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301 Moved Permanently - drjlt.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: CloudFront
Date: Fri, 16 May 2025 10:03:16 GMT
Content-Type: text/html
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Connection: keep-alive
Location: https://drjlt.com/
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HTTP Code 301 Moved Permanently

301 status code means that the requested resource has been permanently moved to a new URL. All future requests should use the new address.

When is Code 301 used?

  • When changing a website domain
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  • When setting up redirects for SEO

What does Code 301 mean for the user?

The browser will automatically redirect the user to the new address, and search engines will update their indexes.

200 OK - https://drjlt.com/
HTTP Status: 200
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
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Date: Fri, 16 May 2025 10:03:16 GMT
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HTTP Code 200 OK

200 status code is a standard successful HTTP server response. It means that the client’s request (e.g., from a browser) was successfully processed, and the server is delivering the requested data.

When is Code 200 used?

  • When loading a web page
  • When successfully receiving an API response
  • When processing a form or another HTTP request

What does Code 200 mean for the user?

The user receives content without errors, and the page or application functions properly. If Code 200 is accompanied by data, the browser or program processes and displays it to the user.

GET / HTTP/1.1
Host: drjlt.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE html><!-- DrJLT Dec 2017 - Jun 2024 --><html lang="en"><head><meta charset="utf-8"><link href="/x/src/af-latin.woff2" rel="preload" as="font" crossorigin><meta name="viewport" content="width=device-width, initial-scale=1"><link rel="stylesheet" href="/x/src/drjlt.css" type="text/css"><script defer src="/x/src/drjlt.js"></script><title>Dr Jiulin Teng | Entrepreneur, Strategy PhD, Data Scientist, Photographer</title><link rel="icon" type="image/png" href="/x/src/jlt.png"><meta name="description" content="Dr Jiulin Teng is an Entrepreneur, Data Scientist, Developer, and Photographer. On this site, you can find his articles and photo galleries."><meta name="copyright" content="Copyright 2017-2024 Dr Jiulin Teng. All rights reserved."><meta name="author" content="Dr Jiulin Teng"><meta name="thumbnail" content="https://drjlt.com/x/src/drjlt.png"><link rel="canonical" href="https://drjlt.com/"><link rel="icon" href="https://drjlt.com/x/src/192.png"></head><body><header class="nodec"><div class="hdf"><div id="menu-tog" class="ml pt" aria-label="Menu"><span></span><span></span><span></span></div><div class="ml"></div></div><a href="/" id="site-logo"></a><div class="hdf"><div class="ml pt"><div class="dm-tog"></div></div><div id="search-tog" class="ml pt" aria-label="Search"><div class="s-search"></div></div></div></header><nav id="menu" class="nodec"><a class="bbottom" href="/">Home</a><a href="/article">Articles</a><a href="/article/economy"> - Economy</a><a href="/article/life"> - Lifestyle</a><a class="bbottom" href="/article/tech"> - Technology</a><a href="/photo">Photography</a><a href="/photo/city"> - Cityscape</a><a href="/photo/nature"> - Nature</a><a class="bbottom" href="/photo/travel"> - Travel</a><a href="/keyword">Keywords</a></nav><div id="search-box" class="nodec"><input id="search-i" type="text" placeholder="Start typing to search DrJLT"><div id="sayt"></div></div><div id="main"><div class="navm nodec"><a href="/article/economy">Economy</a><a href="/article/life">Lifestyle</a><a href="/article/tech">Tech</a><a href="/photo/city">Cityscape</a><a href="/photo/nature">Nature</a><a href="/photo/travel">Travel</a></div><div id="content"><div class="l-wrap wrap"><div id="i-top" class="s-wrap bbottom pbottom"><div id="jlt"><h1>Dr Jiulin Teng</h1><div>Welcome! I am Dr Jiulin Teng. Over the years, I have developed insights into a number of issues of popular interest. A photography enthusiast, I have also captured photos of places and people that tell stories. This website is dedicated to my thoughts and my photos.</div></div><div id="jlt-i"><img src="/x/src/jlt.jpg" alt="Dr Jiulin Teng"></div></div><div class="i-list" id="i-list1"><div class="posts yndec"><div class="post-c"><div class="post-c-i"><a href="/photo/city/442/tianjin-april-2025" aria-label="Read post: Tianjin April 2025" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/20/63/1746028080_t.jpg" alt="Cover for post Tianjin April 2025"></a></div><div class="post-c-m"><div class="post-c-bt"><div>30 Apr 2025</div><div><a href="/photo/city">City</a> · <a href="/photo">Photo</a></div></div><div class="post-c-tt"><a href="/photo/city/442/tianjin-april-2025">Tianjin April 2025</a></div><div class="post-c-tg">These photos have been taken in April 2025 in Tianjin.</div></div></div><div class="post-c"><div class="post-c-i"><a href="/photo/travel/441/tangshan-april-2025" aria-label="Read post: Tangshan April 2025" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/27/26/1745075769_t.jpg" alt="Cover for post Tangshan April 2025"></a></div><div class="post-c-m"><div class="post-c-bt"><div>19 Apr 2025</div><div><a href="/photo/travel">Travel</a> · <a href="/photo">Photo</a></div></div><div class="post-c-tt"><a href="/photo/travel/441/tangshan-april-2025">Tangshan April 2025</a></div><div class="post-c-tg">Here are some photos shot in early April 2025 in Tangshan.</div></div></div><div class="post-c"><div class="post-c-i"><a href="/photo/city/440/tianjin-march-2025" aria-label="Read post: Tianjin March 2025" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/33/68/1745063600_t.jpg" alt="Cover for post Tianjin March 2025"></a></div><div class="post-c-m"><div class="post-c-bt"><div>19 Apr 2025</div><div><a href="/photo/city">City</a> · <a href="/photo">Photo</a></div></div><div class="post-c-tt"><a href="/photo/city/440/tianjin-march-2025">Tianjin March 2025</a></div><div class="post-c-tg">Here are a few photos from the center of Tianjin in March 2025.</div></div></div><div class="post-c"><div class="post-c-i"><a href="/photo/travel/439/xiong-an-2025" aria-label="Read post: Xiong'an March 2025" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/65/42/1744982346_t.jpg" alt="Cover for post Xiong'an March 2025"></a></div><div class="post-c-m"><div class="post-c-bt"><div>18 Apr 2025</div><div><a href="/photo/travel">Travel</a> · <a href="/photo">Photo</a></div></div><div class="post-c-tt"><a href="/photo/travel/439/xiong-an-2025">Xiong'an March 2025</a></div><div class="post-c-tg">These photos were taken in Xiong'an in early March 2025, almost entirely in the new city's central park.</div></div></div><div class="post-c"><div class="post-c-i"><a href="/photo/travel/438/baoding-2025" aria-label="Read post: Baoding March 2025" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/74/47/1744882167_t.jpg" alt="Cover for post Baoding March 2025"></a></div><div class="post-c-m"><div class="post-c-bt"><div>17 Apr 2025</div><div><a href="/photo/travel">Travel</a> · <a href="/photo">Photo</a></div></div><div class="post-c-tt"><a href="/photo/travel/438/baoding-2025">Baoding March 2025</a></div><div class="post-c-tg">These photos from Baoding were taken in early March 2025 around the historic center of the city. The highlight here is the Garden of Lotus Lake.</div></div></div><div class="post-c"><div class="post-c-i"><a href="/photo/travel/437/zhengding-2025" aria-label="Read post: Zhengding March 2025" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/91/70/1744463280_t.jpg" alt="Cover for post Zhengding March 2025"></a></div><div class="post-c-m"><div class="post-c-bt"><div>12 Apr 2025</div><div><a href="/photo/travel">Travel</a> · <a href="/photo">Photo</a></div></div><div class="post-c-tt"><a href="/photo/travel/437/zhengding-2025">Zhengding March 2025</a></div><div class="post-c-tg">These are photos that I took in Zhengding during a visit in early March 2025. Most were from the restored fortified walls (also known as ramparts).</div></div></div><div class="post-c"><div class="post-c-i"><a href="/photo/travel/436/qingdao-2025" aria-label="Read post: Qingdao Feb 2025" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/68/67/1743518815_t.jpg" alt="Cover for post Qingdao Feb 2025"></a></div><div class="post-c-m"><div class="post-c-bt"><div>01 Apr 2025</div><div><a href="/photo/travel">Travel</a> · <a href="/photo">Photo</a></div></div><div class="post-c-tt"><a href="/photo/travel/436/qingdao-2025">Qingdao Feb 2025</a></div><div class="post-c-tg">This is a collage of photos from Qingdao in the end of February 2025. The weather had been chilly and foggy throughout, which gave the city an interesting, if smoggy, atmosphere.</div></div></div><div class="post-c"><div class="post-c-i"><a href="/article/tech/435/vw-phaeton-is-overrated" aria-label="Read post: Volkswagen Phaeton Is Overrated" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/22/75/1742047031_t.jpg" alt="Cover for post Volkswagen Phaeton Is Overrated"></a></div><div class="post-c-m"><div class="post-c-bt"><div>15 Mar 2025</div><div><a href="/article/tech">Tech</a> · <a href="/article">Article</a></div></div><div class="post-c-tt"><a href="/article/tech/435/vw-phaeton-is-overrated">Volkswagen Phaeton Is Overrated</a></div><div class="post-c-tg">Despite crafty marketing stories, the Volkswagen Phaeton is objectively worse than the D3 Audi A8 and not a very good car even at launch. Today, I list four hard facts to support this argument.</div></div></div><div class="post-c"><div class="post-c-i"><a href="/article/tech/434/vw-audi-w12-engine" aria-label="Read post: Three Stages of the VW-Audi NA W12 Engine" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/64/23/1740142725_t.jpg" alt="Cover for post Three Stages of the VW-Audi NA W12 Engine"></a></div><div class="post-c-m"><div class="post-c-bt"><div>21 Feb 2025</div><div><a href="/article/tech">Tech</a> · <a href="/article">Article</a></div></div><div class="post-c-tt"><a href="/article/tech/434/vw-audi-w12-engine">Three Stages of the VW-Audi NA W12 Engine</a></div><div class="post-c-tg">Today, I go over the three stages of the naturally-aspirated version of the VW-Audi W12 engine; they correspond with three generations of Audi A8s in which a W12 was fitted. I will highlight the unique design elements of the W12 in detail, too.</div></div></div><div class="post-c"><div class="post-c-i"><a href="/article/tech/433/bmw-l6-diesel-evolution" aria-label="Read post: Evolution of the BMW Inline-6 Diesel" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/68/53/1735785560_t.jpg" alt="Cover for post Evolution of the BMW Inline-6 Diesel"></a></div><div class="post-c-m"><div class="post-c-bt"><div>02 Jan 2025</div><div><a href="/article/tech">Tech</a> · <a href="/article">Article</a></div></div><div class="post-c-tt"><a href="/article/tech/433/bmw-l6-diesel-evolution">Evolution of the BMW Inline-6 Diesel</a></div><div class="post-c-tg">BMW is thought by many to have stronger diesel than petrol engines. This is in fact a new phenomenon. Today, I go over the evolution of 5 BMW inline-6 diesels and rank them into three tiers.</div></div></div><div class="post-c"><div class="post-c-i"><a href="/article/tech/432/ten-classic-lancia-cars" aria-label="Read post: Ten Iconic and Collectible Lancia Road Cars" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/30/79/1735547142_t.jpg" alt="Cover for post Ten Iconic and Collectible Lancia Road Cars"></a></div><div class="post-c-m"><div class="post-c-bt"><div>30 Dec 2024</div><div><a href="/article/tech">Tech</a> · <a href="/article">Article</a></div></div><div class="post-c-tt"><a href="/article/tech/432/ten-classic-lancia-cars">Ten Iconic and Collectible Lancia Road Cars</a></div><div class="post-c-tg">Lancia is celebrated for producing some of the most innovative cars in automotive history, blending style, engineering, and racing pedigree. Today, I go over 10 iconic and collectible Lancia road cars.</div></div></div><div class="post-c"><div class="post-c-i"><a href="/article/tech/431/mercedes-6-cyl-diesel-evolution" aria-label="Read post: Evolution of the Mercedes 6-Cylinder Diesel" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/54/26/1735302701_t.jpg" alt="Cover for post Evolution of the Mercedes 6-Cylinder Diesel"></a></div><div class="post-c-m"><div class="post-c-bt"><div>27 Dec 2024</div><div><a href="/article/tech">Tech</a> · <a href="/article">Article</a></div></div><div class="post-c-tt"><a href="/article/tech/431/mercedes-6-cyl-diesel-evolution">Evolution of the Mercedes 6-Cylinder Diesel</a></div><div class="post-c-tg">Today, I go over the construction, performance, reliability, and applications of six Mercedes 6-cylinder diesel engines. I also rank them into three tiers.</div></div></div><div class="post-c"><div class="post-c-i"><a href="/article/tech/430/toyota-lexus-v8-evolution" aria-label="Read post: Evolution of the Toyota / Lexus Petrol V8" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/83/61/1734753071_t.jpg" alt="Cover for post Evolution of the Toyota / Lexus Petrol V8"></a></div><div class="post-c-m"><div class="post-c-bt"><div>21 Dec 2024</div><div><a href="/article/tech">Tech</a> · <a href="/article">Article</a></div></div><div class="post-c-tt"><a href="/article/tech/430/toyota-lexus-v8-evolution">Evolution of the Toyota / Lexus Petrol V8</a></div><div class="post-c-tg">Today, I go over the evolution of six Toyota / Lexus V8s over two generations in terms of construction, performance, reliability, and applications. In the end, I rank them into three tiers.</div></div></div><div class="post-c"><div class="post-c-i"><a href="/article/tech/429/bmw-v8-evolution" aria-label="Read post: Evolution of the BMW Petrol V8" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/98/76/1734530538_t.jpg" alt="Cover for post Evolution of the BMW Petrol V8"></a></div><div class="post-c-m"><div class="post-c-bt"><div>18 Dec 2024</div><div><a href="/article/tech">Tech</a> · <a href="/article">Article</a></div></div><div class="post-c-tt"><a href="/article/tech/429/bmw-v8-evolution">Evolution of the BMW Petrol V8</a></div><div class="post-c-tg">BMW has always made some performant and characterful, if fragile, V8s. Today, I go over the evolution of seven BMW V8s over four generations in terms of construction, performance, reliability, and applications. In the end, I rank them into three tiers.</div></div></div><div class="post-c"><div class="post-c-i"><a href="/article/tech/428/mercedes-v8-evolution" aria-label="Read post: Evolution of the Mercedes Petrol V8" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/53/86/1733976138_t.jpg" alt="Cover for post Evolution of the Mercedes Petrol V8"></a></div><div class="post-c-m"><div class="post-c-bt"><div>12 Dec 2024</div><div><a href="/article/tech">Tech</a> · <a href="/article">Article</a></div></div><div class="post-c-tt"><a href="/article/tech/428/mercedes-v8-evolution">Evolution of the Mercedes Petrol V8</a></div><div class="post-c-tg">In this blog, I go over the evolution of eight Mercedes V8s over seven generations in terms of their construction, performance, reliability, and applications. In the end, I will rank them into three tiers.</div></div></div><div class="post-c"><div class="post-c-i"><a href="/photo/city/427/autoshow-tianjin-2024" aria-label="Read post: Autoshow Tianjin 2024" class="post-c-ia"><img class="post-c-im" loading="lazy" src="/x/img/82/18/1733627246_t.jpg" alt="Cover for post Autoshow Tianjin 2024"></a></div><div class="post-c-m"><div class="post-c-bt"><div>08 Dec 2024</div><div><a href="/photo/city">City</a> · <a href="/photo">Photo</a></div></div><div class="post-c-tt"><a href="/photo/city/427/autoshow-tianjin-2024">Autoshow Tianjin 2024</a></div><div class="post-c-tg">These photos were taken at the annual autoshow in Tianjin in October 2024.</div></div></div></div></div><div id="pagination"><a class="abtn" href="/article">More Articles</a><a class="abtn" href="/photo">More Photography</a></div></div></div></div><footer class="nodec centered"><div class="navm bbottom"><a href="/">Home</a><a href="/article">Articles</a><a href="/photo">Photography</a><a href="/aritcle/tech/30/privacy-statement">Privacy</a><a href="/article/life/31/about-me">About</a></div><div class="navm"><a href='https://www.instagram.com/drjlteng/' target='_blank' rel="nofollow noopener noreferrer">Instagram </a><a href='https://www.linkedin.com/in/jiulin/' target='_blank' rel="nofollow noopener noreferrer">LinkedIn </a><a href='https://twitter.com/DrJiulinTeng' target='_blank' rel="nofollow noopener noreferrer">Twitter </a><a href='https://www.youtube.com/channel/UCWsUqfdqOFAcGHoCa7pTkRg' target='_blank' rel="nofollow noopener noreferrer">YouTube </a></div><div class="mg10">Copyright © 2017–2024 Dr Jiulin Teng.<br>All rights reserved.</div><h3 class="mg10">DrJLT</h3></footer></body></html>

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