diff --git a/docs/tools/website.py b/docs/tools/website.py
index 0bf3ba5e193..21fd636e1cb 100644
--- a/docs/tools/website.py
+++ b/docs/tools/website.py
@@ -190,7 +190,7 @@ def process_benchmark_results(args):
         results_root = os.path.join(benchmark_root, benchmark_kind, "results")
         for result in sorted(os.listdir(results_root)):
             result_file = os.path.join(results_root, result)
-            logging.debug(f"Reading benchmark result from {result_file}")
+            logging.info(f"Reading benchmark result from {result_file}")
             with open(result_file, "r") as f:
                 result = json.loads(f.read())
                 for item in result:
diff --git a/website/README.md b/website/README.md
index c6743b5dcb9..57cd87cbfe2 100644
--- a/website/README.md
+++ b/website/README.md
@@ -2,16 +2,27 @@ ClickHouse website is built alongside it's documentation via [docs/tools](https:
 
 # How to quickly test the main page of the website
 
+```
+# If you have old OS distribution,
+# Run this from repository root:
+
+docker run -it --rm --network host --volume $(pwd):/workspace ubuntu:20.04 /bin/bash
+cd workspace/docs/tools
+apt update
+apt install sudo python pip git
+pip3 install -r requirements.txt
+git config --global --add safe.directory /workspace
+./build.py --skip-multi-page --skip-blog --skip-docs --livereload 8080
+```
+
 ```
 cd ../docs/tools
 sudo apt install python-3 pip
 pip3 install -r requirements.txt
 
-# This is needed only when documentation is included
-sudo npm install -g purify-css amphtml-validator
 virtualenv build
 
-./build.py --skip-multi-page --skip-single-page --skip-amp --skip-blog --skip-git-log --skip-docs --livereload 8080
+./build.py --skip-multi-page --skip-blog --skip-docs --livereload 8080
 
 # Open the web browser and go to http://localhost:8080/
 ```
@@ -19,11 +30,11 @@ virtualenv build
 # How to quickly test the blog
 
 ```
-./build.py --skip-multi-page --skip-single-page --skip-amp --skip-git-log --skip-docs --livereload 8080
+./build.py --skip-multi-page --skip-docs --livereload 8080
 ```
 
 # How to quickly test the broken links in docs
 
 ```
-./build.py --skip-multi-page --skip-amp --skip-blog --skip-git-log --lang en --livereload 8080
+./build.py --skip-multi-page --skip-blog --lang en --livereload 8080
 ```
diff --git a/website/benchmark/hardware/results/intel_core_i9_11900kf.json b/website/benchmark/hardware/results/intel_core_i9_11900kf.json
index 6bc774bb14a..b94ce7c8f0e 100644
--- a/website/benchmark/hardware/results/intel_core_i9_11900kf.json
+++ b/website/benchmark/hardware/results/intel_core_i9_11900kf.json
@@ -48,7 +48,7 @@
             [0.261, 0.237, 0.231],
             [0.029, 0.013, 0.014],
             [0.017, 0.013, 0.011],
-            [0.003, 0.002, 0.003],  
+            [0.003, 0.002, 0.003]
         ]
     }
 ]