thiab cov duab rau ntawm qhov chaw.

Piv txwv li, thawj qhov kev xav tau yog qhov ntev ntawm tag nrho cov ntawv nyeem. Yog tias koj tab tom nrhiav tus ALT attribute, cov tshuaj yoojyim yog yooj yim: tsis siv ntau tshaj 2-3 lo lus. Cov ntawv nyeem ntawm no me me yuav, ua ntej, ua tau zoo nyeem los ntawm kev tshawb nrhiav neeg hlau (thiab ua kom koj qhov chaw paub ntau dua); Secondly, qhov kev piav qhia no yuav nkag siab dua rau cov neeg siv. Pom zoo, nyeem tag nrho cov kab lus, yog tias koj xav paub seb pom nyob hauv daim duab, tsis muaj leej twg yuav. Nws yog txaus rau luv luv thiab meej piav qhia txog kev piav qhia, uas yuav pab tau koj thiab cov neeg muas zaub.

Tsis txhob hnov qab txog qhov ntsiag to. Yog tias koj luam tawm ib daim duab nrog tus ntxhw, nco ntsoov piav txog nws lub noob lossis keeb kwm; Qhia seb yog vim licas nws pom tshwm hauv daim duab no, koj xav hais dabtsi. Nws yuav pab tau rau tus qhua paub koj xav txog qhov no ntxhw.

Lwm qhov tseem ceeb (uas tau tsim muaj thaum lub sij hawm uas muaj kev sim ntau dhau) yog kev sib txig sib luag. Yog tias koj tab tom nrhiav kev cob qhia tus ALT attribute mus rau ib daim duab, nco ntsoov: nws yuav tsum raug xaiv tshwj xeeb rau txhua daim duab nyob rau ntawm qhov chaw. Piv txwv, luam tawm peb daim duab sib deev nrog kos npe "Kuv tus ntxhw" yuav tsis ncaj ncees - qhov no tsuas ua rau koj qhov kev pab cuam hauv SERP. Nws yog zoo dua los hu cov duab "ntxhw 1" thiab "ntxhw 2", uas yuav ua rau lawv txawv dua qub.

Thaum kawg, nco ntsoov cov tsis muaj cov dluab koj tab tom nrhiav, yuav ua li cas ntxiv rau ALT attribute. Rau cov duab nws yog ib qho tseem ceeb kom tau raws li cov txheej txheem - tsis muaj qhov loj me me, kom pom tseeb. Ntawd yog, yog koj qhia meej meej, tom qab ntawd ua qhov no rau cov dluab loj loj uas raug muab tso rau hauv koj tus account ntau dua. Tsis txhob qhia qhov ALT attribute rau cov lus me me lossis lwm yam zoo li ntawd.

Nrhiav ALT

Thaum kawg, peb tau tham txog cov ntsiab lus ntawm tus cwj pwm, qee cov cai rau nws muab tso ua ke thiab cov kev cai ntawm ob tog neeg (cov neeg siv thiab tshawb nrhiav neeg hlau) rau lawv. Tam sim no peb yuav xav: yog li cas peb thiaj nrhiav tau cov lus tseem ceeb thiab cov nqe lus uas peb yuav tau sau npe rau ntawm peb lub vev xaib? Raws li teev saum toj no, kev tshawb nrhiav yuav tsum tau qhia ncaj nraim ntawm cov ntsiab lus tseem ceeb npaj txhij, uas yeej pib nyiam cov neeg tuaj mus rau koj qhov chaw. Ntawm chav kawm, qhov no tsis tiav yog tias koj tseem tsis tau muaj cov txiaj ntsig ALT. Coj cov lus tseem ceeb thiab cov nqe lus uas siv rau hauv cov ntsiab lus, thiab muab cov duab tso rau hauv cov duab.

Yog tias koj tsis muaj cov ntaub ntawv zoo li no thiab koj tsis tau xav txog txhua yam txog kev pib maj mam tsim koj qhov kev pab, peb xav kom pib nrhiav cov databases ntawm xws li "lo lus tseem ceeb" uas koj tuaj yeem tsim cov websites tshiab. Rau qhov no, cov kev pab cuam xws li Google Lo Lus Yuam Tsheej Extract Tool lossis Yandex.Wordstat, uas qhia tshawb nrhiav statistics rau cov nqe lus tshwj xeeb, zoo heev. Ua "Ua Si" nrog rau cov chaw no, koj tuaj yeem ua rau kev sib txuas ntawm kev sib txuas ntawm koj qhov chaw thiab yog li pib cov kev pab tshiab. Qhov loj tshaj plaws yog tias tsis muaj teeb meem nyob rau hauv uas tag nrho cov duab pom tsis muaj ALT attribute.

Cov lus xaus

Yog li, peb yuav hais li cas txog tus cwj pwm uas tau piav hauv tsab xov xwm no? Nws yog ib feem ntawm cov lus uas tsim cov chaw yooj yim - HTML. Ua li no yog qhov yooj yim heev, txij li thaum lub tsev kawm ntawv theem pib Thiaj li tseem sau npe rau cov duab hauv cov duab, koj yuav tsum tau tsim ntawm nws tus kheej los ntawm qhov chaws. Los yog, siv cov lus qhia tshiab, pib rov tsim dua. Xijpeem nws yog, thiab qhov qhia ntawm ALT cov cim npe yog qhov zoo tshaj plaws ntawm qhov kev pab cuam, thaum tus tswv thiab tus tswv ntawm qhov chaw txaus siab.

Tagging cov ntawv tuaj yeem ua rau cov qhua tshiab - xws li feem ntau xws li qhov tshwm sim muaj nyob ntawm kev pab cuam xws li Google thiab Yandex Cov Ntaub Ntawv. Thaum nias rau ntawm ib daim duab, lub vev xaib ntawm nws tus kheej txiav txim seb qhov twg los ntawm daim duab tau muab thiab tshem tawm tus qhua. Thiab qhov no, raws li koj paub, tseem ceeb heev uas yuav tau ua yav tom ntej.