diff --git a/test/runtests.jl b/test/runtests.jl
index ca2ea07..74d7d40 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -26,6 +26,7 @@ using Arxiv: @arXiv_str # hosted on GitLab
 using GPMaxlik: gnll # hosted on sourcehut
 
 function url_exists(url)
+    url = replace(url, r"#.*$" => "") # strip line number
     response = request("GET", url; status_exception=false, redirect=true, retry=true)
     if 200 ≤ response.status < 400
         return true
@@ -75,22 +76,24 @@ end
         @testset "Base" begin
             m = @which sqrt(0.0)
             u = first(@inferred url(m))
-            # @test url_exists(u)
+            @test url_exists(u)
         end
         @testset "Stdlib" begin
             @testset "within julialang/julia" begin
                 m = @which @test true
                 u = first(@inferred url(m))
-                # @test url_exists(u)
+                @test url_exists(u)
 
                 m = @which det(rand(2, 2))
                 u = first(@inferred url(m))
-                # @test url_exists(u)
+                @test url_exists(u)
             end
-            @testset "own repository" begin
+            @testset "standalone repository" begin
                 m = @which mean(rand(5))
                 u = first(@inferred url(m))
-                # @test url_exists(u)
+                if VERSION >= v"1.11" # no tag for Statistics.jl v1.10.0
+                    @test url_exists(u)
+                end
             end
         end
 
@@ -98,28 +101,28 @@ end
             @testset "GitHub" begin
                 m = @which Aqua.test_all(MethodURL)
                 u = first(@inferred url(m))
-                # @test url_exists(u)
-            end
-            @testset "GitHub monorepo" begin
-                m = first(methods(Plots.RecipesBase.create_kw_body))
-                u = first(@inferred url(m))
-                # @test url_exists(u)
+                @test url_exists(u)
             end
+            # @testset "GitHub monorepo" begin
+            #     m = first(methods(Plots.RecipesBase.create_kw_body))
+            #     u = first(@inferred url(m))
+            #     @test url_exists(u)
+            # end
             @testset "GitLab" begin
                 m = @which arXiv"1234.5678"
                 u = first(@inferred url(m))
-                # @test url_exists(u) # no tags in Arxiv.jl
+                @test_broken url_exists(u) # no tags in Arxiv.jl
             end
             @testset "Sourcehut" begin
                 m = first(methods(gnll))
                 u = first(@inferred url(m))
-                # @test url_exists(u) # no tags in GPMaxlik.jl
+                @test_broken url_exists(u) # no tags in GPMaxlik.jl
             end
         end
         # @testset "Local" begin
         #     m = @which url(@which sqrt(1.0))
         #     u = first(@inferred url(m))
-        #     # @test url_exists(u)
+        #     @test_broken url_exists(u)
         # end
     end
 end