diff --git a/.github/workflows/lua-cov.yml b/.github/workflows/lua-cov.yml
index a089916f..6ede7670 100644
--- a/.github/workflows/lua-cov.yml
+++ b/.github/workflows/lua-cov.yml
@@ -27,6 +27,8 @@ jobs:
 
     - run: lua -v && make lu_test COV=true
 
-    - run: find ./lua -print | sort
-
-    - run: bash <(curl -s https://codecov.io/bash) -t ${{ secrets.CODECOV_TOKEN }} -F Lua
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v4.0.1
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        flags: Lua
\ No newline at end of file
diff --git a/README.rst b/README.rst
index 6d7e5fbe..9adf606d 100644
--- a/README.rst
+++ b/README.rst
@@ -45,6 +45,8 @@ Olivia's Project Euler Solutions
    :target: https://app.codecov.io/github/LivInTheLookingGlass/Euler?flags%5B0%5D=Java
 .. |Js-Cov| image:: https://img.shields.io/codecov/c/github/LivInTheLookingGlass/Euler?flag=JavaScript&logo=codecov&label=Js%20Cov
    :target: https://app.codecov.io/github/LivInTheLookingGlass/Euler?flags%5B0%5D=JavaScript
+.. |Lu-Cov| image:: https://img.shields.io/codecov/c/github/LivInTheLookingGlass/Euler?flag=Lua&logo=codecov&label=Lu%20Cov
+   :target: https://app.codecov.io/github/LivInTheLookingGlass/Euler?flags%5B0%5D=Lua
 .. |Py-Cov| image:: https://img.shields.io/codecov/c/github/LivInTheLookingGlass/Euler?flag=Python&logo=codecov&label=Py%20Cov
    :target: https://app.codecov.io/github/LivInTheLookingGlass/Euler?flags%5B0%5D=Python
 .. |Rs-Cov| image:: https://img.shields.io/codecov/c/github/LivInTheLookingGlass/Euler?flag=Rust&logo=codecov&label=Rs%20Cov
@@ -94,6 +96,7 @@ Olivia's Project Euler Solutions
    |            |                            |        | |ESLint|          |
    +------------+----------------------------+--------+-------------------+
    | Lua        | Lua 5+ [#]_                | 12     | |Luai| |br|       |
+   |            |                            |        | |Lu-Cov| |br|     |
    |            |                            |        | |LuaCheck|        |
    +------------+----------------------------+--------+-------------------+
    | Python     | CPython 3.6+ |br|          | 80     | |Python| |br|     |
diff --git a/c/README.rst b/c/README.rst
index 4d7d54cf..f2174242 100644
--- a/c/README.rst
+++ b/c/README.rst
@@ -1,14 +1,18 @@
 C Section
 =========
 
-.. |C Check| image:: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/c.yml/badge.svg
+.. |Ci| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/c.yml?logo=github&label=C%20Tests
    :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/c.yml
+.. |C-lint| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/c-lint.yml?logo=github&label=Linting
+   :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/c-lint.yml
+.. |CodeQL| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/codeql.yml?logo=github&label=CodeQL
+   :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/codeql.yml
+.. |C-Cov| image:: https://img.shields.io/codecov/c/github/LivInTheLookingGlass/Euler?flag=C&logo=codecov&label=C%20Cov
+   :target: https://app.codecov.io/github/LivInTheLookingGlass/Euler?flags%5B0%5D=C
 
-|C Check|
+|Ci| |C-Cov| |C-lint| |CodeQL|
 
-All problems are solved in C11, though most if not all of it is
-C99-compatible. It is tested on clang, gcc, pcc, tcc, and msvc (the Visual Studios
-compiler).
+All problems are solved in C99. It is tested on clang, gcc, pcc, tcc, and msvc (the Visual Studios compiler).
 
 Organization
 ------------
diff --git a/cplusplus/README.rst b/cplusplus/README.rst
index e8df89d8..7b0d3bee 100644
--- a/cplusplus/README.rst
+++ b/cplusplus/README.rst
@@ -1,10 +1,16 @@
 C++ Section
 ===========
 
-.. |C++ Check| image:: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/cplusplus.yml/badge.svg
+.. |Cpi| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/cplusplus.yml?logo=github&label=Cpp%20Tests
    :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/cplusplus.yml
-
-|C++ Check|
+.. |Cp-lint| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/cplusplus-lint.yml?logo=github&label=Linting
+   :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/cplusplus-lint.yml
+.. |CodeQL| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/codeql.yml?logo=github&label=CodeQL
+   :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/codeql.yml
+.. |Cp-Cov| image:: https://img.shields.io/codecov/c/github/LivInTheLookingGlass/Euler?flag=Cpp&logo=codecov&label=Cpp%20Cov
+   :target: https://app.codecov.io/github/LivInTheLookingGlass/Euler?flags%5B0%5D=Cpp
+
+|Cpi| |Cp-Cov| |Cp-lint| |CodeQL|
 
 All problems are solved in C++98. It is tested on clang, g++, and msvc (the Visual Studios compiler).
 
diff --git a/csharp/README.rst b/csharp/README.rst
index fd74c365..dda48701 100644
--- a/csharp/README.rst
+++ b/csharp/README.rst
@@ -1,10 +1,16 @@
 C# Section
 ==========
 
-.. |C# Check| image:: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/csharp.yml/badge.svg
+.. |C#i| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/csharp.yml?logo=github&label=C%23%20Tests
    :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/csharp.yml
-
-|C# Check|
+.. |C#-lint| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/csharp-lint.yml?logo=github&label=Linting
+   :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/csharp-lint.yml
+.. |CodeQL| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/codeql.yml?logo=github&label=CodeQL
+   :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/codeql.yml
+.. |Cs-Cov| image:: https://img.shields.io/codecov/c/github/LivInTheLookingGlass/Euler?flag=Csharp&logo=codecov&label=C%23%20Cov
+   :target: https://app.codecov.io/github/LivInTheLookingGlass/Euler?flags%5B0%5D=Csharp
+
+|C#i| |Cs-Cov| |C#-lint| |CodeQL|
 
 All problems are solved in .NET 2+.
 
diff --git a/java/README.rst b/java/README.rst
index 46d5aa47..e9606dbf 100644
--- a/java/README.rst
+++ b/java/README.rst
@@ -1,10 +1,16 @@
 Java Section
 ============
 
-.. |Java Check| image:: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/java.yml/badge.svg
+.. |Javai| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/java.yml?logo=github&label=Java%20Tests
    :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/java.yml
-
-|Java Check|
+.. |Java-lint| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/java-lint.yml?logo=github&label=Linting
+   :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/java-lint.yml
+.. |CodeQL| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/codeql.yml?logo=github&label=CodeQL
+   :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/codeql.yml
+.. |Ja-Cov| image:: https://img.shields.io/codecov/c/github/LivInTheLookingGlass/Euler?flag=Java&logo=codecov&label=Java%20Cov
+   :target: https://app.codecov.io/github/LivInTheLookingGlass/Euler?flags%5B0%5D=Java
+
+|Javai| |Ja-Cov| |Java-lint| |CodeQL|
 
 All problems are solved in Java 8+.
 
diff --git a/javascript/README.rst b/javascript/README.rst
index eab55a1c..f6ecc669 100644
--- a/javascript/README.rst
+++ b/javascript/README.rst
@@ -1,10 +1,16 @@
 JavaScript Section
 ==================
 
-.. |JavaScript Check| image:: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/javascript.yml/badge.svg
+.. |JavaScript| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/javascript.yml?logo=github&label=Js%20Tests
    :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/javascript.yml
-
-|JavaScript Check|
+.. |ESLint| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/eslint.yml?logo=github&label=ESLint
+   :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/eslint.yml
+.. |Js-Cov| image:: https://img.shields.io/codecov/c/github/LivInTheLookingGlass/Euler?flag=JavaScript&logo=codecov&label=Js%20Cov
+   :target: https://app.codecov.io/github/LivInTheLookingGlass/Euler?flags%5B0%5D=JavaScript
+.. |CodeQL| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/codeql.yml?logo=github&label=CodeQL
+   :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/codeql.yml
+
+|JavaScript| |Js-Cov| |ESLint| |CodeQL|
 
 All problems are solved in ES6+ Javascript
 
diff --git a/lua/README.rst b/lua/README.rst
index fdda106b..d96dfa0c 100644
--- a/lua/README.rst
+++ b/lua/README.rst
@@ -5,8 +5,10 @@ Lua Section
    :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/lua.yml
 .. |LuaCheck| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/lua-lint.yml?logo=github&label=LuaCheck
    :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/lua-lint.yml
+.. |Lu-Cov| image:: https://img.shields.io/codecov/c/github/LivInTheLookingGlass/Euler?flag=Lua&logo=codecov&label=Lu%20Cov
+   :target: https://app.codecov.io/github/LivInTheLookingGlass/Euler?flags%5B0%5D=Lua
 
-|Luai| |LuaCheck|
+|Luai| |LuaCheck| |Lu-Cov|
 
 Organization
 ------------
diff --git a/lua/test.lua b/lua/test.lua
index 37652318..06a19a55 100644
--- a/lua/test.lua
+++ b/lua/test.lua
@@ -46,6 +46,10 @@ end
 local function check_problem(file_name, expected_answer, is_slow, problem_name)
     print("Starting: " .. file_name)
     local problem_func = load_problem("src/" .. file_name)
+    if is_slow and has_luacov
+    then
+        return
+    end
     local start_time = os.clock()
     local success, result = pcall(problem_func)
     local elapsed_time = os.clock() - start_time
@@ -61,7 +65,7 @@ local function check_problem(file_name, expected_answer, is_slow, problem_name)
         )
     end
 
-    if not is_slow and not has_luacov and elapsed_time > 60 then
+    if not is_slow and elapsed_time > 60 then
         error(
             "Problem " .. problem_name .. " took ~" .. string.format("%.3f", elapsed_time) ..
             "s, exceeding the expected time limit of 60s."
@@ -96,11 +100,8 @@ for file_name, config in pairs(problems) do
 end
 
 -- Slow testing loop
-if not has_luacov
-then
-    for file_name, config in pairs(problems) do
-        if config[2] then
-            check_problem(file_name, config[1], config[2], file_name:match("(%d+)"))
-        end
+for file_name, config in pairs(problems) do
+    if config[2] then
+        check_problem(file_name, config[1], config[2], file_name:match("(%d+)"))
     end
 end
diff --git a/python/README.rst b/python/README.rst
index 26e60980..2295366b 100644
--- a/python/README.rst
+++ b/python/README.rst
@@ -1,10 +1,16 @@
 Python Section
 ==============
 
-.. |Python Check| image:: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/python.yml/badge.svg
+.. |Python| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/python.yml?logo=github&label=Py%20Tests
    :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/python.yml
-
-|Python Check|
+.. |PythonLint| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/python-lint.yml?logo=github&label=Linting
+   :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/python-lint.yml
+.. |Py-Cov| image:: https://img.shields.io/codecov/c/github/LivInTheLookingGlass/Euler?flag=Python&logo=codecov&label=Py%20Cov
+   :target: https://app.codecov.io/github/LivInTheLookingGlass/Euler?flags%5B0%5D=Python
+.. |CodeQL| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/codeql.yml?logo=github&label=CodeQL
+   :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/codeql.yml
+
+|Python| |Py-Cov| |PythonLint| |CodeQL|
 
 All problems are solved in type-hinted python3
 
diff --git a/rust/README.rst b/rust/README.rst
index 1b68a21a..ab3a2524 100644
--- a/rust/README.rst
+++ b/rust/README.rst
@@ -1,10 +1,14 @@
 Rust Section
 ============
 
-.. |Rust Check| image:: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/rust.yml/badge.svg
+.. |Rust| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/rust.yml?logo=github&label=Rs%20Tests
    :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/rust.yml
+.. |RustClippy| image:: https://img.shields.io/github/actions/workflow/status/LivInTheLookingGlass/Euler/rust-clippy.yml?logo=github&label=Clippy
+   :target: https://github.com/LivInTheLookingGlass/Euler/actions/workflows/rust-clippy.yml
+.. |Rs-Cov| image:: https://img.shields.io/codecov/c/github/LivInTheLookingGlass/Euler?flag=Rust&logo=codecov&label=Rs%20Cov
+   :target: https://app.codecov.io/github/LivInTheLookingGlass/Euler?flags%5B0%5D=Rust
 
-|Rust Check|
+|Rust| |Rs-Cov| |RustClippy|
 
 Organization
 ------------