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tong zhang

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Chrome got zstd for the HTML and gzip for the CSS. Brotli was 279 KB smaller.
tong_zhang_142dabd4f2b865 profile

Chrome got zstd for the HTML and gzip for the CSS. Brotli was 279 KB smaller.

#webdev #performance #http #css
Comments
7 min read
21 of our 114 sites answer every missing URL with the homepage. Search Console calls that indexed.
tong_zhang_142dabd4f2b865 profile

21 of our 114 sites answer every missing URL with the homepage. Search Console calls that indexed.

#webdev #seo #http #cloudflare
Comments
10 min read
Our robots.txt bans 31 crawlers. I tested 7: two got through, and Baidu got a 520.
tong_zhang_142dabd4f2b865 profile

Our robots.txt bans 31 crawlers. I tested 7: two got through, and Baidu got a 520.

#webdev #seo #http #security
Comments
9 min read
104 of 114 homepages ship no images at all. Their only image is a 270 KB social card.
tong_zhang_142dabd4f2b865 profile

104 of 114 homepages ship no images at all. Their only image is a 270 KB social card.

#webdev #performance #seo #html
Comments
8 min read
The 7.8 KB tracker got an ETag, a 12-hour TTL and an edge HIT. The page got none of them.
tong_zhang_142dabd4f2b865 profile

The 7.8 KB tracker got an ETag, a 12-hour TTL and an edge HIT. The page got none of them.

#webdev #performance #http #caching
Comments
8 min read
A search box needed titles. The page sent 300 full records, 41,000 characters of meta descriptions.
tong_zhang_142dabd4f2b865 profile

A search box needed titles. The page sent 300 full records, 41,000 characters of meta descriptions.

#nextjs #webdev #performance #react
Comments
7 min read
26 of 114 sitemaps gave every URL the same lastmod. One repeated a millisecond 312 times.
tong_zhang_142dabd4f2b865 profile

26 of 114 sitemaps gave every URL the same lastmod. One repeated a millisecond 312 times.

#seo #webdev #python #http
Comments
8 min read
19 of 424 JSON-LD blocks were not JSON. Every one had JavaScript stapled to the end.
tong_zhang_142dabd4f2b865 profile

19 of 424 JSON-LD blocks were not JSON. Every one had JavaScript stapled to the end.

#webdev #javascript #seo #security
Comments 1
6 min read
15 pages declared lang="en". 75-98% of their characters were Han.
tong_zhang_142dabd4f2b865 profile

15 pages declared lang="en". 75-98% of their characters were Han.

#webdev #javascript #python #a11y
Comments
5 min read
My sitemap listed 1,926 entries. Every one was a subdomain.
tong_zhang_142dabd4f2b865 profile

My sitemap listed 1,926 entries. Every one was a subdomain.

#seo #webdev #python #devops
Comments
7 min read
38.8% to 58.5% indexed in 15 days. Five sites out of 45 did half of it.
tong_zhang_142dabd4f2b865 profile

38.8% to 58.5% indexed in 15 days. Five sites out of 45 did half of it.

#seo #python #webdev #analytics
Comments 1
7 min read
A 1.5% redirect rate looked fine. One site's sitemap was 92% redirects.
tong_zhang_142dabd4f2b865 profile

A 1.5% redirect rate looked fine. One site's sitemap was 92% redirects.

#seo #webdev #http #python
1
Comments 3
7 min read
36 pages were live and in the sitemap. The directory page linked to none of them
tong_zhang_142dabd4f2b865 profile

36 pages were live and in the sitemap. The directory page linked to none of them

#webdev #nextjs #seo #python
2
Comments 2
7 min read
Static HTML passed on all 46 pages. Rendered in Chrome, 8 were broken
tong_zhang_142dabd4f2b865 profile

Static HTML passed on all 46 pages. Rendered in Chrome, 8 were broken

#webdev #javascript #react #testing
Comments
4 min read
6 of 40 sites were pointing Google at a sitemap URL that returns HTML
tong_zhang_142dabd4f2b865 profile

6 of 40 sites were pointing Google at a sitemap URL that returns HTML

#seo #webdev #python #nginx
Comments 1
6 min read
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