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作為一家sem公司，我們想要做好北京網(wǎng)站seo優(yōu)化，其實(shí)并不需要掌握多么高深的代碼知識(shí)，其實(shí)只要掌握簡(jiǎn)單的就可以了哦！那么我們就來為大家介紹我們做北京營(yíng)銷推廣常用的基礎(chǔ)的代碼知識(shí)！

1.? 定義文檔類型??? 基本可以忽略不用管。

2. 定義頭部元素???? 其實(shí)就相當(dāng)于是網(wǎng)頁(yè)更頂端的內(nèi)容，就相當(dāng)于是一篇文章的標(biāo)題。

3. 定義body元素這個(gè)呼應(yīng)上面頭部，就是網(wǎng)頁(yè)的主體代碼內(nèi)容，相當(dāng)于是文章正文。

4. 定義標(biāo)題這個(gè)是網(wǎng)頁(yè)的標(biāo)題名稱，會(huì)在瀏覽器的頭部出現(xiàn)，或者是搜索引擎的標(biāo)題位置出現(xiàn)。 </p> <p > 5.<h1> 定義文章標(biāo)題屬性，這個(gè)和上面的title不一樣，title標(biāo)簽內(nèi)是一個(gè)網(wǎng)頁(yè)標(biāo)題文字信息，而h1標(biāo)簽是表明這個(gè)標(biāo)題的屬性，加上h1一般文字會(huì)加粗。一般認(rèn)為h1更重要的，依次是h2，h3... </p> <p > 6.<b> 加粗標(biāo)簽，可以給整段加粗，也可以給每一個(gè)文字加粗。我們平時(shí)編輯文章時(shí)只要點(diǎn)擊一下黑色的大寫字母“B”文字就加粗了，其實(shí)和這個(gè)道理是一樣的，只不過一個(gè)是用代碼控制，一個(gè)是用程序控制。 </p> <p > 7.<p>這個(gè)是段落標(biāo)簽，就是如果你要接下來的文字分成另外一段，就用這個(gè)標(biāo)簽，我們一般前臺(tái)操作就只要敲下空格就搞定了。 </p> <p > 8.</br>這個(gè)是換行的代碼。 </p> <p > 9.<hr>? 就是一個(gè)分界線。 </p> <p > 10. 這個(gè)是定義注釋，意思是說，這段代碼在后臺(tái)可以查看，但文字不顯示。就比如上面那段文字“這是一個(gè)水平線”，在前端是看不到的。 </p> <p > 說明：標(biāo)簽代碼通常是成對(duì)出現(xiàn)的，例如前面出現(xiàn)了<p>，那么后面應(yīng)該還有個(gè)</p>，形成一對(duì)代碼。 </p> <p > </p> </article> <section class="QrCode"> <div id="ppppppp" class="TopBlock"> <div id="ppppppp" class="ContentBlock"> <div id="3pppppp" class="img"> <img src="/template/pc/index/images/liangshuang.png" class='img-fluid' alt='' /> </div> <div id="ppp3p3p" class="Vtext"> <div id="ppppppp" class="Vtitle">掃二維碼與項(xiàng)目經(jīng)理溝通</div> <div id="p35pppp" class="Vdesc"> <p>7*24小時(shí)為您服務(wù)</p> <p>解答：網(wǎng)站優(yōu)化,網(wǎng)站建設(shè),APP開發(fā),小程序開發(fā),H5開發(fā),品牌推廣,新聞推廣,輿情監(jiān)測(cè)等</p> </div> </div> </div> </div> <div id="3pppppp" class="BottomBlock"> 　　非常感謝您有耐心的讀完這篇文章："sem公司想要做好優(yōu)化，懂這些代碼就夠了"，更多內(nèi)容請(qǐng)繼續(xù)瀏覽，我們將為您提供更多參考使用或?qū)W習(xí)交流的信息。我們還可為您提供：<a href="http://dasetv4.xyz/wzjs/" target="_blank">網(wǎng)站建設(shè)與開發(fā)</a>、<a href="http://dasetv4.xyz/seoyouhua/" target="_blank">網(wǎng)站優(yōu)化</a>、<a href="http://dasetv4.xyz/qiyepinpaisuzao/" target="_blank">品牌推廣</a>、APP開發(fā)、<a href="http://dasetv4.xyz/xcx/" target="_blank">小程序開發(fā)</a>、<a href="http://dasetv4.xyz/xinwenzhengheyingxiao/" target="_blank">新聞推廣</a>等服務(wù)，我們以“降低營(yíng)銷成本，提高營(yíng)銷效果”的服務(wù)理念，自創(chuàng)立至今，已成功服務(wù)過不同行業(yè)的1000多家企業(yè)，獲得國(guó)家高新技術(shù)企業(yè)認(rèn)證，且擁有14項(xiàng)國(guó)家軟件著作權(quán)，將力爭(zhēng)成為國(guó)內(nèi)企業(yè)心目中值得信賴的互聯(lián)網(wǎng)產(chǎn)品及服務(wù)提供商。如您需要合作，請(qǐng)掃碼咨詢，我們將誠(chéng)摯為您服務(wù)。 </div> </section> <div id="5p3p53p" class="flip"> <a href="/yingxiao/42086.html" target="_blank" class="prev">上一篇：SEO優(yōu)化過程中如何進(jìn)行內(nèi)容的更新?</a> <a href="/yingxiao/42084.html" target="_blank" class="next">下一篇：北京SEO外包公司：SEO優(yōu)化中關(guān)鍵詞真的有那么重要?</a> </div> <section class="WantToConsulting"> <div id="p35pppp" class="sultingTitle">我要咨詢</div> <div id="p5pppp5" class="form"> <form id="message" action="##" onsubmit="return false" method="post"> <div id="p35pppp" class="styleblock"> <span>姓名 :</span> <input type="text" required name="attr_30" id="name"> </div> <div id="p9ppp3p" class="styleblock"> <span>電話 :</span> <input type="text" required name="attr_32" id="tel"> </div> <input class="submit" type="button" onclick="message()" value="提交"> <input type="hidden" name="typeid" value="294" /><input type="hidden" name="__token__51085034d820a36ed70874ee5783d3ed" id="51085034d820a36ed70874ee5783d3ed" value="" /><script type="text/javascript"> function ey_fleshVerify(id) { var src = "/index.php?m=api&c=Ajax&a=vertify&type=guestbook&lang=cn"; if (src.indexOf('?') > -1) { src += '&'; } else { src += '?'; } src += 'r='+ Math.floor(Math.random()*100); document.getElementById(id).src = src; } function f7445d2ecb1351132f3851fa047610186() { //步驟一:創(chuàng)建異步對(duì)象 var ajax = new XMLHttpRequest(); //步驟二:設(shè)置請(qǐng)求的url參數(shù),參數(shù)一是請(qǐng)求的類型,參數(shù)二是請(qǐng)求的url,可以帶參數(shù),動(dòng)態(tài)的傳遞參數(shù)starName到服務(wù)端 ajax.open("get", "/index.php?m=api&c=Ajax&a=get_token&name=__token__51085034d820a36ed70874ee5783d3ed", true); // 給頭部添加ajax信息 ajax.setRequestHeader("X-Requested-With","XMLHttpRequest"); //步驟三:發(fā)送請(qǐng)求+數(shù)據(jù) ajax.send(); //步驟四:注冊(cè)事件 onreadystatechange 狀態(tài)改變就會(huì)調(diào)用 ajax.onreadystatechange = function () { //步驟五如果能夠進(jìn)到這個(gè)判斷說明數(shù)據(jù) 完美的回來了,并且請(qǐng)求的頁(yè)面是存在的 if (ajax.readyState==4 && ajax.status==200) { 　　　　document.getElementById("51085034d820a36ed70874ee5783d3ed").value = ajax.responseText; 　} } } f7445d2ecb1351132f3851fa047610186(); </script> <input type="hidden" name="attr_54" value="http://dasetv4.xyz/yingxiao/42085.html" /> </form> </div> </section> </div> </div> <script> function message() { if ($('#name').val() == ''){ alert('請(qǐng)?zhí)顚懩男彰?);return false; } if ($('#tel').val() == '') { alert('請(qǐng)?zhí)顚懩氖謾C(jī)號(hào)');return false; } else if(!(/^1[34578]\d{9}$/.test(($('#tel').val())))){ alert('手機(jī)號(hào)碼錯(cuò)誤');return false; } $.ajax({ type: "POST", dataType: "json", url: "/?m=home&c=Lists&a=gbook_submit", data: $('#message').serialize(), success: function (result) { if (result.code == 1) { $('#name').val(''); $('#tel').val(''); alert("留言成功"); } else { 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